ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		74
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		76
50	our %COMMAND = ();	77	our %COMMAND = ();
51	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	81	our %EXTCMD = ();
55	our %EXTICMD = ();	82	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
58		85
59	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	87	our @EVENT;
61		88
62	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	90	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
73		104
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	107	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	113	our $DB_ENV;
84		114
85	our %CFG;	115	our %CFG;
86		116
87	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
89		120
90	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
93		124
94	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		127
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
100		134
101	binmode STDOUT;	135	binmode STDOUT;
102	binmode STDERR;	136	binmode STDERR;
103		137
104	# read virtual server time, if available	138	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
109	}	143	}
110		144
111	mkdir $_	145	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		191
158	The raw value load value from the last tick.	192	The raw value load value from the last tick.
159		193
160	=item %cf::CFG	194	=item %cf::CFG
161		195
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	197	from wherever your confdir points to.
164		198
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		200
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	202	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
171	=back	211	=back
172		212
173	=cut	213	=cut
174		214
175	BEGIN {	215	BEGIN {
…		…
179	$msg .= "\n"	219	$msg .= "\n"
180	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
181		221
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		223
184	utf8::encode $msg;
185	LOG llevError, $msg;	224	LOG llevError, $msg;
186	};	225	};
187	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
188		242
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	253	for my $pkg (qw(
200	cf::global cf::attachable	254	cf::global cf::attachable
201	cf::object cf::object::player	255	cf::object cf::object::player
202	cf::client cf::player	256	cf::client cf::player
203	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
204	cf::map cf::party cf::region	259	cf::party cf::region
205	)) {	260	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	262	}
209		263
210	$Event::DIED = sub {	264	$EV::DIED = sub {
211	warn "error in event callback: @_";	265	warn "error in event callback: @_";
212	};	266	};
213		267
214	#############################################################################	268	#############################################################################
215		269
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	293	$d
240	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
241	}	295	}
242		296
243	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
244		298
245	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
246		300
247	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
248		302
249	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
250		304
251	=cut	305	=cut
252		306
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		308
255	sub to_json ($) { $json_coder->encode ($_[0]) }	309	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
257		325
258	=item cf::lock_wait $string	326	=item cf::lock_wait $string
259		327
260	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
261		329
…		…
264	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
267	returned.	335	returned.
268		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
269	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
271		342
272	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
273		344
274	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
275		346
276	=cut	347	=cut
277		348
278	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
279		351
280	sub lock_wait($) {	352	sub lock_wait($) {
281	my ($key) = @_;	353	my ($key) = @_;
282		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
283	# wait for lock, if any	360	# wait for lock, if any
284	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
285	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	364	Coro::schedule;
287	}	365	}
288	}	366	}
289		367
…		…
292		370
293	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
294	lock_wait $key;	372	lock_wait $key;
295		373
296	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
297		376
298	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
301	}	381	}
302	}	382	}
303		383
…		…
306		386
307	! ! $LOCK{$key}	387	! ! $LOCK{$key}
308	}	388	}
309		389
310	sub freeze_mainloop {	390	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
312		392
313	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
315	};	454	}
316	$TICK_WATCHER->stop;	455	};
317	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
318	}	469	}
319		470
320	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
321		472
322	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		478
328	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
329		480
330	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
331		482
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	484	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	486	acceptable.
336		487
337	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		494
344	sub sync_job(&) {	495	sub sync_job(&) {
345	my ($job) = @_;	496	my ($job) = @_;
346		497
347	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	499	my $time = EV::time;
349		500
350	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
352		503
353	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	505
355	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
356		507
357	my $busy = 1;	508	my $busy = 1;
358	my @res;	509	my @res;
359		510
360	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	513	@res = eval { $job->() };
362	warn $@ if $@;	514	warn $@ if $@;
363	undef $busy;	515	undef $busy;
364	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
365		517
366	while ($busy) {	518	while ($busy) {
367	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
368	}	523	}
		524	}
369		525
370	$time = Event::time - $time;	526	my $time = EV::time - $time;
371		527
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
376		529
377	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
378	} else {	531	} else {
379	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
380		533
…		…
405	=item fork_call { }, $args	558	=item fork_call { }, $args
406		559
407	Executes the given code block with the given arguments in a seperate	560	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	562	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
411		564
412	=cut	565	=cut
413		566
414	sub fork_call(&@) {	567	sub fork_call(&@) {
415	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
416		569
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	570	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	571	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	572	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		573
422	if (my $pid = fork) {	574	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;	575	reset_signals;
436	local $SIG{__WARN__};	576	&$cb
437	local $SIG{__DIE__};	577	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		578
443	my @res = eval { $cb->(@args) };	579	wantarray ? @res : $res[-1]
		580	}
444		581
445	open my $fh, ">", \my $buf	582	=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		583
450	warn "writing ", length $buf;	584	=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		585
457	warn $@ if $@;	586	our %coin_alias = (
458	_exit 0;	587	"silver" => "silvercoin",
459	}	588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
460	}	607	}
461		608
462	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
463		610
464	Returns a single value from the environment database.	611	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
467		614
468	Stores the given C<$value> in the family. It can currently store binary	615	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
471	=cut	623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
472		641
473	our $DB;	642	our $DB;
474		643
475	sub db_init {	644	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	645	cf::sync_job {
480	eval {	646	$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	}	647	};
490	}	648	}
491		649
492	sub db_get($$) {	650	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
494		652
…		…
544	if (1) {	702	if (1) {
545	$md5 =	703	$md5 =
546	join "\x00",	704	join "\x00",
547	$processversion,	705	$processversion,
548	map {	706	map {
549	Coro::cede;	707	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	709	} 0.. $#$src;
552		710
553		711
554	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		750
593	#############################################################################	751	#############################################################################
594		752
595	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
596		754
597	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
600		758
601	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	761	Deliantra).
604		762
605	=over 4	763	=over 4
606		764
607	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
608		766
…		…
652	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
653		811
654	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
656		814
657	Some classes such as crossfire maps and objects can specify attachments	815	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.	816	that are attached at load/instantiate time, thus the need for a name.
659		817
660	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
661		819
662	=over 4	820	=over 4
…		…
860	";	1018	";
861	die if $@;	1019	die if $@;
862	}	1020	}
863		1021
864	our $override;	1022	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1024
867	sub override {	1025	sub override {
868	$override = 1;	1026	$override = 1;
869	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
870	}	1028	}
871		1029
872	sub do_invoke {	1030	sub do_invoke {
873	my $event = shift;	1031	my $event = shift;
874	my $callbacks = shift;	1032	my $callbacks = shift;
875		1033
876	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
877		1035
878	local $override;	1036	local $override;
879		1037
880	for (@$callbacks) {	1038	for (@$callbacks) {
881	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
890	}	1048	}
891		1049
892	0	1050	0
893	}	1051	}
894		1052
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1054
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1056
899	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
900		1058
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1062
905	=back	1063	=back
906		1064
907	=cut	1065	=cut
908		1066
909	#############################################################################	1067	#############################################################################
910	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
911		1111
912	sub reattach {	1112	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1114	my ($obj) = @_;
915		1115
		1116	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1118
918	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
919		1120
920	@$registry = ();	1121	@$registry = ();
921		1122
…		…
936	cf::attachable->attach (	1137	cf::attachable->attach (
937	prio => -1000000,	1138	prio => -1000000,
938	on_instantiate => sub {	1139	on_instantiate => sub {
939	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
940		1141
941	$data = from_json $data;	1142	$data = decode_json $data;
942		1143
943	for (@$data) {	1144	for (@$data) {
944	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
945		1146
946	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1163	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
964		1165
965	sync_job {	1166	sync_job {
966	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
969		1171
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
974	close $fh;	1176	aio_close $fh;
975		1177
976	if (@$objs) {	1178	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
982	close $fh;	1184	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
984	}	1186	}
985	} else {	1187	} else {
986	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
987	}	1189	}
…		…
992	}	1194	}
993	} else {	1195	} else {
994	aio_unlink $filename;	1196	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
996	}	1198	}
997	}	1199	};
998	}	1200	}
999		1201
1000	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
1002		1204
…		…
1014	or return;	1216	or return;
1015		1217
1016	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1220	or return;
		1221
1019	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
1020	}	1224	}
1021		1225
		1226	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1228	$decname, length $data, scalar @{$av || []};
		1229
1024	return ($data, $av);	1230	($data, $av)
1025	}	1231	}
1026		1232
1027	=head2 COMMAND CALLBACKS	1233	=head2 COMMAND CALLBACKS
1028		1234
1029	=over 4	1235	=over 4
…		…
1102	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
1103		1309
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1311
1106	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
1112	} else {	1327	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1329	}
1115		1330
1116	cf::override;	1331	cf::override;
…		…
1143		1358
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1361
1147	$ext{source} =	1362	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1364	. "#line 1 \"$path\"\n{\n"
1150	. $source	1365	. $source
1151	. "\n};\n1";	1366	. "\n};\n1";
1152		1367
1153	$todo{$base} = \%ext;	1368	$todo{$base} = \%ext;
…		…
1169	my $msg = $@ ? "$v->{path}: $@\n"	1384	my $msg = $@ ? "$v->{path}: $@\n"
1170	: "$v->{base}: extension inactive.\n";	1385	: "$v->{base}: extension inactive.\n";
1171		1386
1172	if (exists $v->{meta}{mandatory}) {	1387	if (exists $v->{meta}{mandatory}) {
1173	warn $msg;	1388	warn $msg;
1174	warn "mandatory extension failed to load, exiting.\n";	1389	cf::cleanup "mandatory extension failed to load, exiting.";
1175	exit 1;
1176	}	1390	}
1177		1391
1178	warn $msg;	1392	warn $msg;
1179	}	1393	}
1180		1394
…		…
1194		1408
1195	=back	1409	=back
1196		1410
1197	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
1198		1412
1199	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
1200		1414
1201	=cut	1415	=cut
1202		1416
1203	package cf::player;	1417	package cf::player;
1204		1418
1205	use Coro::AIO;	1419	use Coro::AIO;
1206		1420
1207	=head3 cf::player	1421	=head3 cf::player
1208		1422
1209	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
1210		1438
1211	=item cf::player::find $login	1439	=item cf::player::find $login
1212		1440
1213	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1214		1442
…		…
1233		1461
1234	sub exists($) {	1462	sub exists($) {
1235	my ($login) = @_;	1463	my ($login) = @_;
1236		1464
1237	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1239	}	1467	}
1240		1468
1241	sub find($) {	1469	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1471	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1482
1255	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1258	}	1492	}
1259	}	1493	}
1260	}	1494	}
1261		1495
…		…
1270	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1271		1505
1272	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1274		1508
		1509	cf::get_slot 0.01;
		1510
1275	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1276	Coro::cede;	1512	cf::cede_to_tick;
1277	}	1513	}
1278		1514
1279	sub new($) {	1515	sub new($) {
1280	my ($login) = @_;	1516	my ($login) = @_;
1281		1517
…		…
1287	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1288		1524
1289	$self	1525	$self
1290	}	1526	}
1291		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1292	=item $pl->quit_character	1538	=item $pl->quit_character
1293		1539
1294	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1296		1542
…		…
1300	my ($pl) = @_;	1546	my ($pl) = @_;
1301		1547
1302	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1303		1549
1304	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1552
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1311		1559
1312	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1597	or return [];
1350		1598
1351	my @logins;	1599	my @logins;
1352		1600
1353	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1357		1611
1358	utf8::decode $login;	1612	utf8::decode $login;
1359	push @logins, $login;	1613	push @logins, $login;
1360	}	1614	}
1361		1615
…		…
1388	}	1642	}
1389		1643
1390	\@paths	1644	\@paths
1391	}	1645	}
1392		1646
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1648
1395	Expand crossfire pod fragments into protocol xml.	1649	Expand deliantra pod fragments into protocol xml.
1396		1650
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)	1651	=item $player->ext_reply ($msgid, @msg)
1444		1652
1445	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1446		1654
1447	=cut	1655	=cut
1448		1656
1449	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1451		1659
1452	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1661	}
1455		1662
1456	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1457		1664
1458	Sends an ext event to the client.	1665	Sends an ext event to the client.
1459		1666
1460	=cut	1667	=cut
1461		1668
1462	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1464		1671
1465	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1466	}	1673	}
1467		1674
1468	=head3 cf::region	1675	=head3 cf::region
1469		1676
1470	=over 4	1677	=over 4
…		…
1483	my ($path) = @_;	1690	my ($path) = @_;
1484		1691
1485	my ($match, $specificity);	1692	my ($match, $specificity);
1486		1693
1487	for my $region (list) {	1694	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1695	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1696	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1697	if $region->specificity > $specificity;
1491	}	1698	}
1492	}	1699	}
1493		1700
…		…
1514	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1516		1723
1517	sub generate_random_map {	1724	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1519	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1730	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1613	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1614	return $self;	1824	return $self;
1615	}	1825	}
1616	}	1826	}
1617		1827
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1829	()
1620	}	1830	}
1621		1831
1622	sub init {	1832	sub init {
1623	my ($self) = @_;	1833	my ($self) = @_;
…		…
1645		1855
1646	# the temporary/swap location	1856	# the temporary/swap location
1647	sub save_path {	1857	sub save_path {
1648	my ($self) = @_;	1858	my ($self) = @_;
1649		1859
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1652	}	1862	}
1653		1863
1654	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1655	sub uniq_path {	1865	sub uniq_path {
1656	my ($self) = @_;	1866	my ($self) = @_;
1657		1867
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1660	}	1870	}
1661		1871
1662	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1663	# all maps in C++...	1873	# all maps in C++...
…		…
1686		1896
1687	sub load_header_from($) {	1897	sub load_header_from($) {
1688	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1689		1899
1690	utf8::encode $path;	1900	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1696		1909
1697	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1698		1911
1699	1	1912	1
1700	}	1913	}
…		…
1754	sub find {	1967	sub find {
1755	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1756		1969
1757	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1758		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1760		1974
1761	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1762	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1763	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1764	or return;	1980	or return;
1765		1981
1766	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1767		1983
…		…
1769	or return;	1985	or return;
1770		1986
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1774	$map->reset;	1992	$map->reset;
1775	undef $guard;
1776	return find $path;	1993	return find $path;
1777	}	1994	}
1778		1995
1779	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1780	}	1997	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1790		2007
1791	my $path = $self->{path};	2008	my $path = $self->{path};
1792		2009
1793	{	2010	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1795		2012
		2013	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2015
1798	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1799		2017
1800	$self->alloc;	2018	$self->alloc;
1801		2019
1802	$self->pre_load;	2020	$self->pre_load;
1803	Coro::cede;	2021	cf::cede_to_tick;
1804		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1806	or return;	2026	or return;
1807		2027
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1809	if delete $self->{load_original};	2029	if delete $self->{load_original};
1810		2030
1811	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2032	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2035	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1816	}	2039	}
1817	}	2040	}
1818		2041
1819	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1820	# now do the right thing for maps	2045	# now do the right thing for maps
1821	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2048	unless $self->difficulty;
1824	Coro::cede;	2049	cf::cede_to_tick;
1825		2050
1826	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2052	$self->decay_objects;
1828	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1829	$self->update_buttons;	2054	$self->update_buttons;
1830	Coro::cede;	2055	cf::cede_to_tick;
1831	$self->set_darkness_map;	2056	$self->set_darkness_map;
1832	Coro::cede;	2057	cf::cede_to_tick;
1833	$self->activate;	2058	$self->activate;
1834	}	2059	}
1835		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2065	}
1838		2066
1839	$self->post_load;	2067	$self->post_load;
1840	}	2068	}
1841		2069
…		…
1850		2078
1851	$self	2079	$self
1852	}	2080	}
1853		2081
1854	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2083	sub load_neighbours {
1856	my ($map) = @_;	2084	my ($map) = @_;
1857		2085
1858	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1859		2087
1860	for (0 .. 3) {	2088	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1862	or next;	2090	or next;
1863	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1864	or next;	2092	or next;
1865	$neigh->load;	2093	$neigh->load;
1866		2094
		2095	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2098	}
1870		2099
1871	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1873	or next;	2103	or next;
1874	$neigh->load;	2104	$neigh->load;
1875	}	2105	}
1876	}	2106	}
1877		2107
…		…
1882	}	2112	}
1883		2113
1884	sub do_load_sync {	2114	sub do_load_sync {
1885	my ($map) = @_;	2115	my ($map) = @_;
1886		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1887	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1888	}	2121	}
1889		2122
1890	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1892		2125
1893	sub find_async {	2126	sub find_async {
1894	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1895		2128
1896	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1897		2130
1898	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2133	}
1901		2134
1902	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1903	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1904	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2142	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2143	$map->load if $v;
		2144	}
1909		2145
1910	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1911	}	2147	}
1912	}	2148	}
1913	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1914	};	2150	};
1915	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2154	}
1919		2155
1920	sub save {	2156	sub save {
1921	my ($self) = @_;	2157	my ($self) = @_;
1922		2158
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2160
1925	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1926		2162
1927	return unless $self->dirty;	2163	return unless $self->dirty;
1928		2164
…		…
1934	return if $self->{deny_save};	2170	return if $self->{deny_save};
1935		2171
1936	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1937		2173
1938	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1940	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1941		2180
1942	if ($uniq) {	2181	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2184	} else {
…		…
1951	my ($self) = @_;	2190	my ($self) = @_;
1952		2191
1953	# save first because save cedes	2192	# save first because save cedes
1954	$self->save;	2193	$self->save;
1955		2194
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2196
1958	return if $self->players;	2197	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2199	return if $self->{deny_save};
1961		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2205	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2206	}
1965		2207
1966	sub reset_at {	2208	sub reset_at {
1967	my ($self) = @_;	2209	my ($self) = @_;
1968		2210
…		…
2000	if $uniq;	2242	if $uniq;
2001	}	2243	}
2002		2244
2003	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
2004		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2249	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2250
2009	$self->unlink_save;	2251	$self->unlink_save;
2010	$self->destroy;	2252	$self->destroy;
2011	}	2253	}
2012		2254
2013	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
2014		2256
2015	sub nuke {	2257	sub nuke {
2016	my ($self) = @_;	2258	my ($self) = @_;
2017		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
2018	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
2019		2264
2020	$self->unlink_save;	2265	$self->unlink_save;
2021		2266
2022	bless $self, "cf::map";	2267	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2272
2028	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
2029		2275
2030	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
2031	}	2277	}
2032		2278
2033	=item $maps = cf::map::tmp_maps	2279	=item $maps = cf::map::tmp_maps
…		…
2075		2321
2076	sub unique_maps() {	2322	sub unique_maps() {
2077	[	2323	[
2078	map {	2324	map {
2079	utf8::decode $_;	2325	utf8::decode $_;
2080	/\.map$/	2326	s/\.map$//; # TODO future compatibility hack
		2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2328	? ()
2081	? normalise $_	2329	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2330	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2331	]
2085	}	2332	}
2086		2333
2087	package cf;
2088
2089	=back	2334	=back
2090		2335
2091	=head3 cf::object	2336	=head3 cf::object
2092		2337
2093	=cut	2338	=cut
…		…
2096		2341
2097	=over 4	2342	=over 4
2098		2343
2099	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
2100		2345
2101	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
2102		2348
2103	=cut	2349	=cut
2104		2350
2105	sub inv_recursive_;	2351	sub inv_recursive_;
2106	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
2109		2355
2110	sub inv_recursive {	2356	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
2112	}	2358	}
2113		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
2114	package cf;	2388	package cf;
2115		2389
2116	=back	2390	=back
2117		2391
2118	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	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	2399	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
2127		2401
2128	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
2129		2417
2130	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2419	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
2140		2428
2141	} else {	2429	} else {
2142	my $pl = $self->contr;	2430	my $pl = $self->contr;
2143		2431
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2433	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2434	$dialog->{pl}->ext_msg ($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		2435
2153	} else {	2436	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2439	}
2157	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
2158	}	2451	}
2159		2452
2160	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
2161		2454
2162	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
2175		2468
2176	=item $player_object->enter_link	2469	=item $player_object->enter_link
2177		2470
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2472
2180	The player should be reasonably safe there for short amounts of time. You	2473	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.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
2182		2477
2183	Will never block.	2478	Will never block.
2184		2479
2185	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
2186		2481
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
2244		2539
2245	$map->load;	2540	$map->load;
2246	$map->load_diag;	2541	$map->load_neighbours;
2247		2542
2248	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2249	$self->activate_recursive;	2545	$self->activate_recursive;
2250		2546
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
2253	}	2549	}
2254		2550
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2552
2257	Moves the player to the given map-path and coordinates by first freezing	2553	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	2554	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	2555	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2556	the new (success) or old (failed) map position. In either case, $done will
		2557	be called at the end of this process.
		2558
		2559	Note that $check will be called with a potentially non-loaded map, so if
		2560	it needs a loaded map it has to call C<< ->load >>.
2261		2561
2262	=cut	2562	=cut
2263		2563
2264	our $GOTOGEN;	2564	our $GOTOGEN;
2265		2565
2266	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2568
2269	# do generation counting so two concurrent goto's will be executed in-order	2569	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2571
2272	$self->enter_link;	2572	$self->enter_link;
2273		2573
2274	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
2275	my $map = eval {	2596	my $map = eval {
2276	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
2277		2598
2278	if ($map) {	2599	if ($map) {
2279	$map = $map->customise_for ($self);	2600	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2601	$map = $check->($map) if $check && $map;
2281	} else {	2602	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2604	}
2284		2605
2285	$map	2606	$map
2286	};	2607	};
2287		2608
…		…
2292		2613
2293	if ($gen == $self->{_goto_generation}) {	2614	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2615	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
2296	}	2617	}
		2618
		2619	$done->() if $done;
2297	})->prio (1);	2620	})->prio (1);
2298	}	2621	}
2299		2622
2300	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
2301		2624
…		…
2321	}	2644	}
2322		2645
2323	sub prepare_random_map {	2646	sub prepare_random_map {
2324	my ($exit) = @_;	2647	my ($exit) = @_;
2325		2648
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2651	# that depends on the exit object
2331		2652
2332	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2655	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2339	}	2662	}
2340		2663
2341	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2342		2665
2343	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2346		2669
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2672	undef $fh;
2350	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2351		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2354	}	2681	}
2355	}	2682	}
2356		2683
2357	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2359		2686
2360	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2361		2688
2362	if ($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;	2689	$self->enter_link;
2374		2690
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 {	2691	(async {
2380	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2381	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2382	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2383		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2384	1;	2715	1
2385	}) {	2716	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2721
2391	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2410		2741
2411	utf8::encode $text;	2742	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2744	}
2414		2745
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2747
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2748	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2749	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	2750	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2751	the message unless the client supports the msg packet.
2421		2752
2422	=cut	2753	=cut
2423		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
2424	sub cf::client::send_msg {	2819	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2820	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2821
2427	$msg = $self->pl->expand_cfpod ($msg);	2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
2428		2846
2429	return unless @extra || length $msg;	2847	return unless @extra || length $msg;
2430		2848
2431	if ($self->can_msg) {	2849	if ($self->can_msg) {
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
2433	} else {	2870	} 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 ($color >= 0) {	2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
2445	if (0 && $msg =~ /\[/) {	2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2889	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2891	$self->send_packet ("drawinfo $color $msg")
2450	}	2892	}
2451	}	2893	}
2452	}	2894	}
2453	}	2895	}
2454		2896
2455	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2456		2898
2457	Sends an ext event to the client.	2899	Sends an ext event to the client.
2458		2900
2459	=cut	2901	=cut
2460		2902
2461	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2463		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2466	}	2930	}
2467		2931
2468	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2469		2933
2470	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	2989	my ($ns, $buf) = @_;
2526		2990
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		2992
2529	if (ref $msg) {	2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3001	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3002	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2536	} else {	3008	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3010	}
2539		3011
2540	cf::override;	3012	cf::override;
…		…
2587	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2589		3061
2590	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2591		3063
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2593		3069
2594	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2595		3071
2596	=pod	3072	=pod
2597		3073
2598	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2599		3075
2600	cf::object	3076	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3077	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3078	insert remove name archname title slaying race decrease split
2603		3079
2604	cf::object::player	3080	cf::object::player
2605	player	3081	player
2606		3082
2607	cf::player	3083	cf::player
…		…
2612		3088
2613	=cut	3089	=cut
2614		3090
2615	for (	3091	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2618	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2621	) {	3098	) {
2622	no strict 'refs';	3099	no strict 'refs';
…		…
2698	# the server's init and main functions	3175	# the server's init and main functions
2699		3176
2700	sub load_facedata($) {	3177	sub load_facedata($) {
2701	my ($path) = @_;	3178	my ($path) = @_;
2702		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3185
2703	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2704		3187
2705	my $facedata;	3188	my $facedata;
2706	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3190	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2710		3193
2711	$facedata->{version} == 2	3194	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2714	{	3204	{
2715	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2716		3206
2717	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3214
		3215	cf::cede_to_tick;
2723	}	3216	}
2724		3217
2725	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2727	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2728	or next;	3222	or next;
		3223
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3227	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3229	}
2734	Coro::cede;	3230
		3231	cf::cede_to_tick;
2735	}	3232	}
2736	}	3233	}
2737		3234
2738	{	3235	{
2739	my $anims = $facedata->{animinfo};	3236	my $anims = $facedata->{animinfo};
2740		3237
2741	while (my ($anim, $info) = each %$anims) {	3238	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3240	cf::cede_to_tick;
2744	}	3241	}
2745		3242
2746	cf::anim::invalidate_all; # d'oh	3243	cf::anim::invalidate_all; # d'oh
2747	}	3244	}
2748		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2749	1	3281	1
2750	}	3282	}
2751		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
2752	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2753	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
2755	}	3334	}
2756		3335
2757	sub reload_facedata {	3336	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3337	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3338	or die "unable to load facedata\n";
2760	}	3339	}
2761		3340
2762	sub reload_archetypes {	3341	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3342	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3343	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	}	3344	}
2771		3345
2772	sub reload_treasures {	3346	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3347	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
2775	}	3349	}
2776		3350
2777	sub reload_resources {	3351	sub reload_resources {
2778	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2779		3353
		3354	reload_facedata;
		3355	reload_archetypes;
2780	reload_regions;	3356	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3357	reload_treasures;
2785		3358
2786	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2787	}	3360	}
2788		3361
2789	sub init {	3362	sub reload_config {
2790	reload_resources;
2791	}
2792
2793	sub cfg_load {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3364	or return;
2796		3365
2797	local $/;	3366	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2799		3368
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3370
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$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};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2809	};	3378	};
2810	warn $@ if $@;	3379	warn $@ if $@;
2811	}	3380	}
2812	}	3381	}
2813		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2814	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2815	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3421	(async {
2819	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2821	};	3425	};
2822		3426
2823	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2824	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2825	load_extensions;	3445	load_extensions;
2826		3446
2827	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2828	Event::loop;	3455	EV::loop;
2829	}	3456	}
2830		3457
2831	#############################################################################	3458	#############################################################################
2832	# initialisation and cleanup	3459	# initialisation and cleanup
2833		3460
2834	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2835	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3465	$SIGWATCHER{$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";	3466	cf::cleanup "SIG$signal";
2844	},
2845	);	3467	};
2846	}	3468	}
2847	}	3469	}
2848		3470
2849	sub write_runtime {	3471	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";
2851
2852	# first touch the runtime file to show we are still running:	3472	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3473	# the fsync below can take a very very long time.
2854		3474
2855	IO::AIO::aio_utime $runtime, undef, undef;	3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3476
2857	my $guard = cf::lock_acquire "write_runtime";	3477	my $guard = cf::lock_acquire "write_runtime";
2858		3478
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2860	or return;	3480	or return;
2861		3481
2862	my $value = $cf::RUNTIME + 90 + 10;	3482	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3483	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3484	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3494	aio_utime $fh, undef, undef;
2875		3495
2876	close $fh	3496	close $fh
2877	or return;	3497	or return;
2878		3498
2879	aio_rename "$runtime~", $runtime	3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3500	and return;
2881		3501
2882	warn "runtime file written.\n";	3502	warn "runtime file written.\n";
2883		3503
2884	1	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2885	}	3555	}
2886		3556
2887	sub emergency_save() {	3557	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2889		3559
…		…
2895	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2897	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3571	$pl->save;
2901	}	3572	}
2902	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2903		3574
2904	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2910	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2911		3582
2912	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2915	};	3590	};
2916		3591
2917	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2918	}	3593	}
2919		3594
2920	sub post_cleanup {	3595	sub post_cleanup {
2921	my ($make_core) = @_;	3596	my ($make_core) = @_;
2922		3597
2923	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
2925	}	3629	}
2926		3630
2927	sub do_reload_perl() {	3631	sub do_reload_perl() {
2928	# can/must only be called in main	3632	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2931	return;	3635	return;
2932	}	3636	}
2933		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2934	warn "reloading...";	3641	warn "reloading...";
2935		3642
2936	warn "entering sync_job";	3643	warn "entering sync_job";
2937		3644
2938	cf::sync_job {	3645	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3647	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2942		3649
2943	warn "syncing database to disk";	3650	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3652
2946	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2947		3654
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$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	}	3658	}
2985		3659
2986	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2988	}	3662	%EXT_CORO = ();
2989		3663
2990	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3673	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3674
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
3001	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
3002	}	3684	}
3003		3685
3004	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
3005	}	3701	}
3006		3702
3007	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3706
3011	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
3014		3710
3015	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3712	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
3018		3714
3019	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
3020		3716
3021	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
3022	require cf;	3718	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3720
3025	warn "loading config and database again";	3721	warn "loading config and database again";
3026	cf::cfg_load;	3722	cf::reload_config;
3027		3723
3028	warn "loading extensions";	3724	warn "loading extensions";
3029	cf::load_extensions;	3725	cf::load_extensions;
3030		3726
3031	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
3037		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
3038	warn "leaving sync_job";	3737	warn "leaving sync_job";
3039		3738
3040	1	3739	1
3041	} or do {	3740	} or do {
3042	warn $@;	3741	warn $@;
3043	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3743	};
3046		3744
3047	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
3048	};	3748	};
3049		3749
3050	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
3051		3751
3052	sub reload_perl() {	3752	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
3055		3755
3056	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3057	reentrant => 0,
3058	after => 0,
3059	data => WF_AUTOCANCEL,
3060	cb => sub {
3061	do_reload_perl;	3757	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
3063	},
3064	);	3759	};
3065	}	3760	}
3066		3761
3067	register_command "reload" => sub {	3762	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
3069		3764
3070	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3769	reload_perl;
		3770	};
3073	}	3771	}
3074	};	3772	};
3075		3773
3076	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
3077		3775
…		…
3079		3777
3080	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
3082		3780
3083	sub wait_for_tick {	3781	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
3086		3783
3087	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3786	$signal->wait;
3090	}	3787	}
3091		3788
3092	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
3095		3791
3096	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3794	$signal->wait;
3099	}	3795	}
3100		3796
3101	my $min = 1e6;#d#	3797	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 != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
3113	return;	3801	return;
3114	}	3802	}
3115		3803
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
3119		3805
3120	0 && sync_job {#d#	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3808	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3809	$Coro::current->{desc} = "runtime saver";
3124	or die;	3810	write_runtime_sync
3125		3811	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	};	3812	};
		3813	}
3142		3814
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) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3816	$sig->send;
3159	}	3817	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3819	$sig->send;
3162	}	3820	}
3163		3821
3164	$NOW = Event::time;	3822	$LOAD = ($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;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3824
3175	_post_tick;	3825	if (0) {
3176		3826	if ($NEXT_TICK) {
3177		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
3178	},	3831	}
3179	);	3832	}
3180		3833
3181	{	3834	{
3182	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3836
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;	3837	BDB::min_parallel 8;
3192		3838	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3839	$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	$! = $status;
3204	},
3205	)
3206	};
3207		3840
3208	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		3848
3211	cf::sync_job {	3849	cf::sync_job {
3212	eval {	3850	eval {
3213	BDB::db_env_open	3851	BDB::db_env_open
3214	$DB_ENV,	3852	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3856	0666;
3219		3857
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($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	};	3859	};
3225		3860
3226	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3862	};
3228	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
3229	}	3874	}
3230		3875
3231	{	3876	{
		3877	# configure IO::AIO
		3878
3232	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3881	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	}	3882	}
3245		3883
3246	my $_log_backtrace;	3884	my $_log_backtrace;
3247		3885
3248	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
3252		3890
3253	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
3256	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
3257	my @bt = fork_call {	3898	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
3269	}	3910	}
3270		3911
3271	@funcs	3912	@funcs
3272	};	3913	};
3273		3914
3274	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	3918	--$_log_backtrace;
3277	};	3919	};
3278	} else {	3920	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines