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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		74
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		76
50	our %COMMAND = ();	77	our %COMMAND = ();
51	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	81	our %EXTCMD = ();
55	our %EXTICMD = ();	82	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
58		85
59	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	87	our @EVENT;
61		88
62	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	90	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
73		104
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	107	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	113	our $DB_ENV;
84		114
85	our %CFG;	115	our %CFG;
86		116
87	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
89		120
90	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
93		124
94	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		127
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
100		136
101	binmode STDOUT;	137	binmode STDOUT;
102	binmode STDERR;	138	binmode STDERR;
103		139
104	# read virtual server time, if available	140	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
109	}	145	}
110		146
111	mkdir $_	147	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		193
158	The raw value load value from the last tick.	194	The raw value load value from the last tick.
159		195
160	=item %cf::CFG	196	=item %cf::CFG
161		197
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	199	from wherever your confdir points to.
164		200
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		202
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	204	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
		212
171	=back	213	=back
172		214
173	=cut	215	=cut
174		216
175	BEGIN {	217	BEGIN {
…		…
179	$msg .= "\n"	221	$msg .= "\n"
180	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
181		223
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		225
184	utf8::encode $msg;
185	LOG llevError, $msg;	226	LOG llevError, $msg;
186	};	227	};
187	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
188		244
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	255	for my $pkg (qw(
200	cf::global cf::attachable	256	cf::global cf::attachable
201	cf::object cf::object::player	257	cf::object cf::object::player
202	cf::client cf::player	258	cf::client cf::player
203	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
204	cf::map cf::party cf::region	261	cf::party cf::region
205	)) {	262	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	264	}
209		265
210	$Event::DIED = sub {	266	$EV::DIED = sub {
211	warn "error in event callback: @_";	267	warn "error in event callback: @_";
212	};	268	};
213		269
214	#############################################################################	270	#############################################################################
215		271
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	295	$d
240	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
241	}	297	}
242		298
243	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
244		300
245	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
246		302
247	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
248		304
249	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
250		306
251	=cut	307	=cut
252		308
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		310
255	sub to_json ($) { $json_coder->encode ($_[0]) }	311	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
257		327
258	=item cf::lock_wait $string	328	=item cf::lock_wait $string
259		329
260	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
261		331
…		…
264	Wait until the given lock is available and then acquires it and returns	334	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
267	returned.	337	returned.
268		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
269	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
271		344
272	=item $locked = cf::lock_active $string	345	=item $locked = cf::lock_active $string
273		346
274	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
275		348
276	=cut	349	=cut
277		350
278	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
279		353
280	sub lock_wait($) {	354	sub lock_wait($) {
281	my ($key) = @_;	355	my ($key) = @_;
282		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
283	# wait for lock, if any	362	# wait for lock, if any
284	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
285	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	366	Coro::schedule;
287	}	367	}
288	}	368	}
289		369
…		…
292		372
293	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
294	lock_wait $key;	374	lock_wait $key;
295		375
296	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
297		378
298	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
301	}	383	}
302	}	384	}
303		385
…		…
306		388
307	! ! $LOCK{$key}	389	! ! $LOCK{$key}
308	}	390	}
309		391
310	sub freeze_mainloop {	392	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
312		394
313	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
315	};	456	}
316	$TICK_WATCHER->stop;	457	};
317	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
318	}	471	}
319		472
320	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
321		474
322	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		480
328	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
329		482
330	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
331		484
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	488	acceptable.
336		489
337	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		496
344	sub sync_job(&) {	497	sub sync_job(&) {
345	my ($job) = @_;	498	my ($job) = @_;
346		499
347	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	501	my $time = EV::time;
349		502
350	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
352		505
353	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	507
355	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
356		509
357	my $busy = 1;	510	my $busy = 1;
358	my @res;	511	my @res;
359		512
360	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	515	@res = eval { $job->() };
362	warn $@ if $@;	516	warn $@ if $@;
363	undef $busy;	517	undef $busy;
364	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
365		519
366	while ($busy) {	520	while ($busy) {
367	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
368	}	525	}
		526	}
369		527
370	$time = Event::time - $time;	528	my $time = EV::time - $time;
371		529
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
376		531
377	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
378	} else {	533	} else {
379	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
380		535
…		…
405	=item fork_call { }, $args	560	=item fork_call { }, $args
406		561
407	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
411		566
412	=cut	567	=cut
413		568
414	sub fork_call(&@) {	569	sub fork_call(&@) {
415	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
416		571
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	572	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	573	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	574	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		575
422	if (my $pid = fork) {	576	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	577	reset_signals;
435	local $SIG{__WARN__};	578	&$cb
436	local $SIG{__DIE__};	579	}, @args;
437	eval {
438	close $fh1;
439		580
440	my @res = eval { $cb->(@args) };	581	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	582	}
442	};
443		583
444	warn $@ if $@;	584	=item $coin = coin_from_name $name
445	_exit 0;	585
446	}	586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
447	}	609	}
448		610
449	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
450		612
451	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	615	=item cf::db_put $family => $key => $value
454		616
455	Stores the given C<$value> in the family. It can currently store binary	617	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
458	=cut	625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
459		643
460	our $DB;	644	our $DB;
461		645
462	sub db_init {	646	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	647	cf::sync_job {
467	eval {	648	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	649	};
477	}	650	}
478		651
479	sub db_get($$) {	652	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	653	my $key = "$_[0]/$_[1]";
481		654
…		…
531	if (1) {	704	if (1) {
532	$md5 =	705	$md5 =
533	join "\x00",	706	join "\x00",
534	$processversion,	707	$processversion,
535	map {	708	map {
536	Coro::cede;	709	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	710	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	711	} 0.. $#$src;
539		712
540		713
541	my $dbmd5 = db_get cache => "$id/md5";	714	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		752
580	#############################################################################	753	#############################################################################
581		754
582	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
583		756
584	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
587		760
588	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	763	Deliantra).
591		764
592	=over 4	765	=over 4
593		766
594	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
595		768
…		…
639	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
640		813
641	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
643		816
644	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
646		819
647	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
648		821
649	=over 4	822	=over 4
…		…
847	";	1020	";
848	die if $@;	1021	die if $@;
849	}	1022	}
850		1023
851	our $override;	1024	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1026
854	sub override {	1027	sub override {
855	$override = 1;	1028	$override = 1;
856	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
857	}	1030	}
858		1031
859	sub do_invoke {	1032	sub do_invoke {
860	my $event = shift;	1033	my $event = shift;
861	my $callbacks = shift;	1034	my $callbacks = shift;
862		1035
863	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
864		1037
865	local $override;	1038	local $override;
866		1039
867	for (@$callbacks) {	1040	for (@$callbacks) {
868	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
877	}	1050	}
878		1051
879	0	1052	0
880	}	1053	}
881		1054
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1056
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1058
886	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
887		1060
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1064
892	=back	1065	=back
893		1066
894	=cut	1067	=cut
895		1068
896	#############################################################################	1069	#############################################################################
897	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
898		1113
899	sub reattach {	1114	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1116	my ($obj) = @_;
902		1117
		1118	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1120
905	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
906		1122
907	@$registry = ();	1123	@$registry = ();
908		1124
…		…
923	cf::attachable->attach (	1139	cf::attachable->attach (
924	prio => -1000000,	1140	prio => -1000000,
925	on_instantiate => sub {	1141	on_instantiate => sub {
926	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
927		1143
928	$data = from_json $data;	1144	$data = decode_json $data;
929		1145
930	for (@$data) {	1146	for (@$data) {
931	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
932		1148
933	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1165	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
951		1167
952	sync_job {	1168	sync_job {
953	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
956		1173
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1178	aio_close $fh;
962		1179
963	if (@$objs) {	1180	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1186	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
971	}	1188	}
972	} else {	1189	} else {
973	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
974	}	1191	}
975		1192
976	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1197	} else {
978	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
979	}	1199	}
980	} else {	1200	} else {
981	aio_unlink $filename;	1201	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
983	}	1203	}
984	}	1204	};
985	}	1205	}
986		1206
987	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
989		1209
…		…
1001	or return;	1221	or return;
1002		1222
1003	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1225	or return;
		1226
1006	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
1007	}	1229	}
1008		1230
		1231	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
		1234
1011	return ($data, $av);	1235	($data, $av)
1012	}	1236	}
1013		1237
1014	=head2 COMMAND CALLBACKS	1238	=head2 COMMAND CALLBACKS
1015		1239
1016	=over 4	1240	=over 4
…		…
1070	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
1071		1295
1072	$EXTICMD{$name} = $cb;	1296	$EXTICMD{$name} = $cb;
1073	}	1297	}
1074		1298
		1299	use File::Glob ();
		1300
1075	cf::player->attach (	1301	cf::player->attach (
1076	on_command => sub {	1302	on_command => sub {
1077	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
1078		1304
1079	my $cb = $COMMAND{$name}	1305	my $cb = $COMMAND{$name}
…		…
1089	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
1090		1316
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1318
1093	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
1099	} else {	1334	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1336	}
1102		1337
1103	cf::override;	1338	cf::override;
1104	},	1339	},
1105	);	1340	);
		1341
		1342	# "readahead" all extensions
		1343	sub cache_extensions {
		1344	my $grp = IO::AIO::aio_group;
		1345
		1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1347	for (grep /\.ext$/, @{$_[0]}) {
		1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1349	}
		1350	};
		1351
		1352	$grp
		1353	}
1106		1354
1107	sub load_extensions {	1355	sub load_extensions {
1108	cf::sync_job {	1356	cf::sync_job {
1109	my %todo;	1357	my %todo;
1110		1358
…		…
1130		1378
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1381
1134	$ext{source} =	1382	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
1137	. $source	1385	. $source
1138	. "\n};\n1";	1386	. "\n};\n1";
1139		1387
1140	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1405	: "$v->{base}: extension inactive.\n";
1158		1406
1159	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1408	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1410	}
1164		1411
1165	warn $msg;	1412	warn $msg;
1166	}	1413	}
1167		1414
…		…
1181		1428
1182	=back	1429	=back
1183		1430
1184	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1185		1432
1186	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1187		1434
1188	=cut	1435	=cut
1189		1436
1190	package cf::player;	1437	package cf::player;
1191		1438
1192	use Coro::AIO;	1439	use Coro::AIO;
1193		1440
1194	=head3 cf::player	1441	=head3 cf::player
1195		1442
1196	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
1197		1458
1198	=item cf::player::find $login	1459	=item cf::player::find $login
1199		1460
1200	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1201		1462
…		…
1220		1481
1221	sub exists($) {	1482	sub exists($) {
1222	my ($login) = @_;	1483	my ($login) = @_;
1223		1484
1224	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1226	}	1487	}
1227		1488
1228	sub find($) {	1489	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1491	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1502
1242	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1245	}	1512	}
1246	}	1513	}
1247	}	1514	}
1248		1515
…		…
1257	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1258		1525
1259	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1261		1528
		1529	cf::get_slot 0.01;
		1530
1262	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1263	Coro::cede;	1532	cf::cede_to_tick;
1264	}	1533	}
1265		1534
1266	sub new($) {	1535	sub new($) {
1267	my ($login) = @_;	1536	my ($login) = @_;
1268		1537
…		…
1274	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1275		1544
1276	$self	1545	$self
1277	}	1546	}
1278		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1279	=item $pl->quit_character	1558	=item $pl->quit_character
1280		1559
1281	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1283		1562
…		…
1287	my ($pl) = @_;	1566	my ($pl) = @_;
1288		1567
1289	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1290		1569
1291	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1572
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1298		1579
1299	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1617	or return [];
1337		1618
1338	my @logins;	1619	my @logins;
1339		1620
1340	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1344		1631
1345	utf8::decode $login;	1632	utf8::decode $login;
1346	push @logins, $login;	1633	push @logins, $login;
1347	}	1634	}
1348		1635
…		…
1375	}	1662	}
1376		1663
1377	\@paths	1664	\@paths
1378	}	1665	}
1379		1666
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1668
1382	Expand crossfire pod fragments into protocol xml.	1669	Expand deliantra pod fragments into protocol xml.
1383		1670
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	warn "hm<$_[0] $_[1]>\n";#d#
1424	$_[0]{hintmode} = $_[1] if @_ > 1;
1425	$_[0]{hintmode}
1426	}
1427
1428	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1429		1672
1430	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1431		1674
1432	=cut	1675	=cut
1433		1676
1434	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1435	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1436		1679
1437	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1439	}	1681	}
1440		1682
1441	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1442		1684
1443	Sends an ext event to the client.	1685	Sends an ext event to the client.
1444		1686
1445	=cut	1687	=cut
1446		1688
1447	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1448	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1449		1691
1450	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1451	}	1693	}
1452		1694
1453	=head3 cf::region	1695	=head3 cf::region
1454		1696
1455	=over 4	1697	=over 4
…		…
1468	my ($path) = @_;	1710	my ($path) = @_;
1469		1711
1470	my ($match, $specificity);	1712	my ($match, $specificity);
1471		1713
1472	for my $region (list) {	1714	for my $region (list) {
1473	if ($region->match && $path =~ $region->match) {	1715	if ($region->{match} && $path =~ $region->{match}) {
1474	($match, $specificity) = ($region, $region->specificity)	1716	($match, $specificity) = ($region, $region->specificity)
1475	if $region->specificity > $specificity;	1717	if $region->specificity > $specificity;
1476	}	1718	}
1477	}	1719	}
1478		1720
…		…
1499	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1500	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1501		1743
1502	sub generate_random_map {	1744	sub generate_random_map {
1503	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1504	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1505	$self->_create_random_map (	1750	$self->_create_random_map (
1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1598	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1599	return $self;	1844	return $self;
1600	}	1845	}
1601	}	1846	}
1602		1847
1603	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1604	()	1849	()
1605	}	1850	}
1606		1851
1607	sub init {	1852	sub init {
1608	my ($self) = @_;	1853	my ($self) = @_;
…		…
1630		1875
1631	# the temporary/swap location	1876	# the temporary/swap location
1632	sub save_path {	1877	sub save_path {
1633	my ($self) = @_;	1878	my ($self) = @_;
1634		1879
1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1636	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1637	}	1882	}
1638		1883
1639	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1640	sub uniq_path {	1885	sub uniq_path {
1641	my ($self) = @_;	1886	my ($self) = @_;
1642		1887
1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1644	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1645	}	1890	}
1646		1891
1647	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1648	# all maps in C++...	1893	# all maps in C++...
…		…
1671		1916
1672	sub load_header_from($) {	1917	sub load_header_from($) {
1673	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1674		1919
1675	utf8::encode $path;	1920	utf8::encode $path;
1676	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1677	# or return;
1678
1679	$self->_load_header ($path)
1680	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1681		1929
1682	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1683		1931
1684	1	1932	1
1685	}	1933	}
…		…
1739	sub find {	1987	sub find {
1740	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1741		1989
1742	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1743		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1744	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1745		1994
1746	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1747	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1748	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1749	or return;	2000	or return;
1750		2001
1751	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1752		2003
…		…
1754	or return;	2005	or return;
1755		2006
1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1757	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1758	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1759	$map->reset;	2012	$map->reset;
1760	undef $guard;
1761	return find $path;	2013	return find $path;
1762	}	2014	}
1763		2015
1764	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1765	}	2017	}
…		…
1774	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1775		2027
1776	my $path = $self->{path};	2028	my $path = $self->{path};
1777		2029
1778	{	2030	{
1779	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1780		2032
		2033	return unless $self->valid;
1781	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1782		2035
1783	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1784		2037
1785	$self->alloc;	2038	$self->alloc;
1786		2039
1787	$self->pre_load;	2040	$self->pre_load;
1788	Coro::cede;	2041	cf::cede_to_tick;
1789		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1790	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1791	or return;	2046	or return;
1792		2047
1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1794	if delete $self->{load_original};	2049	if delete $self->{load_original};
1795		2050
1796	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1797	utf8::encode $uniq;	2052	utf8::encode $uniq;
1798	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1799	$self->clear_unique_items;	2055	$self->clear_unique_items;
1800	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1801	}	2059	}
1802	}	2060	}
1803		2061
1804	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1805	# now do the right thing for maps	2065	# now do the right thing for maps
1806	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1807	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1808	unless $self->difficulty;	2068	unless $self->difficulty;
1809	Coro::cede;	2069	cf::cede_to_tick;
1810		2070
1811	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1812	$self->decay_objects;	2072	$self->decay_objects;
1813	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1814	$self->update_buttons;	2074	$self->update_buttons;
1815	Coro::cede;	2075	cf::cede_to_tick;
1816	$self->set_darkness_map;	2076	$self->set_darkness_map;
1817	Coro::cede;	2077	cf::cede_to_tick;
1818	$self->activate;	2078	$self->activate;
1819	}	2079	}
1820		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1821	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1822	}	2085	}
1823		2086
1824	$self->post_load;	2087	$self->post_load;
1825	}	2088	}
1826		2089
…		…
1835		2098
1836	$self	2099	$self
1837	}	2100	}
1838		2101
1839	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1840	sub load_diag {	2103	sub load_neighbours {
1841	my ($map) = @_;	2104	my ($map) = @_;
1842		2105
1843	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1844		2107
1845	for (0 .. 3) {	2108	for (0 .. 3) {
1846	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1847	or next;	2110	or next;
1848	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1849	or next;	2112	or next;
1850	$neigh->load;	2113	$neigh->load;
1851		2114
		2115	push @neigh,
1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1854	}	2118	}
1855		2119
1856	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1857	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1858	or next;	2123	or next;
1859	$neigh->load;	2124	$neigh->load;
1860	}	2125	}
1861	}	2126	}
1862		2127
…		…
1867	}	2132	}
1868		2133
1869	sub do_load_sync {	2134	sub do_load_sync {
1870	my ($map) = @_;	2135	my ($map) = @_;
1871		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1872	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1873	}	2141	}
1874		2142
1875	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1876	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1877		2145
1878	sub find_async {	2146	sub find_async {
1879	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1880		2148
1881	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1882		2150
1883	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1885	}	2153	}
1886		2154
1887	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1888	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1889	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1890	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1891	my $map = find $path	2162	if (my $map = find $k) {
1892	or next;
1893	$map->load;	2163	$map->load if $v;
		2164	}
1894		2165
1895	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1896	}	2167	}
1897	}	2168	}
1898	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1899	};	2170	};
1900	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1903	}	2174	}
1904		2175
1905	sub save {	2176	sub save {
1906	my ($self) = @_;	2177	my ($self) = @_;
1907		2178
1908	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1909		2180
1910	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1911		2182
1912	return unless $self->dirty;	2183	return unless $self->dirty;
1913		2184
…		…
1919	return if $self->{deny_save};	2190	return if $self->{deny_save};
1920		2191
1921	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1922		2193
1923	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1924	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1925	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1926		2200
1927	if ($uniq) {	2201	if ($uniq) {
1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1930	} else {	2204	} else {
…		…
1936	my ($self) = @_;	2210	my ($self) = @_;
1937		2211
1938	# save first because save cedes	2212	# save first because save cedes
1939	$self->save;	2213	$self->save;
1940		2214
1941	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1942		2216
1943	return if $self->players;	2217	return if $self->players;
1944	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1945	return if $self->{deny_save};	2219	return if $self->{deny_save};
1946		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1947	$self->clear;	2225	$self->clear;
1948	$self->in_memory (cf::MAP_SWAPPED);
1949	}	2226	}
1950		2227
1951	sub reset_at {	2228	sub reset_at {
1952	my ($self) = @_;	2229	my ($self) = @_;
1953		2230
…		…
1985	if $uniq;	2262	if $uniq;
1986	}	2263	}
1987		2264
1988	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1989		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1990	$self->clear;	2269	$self->clear;
1991
1992	$_->clear_links_to ($self) for values %cf::MAP;
1993		2270
1994	$self->unlink_save;	2271	$self->unlink_save;
1995	$self->destroy;	2272	$self->destroy;
1996	}	2273	}
1997		2274
1998	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1999		2276
2000	sub nuke {	2277	sub nuke {
2001	my ($self) = @_;	2278	my ($self) = @_;
2002		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
2003	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
2004		2284
2005	$self->unlink_save;	2285	$self->unlink_save;
2006		2286
2007	bless $self, "cf::map";	2287	bless $self, "cf::map";
2008	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
2009	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
2010	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2012		2292
2013	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
2014		2295
2015	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
2016	}	2297	}
2017		2298
2018	=item $maps = cf::map::tmp_maps	2299	=item $maps = cf::map::tmp_maps
…		…
2060		2341
2061	sub unique_maps() {	2342	sub unique_maps() {
2062	[	2343	[
2063	map {	2344	map {
2064	utf8::decode $_;	2345	utf8::decode $_;
2065	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
2066	? normalise $_	2349	: normalise $_
2067	: ()
2068	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
2069	]	2351	]
2070	}	2352	}
2071		2353
2072	package cf;
2073
2074	=back	2354	=back
2075		2355
2076	=head3 cf::object	2356	=head3 cf::object
2077		2357
2078	=cut	2358	=cut
…		…
2081		2361
2082	=over 4	2362	=over 4
2083		2363
2084	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
2085		2365
2086	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
2087		2368
2088	=cut	2369	=cut
2089		2370
2090	sub inv_recursive_;	2371	sub inv_recursive_;
2091	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
2094		2375
2095	sub inv_recursive {	2376	sub inv_recursive {
2096	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
2097	}	2378	}
2098		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
2099	package cf;	2408	package cf;
2100		2409
2101	=back	2410	=back
2102		2411
2103	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
2109	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2110	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
2111	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
2112		2421
2113	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
2114		2437
2115	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
2116	# with dialog boxes.	2439	# with dialog boxes.
2117	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
2118	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
2125		2448
2126	} else {	2449	} else {
2127	my $pl = $self->contr;	2450	my $pl = $self->contr;
2128		2451
2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2130	my $diag = $pl->{npc_dialog};	2453	my $dialog = $pl->{npc_dialog};
2131	$diag->{pl}->ext_reply (	2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2132	$diag->{id},
2133	msgtype => "reply",
2134	msg => $diag->{pl}->expand_cfpod ($msg),
2135	add_topics => []
2136	);
2137		2455
2138	} else {	2456	} else {
2139	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
2140	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2141	}	2459	}
2142	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
2143	}	2471	}
2144		2472
2145	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
2146		2474
2147	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
2160		2488
2161	=item $player_object->enter_link	2489	=item $player_object->enter_link
2162		2490
2163	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
2164		2492
2165	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
2166	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
2167		2497
2168	Will never block.	2498	Will never block.
2169		2499
2170	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
2171		2501
…		…
2226	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
2227	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
2228	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
2229		2559
2230	$map->load;	2560	$map->load;
2231	$map->load_diag;	2561	$map->load_neighbours;
2232		2562
2233	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2234	$self->activate_recursive;	2565	$self->activate_recursive;
2235		2566
2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2237	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2238	}	2569	}
2239		2570
2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2241		2572
2242	Moves the player to the given map-path and coordinates by first freezing	2573	Moves the player to the given map-path and coordinates by first freezing
2243	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2244	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
2245	the new (success) or old (failed) map position.	2576	the new (success) or old (failed) map position. In either case, $done will
		2577	be called at the end of this process.
		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
2246		2581
2247	=cut	2582	=cut
2248		2583
2249	our $GOTOGEN;	2584	our $GOTOGEN;
2250		2585
2251	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
2252	my ($self, $path, $x, $y, $check) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
2253		2588
2254	# do generation counting so two concurrent goto's will be executed in-order	2589	# do generation counting so two concurrent goto's will be executed in-order
2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2256		2591
2257	$self->enter_link;	2592	$self->enter_link;
2258		2593
2259	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
2260	my $map = eval {	2616	my $map = eval {
2261	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
2262		2618
2263	if ($map) {	2619	if ($map) {
2264	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
2265	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
2266	} else {	2622	} else {
2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2268	}	2624	}
2269		2625
2270	$map	2626	$map
2271	};	2627	};
2272		2628
…		…
2277		2633
2278	if ($gen == $self->{_goto_generation}) {	2634	if ($gen == $self->{_goto_generation}) {
2279	delete $self->{_goto_generation};	2635	delete $self->{_goto_generation};
2280	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
2281	}	2637	}
		2638
		2639	$done->() if $done;
2282	})->prio (1);	2640	})->prio (1);
2283	}	2641	}
2284		2642
2285	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
2286		2644
…		…
2306	}	2664	}
2307		2665
2308	sub prepare_random_map {	2666	sub prepare_random_map {
2309	my ($exit) = @_;	2667	my ($exit) = @_;
2310		2668
2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
2312
2313	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2314	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2315	# that depends on the exit object	2671	# that depends on the exit object
2316		2672
2317	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2319	if ($exit->map) {	2675	if ($exit->map) {
2320	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2321	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2322	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2323	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2324	}	2682	}
2325		2683
2326	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2327		2685
2328	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2329	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2330	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2331		2689
2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2333	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2334	undef $fh;	2692	undef $fh;
2335	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2336		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2337	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2338	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2339	}	2701	}
2340	}	2702	}
2341		2703
2342	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2343	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2344		2706
2345	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2346		2708
2347	if ($exit->slaying eq "/!") {
2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
2349	# the problem is that $exit might not survive long enough
2350	# so it needs to be done right now, right here
2351	cf::sync_job { prepare_random_map $exit };
2352	}
2353
2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2355	my $hp = $exit->stats->hp;
2356	my $sp = $exit->stats->sp;
2357
2358	$self->enter_link;	2709	$self->enter_link;
2359		2710
2360	(async {	2711	(async {
2361	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2362	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2363	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2364		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2365	1;	2735	1
2366	}) {	2736	}) {
2367	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2368	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2369	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2370	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2371		2741
2372	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2391		2761
2392	utf8::encode $text;	2762	utf8::encode $text;
2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2394	}	2764	}
2395		2765
2396	=item $client->send_msg ($color, $type, $msg, [extra...])	2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
2397		2767
2398	Send a drawinfo or msg packet to the client, formatting the msg for the	2768	Send a drawinfo or msg packet to the client, formatting the msg for the
2399	client if neccessary. C<$type> should be a string identifying the type of	2769	client if neccessary. C<$type> should be a string identifying the type of
2400	the message, with C<log> being the default. If C<$color> is negative, suppress	2770	the message, with C<log> being the default. If C<$color> is negative, suppress
2401	the message unless the client supports the msg packet.	2771	the message unless the client supports the msg packet.
2402		2772
2403	=cut	2773	=cut
2404		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
2405	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2406	my ($self, $color, $type, $msg, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2407		2841
2408	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
2409		2868
2410	if ($self->can_msg) {	2869	if ($self->can_msg) {
2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
2412	} else {	2890	} else {
2413	# replace some tags by gcfclient-compatible ones
2414	for ($msg) {
2415	1 while
2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2421	}
2422
2423	if ($color >= 0) {	2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
2424	if (0 && $msg =~ /\[/) {	2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
2425	$self->send_packet ("drawextinfo $color 4 0 $msg")	2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
2426	} else {	2909	} else {
2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2428	$self->send_packet ("drawinfo $color $msg")	2911	$self->send_packet ("drawinfo $color $msg")
2429	}	2912	}
2430	}	2913	}
2431	}	2914	}
2432	}	2915	}
2433		2916
2434	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2435		2918
2436	Sends an ext event to the client.	2919	Sends an ext event to the client.
2437		2920
2438	=cut	2921	=cut
2439		2922
2440	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2441	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2442		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2443	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
2445	}	2950	}
2446		2951
2447	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2448		2953
2449	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
…		…
2504	my ($ns, $buf) = @_;	3009	my ($ns, $buf) = @_;
2505		3010
2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2507		3012
2508	if (ref $msg) {	3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3021	if (my $cb = $EXTICMD{$type}) {
2510	if (my %reply = $cb->($ns, $msg)) {	3022	@reply = $cb->($ns, @payload);
2511	$reply{msgid} = $msg->{msgid};
2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2513	}
2514	}	3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
2515	} else {	3028	} else {
2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2517	}	3030	}
2518		3031
2519	cf::override;	3032	cf::override;
…		…
2566	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2567	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2568		3081
2569	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2570		3083
2571	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2572		3089
2573	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2574		3091
2575	=pod	3092	=pod
2576		3093
2577	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2578		3095
2579	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2580	cf::object::player player	3100	cf::object::player
2581	cf::player peaceful	3101	player
2582	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2583		3108
2584	=cut	3109	=cut
2585		3110
2586	for (	3111	for (
2587	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2588	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2589	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2590	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2591	) {	3118	) {
2592	no strict 'refs';	3119	no strict 'refs';
…		…
2668	# the server's init and main functions	3195	# the server's init and main functions
2669		3196
2670	sub load_facedata($) {	3197	sub load_facedata($) {
2671	my ($path) = @_;	3198	my ($path) = @_;
2672		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3205
2673	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2674		3207
2675	my $facedata;	3208	my $facedata;
2676	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
2677	or die "$path: $!";	3210	or die "$path: $!";
…		…
2679	$facedata = Coro::Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2680		3213
2681	$facedata->{version} == 2	3214	$facedata->{version} == 2
2682	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2683		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
2684	{	3224	{
2685	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2686		3226
2687	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2692	Coro::cede;	3234
		3235	cf::cede_to_tick;
2693	}	3236	}
2694		3237
2695	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2696	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2697	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2698	or next;	3242	or next;
		3243
2699	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2701	} else {	3247	} else {
2702	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
2703	}	3249	}
2704	Coro::cede;	3250
		3251	cf::cede_to_tick;
2705	}	3252	}
2706	}	3253	}
2707		3254
2708	{	3255	{
2709	my $anims = $facedata->{animinfo};	3256	my $anims = $facedata->{animinfo};
2710		3257
2711	while (my ($anim, $info) = each %$anims) {	3258	while (my ($anim, $info) = each %$anims) {
2712	cf::anim::set $anim, $info->{frames}, $info->{facings};	3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
2713	Coro::cede;	3260	cf::cede_to_tick;
2714	}	3261	}
2715		3262
2716	cf::anim::invalidate_all; # d'oh	3263	cf::anim::invalidate_all; # d'oh
2717	}	3264	}
2718		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
2719	1	3301	1
2720	}	3302	}
2721		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
2722	sub reload_regions {	3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
2723	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2724	or die "unable to load regions file\n";	3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
2725	}	3354	}
2726		3355
2727	sub reload_facedata {	3356	sub reload_facedata {
2728	load_facedata "$DATADIR/facedata"	3357	load_facedata "$DATADIR/facedata"
2729	or die "unable to load facedata\n";	3358	or die "unable to load facedata\n";
2730	}	3359	}
2731		3360
2732	sub reload_archetypes {	3361	sub reload_archetypes {
2733	load_resource_file "$DATADIR/archetypes"	3362	load_resource_file "$DATADIR/archetypes"
2734	or die "unable to load archetypes\n";	3363	or die "unable to load archetypes\n";
2735	#d# NEED to laod twice to resolve forward references
2736	# this really needs to be done in an extra post-pass
2737	# (which needs to be synchronous, so solve it differently)
2738	load_resource_file "$DATADIR/archetypes"
2739	or die "unable to load archetypes\n";
2740	}	3364	}
2741		3365
2742	sub reload_treasures {	3366	sub reload_treasures {
2743	load_resource_file "$DATADIR/treasures"	3367	load_resource_file "$DATADIR/treasures"
2744	or die "unable to load treasurelists\n";	3368	or die "unable to load treasurelists\n";
2745	}	3369	}
2746		3370
2747	sub reload_resources {	3371	sub reload_resources {
2748	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2749		3373
		3374	reload_facedata;
		3375	reload_archetypes;
2750	reload_regions;	3376	reload_regions;
2751	reload_facedata;
2752	#reload_archetypes;#d#
2753	reload_archetypes;
2754	reload_treasures;	3377	reload_treasures;
2755		3378
2756	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2757	}	3380	}
2758		3381
2759	sub init {	3382	sub reload_config {
2760	reload_resources;
2761	}
2762
2763	sub cfg_load {
2764	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2765	or return;	3384	or return;
2766		3385
2767	local $/;	3386	local $/;
2768	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2769		3388
2770	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2771		3390
2772	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2773	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2779	};	3398	};
2780	warn $@ if $@;	3399	warn $@ if $@;
2781	}	3400	}
2782	}	3401	}
2783		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2784	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2785	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2786	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2787	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2788	(async {	3441	(async {
2789	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2790	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2791	};	3445	};
2792		3446
2793	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2794	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2795	load_extensions;	3465	load_extensions;
2796		3466
2797	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2798	Event::loop;	3475	EV::loop;
2799	}	3476	}
2800		3477
2801	#############################################################################	3478	#############################################################################
2802	# initialisation and cleanup	3479	# initialisation and cleanup
2803		3480
2804	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2805	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2806	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2807	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2808	reentrant => 0,
2809	data => WF_AUTOCANCEL,
2810	signal => $signal,
2811	prio => 0,
2812	cb => sub {
2813	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2814	},
2815	);	3487	};
2816	}	3488	}
2817	}	3489	}
2818		3490
2819	sub write_runtime {	3491	sub write_runtime_sync {
2820	my $runtime = "$LOCALDIR/runtime";
2821
2822	# first touch the runtime file to show we are still running:	3492	# first touch the runtime file to show we are still running:
2823	# the fsync below can take a very very long time.	3493	# the fsync below can take a very very long time.
2824		3494
2825	IO::AIO::aio_utime $runtime, undef, undef;	3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2826		3496
2827	my $guard = cf::lock_acquire "write_runtime";	3497	my $guard = cf::lock_acquire "write_runtime";
2828		3498
2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2830	or return;	3500	or return;
2831		3501
2832	my $value = $cf::RUNTIME + 90 + 10;	3502	my $value = $cf::RUNTIME + 90 + 10;
2833	# 10 is the runtime save interval, for a monotonic clock	3503	# 10 is the runtime save interval, for a monotonic clock
2834	# 60 allows for the watchdog to kill the server.	3504	# 60 allows for the watchdog to kill the server.
…		…
2844	aio_utime $fh, undef, undef;	3514	aio_utime $fh, undef, undef;
2845		3515
2846	close $fh	3516	close $fh
2847	or return;	3517	or return;
2848		3518
2849	aio_rename "$runtime~", $runtime	3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2850	and return;	3520	and return;
2851		3521
2852	warn "runtime file written.\n";	3522	warn "runtime file written.\n";
2853		3523
2854	1	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2855	}	3575	}
2856		3576
2857	sub emergency_save() {	3577	sub emergency_save() {
2858	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2859		3579
2860	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2861		3581
2862	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2863	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2864	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2865	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2866	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2867	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2868	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2869	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2870	$pl->save;	3596	$pl->save;
2871	}	3597	}
2872	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2873		3599
2874	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2875	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2876	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2877	$map->valid or next;	3603	$map->valid or next;
2878	$map->save;	3604	$map->save;
2879	}	3605	}
2880	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2881		3607
2882	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2883	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2884	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2885	};	3615	};
2886		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2887	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2888	}	3623	}
2889		3624
2890	sub post_cleanup {	3625	sub post_cleanup {
2891	my ($make_core) = @_;	3626	my ($make_core) = @_;
2892		3627
2893	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2894	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
2895	}	3659	}
2896		3660
2897	sub do_reload_perl() {	3661	sub do_reload_perl() {
2898	# can/must only be called in main	3662	# can/must only be called in main
2899	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2900	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2901	return;	3665	return;
2902	}	3666	}
2903		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2904	warn "reloading...";	3673	warn "reloading...";
2905		3674
2906	warn "entering sync_job";	3675	warn "entering sync_job";
2907		3676
2908	cf::sync_job {	3677	cf::sync_job {
2909	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
2910	cf::emergency_save;	3679	cf::emergency_save;
2911	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
2912		3681
2913	warn "syncing database to disk";	3682	warn "syncing database to disk";
2914	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2915		3684
2916	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2917		3686
2918	warn "cancelling all WF_AUTOCANCEL watchers";
2919	for (Event::all_watchers) {
2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2921	}
2922
2923	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2924	for (;;) {
2925	BDB::flush;
2926	IO::AIO::flush;
2927	Coro::cede;
2928	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2929	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2930	}
2931
2932	++$RELOAD;
2933
2934	warn "cancelling all extension coros";
2935	$_->cancel for values %EXT_CORO;
2936	%EXT_CORO = ();
2937
2938	warn "removing commands";
2939	%COMMAND = ();
2940
2941	warn "removing ext/exti commands";
2942	%EXTCMD = ();
2943	%EXTICMD = ();
2944
2945	warn "unloading/nuking all extensions";
2946	for my $pkg (@EXTS) {
2947	warn "... unloading $pkg";
2948
2949	if (my $cb = $pkg->can ("unload")) {
2950	eval {
2951	$cb->($pkg);
2952	1
2953	} or warn "$pkg unloaded, but with errors: $@";
2954	}	3690	}
2955		3691
2956	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2957	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2958	}	3694	%EXT_CORO = ();
2959		3695
2960	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2961	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2963		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2964	warn "... unloading $k";	3705	warn "... unloading $pkg";
2965	delete $INC{$k};
2966		3706
2967	$k =~ s/\.pm$//;
2968	$k =~ s/\//::/g;
2969
2970	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2971	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2972	}	3716	}
2973		3717
2974	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2975	}	3733	}
2976		3734
2977	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2978	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2980		3738
2981	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2982	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
2983	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
2984		3742
2985	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2986	# and global variables created in xs	3744	# and global variables created in xs
2987	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2988		3746
2989	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2990		3748
2991	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2992	require cf;	3750	require cf;
2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2994		3752
2995	warn "loading config and database again";	3753	warn "loading config and database again";
2996	cf::cfg_load;	3754	cf::reload_config;
2997		3755
2998	warn "loading extensions";	3756	warn "loading extensions";
2999	cf::load_extensions;	3757	cf::load_extensions;
3000		3758
		3759	if ($REATTACH_ON_RELOAD) {
3001	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
3002	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
3003	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
3004	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
3005	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
3006	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
3007		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
3008	warn "leaving sync_job";	3771	warn "leaving sync_job";
3009		3772
3010	1	3773	1
3011	} or do {	3774	} or do {
3012	warn $@;	3775	warn $@;
3013	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
3014	exit 1;
3015	};	3777	};
3016		3778
3017	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
3018	};	3785	};
3019		3786
3020	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
3021		3788
3022	sub reload_perl() {	3789	sub reload_perl() {
3023	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
3024	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
3025		3792
3026	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
3027	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
3028	after => 0,	3795
3029	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3030	cb => sub {
3031	do_reload_perl;	3797	do_reload_perl;
3032	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
3033	},	3799	};
3034	);	3800	};
3035	}	3801	}
3036		3802
3037	register_command "reload" => sub {	3803	register_command "reload" => sub {
3038	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
3039		3805
3040	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
3041	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
3042	async { reload_perl };	3810	reload_perl;
		3811	};
3043	}	3812	}
3044	};	3813	};
3045		3814
3046	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
3047		3816
…		…
3049		3818
3050	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
3051	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
3052		3821
3053	sub wait_for_tick {	3822	sub wait_for_tick {
3054	return unless $TICK_WATCHER->is_active;
3055	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
3056		3824
3057	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
3058	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
3059	$signal->wait;	3827	$signal->wait;
3060	}	3828	}
3061		3829
3062	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
3063	return unless $TICK_WATCHER->is_active;
3064	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
3065		3832
3066	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
3067	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
3068	$signal->wait;	3835	$signal->wait;
3069	}	3836	}
3070		3837
3071	my $min = 1e6;#d#	3838	sub tick {
3072	my $avg = 10;
3073	$TICK_WATCHER = Event->timer (
3074	reentrant => 0,
3075	parked => 1,
3076	prio => 0,
3077	at => $NEXT_TICK || $TICK,
3078	data => WF_AUTOCANCEL,
3079	cb => sub {
3080	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3082	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
3083	return;	3842	return;
3084	}	3843	}
3085		3844
3086	$NOW = $tick_start = Event::time;
3087
3088	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
3089		3846
3090	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3091	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3092	my $t = Event::time;	3849	Coro::async_pool {
3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
3094	or die;	3851	write_runtime_sync
3095		3852	or warn "ERROR: unable to write runtime file: $!";
3096	$map->width (50);
3097	$map->height (50);
3098	$map->alloc;
3099	$map->_load_objects ("/tmp/x.map", 1);
3100	my $t = Event::time - $t;
3101
3102	#next unless $t < 0.0013;#d#
3103	if ($t < $min) {
3104	$min = $t;
3105	}
3106	$avg = $avg * 0.99 + $t * 0.01;
3107	}
3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3109	exit 0;
3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3111	};	3853	};
		3854	}
3112		3855
3113	$RUNTIME += $TICK;
3114	$NEXT_TICK += $TICK;
3115
3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
3118	Coro::async_pool {
3119	write_runtime
3120	or warn "ERROR: unable to write runtime file: $!";
3121	};
3122	}
3123
3124	# my $AFTER = Event::time;
3125	# warn $AFTER - $NOW;#d#
3126
3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3128	$sig->send;	3857	$sig->send;
3129	}	3858	}
3130	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
3131	$sig->send;	3860	$sig->send;
3132	}	3861	}
3133		3862
3134	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
3135
3136	# if we are delayed by four ticks or more, skip them all
3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3138
3139	$TICK_WATCHER->at ($NEXT_TICK);
3140	$TICK_WATCHER->start;
3141
3142	$LOAD = ($NOW - $tick_start) / $TICK;
3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3144		3865
3145	_post_tick;	3866	if (0) {
3146		3867	if ($NEXT_TICK) {
3147		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
3148	},	3872	}
3149	);	3873	}
3150		3874
3151	{	3875	{
3152	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
3153	$BDB_POLL_WATCHER = Event->io (	3877
3154	reentrant => 0,
3155	fd => BDB::poll_fileno,
3156	poll => 'r',
3157	prio => 0,
3158	data => WF_AUTOCANCEL,
3159	cb => \&BDB::poll_cb,
3160	);
3161	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3162		3879	BDB::max_poll_reqs $TICK * 0.1;
3163	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
3164	my $status;
3165	my $current = $Coro::current;
3166	(
3167	sub {
3168	$status = $!;
3169	$current->ready; undef $current;
3170	},
3171	sub {
3172	Coro::schedule while defined $current;
3173	$! = $status;
3174	},
3175	)
3176	};
3177		3881
3178	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3179	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3180		3889
3181	cf::sync_job {	3890	cf::sync_job {
3182	eval {	3891	eval {
3183	BDB::db_env_open	3892	BDB::db_env_open
3184	$DB_ENV,	3893	$DB_ENV,
…		…
3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3188	0666;	3897	0666;
3189		3898
3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3191
3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3193	$DB_ENV->set_lk_detect;
3194	};	3900	};
3195		3901
3196	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3197	};	3903	};
3198	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
3199	}	3915	}
3200		3916
3201	{	3917	{
		3918	# configure IO::AIO
		3919
3202	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3203
3204	undef $Coro::AIO::WATCHER;
3205	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3206	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	fd => IO::AIO::poll_fileno,
3210	poll => 'r',
3211	prio => 6,
3212	cb => \&IO::AIO::poll_cb,
3213	);
3214	}	3923	}
3215		3924
3216	my $_log_backtrace;	3925	my $_log_backtrace;
3217		3926
3218	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3221	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3222		3931
3223	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3224	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3225	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3226	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
3227	my @bt = fork_call {	3939	my @bt = fork_call {
3228	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3231	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3239	}	3951	}
3240		3952
3241	@funcs	3953	@funcs
3242	};	3954	};
3243		3955
3244	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3245	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3246	--$_log_backtrace;	3959	--$_log_backtrace;
3247	};	3960	};
3248	} else {	3961	} else {
3249	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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