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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC vs.
Revision 1.454 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
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		566
423	sub fork_call(&@) {	567	sub fork_call(&@) {
424	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
425		569
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	570	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	571	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	572	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		573
431	if (my $pid = fork) {	574	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	575	reset_signals;
445	local $SIG{__WARN__};	576	&$cb
446	local $SIG{__DIE__};	577	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		578
453	eval {	579	wantarray ? @res : $res[-1]
454	close $fh1;	580	}
455		581
456	my @res = eval { $cb->(@args) };	582	=item $coin = coin_from_name $name
457		583
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	584	=cut
459	close $fh2;
460	};
461		585
462	warn $@ if $@;	586	our %coin_alias = (
463	_exit 0;	587	"silver" => "silvercoin",
464	}	588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
465	}	607	}
466		608
467	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
468		610
469	Returns a single value from the environment database.	611	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
472		614
473	Stores the given C<$value> in the family. It can currently store binary	615	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
476	=cut	623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
477		641
478	our $DB;	642	our $DB;
479		643
480	sub db_init {	644	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	645	cf::sync_job {
485	eval {	646	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	647	};
495	}	648	}
496		649
497	sub db_get($$) {	650	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
499		652
…		…
549	if (1) {	702	if (1) {
550	$md5 =	703	$md5 =
551	join "\x00",	704	join "\x00",
552	$processversion,	705	$processversion,
553	map {	706	map {
554	Coro::cede;	707	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	709	} 0.. $#$src;
557		710
558		711
559	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
597		750
598	#############################################################################	751	#############################################################################
599		752
600	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
601		754
602	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
605		758
606	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	761	Deliantra).
609		762
610	=over 4	763	=over 4
611		764
612	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
613		766
…		…
657	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
658		811
659	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
661		814
662	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
664		817
665	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
666		819
667	=over 4	820	=over 4
…		…
865	";	1018	";
866	die if $@;	1019	die if $@;
867	}	1020	}
868		1021
869	our $override;	1022	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1024
872	sub override {	1025	sub override {
873	$override = 1;	1026	$override = 1;
874	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
875	}	1028	}
876		1029
877	sub do_invoke {	1030	sub do_invoke {
878	my $event = shift;	1031	my $event = shift;
879	my $callbacks = shift;	1032	my $callbacks = shift;
880		1033
881	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
882		1035
883	local $override;	1036	local $override;
884		1037
885	for (@$callbacks) {	1038	for (@$callbacks) {
886	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
895	}	1048	}
896		1049
897	0	1050	0
898	}	1051	}
899		1052
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1054
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1056
904	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
905		1058
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1062
910	=back	1063	=back
911		1064
912	=cut	1065	=cut
913		1066
914	#############################################################################	1067	#############################################################################
915	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
916		1111
917	sub reattach {	1112	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1114	my ($obj) = @_;
920		1115
		1116	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1118
923	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
924		1120
925	@$registry = ();	1121	@$registry = ();
926		1122
…		…
941	cf::attachable->attach (	1137	cf::attachable->attach (
942	prio => -1000000,	1138	prio => -1000000,
943	on_instantiate => sub {	1139	on_instantiate => sub {
944	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
945		1141
946	$data = from_json $data;	1142	$data = decode_json $data;
947		1143
948	for (@$data) {	1144	for (@$data) {
949	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
950		1146
951	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1163	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
969		1165
970	sync_job {	1166	sync_job {
971	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
974		1171
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
979	close $fh;	1176	aio_close $fh;
980		1177
981	if (@$objs) {	1178	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
987	close $fh;	1184	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
989	}	1186	}
990	} else {	1187	} else {
991	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
992	}	1189	}
…		…
997	}	1194	}
998	} else {	1195	} else {
999	aio_unlink $filename;	1196	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1001	}	1198	}
1002	}	1199	};
1003	}	1200	}
1004		1201
1005	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
1007		1204
…		…
1019	or return;	1216	or return;
1020		1217
1021	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1220	or return;
		1221
1024	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
1025	}	1224	}
1026		1225
		1226	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1228	$decname, length $data, scalar @{$av || []};
		1229
1029	return ($data, $av);	1230	($data, $av)
1030	}	1231	}
1031		1232
1032	=head2 COMMAND CALLBACKS	1233	=head2 COMMAND CALLBACKS
1033		1234
1034	=over 4	1235	=over 4
…		…
1107	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
1108		1309
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1311
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
1117	} else {	1327	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1329	}
1120		1330
1121	cf::override;	1331	cf::override;
…		…
1148		1358
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1361
1152	$ext{source} =	1362	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1364	. "#line 1 \"$path\"\n{\n"
1155	. $source	1365	. $source
1156	. "\n};\n1";	1366	. "\n};\n1";
1157		1367
1158	$todo{$base} = \%ext;	1368	$todo{$base} = \%ext;
…		…
1174	my $msg = $@ ? "$v->{path}: $@\n"	1384	my $msg = $@ ? "$v->{path}: $@\n"
1175	: "$v->{base}: extension inactive.\n";	1385	: "$v->{base}: extension inactive.\n";
1176		1386
1177	if (exists $v->{meta}{mandatory}) {	1387	if (exists $v->{meta}{mandatory}) {
1178	warn $msg;	1388	warn $msg;
1179	warn "mandatory extension failed to load, exiting.\n";	1389	cf::cleanup "mandatory extension failed to load, exiting.";
1180	exit 1;
1181	}	1390	}
1182		1391
1183	warn $msg;	1392	warn $msg;
1184	}	1393	}
1185		1394
…		…
1199		1408
1200	=back	1409	=back
1201		1410
1202	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
1203		1412
1204	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
1205		1414
1206	=cut	1415	=cut
1207		1416
1208	package cf::player;	1417	package cf::player;
1209		1418
1210	use Coro::AIO;	1419	use Coro::AIO;
1211		1420
1212	=head3 cf::player	1421	=head3 cf::player
1213		1422
1214	=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	}
1215		1438
1216	=item cf::player::find $login	1439	=item cf::player::find $login
1217		1440
1218	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1219		1442
…		…
1238		1461
1239	sub exists($) {	1462	sub exists($) {
1240	my ($login) = @_;	1463	my ($login) = @_;
1241		1464
1242	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1244	}	1467	}
1245		1468
1246	sub find($) {	1469	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1471	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1482
1260	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1263	}	1492	}
1264	}	1493	}
1265	}	1494	}
1266		1495
…		…
1275	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1276		1505
1277	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1279		1508
		1509	cf::get_slot 0.01;
		1510
1280	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1281	Coro::cede;	1512	cf::cede_to_tick;
1282	}	1513	}
1283		1514
1284	sub new($) {	1515	sub new($) {
1285	my ($login) = @_;	1516	my ($login) = @_;
1286		1517
…		…
1292	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1293		1524
1294	$self	1525	$self
1295	}	1526	}
1296		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
1297	=item $pl->quit_character	1538	=item $pl->quit_character
1298		1539
1299	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
1300	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1301		1542
…		…
1305	my ($pl) = @_;	1546	my ($pl) = @_;
1306		1547
1307	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1308		1549
1309	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1310	$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
1311		1552
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1316		1559
1317	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1597	or return [];
1355		1598
1356	my @logins;	1599	my @logins;
1357		1600
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1362		1611
1363	utf8::decode $login;	1612	utf8::decode $login;
1364	push @logins, $login;	1613	push @logins, $login;
1365	}	1614	}
1366		1615
…		…
1393	}	1642	}
1394		1643
1395	\@paths	1644	\@paths
1396	}	1645	}
1397		1646
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1648
1400	Expand crossfire pod fragments into protocol xml.	1649	Expand deliantra pod fragments into protocol xml.
1401		1650
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1449		1652
1450	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1451		1654
1452	=cut	1655	=cut
1453		1656
1454	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1456		1659
1457	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1661	}
1460		1662
1461	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1462		1664
1463	Sends an ext event to the client.	1665	Sends an ext event to the client.
1464		1666
1465	=cut	1667	=cut
1466		1668
1467	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1469		1671
1470	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1471	}	1673	}
1472		1674
1473	=head3 cf::region	1675	=head3 cf::region
1474		1676
1475	=over 4	1677	=over 4
…		…
1488	my ($path) = @_;	1690	my ($path) = @_;
1489		1691
1490	my ($match, $specificity);	1692	my ($match, $specificity);
1491		1693
1492	for my $region (list) {	1694	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1695	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1696	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1697	if $region->specificity > $specificity;
1496	}	1698	}
1497	}	1699	}
1498		1700
…		…
1519	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1521		1723
1522	sub generate_random_map {	1724	sub generate_random_map {
1523	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
1524	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1730	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1618	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1619	return $self;	1824	return $self;
1620	}	1825	}
1621	}	1826	}
1622		1827
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1829	()
1625	}	1830	}
1626		1831
1627	sub init {	1832	sub init {
1628	my ($self) = @_;	1833	my ($self) = @_;
…		…
1650		1855
1651	# the temporary/swap location	1856	# the temporary/swap location
1652	sub save_path {	1857	sub save_path {
1653	my ($self) = @_;	1858	my ($self) = @_;
1654		1859
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1657	}	1862	}
1658		1863
1659	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1660	sub uniq_path {	1865	sub uniq_path {
1661	my ($self) = @_;	1866	my ($self) = @_;
1662		1867
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1665	}	1870	}
1666		1871
1667	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1668	# all maps in C++...	1873	# all maps in C++...
…		…
1691		1896
1692	sub load_header_from($) {	1897	sub load_header_from($) {
1693	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1694		1899
1695	utf8::encode $path;	1900	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	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;
1701		1909
1702	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1703		1911
1704	1	1912	1
1705	}	1913	}
…		…
1759	sub find {	1967	sub find {
1760	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1761		1969
1762	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1763		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1765		1974
1766	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1767	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1768	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1769	or return;	1980	or return;
1770		1981
1771	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1772		1983
…		…
1774	or return;	1985	or return;
1775		1986
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1779	$map->reset;	1992	$map->reset;
1780	undef $guard;
1781	return find $path;	1993	return find $path;
1782	}	1994	}
1783		1995
1784	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1785	}	1997	}
…		…
1794	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1795		2007
1796	my $path = $self->{path};	2008	my $path = $self->{path};
1797		2009
1798	{	2010	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1800		2012
		2013	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2015
1803	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1804		2017
1805	$self->alloc;	2018	$self->alloc;
1806		2019
1807	$self->pre_load;	2020	$self->pre_load;
1808	Coro::cede;	2021	cf::cede_to_tick;
1809		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1811	or return;	2026	or return;
1812		2027
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1814	if delete $self->{load_original};	2029	if delete $self->{load_original};
1815		2030
1816	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2032	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2035	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1821	}	2039	}
1822	}	2040	}
1823		2041
1824	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1825	# now do the right thing for maps	2045	# now do the right thing for maps
1826	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2048	unless $self->difficulty;
1829	Coro::cede;	2049	cf::cede_to_tick;
1830		2050
1831	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2052	$self->decay_objects;
1833	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1834	$self->update_buttons;	2054	$self->update_buttons;
1835	Coro::cede;	2055	cf::cede_to_tick;
1836	$self->set_darkness_map;	2056	$self->set_darkness_map;
1837	Coro::cede;	2057	cf::cede_to_tick;
1838	$self->activate;	2058	$self->activate;
1839	}	2059	}
1840		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2065	}
1843		2066
1844	$self->post_load;	2067	$self->post_load;
1845	}	2068	}
1846		2069
…		…
1855		2078
1856	$self	2079	$self
1857	}	2080	}
1858		2081
1859	# 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
1860	sub load_diag {	2083	sub load_neighbours {
1861	my ($map) = @_;	2084	my ($map) = @_;
1862		2085
1863	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1864		2087
1865	for (0 .. 3) {	2088	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1867	or next;	2090	or next;
1868	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1869	or next;	2092	or next;
1870	$neigh->load;	2093	$neigh->load;
1871		2094
		2095	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2098	}
1875		2099
1876	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1878	or next;	2103	or next;
1879	$neigh->load;	2104	$neigh->load;
1880	}	2105	}
1881	}	2106	}
1882		2107
…		…
1887	}	2112	}
1888		2113
1889	sub do_load_sync {	2114	sub do_load_sync {
1890	my ($map) = @_;	2115	my ($map) = @_;
1891		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1892	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1893	}	2121	}
1894		2122
1895	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1897		2125
1898	sub find_async {	2126	sub find_async {
1899	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1900		2128
1901	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1902		2130
1903	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2133	}
1906		2134
1907	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1908	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1909	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2142	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2143	$map->load if $v;
		2144	}
1914		2145
1915	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1916	}	2147	}
1917	}	2148	}
1918	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1919	};	2150	};
1920	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2154	}
1924		2155
1925	sub save {	2156	sub save {
1926	my ($self) = @_;	2157	my ($self) = @_;
1927		2158
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2160
1930	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1931		2162
1932	return unless $self->dirty;	2163	return unless $self->dirty;
1933		2164
…		…
1939	return if $self->{deny_save};	2170	return if $self->{deny_save};
1940		2171
1941	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1942		2173
1943	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1945	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1946		2180
1947	if ($uniq) {	2181	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2184	} else {
…		…
1956	my ($self) = @_;	2190	my ($self) = @_;
1957		2191
1958	# save first because save cedes	2192	# save first because save cedes
1959	$self->save;	2193	$self->save;
1960		2194
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2196
1963	return if $self->players;	2197	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1965	return if $self->{deny_save};	2199	return if $self->{deny_save};
1966		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2205	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2206	}
1970		2207
1971	sub reset_at {	2208	sub reset_at {
1972	my ($self) = @_;	2209	my ($self) = @_;
1973		2210
…		…
2005	if $uniq;	2242	if $uniq;
2006	}	2243	}
2007		2244
2008	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
2009		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2249	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2250
2014	$self->unlink_save;	2251	$self->unlink_save;
2015	$self->destroy;	2252	$self->destroy;
2016	}	2253	}
2017		2254
2018	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
2019		2256
2020	sub nuke {	2257	sub nuke {
2021	my ($self) = @_;	2258	my ($self) = @_;
2022		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
2023	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
2024		2264
2025	$self->unlink_save;	2265	$self->unlink_save;
2026		2266
2027	bless $self, "cf::map";	2267	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2272
2033	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
2034		2275
2035	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
2036	}	2277	}
2037		2278
2038	=item $maps = cf::map::tmp_maps	2279	=item $maps = cf::map::tmp_maps
…		…
2080		2321
2081	sub unique_maps() {	2322	sub unique_maps() {
2082	[	2323	[
2083	map {	2324	map {
2084	utf8::decode $_;	2325	utf8::decode $_;
2085	/\.map$/	2326	s/\.map$//; # TODO future compatibility hack
		2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2328	? ()
2086	? normalise $_	2329	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2330	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2331	]
2090	}	2332	}
2091		2333
2092	package cf;
2093
2094	=back	2334	=back
2095		2335
2096	=head3 cf::object	2336	=head3 cf::object
2097		2337
2098	=cut	2338	=cut
…		…
2101		2341
2102	=over 4	2342	=over 4
2103		2343
2104	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
2105		2345
2106	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.
2107		2348
2108	=cut	2349	=cut
2109		2350
2110	sub inv_recursive_;	2351	sub inv_recursive_;
2111	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
2114		2355
2115	sub inv_recursive {	2356	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
2117	}	2358	}
2118		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
2119	package cf;	2388	package cf;
2120		2389
2121	=back	2390	=back
2122		2391
2123	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
2129	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>
2130	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
2131	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
2132		2401
2133	=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	};
2134		2417
2135	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2419	# with dialog boxes.
2137	#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
2138	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
2145		2428
2146	} else {	2429	} else {
2147	my $pl = $self->contr;	2430	my $pl = $self->contr;
2148		2431
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2433	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2435
2158	} else {	2436	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2439	}
2162	}	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 (@_);
2163	}	2451	}
2164		2452
2165	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
2166		2454
2167	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
2180		2468
2181	=item $player_object->enter_link	2469	=item $player_object->enter_link
2182		2470
2183	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}>).
2184		2472
2185	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.
2186	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.
2187		2477
2188	Will never block.	2478	Will never block.
2189		2479
2190	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
2191		2481
…		…
2246	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
2249		2539
2250	$map->load;	2540	$map->load;
2251	$map->load_diag;	2541	$map->load_neighbours;
2252		2542
2253	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2254	$self->activate_recursive;	2545	$self->activate_recursive;
2255		2546
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
2258	}	2549	}
2259		2550
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2552
2262	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
2263	her, loading and preparing them map, calling the provided $check callback	2554	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2555	that has to return the map if sucecssful, and then unfreezes the player on
2265	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 >>.
2266		2561
2267	=cut	2562	=cut
2268		2563
2269	our $GOTOGEN;	2564	our $GOTOGEN;
2270		2565
2271	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2568
2274	# 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
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2571
2277	$self->enter_link;	2572	$self->enter_link;
2278		2573
2279	(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
2280	my $map = eval {	2596	my $map = eval {
2281	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
2282		2598
2283	if ($map) {	2599	if ($map) {
2284	$map = $map->customise_for ($self);	2600	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2601	$map = $check->($map) if $check && $map;
2286	} else {	2602	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2604	}
2289		2605
2290	$map	2606	$map
2291	};	2607	};
2292		2608
…		…
2297		2613
2298	if ($gen == $self->{_goto_generation}) {	2614	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2615	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
2301	}	2617	}
		2618
		2619	$done->() if $done;
2302	})->prio (1);	2620	})->prio (1);
2303	}	2621	}
2304		2622
2305	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
2306		2624
…		…
2326	}	2644	}
2327		2645
2328	sub prepare_random_map {	2646	sub prepare_random_map {
2329	my ($exit) = @_;	2647	my ($exit) = @_;
2330		2648
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2651	# that depends on the exit object
2336		2652
2337	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2655	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2344	}	2662	}
2345		2663
2346	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2347		2665
2348	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2351		2669
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2672	undef $fh;
2355	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2356		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2359	}	2681	}
2360	}	2682	}
2361		2683
2362	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2364		2686
2365	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2366		2688
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2689	$self->enter_link;
2379		2690
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2691	(async {
2385	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2386	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
2387	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2388		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
2389	1;	2715	1
2390	}) {	2716	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "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. "
2393	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2721
2396	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2415		2741
2416	utf8::encode $text;	2742	utf8::encode $text;
2417	$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);
2418	}	2744	}
2419		2745
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2747
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2748	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2749	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2750	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2751	the message unless the client supports the msg packet.
2426		2752
2427	=cut	2753	=cut
2428		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
2429	sub cf::client::send_msg {	2819	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2820	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2821
2432	$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	}
2433		2846
2434	return unless @extra || length $msg;	2847	return unless @extra || length $msg;
2435		2848
2436	if ($self->can_msg) {	2849	if ($self->can_msg) {
2437	$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);
2438	} else {	2870	} else {
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448
2449	if ($color >= 0) {	2871	if ($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
2450	if (0 && $msg =~ /\[/) {	2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
2452	} else {	2889	} else {
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")	2891	$self->send_packet ("drawinfo $color $msg")
2455	}	2892	}
2456	}	2893	}
2457	}	2894	}
2458	}	2895	}
2459		2896
2460	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2461		2898
2462	Sends an ext event to the client.	2899	Sends an ext event to the client.
2463		2900
2464	=cut	2901	=cut
2465		2902
2466	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2468		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2470	$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	}
2471	}	2930	}
2472		2931
2473	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2474		2933
2475	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	2989	my ($ns, $buf) = @_;
2531		2990
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		2992
2534	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
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3001	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3002	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2541	} else {	3008	} else {
2542	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";
2543	}	3010	}
2544		3011
2545	cf::override;	3012	cf::override;
…		…
2592	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2594		3061
2595	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2596		3063
2597	$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	));
2598		3069
2599	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2600		3071
2601	=pod	3072	=pod
2602		3073
2603	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2604		3075
2605	cf::object	3076	cf::object
2606	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
2607	insert remove	3078	insert remove name archname title slaying race decrease split
2608		3079
2609	cf::object::player	3080	cf::object::player
2610	player	3081	player
2611		3082
2612	cf::player	3083	cf::player
…		…
2617		3088
2618	=cut	3089	=cut
2619		3090
2620	for (	3091	for (
2621	["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
2622	insert remove)],	3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2623	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2625	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2626	) {	3098	) {
2627	no strict 'refs';	3099	no strict 'refs';
…		…
2703	# the server's init and main functions	3175	# the server's init and main functions
2704		3176
2705	sub load_facedata($) {	3177	sub load_facedata($) {
2706	my ($path) = @_;	3178	my ($path) = @_;
2707		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
2708	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2709		3187
2710	my $facedata;	3188	my $facedata;
2711	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3190	or die "$path: $!";
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2715		3193
2716	$facedata->{version} == 2	3194	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		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
2719	{	3204	{
2720	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2721		3206
2722	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727	Coro::cede;	3214
		3215	cf::cede_to_tick;
2728	}	3216	}
2729		3217
2730	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2732	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2733	or next;	3222	or next;
		3223
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3227	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3229	}
2739	Coro::cede;	3230
		3231	cf::cede_to_tick;
2740	}	3232	}
2741	}	3233	}
2742		3234
2743	{	3235	{
2744	my $anims = $facedata->{animinfo};	3236	my $anims = $facedata->{animinfo};
2745		3237
2746	while (my ($anim, $info) = each %$anims) {	3238	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3240	cf::cede_to_tick;
2749	}	3241	}
2750		3242
2751	cf::anim::invalidate_all; # d'oh	3243	cf::anim::invalidate_all; # d'oh
2752	}	3244	}
2753		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
2754	1	3281	1
2755	}	3282	}
2756		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
2757	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
2758	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2759	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	}
2760	}	3334	}
2761		3335
2762	sub reload_facedata {	3336	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3337	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3338	or die "unable to load facedata\n";
2765	}	3339	}
2766		3340
2767	sub reload_archetypes {	3341	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3342	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3343	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3344	}
2776		3345
2777	sub reload_treasures {	3346	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3347	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
2780	}	3349	}
2781		3350
2782	sub reload_resources {	3351	sub reload_resources {
2783	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2784		3353
		3354	reload_facedata;
		3355	reload_archetypes;
2785	reload_regions;	3356	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3357	reload_treasures;
2790		3358
2791	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2792	}	3360	}
2793		3361
2794	sub init {	3362	sub reload_config {
2795	reload_resources;
2796	}
2797
2798	sub cfg_load {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3364	or return;
2801		3365
2802	local $/;	3366	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2804		3368
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3370
2807	$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};
2808	$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};
…		…
2814	};	3378	};
2815	warn $@ if $@;	3379	warn $@ if $@;
2816	}	3380	}
2817	}	3381	}
2818		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
2819	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
2820	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2822	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#
2823	(async {	3421	(async {
2824	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2826	};	3425	};
2827		3426
2828	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2829	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
2830	load_extensions;	3445	load_extensions;
2831		3446
2832	$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
2833	Event::loop;	3455	EV::loop;
2834	}	3456	}
2835		3457
2836	#############################################################################	3458	#############################################################################
2837	# initialisation and cleanup	3459	# initialisation and cleanup
2838		3460
2839	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2840	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2849	},
2850	);	3467	};
2851	}	3468	}
2852	}	3469	}
2853		3470
2854	sub write_runtime {	3471	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";
2856
2857	# first touch the runtime file to show we are still running:	3472	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3473	# the fsync below can take a very very long time.
2859		3474
2860	IO::AIO::aio_utime $runtime, undef, undef;	3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3476
2862	my $guard = cf::lock_acquire "write_runtime";	3477	my $guard = cf::lock_acquire "write_runtime";
2863		3478
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2865	or return;	3480	or return;
2866		3481
2867	my $value = $cf::RUNTIME + 90 + 10;	3482	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3483	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3484	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3494	aio_utime $fh, undef, undef;
2880		3495
2881	close $fh	3496	close $fh
2882	or return;	3497	or return;
2883		3498
2884	aio_rename "$runtime~", $runtime	3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3500	and return;
2886		3501
2887	warn "runtime file written.\n";	3502	warn "runtime file written.\n";
2888		3503
2889	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($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2890	}	3555	}
2891		3556
2892	sub emergency_save() {	3557	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2894		3559
…		…
2900	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2902	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3571	$pl->save;
2906	}	3572	}
2907	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2908		3574
2909	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2915	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2916		3582
2917	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2920	};	3590	};
2921		3591
2922	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2923	}	3593	}
2924		3594
2925	sub post_cleanup {	3595	sub post_cleanup {
2926	my ($make_core) = @_;	3596	my ($make_core) = @_;
2927		3597
2928	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		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 $pkg\n";#d#
2930	}	3629	}
2931		3630
2932	sub do_reload_perl() {	3631	sub do_reload_perl() {
2933	# can/must only be called in main	3632	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2935	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2936	return;	3635	return;
2937	}	3636	}
2938		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2939	warn "reloading...";	3641	warn "reloading...";
2940		3642
2941	warn "entering sync_job";	3643	warn "entering sync_job";
2942		3644
2943	cf::sync_job {	3645	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2945	cf::emergency_save;	3647	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2947		3649
2948	warn "syncing database to disk";	3650	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3652
2951	# 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
2952		3654
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2964	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();
2972
2973	warn "removing commands";
2974	%COMMAND = ();
2975
2976	warn "removing ext/exti commands";
2977	%EXTCMD = ();
2978	%EXTICMD = ();
2979
2980	warn "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";
2983
2984	if (my $cb = $pkg->can ("unload")) {
2985	eval {
2986	$cb->($pkg);
2987	1
2988	} or warn "$pkg unloaded, but with errors: $@";
2989	}	3658	}
2990		3659
2991	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2992	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2993	}	3662	%EXT_CORO = ();
2994		3663
2995	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2996	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2999	warn "... unloading $k";	3673	warn "... unloading $pkg";
3000	delete $INC{$k};
3001		3674
3002	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;
3004
3005	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
3006	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
3007	}	3684	}
3008		3685
3009	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 $k;
3010	}	3701	}
3011		3702
3012	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
3014	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);
3015		3706
3016	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
3019		3710
3020	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3712	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
3023		3714
3024	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
3025		3716
3026	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
3027	require cf;	3718	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029		3720
3030	warn "loading config and database again";	3721	warn "loading config and database again";
3031	cf::cfg_load;	3722	cf::reload_config;
3032		3723
3033	warn "loading extensions";	3724	warn "loading extensions";
3034	cf::load_extensions;	3725	cf::load_extensions;
3035		3726
3036	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
3042		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
3043	warn "leaving sync_job";	3737	warn "leaving sync_job";
3044		3738
3045	1	3739	1
3046	} or do {	3740	} or do {
3047	warn $@;	3741	warn $@;
3048	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3743	};
3051		3744
3052	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
3053	};	3748	};
3054		3749
3055	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
3056		3751
3057	sub reload_perl() {	3752	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
3060		3755
3061	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3062	reentrant => 0,
3063	after => 0,
3064	data => WF_AUTOCANCEL,
3065	cb => sub {
3066	do_reload_perl;	3757	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
3068	},
3069	);	3759	};
3070	}	3760	}
3071		3761
3072	register_command "reload" => sub {	3762	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
3074		3764
3075	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3769	reload_perl;
		3770	};
3078	}	3771	}
3079	};	3772	};
3080		3773
3081	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
3082		3775
…		…
3084		3777
3085	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
3087		3780
3088	sub wait_for_tick {	3781	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
3091		3783
3092	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3786	$signal->wait;
3095	}	3787	}
3096		3788
3097	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
3100		3791
3101	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3794	$signal->wait;
3104	}	3795	}
3105		3796
3106	my $min = 1e6;#d#	3797	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
3118	return;	3801	return;
3119	}	3802	}
3120		3803
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
3124		3805
3125	0 && sync_job {#d#	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	3808	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3809	$Coro::current->{desc} = "runtime saver";
3129	or die;	3810	write_runtime_sync
3130		3811	or warn "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	3812	};
		3813	}
3147		3814
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3816	$sig->send;
3164	}	3817	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3819	$sig->send;
3167	}	3820	}
3168		3821
3169	$NOW = Event::time;	3822	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3824
3180	_post_tick;	3825	if (0) {
3181		3826	if ($NEXT_TICK) {
3182		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
3183	},	3831	}
3184	);	3832	}
3185		3833
3186	{	3834	{
3187	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3836
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
3197		3838	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		3840
3213	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
3214	$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);
3215		3848
3216	cf::sync_job {	3849	cf::sync_job {
3217	eval {	3850	eval {
3218	BDB::db_env_open	3851	BDB::db_env_open
3219	$DB_ENV,	3852	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3856	0666;
3224		3857
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	3859	};
3230		3860
3231	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3862	};
3233	}	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	};
3234	}	3874	}
3235		3875
3236	{	3876	{
		3877	# configure IO::AIO
		3878
3237	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	3882	}
3250		3883
3251	my $_log_backtrace;	3884	my $_log_backtrace;
3252		3885
3253	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
3257		3890
3258	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
3261	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
3262	my @bt = fork_call {	3898	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	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 |"
3266	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
3274	}	3910	}
3275		3911
3276	@funcs	3912	@funcs
3277	};	3913	};
3278		3914
3279	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	3918	--$_log_backtrace;
3282	};	3919	};
3283	} else {	3920	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

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