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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 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 $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	577	reset_signals;
436	local $SIG{__WARN__};	578	&$cb
437	local $SIG{__DIE__};	579	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		580
443	my @res = eval { $cb->(@args) };	581	wantarray ? @res : $res[-1]
		582	}
444		583
445	open my $fh, ">", \my $buf	584	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		585
450	warn "writing ", length $buf;	586	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		587
457	warn $@ if $@;	588	our %coin_alias = (
458	_exit 0;	589	"silver" => "silvercoin",
459	}	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
460	}	609	}
461		610
462	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
463		612
464	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	615	=item cf::db_put $family => $key => $value
467		616
468	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
469	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).
470		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
471	=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	}
472		643
473	our $DB;	644	our $DB;
474		645
475	sub db_init {	646	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	647	cf::sync_job {
480	eval {	648	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	649	};
490	}	650	}
491		651
492	sub db_get($$) {	652	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	653	my $key = "$_[0]/$_[1]";
494		654
…		…
544	if (1) {	704	if (1) {
545	$md5 =	705	$md5 =
546	join "\x00",	706	join "\x00",
547	$processversion,	707	$processversion,
548	map {	708	map {
549	Coro::cede;	709	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	710	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	711	} 0.. $#$src;
552		712
553		713
554	my $dbmd5 = db_get cache => "$id/md5";	714	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		752
593	#############################################################################	753	#############################################################################
594		754
595	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
596		756
597	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
598	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")
599	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
600		760
601	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>
602	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
603	Crossfire TRT).	763	Deliantra).
604		764
605	=over 4	765	=over 4
606		766
607	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
608		768
…		…
652	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
653		813
654	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
655	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
656		816
657	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
658	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.
659		819
660	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
661		821
662	=over 4	822	=over 4
…		…
860	";	1020	";
861	die if $@;	1021	die if $@;
862	}	1022	}
863		1023
864	our $override;	1024	our $override;
865	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?
866		1026
867	sub override {	1027	sub override {
868	$override = 1;	1028	$override = 1;
869	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
870	}	1030	}
871		1031
872	sub do_invoke {	1032	sub do_invoke {
873	my $event = shift;	1033	my $event = shift;
874	my $callbacks = shift;	1034	my $callbacks = shift;
875		1035
876	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
877		1037
878	local $override;	1038	local $override;
879		1039
880	for (@$callbacks) {	1040	for (@$callbacks) {
881	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
890	}	1050	}
891		1051
892	0	1052	0
893	}	1053	}
894		1054
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1056
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1058
899	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
900		1060
901	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
902	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
903	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1064
905	=back	1065	=back
906		1066
907	=cut	1067	=cut
908		1068
909	#############################################################################	1069	#############################################################################
910	# 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	}
911		1113
912	sub reattach {	1114	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1116	my ($obj) = @_;
915		1117
		1118	# no longer needed after getting rid of delete_package?
916	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
917		1120
918	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
919		1122
920	@$registry = ();	1123	@$registry = ();
921		1124
…		…
936	cf::attachable->attach (	1139	cf::attachable->attach (
937	prio => -1000000,	1140	prio => -1000000,
938	on_instantiate => sub {	1141	on_instantiate => sub {
939	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
940		1143
941	$data = from_json $data;	1144	$data = decode_json $data;
942		1145
943	for (@$data) {	1146	for (@$data) {
944	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
945		1148
946	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1165	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
964		1167
965	sync_job {	1168	sync_job {
966	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
969		1173
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
974	close $fh;	1178	aio_close $fh;
975		1179
976	if (@$objs) {	1180	if (@$objs) {
977	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) {
978	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
982	close $fh;	1186	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
984	}	1188	}
985	} else {	1189	} else {
986	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
987	}	1191	}
988		1192
989	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1197	} else {
991	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
992	}	1199	}
993	} else {	1200	} else {
994	aio_unlink $filename;	1201	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
996	}	1203	}
997	}	1204	};
998	}	1205	}
999		1206
1000	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
1002		1209
…		…
1014	or return;	1221	or return;
1015		1222
1016	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1225	or return;
		1226
1019	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
1020	}	1229	}
1021		1230
		1231	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
		1234
1024	return ($data, $av);	1235	($data, $av)
1025	}	1236	}
1026		1237
1027	=head2 COMMAND CALLBACKS	1238	=head2 COMMAND CALLBACKS
1028		1239
1029	=over 4	1240	=over 4
…		…
1083	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
1084		1295
1085	$EXTICMD{$name} = $cb;	1296	$EXTICMD{$name} = $cb;
1086	}	1297	}
1087		1298
		1299	use File::Glob ();
		1300
1088	cf::player->attach (	1301	cf::player->attach (
1089	on_command => sub {	1302	on_command => sub {
1090	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
1091		1304
1092	my $cb = $COMMAND{$name}	1305	my $cb = $COMMAND{$name}
…		…
1102	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
1103		1316
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1318
1106	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
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
1112	} else {	1334	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1336	}
1115		1337
1116	cf::override;	1338	cf::override;
1117	},	1339	},
1118	);	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	}
1119		1354
1120	sub load_extensions {	1355	sub load_extensions {
1121	cf::sync_job {	1356	cf::sync_job {
1122	my %todo;	1357	my %todo;
1123		1358
…		…
1143		1378
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1381
1147	$ext{source} =	1382	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
1150	. $source	1385	. $source
1151	. "\n};\n1";	1386	. "\n};\n1";
1152		1387
1153	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
1169	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
1170	: "$v->{base}: extension inactive.\n";	1405	: "$v->{base}: extension inactive.\n";
1171		1406
1172	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1173	warn $msg;	1408	warn $msg;
1174	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1175	exit 1;
1176	}	1410	}
1177		1411
1178	warn $msg;	1412	warn $msg;
1179	}	1413	}
1180		1414
…		…
1194		1428
1195	=back	1429	=back
1196		1430
1197	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1198		1432
1199	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1200		1434
1201	=cut	1435	=cut
1202		1436
1203	package cf::player;	1437	package cf::player;
1204		1438
1205	use Coro::AIO;	1439	use Coro::AIO;
1206		1440
1207	=head3 cf::player	1441	=head3 cf::player
1208		1442
1209	=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	}
1210		1458
1211	=item cf::player::find $login	1459	=item cf::player::find $login
1212		1460
1213	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1214		1462
…		…
1233		1481
1234	sub exists($) {	1482	sub exists($) {
1235	my ($login) = @_;	1483	my ($login) = @_;
1236		1484
1237	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1239	}	1487	}
1240		1488
1241	sub find($) {	1489	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1491	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1502
1255	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1256	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;
1257	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1258	}	1512	}
1259	}	1513	}
1260	}	1514	}
1261		1515
…		…
1270	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1271		1525
1272	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1274		1528
		1529	cf::get_slot 0.01;
		1530
1275	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1276	Coro::cede;	1532	cf::cede_to_tick;
1277	}	1533	}
1278		1534
1279	sub new($) {	1535	sub new($) {
1280	my ($login) = @_;	1536	my ($login) = @_;
1281		1537
…		…
1287	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1288		1544
1289	$self	1545	$self
1290	}	1546	}
1291		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
1292	=item $pl->quit_character	1558	=item $pl->quit_character
1293		1559
1294	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
1295	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1296		1562
…		…
1300	my ($pl) = @_;	1566	my ($pl) = @_;
1301		1567
1302	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1303		1569
1304	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1305	$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
1306		1572
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1311		1579
1312	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1617	or return [];
1350		1618
1351	my @logins;	1619	my @logins;
1352		1620
1353	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") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1357		1631
1358	utf8::decode $login;	1632	utf8::decode $login;
1359	push @logins, $login;	1633	push @logins, $login;
1360	}	1634	}
1361		1635
…		…
1388	}	1662	}
1389		1663
1390	\@paths	1664	\@paths
1391	}	1665	}
1392		1666
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1668
1395	Expand crossfire pod fragments into protocol xml.	1669	Expand deliantra pod fragments into protocol xml.
1396		1670
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1444		1672
1445	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1446		1674
1447	=cut	1675	=cut
1448		1676
1449	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1451		1679
1452	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1681	}
1455		1682
1456	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1457		1684
1458	Sends an ext event to the client.	1685	Sends an ext event to the client.
1459		1686
1460	=cut	1687	=cut
1461		1688
1462	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1464		1691
1465	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1466	}	1693	}
1467		1694
1468	=head3 cf::region	1695	=head3 cf::region
1469		1696
1470	=over 4	1697	=over 4
…		…
1483	my ($path) = @_;	1710	my ($path) = @_;
1484		1711
1485	my ($match, $specificity);	1712	my ($match, $specificity);
1486		1713
1487	for my $region (list) {	1714	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1715	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1716	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1717	if $region->specificity > $specificity;
1491	}	1718	}
1492	}	1719	}
1493		1720
…		…
1514	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1516		1743
1517	sub generate_random_map {	1744	sub generate_random_map {
1518	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
1519	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1750	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1613	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1614	return $self;	1844	return $self;
1615	}	1845	}
1616	}	1846	}
1617		1847
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1849	()
1620	}	1850	}
1621		1851
1622	sub init {	1852	sub init {
1623	my ($self) = @_;	1853	my ($self) = @_;
…		…
1645		1875
1646	# the temporary/swap location	1876	# the temporary/swap location
1647	sub save_path {	1877	sub save_path {
1648	my ($self) = @_;	1878	my ($self) = @_;
1649		1879
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1652	}	1882	}
1653		1883
1654	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1655	sub uniq_path {	1885	sub uniq_path {
1656	my ($self) = @_;	1886	my ($self) = @_;
1657		1887
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1660	}	1890	}
1661		1891
1662	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1663	# all maps in C++...	1893	# all maps in C++...
…		…
1686		1916
1687	sub load_header_from($) {	1917	sub load_header_from($) {
1688	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1689		1919
1690	utf8::encode $path;	1920	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	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;
1696		1929
1697	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1698		1931
1699	1	1932	1
1700	}	1933	}
…		…
1754	sub find {	1987	sub find {
1755	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1756		1989
1757	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1758		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1760		1994
1761	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1762	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1763	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1764	or return;	2000	or return;
1765		2001
1766	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1767		2003
…		…
1769	or return;	2005	or return;
1770		2006
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1774	$map->reset;	2012	$map->reset;
1775	undef $guard;
1776	return find $path;	2013	return find $path;
1777	}	2014	}
1778		2015
1779	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1780	}	2017	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1790		2027
1791	my $path = $self->{path};	2028	my $path = $self->{path};
1792		2029
1793	{	2030	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1795		2032
		2033	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2035
1798	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1799		2037
1800	$self->alloc;	2038	$self->alloc;
1801		2039
1802	$self->pre_load;	2040	$self->pre_load;
1803	Coro::cede;	2041	cf::cede_to_tick;
1804		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1806	or return;	2046	or return;
1807		2047
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1809	if delete $self->{load_original};	2049	if delete $self->{load_original};
1810		2050
1811	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2052	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2055	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1816	}	2059	}
1817	}	2060	}
1818		2061
1819	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1820	# now do the right thing for maps	2065	# now do the right thing for maps
1821	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2068	unless $self->difficulty;
1824	Coro::cede;	2069	cf::cede_to_tick;
1825		2070
1826	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2072	$self->decay_objects;
1828	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1829	$self->update_buttons;	2074	$self->update_buttons;
1830	Coro::cede;	2075	cf::cede_to_tick;
1831	$self->set_darkness_map;	2076	$self->set_darkness_map;
1832	Coro::cede;	2077	cf::cede_to_tick;
1833	$self->activate;	2078	$self->activate;
1834	}	2079	}
1835		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2085	}
1838		2086
1839	$self->post_load;	2087	$self->post_load;
1840	}	2088	}
1841		2089
…		…
1850		2098
1851	$self	2099	$self
1852	}	2100	}
1853		2101
1854	# 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
1855	sub load_diag {	2103	sub load_neighbours {
1856	my ($map) = @_;	2104	my ($map) = @_;
1857		2105
1858	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1859		2107
1860	for (0 .. 3) {	2108	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1862	or next;	2110	or next;
1863	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1864	or next;	2112	or next;
1865	$neigh->load;	2113	$neigh->load;
1866		2114
		2115	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2118	}
1870		2119
1871	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1873	or next;	2123	or next;
1874	$neigh->load;	2124	$neigh->load;
1875	}	2125	}
1876	}	2126	}
1877		2127
…		…
1882	}	2132	}
1883		2133
1884	sub do_load_sync {	2134	sub do_load_sync {
1885	my ($map) = @_;	2135	my ($map) = @_;
1886		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1887	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1888	}	2141	}
1889		2142
1890	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1892		2145
1893	sub find_async {	2146	sub find_async {
1894	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1895		2148
1896	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1897		2150
1898	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2153	}
1901		2154
1902	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1903	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1904	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2162	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2163	$map->load if $v;
		2164	}
1909		2165
1910	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1911	}	2167	}
1912	}	2168	}
1913	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1914	};	2170	};
1915	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2174	}
1919		2175
1920	sub save {	2176	sub save {
1921	my ($self) = @_;	2177	my ($self) = @_;
1922		2178
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2180
1925	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1926		2182
1927	return unless $self->dirty;	2183	return unless $self->dirty;
1928		2184
…		…
1934	return if $self->{deny_save};	2190	return if $self->{deny_save};
1935		2191
1936	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1937		2193
1938	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1940	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1941		2200
1942	if ($uniq) {	2201	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2204	} else {
…		…
1951	my ($self) = @_;	2210	my ($self) = @_;
1952		2211
1953	# save first because save cedes	2212	# save first because save cedes
1954	$self->save;	2213	$self->save;
1955		2214
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2216
1958	return if $self->players;	2217	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2219	return if $self->{deny_save};
1961		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2225	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2226	}
1965		2227
1966	sub reset_at {	2228	sub reset_at {
1967	my ($self) = @_;	2229	my ($self) = @_;
1968		2230
…		…
2000	if $uniq;	2262	if $uniq;
2001	}	2263	}
2002		2264
2003	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
2004		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2269	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2270
2009	$self->unlink_save;	2271	$self->unlink_save;
2010	$self->destroy;	2272	$self->destroy;
2011	}	2273	}
2012		2274
2013	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
2014		2276
2015	sub nuke {	2277	sub nuke {
2016	my ($self) = @_;	2278	my ($self) = @_;
2017		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
2018	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
2019		2284
2020	$self->unlink_save;	2285	$self->unlink_save;
2021		2286
2022	bless $self, "cf::map";	2287	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2292
2028	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
2029		2295
2030	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
2031	}	2297	}
2032		2298
2033	=item $maps = cf::map::tmp_maps	2299	=item $maps = cf::map::tmp_maps
…		…
2075		2341
2076	sub unique_maps() {	2342	sub unique_maps() {
2077	[	2343	[
2078	map {	2344	map {
2079	utf8::decode $_;	2345	utf8::decode $_;
2080	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
2081	? normalise $_	2349	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2351	]
2085	}	2352	}
2086		2353
2087	package cf;
2088
2089	=back	2354	=back
2090		2355
2091	=head3 cf::object	2356	=head3 cf::object
2092		2357
2093	=cut	2358	=cut
…		…
2096		2361
2097	=over 4	2362	=over 4
2098		2363
2099	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
2100		2365
2101	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.
2102		2368
2103	=cut	2369	=cut
2104		2370
2105	sub inv_recursive_;	2371	sub inv_recursive_;
2106	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
2109		2375
2110	sub inv_recursive {	2376	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
2112	}	2378	}
2113		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
2114	package cf;	2408	package cf;
2115		2409
2116	=back	2410	=back
2117		2411
2118	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
2124	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>
2125	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
2126	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
2127		2421
2128	=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	};
2129		2437
2130	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2439	# with dialog boxes.
2132	#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
2133	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
2140		2448
2141	} else {	2449	} else {
2142	my $pl = $self->contr;	2450	my $pl = $self->contr;
2143		2451
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2453	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2455
2153	} else {	2456	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2459	}
2157	}	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 (@_);
2158	}	2471	}
2159		2472
2160	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
2161		2474
2162	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
2175		2488
2176	=item $player_object->enter_link	2489	=item $player_object->enter_link
2177		2490
2178	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}>).
2179		2492
2180	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.
2181	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.
2182		2497
2183	Will never block.	2498	Will never block.
2184		2499
2185	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
2186		2501
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
2244		2559
2245	$map->load;	2560	$map->load;
2246	$map->load_diag;	2561	$map->load_neighbours;
2247		2562
2248	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2249	$self->activate_recursive;	2565	$self->activate_recursive;
2250		2566
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2253	}	2569	}
2254		2570
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2572
2257	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
2258	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2259	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
2260	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 >>.
2261		2581
2262	=cut	2582	=cut
2263		2583
2264	our $GOTOGEN;	2584	our $GOTOGEN;
2265		2585
2266	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2588
2269	# 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
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2591
2272	$self->enter_link;	2592	$self->enter_link;
2273		2593
2274	(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
2275	my $map = eval {	2616	my $map = eval {
2276	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
2277		2618
2278	if ($map) {	2619	if ($map) {
2279	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
2281	} else {	2622	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2624	}
2284		2625
2285	$map	2626	$map
2286	};	2627	};
2287		2628
…		…
2292		2633
2293	if ($gen == $self->{_goto_generation}) {	2634	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2635	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
2296	}	2637	}
		2638
		2639	$done->() if $done;
2297	})->prio (1);	2640	})->prio (1);
2298	}	2641	}
2299		2642
2300	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
2301		2644
…		…
2321	}	2664	}
2322		2665
2323	sub prepare_random_map {	2666	sub prepare_random_map {
2324	my ($exit) = @_;	2667	my ($exit) = @_;
2325		2668
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2671	# that depends on the exit object
2331		2672
2332	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2675	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2339	}	2682	}
2340		2683
2341	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2342		2685
2343	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2346		2689
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2692	undef $fh;
2350	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2351		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2354	}	2701	}
2355	}	2702	}
2356		2703
2357	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2359		2706
2360	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2361		2708
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2709	$self->enter_link;
2374		2710
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2711	(async {
2380	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2381	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
2382	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2383		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
2384	1;	2735	1
2385	}) {	2736	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "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. "
2388	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2741
2391	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2410		2761
2411	utf8::encode $text;	2762	utf8::encode $text;
2412	$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);
2413	}	2764	}
2414		2765
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2767
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2768	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2769	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2770	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2771	the message unless the client supports the msg packet.
2421		2772
2422	=cut	2773	=cut
2423		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
2424	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2841
2427	$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	}
2428		2866
2429	return unless @extra || length $msg;	2867	return unless @extra || length $msg;
2430		2868
2431	if ($self->can_msg) {	2869	if ($self->can_msg) {
2432	$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);
2433	} else {	2890	} else {
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443
2444	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
2445	if (0 && $msg =~ /\[/) {	2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2909	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2911	$self->send_packet ("drawinfo $color $msg")
2450	}	2912	}
2451	}	2913	}
2452	}	2914	}
2453	}	2915	}
2454		2916
2455	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2456		2918
2457	Sends an ext event to the client.	2919	Sends an ext event to the client.
2458		2920
2459	=cut	2921	=cut
2460		2922
2461	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2463		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2465	$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	}
2466	}	2950	}
2467		2951
2468	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2469		2953
2470	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3009	my ($ns, $buf) = @_;
2526		3010
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3012
2529	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
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3021	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3022	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
2536	} else {	3028	} else {
2537	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";
2538	}	3030	}
2539		3031
2540	cf::override;	3032	cf::override;
…		…
2587	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2589		3081
2590	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2591		3083
2592	$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	));
2593		3089
2594	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2595		3091
2596	=pod	3092	=pod
2597		3093
2598	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2599		3095
2600	cf::object	3096	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3097	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3098	insert remove name archname title slaying race decrease split
2603		3099
2604	cf::object::player	3100	cf::object::player
2605	player	3101	player
2606		3102
2607	cf::player	3103	cf::player
…		…
2612		3108
2613	=cut	3109	=cut
2614		3110
2615	for (	3111	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2618	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2621	) {	3118	) {
2622	no strict 'refs';	3119	no strict 'refs';
…		…
2698	# the server's init and main functions	3195	# the server's init and main functions
2699		3196
2700	sub load_facedata($) {	3197	sub load_facedata($) {
2701	my ($path) = @_;	3198	my ($path) = @_;
2702		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
2703	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2704		3207
2705	my $facedata;	3208	my $facedata;
2706	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3210	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2710		3213
2711	$facedata->{version} == 2	3214	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		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
2714	{	3224	{
2715	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2716		3226
2717	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3234
		3235	cf::cede_to_tick;
2723	}	3236	}
2724		3237
2725	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2727	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2728	or next;	3242	or next;
		3243
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3247	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3249	}
2734	Coro::cede;	3250
		3251	cf::cede_to_tick;
2735	}	3252	}
2736	}	3253	}
2737		3254
2738	{	3255	{
2739	my $anims = $facedata->{animinfo};	3256	my $anims = $facedata->{animinfo};
2740		3257
2741	while (my ($anim, $info) = each %$anims) {	3258	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3260	cf::cede_to_tick;
2744	}	3261	}
2745		3262
2746	cf::anim::invalidate_all; # d'oh	3263	cf::anim::invalidate_all; # d'oh
2747	}	3264	}
2748		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
2749	1	3301	1
2750	}	3302	}
2751		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
2752	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
2753	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2754	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	}
2755	}	3354	}
2756		3355
2757	sub reload_facedata {	3356	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3357	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3358	or die "unable to load facedata\n";
2760	}	3359	}
2761		3360
2762	sub reload_archetypes {	3361	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3362	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3363	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3364	}
2771		3365
2772	sub reload_treasures {	3366	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3367	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3368	or die "unable to load treasurelists\n";
2775	}	3369	}
2776		3370
2777	sub reload_resources {	3371	sub reload_resources {
2778	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2779		3373
		3374	reload_facedata;
		3375	reload_archetypes;
2780	reload_regions;	3376	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3377	reload_treasures;
2785		3378
2786	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2787	}	3380	}
2788		3381
2789	sub init {	3382	sub reload_config {
2790	reload_resources;
2791	}
2792
2793	sub cfg_load {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3384	or return;
2796		3385
2797	local $/;	3386	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2799		3388
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3390
2802	$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};
2803	$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};
…		…
2809	};	3398	};
2810	warn $@ if $@;	3399	warn $@ if $@;
2811	}	3400	}
2812	}	3401	}
2813		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
2814	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
2815	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2817	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#
2818	(async {	3441	(async {
2819	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2821	};	3445	};
2822		3446
2823	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2824	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
2825	load_extensions;	3465	load_extensions;
2826		3466
2827	$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
2828	Event::loop;	3475	EV::loop;
2829	}	3476	}
2830		3477
2831	#############################################################################	3478	#############################################################################
2832	# initialisation and cleanup	3479	# initialisation and cleanup
2833		3480
2834	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2835	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2844	},
2845	);	3487	};
2846	}	3488	}
2847	}	3489	}
2848		3490
2849	sub write_runtime {	3491	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";
2851
2852	# first touch the runtime file to show we are still running:	3492	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3493	# the fsync below can take a very very long time.
2854		3494
2855	IO::AIO::aio_utime $runtime, undef, undef;	3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3496
2857	my $guard = cf::lock_acquire "write_runtime";	3497	my $guard = cf::lock_acquire "write_runtime";
2858		3498
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2860	or return;	3500	or return;
2861		3501
2862	my $value = $cf::RUNTIME + 90 + 10;	3502	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3503	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3504	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3514	aio_utime $fh, undef, undef;
2875		3515
2876	close $fh	3516	close $fh
2877	or return;	3517	or return;
2878		3518
2879	aio_rename "$runtime~", $runtime	3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3520	and return;
2881		3521
2882	warn "runtime file written.\n";	3522	warn "runtime file written.\n";
2883		3523
2884	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 };
2885	}	3575	}
2886		3576
2887	sub emergency_save() {	3577	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2889		3579
2890	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2891		3581
2892	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
2893	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3596	$pl->save;
2901	}	3597	}
2902	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2903		3599
2904	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3603	$map->valid or next;
2908	$map->save;	3604	$map->save;
2909	}	3605	}
2910	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2911		3607
2912	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2914	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";
2915	};	3615	};
2916		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
2917	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2918	}	3623	}
2919		3624
2920	sub post_cleanup {	3625	sub post_cleanup {
2921	my ($make_core) = @_;	3626	my ($make_core) = @_;
2922		3627
2923	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2924	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 $pkg\n";#d#
2925	}	3659	}
2926		3660
2927	sub do_reload_perl() {	3661	sub do_reload_perl() {
2928	# can/must only be called in main	3662	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2931	return;	3665	return;
2932	}	3666	}
2933		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2934	warn "reloading...";	3673	warn "reloading...";
2935		3674
2936	warn "entering sync_job";	3675	warn "entering sync_job";
2937		3676
2938	cf::sync_job {	3677	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3679	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
2942		3681
2943	warn "syncing database to disk";	3682	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3684
2946	# 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
2947		3686
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3690	}
2985		3691
2986	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2988	}	3694	%EXT_CORO = ();
2989		3695
2990	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3705	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3706
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
3001	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
3002	}	3716	}
3003		3717
3004	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 $k;
3005	}	3733	}
3006		3734
3007	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
3009	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);
3010		3738
3011	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
3014		3742
3015	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3744	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
3018		3746
3019	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
3020		3748
3021	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
3022	require cf;	3750	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3752
3025	warn "loading config and database again";	3753	warn "loading config and database again";
3026	cf::cfg_load;	3754	cf::reload_config;
3027		3755
3028	warn "loading extensions";	3756	warn "loading extensions";
3029	cf::load_extensions;	3757	cf::load_extensions;
3030		3758
		3759	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
3037		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
3038	warn "leaving sync_job";	3771	warn "leaving sync_job";
3039		3772
3040	1	3773	1
3041	} or do {	3774	} or do {
3042	warn $@;	3775	warn $@;
3043	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3777	};
3046		3778
3047	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
3048	};	3785	};
3049		3786
3050	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
3051		3788
3052	sub reload_perl() {	3789	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
3055		3792
3056	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	3795
3059	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	3797	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
3063	},	3799	};
3064	);	3800	};
3065	}	3801	}
3066		3802
3067	register_command "reload" => sub {	3803	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
3069		3805
3070	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3810	reload_perl;
		3811	};
3073	}	3812	}
3074	};	3813	};
3075		3814
3076	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
3077		3816
…		…
3079		3818
3080	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
3082		3821
3083	sub wait_for_tick {	3822	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
3086		3824
3087	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3827	$signal->wait;
3090	}	3828	}
3091		3829
3092	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
3095		3832
3096	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3835	$signal->wait;
3099	}	3836	}
3100		3837
3101	my $min = 1e6;#d#	3838	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
3113	return;	3842	return;
3114	}	3843	}
3115		3844
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
3119		3846
3120	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3849	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
3124	or die;	3851	write_runtime_sync
3125		3852	or warn "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3853	};
		3854	}
3142		3855
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3857	$sig->send;
3159	}	3858	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3860	$sig->send;
3162	}	3861	}
3163		3862
3164	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3865
3175	_post_tick;	3866	if (0) {
3176		3867	if ($NEXT_TICK) {
3177		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
3178	},	3872	}
3179	);	3873	}
3180		3874
3181	{	3875	{
3182	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3877
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3192		3879	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3881
3208	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3209	$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);
3210		3889
3211	cf::sync_job {	3890	cf::sync_job {
3212	eval {	3891	eval {
3213	BDB::db_env_open	3892	BDB::db_env_open
3214	$DB_ENV,	3893	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3897	0666;
3219		3898
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	3900	};
3225		3901
3226	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3903	};
3228	}	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	};
3229	}	3915	}
3230		3916
3231	{	3917	{
		3918	# configure IO::AIO
		3919
3232	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	3923	}
3245		3924
3246	my $_log_backtrace;	3925	my $_log_backtrace;
3247		3926
3248	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3252		3931
3253	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3256	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
3257	my @bt = fork_call {	3939	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	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 |"
3261	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3269	}	3951	}
3270		3952
3271	@funcs	3953	@funcs
3272	};	3954	};
3273		3955
3274	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	3959	--$_log_backtrace;
3277	};	3960	};
3278	} else {	3961	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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