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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 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
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
		50	use Coro::Util ();
24		51
25	use JSON::XS 1.4 ();	52	use JSON::XS 2.01 ();
26	use BDB ();	53	use BDB ();
27	use Data::Dumper;	54	use Data::Dumper;
28	use Digest::MD5;	55	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	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		75
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		77
50	our %COMMAND = ();	78	our %COMMAND = ();
51	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	82	our %EXTCMD = ();
55	our %EXTICMD = ();	83	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
58		86
59	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	88	our @EVENT;
61		89
62	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	91	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
73		105
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	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	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	108	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	114	our $DB_ENV;
84		115
85	our %CFG;	116	our %CFG;
86		117
87	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
89		121
90	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
93		125
94	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		128
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
100		137
101	binmode STDOUT;	138	binmode STDOUT;
102	binmode STDERR;	139	binmode STDERR;
103		140
104	# read virtual server time, if available	141	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
109	}	146	}
110		147
111	mkdir $_	148	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		194
158	The raw value load value from the last tick.	195	The raw value load value from the last tick.
159		196
160	=item %cf::CFG	197	=item %cf::CFG
161		198
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	200	from wherever your confdir points to.
164		201
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		203
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	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	205	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.	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
		213
171	=back	214	=back
172		215
173	=cut	216	=cut
174		217
175	BEGIN {	218	BEGIN {
…		…
179	$msg .= "\n"	222	$msg .= "\n"
180	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
181		224
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		226
184	utf8::encode $msg;
185	LOG llevError, $msg;	227	LOG llevError, $msg;
186	};	228	};
187	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
188		245
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	256	for my $pkg (qw(
200	cf::global cf::attachable	257	cf::global cf::attachable
201	cf::object cf::object::player	258	cf::object cf::object::player
202	cf::client cf::player	259	cf::client cf::player
203	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
204	cf::map cf::party cf::region	262	cf::party cf::region
205	)) {	263	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	265	}
209		266
210	$Event::DIED = sub {	267	$EV::DIED = sub {
211	warn "error in event callback: @_";	268	warn "error in event callback: @_";
212	};	269	};
213		270
214	#############################################################################	271	#############################################################################
215		272
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	296	$d
240	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
241	}	298	}
242		299
243	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
244		301
245	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
246		303
247	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
248		305
249	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
250		307
251	=cut	308	=cut
252		309
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		311
255	sub to_json ($) { $json_coder->encode ($_[0]) }	312	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
257		328
258	=item cf::lock_wait $string	329	=item cf::lock_wait $string
259		330
260	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
261		332
262	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
263		334
264	Wait until the given lock is available and then acquires it and returns	335	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,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
267	returned.	338	returned.
268		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
269	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
271		345
272	=item $locked = cf::lock_active $string	346	=item $locked = cf::lock_active $string
273		347
274	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
275		349
276	=cut	350	=cut
277		351
278	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
279		354
280	sub lock_wait($) {	355	sub lock_wait($) {
281	my ($key) = @_;	356	my ($key) = @_;
282		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
283	# wait for lock, if any	363	# wait for lock, if any
284	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
285	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	367	Coro::schedule;
287	}	368	}
288	}	369	}
289		370
…		…
292		373
293	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
294	lock_wait $key;	375	lock_wait $key;
295		376
296	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
297		379
298	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
301	}	384	}
302	}	385	}
303		386
…		…
306		389
307	! ! $LOCK{$key}	390	! ! $LOCK{$key}
308	}	391	}
309		392
310	sub freeze_mainloop {	393	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
312		395
313	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
315	};	457	}
316	$TICK_WATCHER->stop;	458	};
317	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
318	}	472	}
319		473
320	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
321		475
322	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		481
328	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
329		483
330	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
331		485
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	486	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	487	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	489	acceptable.
336		490
337	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		497
344	sub sync_job(&) {	498	sub sync_job(&) {
345	my ($job) = @_;	499	my ($job) = @_;
346		500
347	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	502	my $time = EV::time;
349		503
350	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
352		506
353	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	508
355	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
356		510
357	my $busy = 1;	511	my $busy = 1;
358	my @res;	512	my @res;
359		513
360	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	516	@res = eval { $job->() };
362	warn $@ if $@;	517	warn $@ if $@;
363	undef $busy;	518	undef $busy;
364	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
365		520
366	while ($busy) {	521	while ($busy) {
367	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
368	}	526	}
		527	}
369		528
370	$time = Event::time - $time;	529	my $time = EV::time - $time;
371		530
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	531	$TICK_START += $time; # do not account sync jobs to server load
376		532
377	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
378	} else {	534	} else {
379	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
380		536
…		…
405	=item fork_call { }, $args	561	=item fork_call { }, $args
406		562
407	Executes the given code block with the given arguments in a seperate	563	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	564	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	565	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	566	never block itself or use any form of event handling.
411		567
412	=cut	568	=cut
413		569
414	sub fork_call(&@) {	570	sub fork_call(&@) {
415	my ($cb, @args) = @_;	571	my ($cb, @args) = @_;
416		572
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	573	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	574	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	575	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		576
422	if (my $pid = fork) {	577	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	578	reset_signals;
436	local $SIG{__WARN__};	579	&$cb
437	local $SIG{__DIE__};	580	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		581
443	my @res = eval { $cb->(@args) };	582	wantarray ? @res : $res[-1]
		583	}
444		584
445	open my $fh, ">", \my $buf	585	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		586
450	warn "writing ", length $buf;	587	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		588
457	warn $@ if $@;	589	our %coin_alias = (
458	_exit 0;	590	"silver" => "silvercoin",
459	}	591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
460	}	610	}
461		611
462	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
463		613
464	Returns a single value from the environment database.	614	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	616	=item cf::db_put $family => $key => $value
467		617
468	Stores the given C<$value> in the family. It can currently store binary	618	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
471	=cut	626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
472		644
473	our $DB;	645	our $DB;
474		646
475	sub db_init {	647	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	648	cf::sync_job {
480	eval {	649	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	650	};
490	}	651	}
491		652
492	sub db_get($$) {	653	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	654	my $key = "$_[0]/$_[1]";
494		655
…		…
544	if (1) {	705	if (1) {
545	$md5 =	706	$md5 =
546	join "\x00",	707	join "\x00",
547	$processversion,	708	$processversion,
548	map {	709	map {
549	Coro::cede;	710	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	711	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	712	} 0.. $#$src;
552		713
553		714
554	my $dbmd5 = db_get cache => "$id/md5";	715	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		753
593	#############################################################################	754	#############################################################################
594		755
595	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
596		757
597	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
600		761
601	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	764	Deliantra).
604		765
605	=over 4	766	=over 4
606		767
607	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
608		769
…		…
652	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
653		814
654	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
656		817
657	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
659		820
660	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
661		822
662	=over 4	823	=over 4
…		…
860	";	1021	";
861	die if $@;	1022	die if $@;
862	}	1023	}
863		1024
864	our $override;	1025	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1027
867	sub override {	1028	sub override {
868	$override = 1;	1029	$override = 1;
869	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
870	}	1031	}
871		1032
872	sub do_invoke {	1033	sub do_invoke {
873	my $event = shift;	1034	my $event = shift;
874	my $callbacks = shift;	1035	my $callbacks = shift;
875		1036
876	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
877		1038
878	local $override;	1039	local $override;
879		1040
880	for (@$callbacks) {	1041	for (@$callbacks) {
881	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
890	}	1051	}
891		1052
892	0	1053	0
893	}	1054	}
894		1055
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1057
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1059
899	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
900		1061
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1065
905	=back	1066	=back
906		1067
907	=cut	1068	=cut
908		1069
909	#############################################################################	1070	#############################################################################
910	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
911		1114
912	sub reattach {	1115	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1117	my ($obj) = @_;
915		1118
		1119	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1121
918	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
919		1123
920	@$registry = ();	1124	@$registry = ();
921		1125
…		…
936	cf::attachable->attach (	1140	cf::attachable->attach (
937	prio => -1000000,	1141	prio => -1000000,
938	on_instantiate => sub {	1142	on_instantiate => sub {
939	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
940		1144
941	$data = from_json $data;	1145	$data = decode_json $data;
942		1146
943	for (@$data) {	1147	for (@$data) {
944	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
945		1149
946	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1166	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
964		1168
965	sync_job {	1169	sync_job {
966	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
969		1174
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
974	close $fh;	1179	aio_close $fh;
975		1180
976	if (@$objs) {	1181	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
982	close $fh;	1187	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
984	}	1189	}
985	} else {	1190	} else {
986	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
987	}	1192	}
988		1193
989	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1198	} else {
991	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
992	}	1200	}
993	} else {	1201	} else {
994	aio_unlink $filename;	1202	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
996	}	1204	}
997	}	1205	};
998	}	1206	}
999		1207
1000	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
1002		1210
…		…
1014	or return;	1222	or return;
1015		1223
1016	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1226	or return;
		1227
1019	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
1020	}	1230	}
1021		1231
		1232	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1234	$decname, length $data, scalar @{$av || []};
		1235
1024	return ($data, $av);	1236	($data, $av)
1025	}	1237	}
1026		1238
1027	=head2 COMMAND CALLBACKS	1239	=head2 COMMAND CALLBACKS
1028		1240
1029	=over 4	1241	=over 4
…		…
1083	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1084		1296
1085	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1086	}	1298	}
1087		1299
		1300	use File::Glob ();
		1301
1088	cf::player->attach (	1302	cf::player->attach (
1089	on_command => sub {	1303	on_command => sub {
1090	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1091		1305
1092	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1102	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
1103		1317
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1319
1106	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
1112	} else {	1335	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1337	}
1115		1338
1116	cf::override;	1339	cf::override;
1117	},	1340	},
1118	);	1341	);
		1342
		1343	# "readahead" all extensions
		1344	sub cache_extensions {
		1345	my $grp = IO::AIO::aio_group;
		1346
		1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1348	for (grep /\.ext$/, @{$_[0]}) {
		1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1350	}
		1351	};
		1352
		1353	$grp
		1354	}
1119		1355
1120	sub load_extensions {	1356	sub load_extensions {
1121	cf::sync_job {	1357	cf::sync_job {
1122	my %todo;	1358	my %todo;
1123		1359
…		…
1143		1379
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1382
1147	$ext{source} =	1383	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1150	. $source	1386	. $source
1151	. "\n};\n1";	1387	. "\n};\n1";
1152		1388
1153	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1169	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1170	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1171		1407
1172	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1173	warn $msg;	1409	warn $msg;
1174	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1175	exit 1;
1176	}	1411	}
1177		1412
1178	warn $msg;	1413	warn $msg;
1179	}	1414	}
1180		1415
…		…
1194		1429
1195	=back	1430	=back
1196		1431
1197	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1198		1433
1199	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1200		1435
1201	=cut	1436	=cut
1202		1437
1203	package cf::player;	1438	package cf::player;
1204		1439
1205	use Coro::AIO;	1440	use Coro::AIO;
1206		1441
1207	=head3 cf::player	1442	=head3 cf::player
1208		1443
1209	=over 4	1444	=over 4
		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
1210		1459
1211	=item cf::player::find $login	1460	=item cf::player::find $login
1212		1461
1213	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1214		1463
…		…
1233		1482
1234	sub exists($) {	1483	sub exists($) {
1235	my ($login) = @_;	1484	my ($login) = @_;
1236		1485
1237	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1239	}	1488	}
1240		1489
1241	sub find($) {	1490	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1492	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1503
1255	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1258	}	1513	}
1259	}	1514	}
1260	}	1515	}
1261		1516
…		…
1270	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1271		1526
1272	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1274		1529
		1530	cf::get_slot 0.01;
		1531
1275	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1276	Coro::cede;	1533	cf::cede_to_tick;
1277	}	1534	}
1278		1535
1279	sub new($) {	1536	sub new($) {
1280	my ($login) = @_;	1537	my ($login) = @_;
1281		1538
…		…
1287	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1288		1545
1289	$self	1546	$self
1290	}	1547	}
1291		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1292	=item $pl->quit_character	1559	=item $pl->quit_character
1293		1560
1294	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1296		1563
…		…
1300	my ($pl) = @_;	1567	my ($pl) = @_;
1301		1568
1302	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1303		1570
1304	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1573
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1311		1580
1312	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1618	or return [];
1350		1619
1351	my @logins;	1620	my @logins;
1352		1621
1353	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1357		1632
1358	utf8::decode $login;	1633	utf8::decode $login;
1359	push @logins, $login;	1634	push @logins, $login;
1360	}	1635	}
1361		1636
…		…
1388	}	1663	}
1389		1664
1390	\@paths	1665	\@paths
1391	}	1666	}
1392		1667
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1669
1395	Expand crossfire pod fragments into protocol xml.	1670	Expand deliantra pod fragments into protocol xml.
1396		1671
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1444		1673
1445	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1446		1675
1447	=cut	1676	=cut
1448		1677
1449	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1451		1680
1452	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1682	}
1455		1683
1456	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1457		1685
1458	Sends an ext event to the client.	1686	Sends an ext event to the client.
1459		1687
1460	=cut	1688	=cut
1461		1689
1462	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1464		1692
1465	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1466	}	1694	}
1467		1695
1468	=head3 cf::region	1696	=head3 cf::region
1469		1697
1470	=over 4	1698	=over 4
…		…
1483	my ($path) = @_;	1711	my ($path) = @_;
1484		1712
1485	my ($match, $specificity);	1713	my ($match, $specificity);
1486		1714
1487	for my $region (list) {	1715	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1716	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1717	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1718	if $region->specificity > $specificity;
1491	}	1719	}
1492	}	1720	}
1493		1721
…		…
1514	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1516		1744
1517	sub generate_random_map {	1745	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1519	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1751	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1613	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1614	return $self;	1845	return $self;
1615	}	1846	}
1616	}	1847	}
1617		1848
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1850	()
1620	}	1851	}
1621		1852
1622	sub init {	1853	sub init {
1623	my ($self) = @_;	1854	my ($self) = @_;
…		…
1645		1876
1646	# the temporary/swap location	1877	# the temporary/swap location
1647	sub save_path {	1878	sub save_path {
1648	my ($self) = @_;	1879	my ($self) = @_;
1649		1880
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1652	}	1883	}
1653		1884
1654	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1655	sub uniq_path {	1886	sub uniq_path {
1656	my ($self) = @_;	1887	my ($self) = @_;
1657		1888
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1660	}	1891	}
1661		1892
1662	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1663	# all maps in C++...	1894	# all maps in C++...
…		…
1686		1917
1687	sub load_header_from($) {	1918	sub load_header_from($) {
1688	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1689		1920
1690	utf8::encode $path;	1921	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1696		1930
1697	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1698		1932
1699	1	1933	1
1700	}	1934	}
…		…
1754	sub find {	1988	sub find {
1755	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1756		1990
1757	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1758		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1760		1995
1761	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1762	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1763	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1764	or return;	2001	or return;
1765		2002
1766	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1767		2004
…		…
1769	or return;	2006	or return;
1770		2007
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1774	$map->reset;	2013	$map->reset;
1775	undef $guard;
1776	return find $path;	2014	return find $path;
1777	}	2015	}
1778		2016
1779	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1780	}	2018	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1790		2028
1791	my $path = $self->{path};	2029	my $path = $self->{path};
1792		2030
1793	{	2031	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1795		2033
		2034	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2036
1798	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1799		2038
1800	$self->alloc;	2039	$self->alloc;
1801		2040
1802	$self->pre_load;	2041	$self->pre_load;
1803	Coro::cede;	2042	cf::cede_to_tick;
1804		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1806	or return;	2047	or return;
1807		2048
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1809	if delete $self->{load_original};	2050	if delete $self->{load_original};
1810		2051
1811	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2053	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2056	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1816	}	2060	}
1817	}	2061	}
1818		2062
1819	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1820	# now do the right thing for maps	2066	# now do the right thing for maps
1821	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2069	unless $self->difficulty;
1824	Coro::cede;	2070	cf::cede_to_tick;
1825		2071
1826	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2073	$self->decay_objects;
1828	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1829	$self->update_buttons;	2075	$self->update_buttons;
1830	Coro::cede;	2076	cf::cede_to_tick;
1831	$self->set_darkness_map;	2077	$self->set_darkness_map;
1832	Coro::cede;	2078	cf::cede_to_tick;
1833	$self->activate;	2079	$self->activate;
1834	}	2080	}
1835		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2086	}
1838		2087
1839	$self->post_load;	2088	$self->post_load;
1840	}	2089	}
1841		2090
…		…
1850		2099
1851	$self	2100	$self
1852	}	2101	}
1853		2102
1854	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2104	sub load_neighbours {
1856	my ($map) = @_;	2105	my ($map) = @_;
1857		2106
1858	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1859		2108
1860	for (0 .. 3) {	2109	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1862	or next;	2111	or next;
1863	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1864	or next;	2113	or next;
1865	$neigh->load;	2114	$neigh->load;
1866		2115
		2116	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2119	}
1870		2120
1871	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1873	or next;	2124	or next;
1874	$neigh->load;	2125	$neigh->load;
1875	}	2126	}
1876	}	2127	}
1877		2128
…		…
1882	}	2133	}
1883		2134
1884	sub do_load_sync {	2135	sub do_load_sync {
1885	my ($map) = @_;	2136	my ($map) = @_;
1886		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1887	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1888	}	2142	}
1889		2143
1890	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1892		2146
1893	sub find_async {	2147	sub find_async {
1894	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1895		2149
1896	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1897		2151
1898	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2154	}
1901		2155
1902	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1903	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1904	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2163	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2164	$map->load if $v;
		2165	}
1909		2166
1910	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1911	}	2168	}
1912	}	2169	}
1913	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1914	};	2171	};
1915	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2175	}
1919		2176
1920	sub save {	2177	sub save {
1921	my ($self) = @_;	2178	my ($self) = @_;
1922		2179
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2181
1925	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1926		2183
1927	return unless $self->dirty;	2184	return unless $self->dirty;
1928		2185
…		…
1934	return if $self->{deny_save};	2191	return if $self->{deny_save};
1935		2192
1936	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1937		2194
1938	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1940	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1941		2201
1942	if ($uniq) {	2202	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2205	} else {
…		…
1951	my ($self) = @_;	2211	my ($self) = @_;
1952		2212
1953	# save first because save cedes	2213	# save first because save cedes
1954	$self->save;	2214	$self->save;
1955		2215
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2217
1958	return if $self->players;	2218	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2220	return if $self->{deny_save};
1961		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2226	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2227	}
1965		2228
1966	sub reset_at {	2229	sub reset_at {
1967	my ($self) = @_;	2230	my ($self) = @_;
1968		2231
…		…
2000	if $uniq;	2263	if $uniq;
2001	}	2264	}
2002		2265
2003	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
2004		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2270	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2271
2009	$self->unlink_save;	2272	$self->unlink_save;
2010	$self->destroy;	2273	$self->destroy;
2011	}	2274	}
2012		2275
2013	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
2014		2277
2015	sub nuke {	2278	sub nuke {
2016	my ($self) = @_;	2279	my ($self) = @_;
2017		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
2018	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
2019		2285
2020	$self->unlink_save;	2286	$self->unlink_save;
2021		2287
2022	bless $self, "cf::map";	2288	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2293
2028	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
2029		2296
2030	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
2031	}	2298	}
2032		2299
2033	=item $maps = cf::map::tmp_maps	2300	=item $maps = cf::map::tmp_maps
…		…
2075		2342
2076	sub unique_maps() {	2343	sub unique_maps() {
2077	[	2344	[
2078	map {	2345	map {
2079	utf8::decode $_;	2346	utf8::decode $_;
2080	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2081	? normalise $_	2350	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2352	]
2085	}	2353	}
2086		2354
2087	package cf;
2088
2089	=back	2355	=back
2090		2356
2091	=head3 cf::object	2357	=head3 cf::object
2092		2358
2093	=cut	2359	=cut
…		…
2096		2362
2097	=over 4	2363	=over 4
2098		2364
2099	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2100		2366
2101	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
2102		2369
2103	=cut	2370	=cut
2104		2371
2105	sub inv_recursive_;	2372	sub inv_recursive_;
2106	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2109		2376
2110	sub inv_recursive {	2377	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2112	}	2379	}
2113		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
2114	package cf;	2409	package cf;
2115		2410
2116	=back	2411	=back
2117		2412
2118	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2127		2422
2128	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
2129		2438
2130	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2440	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
2140		2449
2141	} else {	2450	} else {
2142	my $pl = $self->contr;	2451	my $pl = $self->contr;
2143		2452
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2456
2153	} else {	2457	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2460	}
2157	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
2158	}	2472	}
2159		2473
2160	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
2161		2475
2162	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
2175		2489
2176	=item $player_object->enter_link	2490	=item $player_object->enter_link
2177		2491
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2493
2180	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
2182		2498
2183	Will never block.	2499	Will never block.
2184		2500
2185	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2186		2502
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
2244		2560
2245	$map->load;	2561	$map->load;
2246	$map->load_diag;	2562	$map->load_neighbours;
2247		2563
2248	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2249	$self->activate_recursive;	2566	$self->activate_recursive;
2250		2567
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2253	}	2570	}
2254		2571
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2573
2257	Moves the player to the given map-path and coordinates by first freezing	2574	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2576	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2577	the new (success) or old (failed) map position. In either case, $done will
		2578	be called at the end of this process.
		2579
		2580	Note that $check will be called with a potentially non-loaded map, so if
		2581	it needs a loaded map it has to call C<< ->load >>.
2261		2582
2262	=cut	2583	=cut
2263		2584
2264	our $GOTOGEN;	2585	our $GOTOGEN;
2265		2586
2266	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2589
2269	# do generation counting so two concurrent goto's will be executed in-order	2590	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2592
2272	$self->enter_link;	2593	$self->enter_link;
2273		2594
2274	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
2275	my $map = eval {	2617	my $map = eval {
2276	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
2277		2619
2278	if ($map) {	2620	if ($map) {
2279	$map = $map->customise_for ($self);	2621	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2622	$map = $check->($map) if $check && $map;
2281	} else {	2623	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2625	}
2284		2626
2285	$map	2627	$map
2286	};	2628	};
2287		2629
…		…
2292		2634
2293	if ($gen == $self->{_goto_generation}) {	2635	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2636	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
2296	}	2638	}
		2639
		2640	$done->() if $done;
2297	})->prio (1);	2641	})->prio (1);
2298	}	2642	}
2299		2643
2300	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
2301		2645
…		…
2321	}	2665	}
2322		2666
2323	sub prepare_random_map {	2667	sub prepare_random_map {
2324	my ($exit) = @_;	2668	my ($exit) = @_;
2325		2669
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2672	# that depends on the exit object
2331		2673
2332	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2676	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2339	}	2683	}
2340		2684
2341	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2342		2686
2343	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2346		2690
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2693	undef $fh;
2350	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2351		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2354	}	2702	}
2355	}	2703	}
2356		2704
2357	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2359		2707
2360	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2361		2709
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2710	$self->enter_link;
2374		2711
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2712	(async {
2380	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2381	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2382	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2383		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2384	1;	2736	1
2385	}) {	2737	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2742
2391	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2410		2762
2411	utf8::encode $text;	2763	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2765	}
2414		2766
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2768
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2769	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2770	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2421		2773
2422	=cut	2774	=cut
2423		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
2424	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2842
2427	$msg = $self->pl->expand_cfpod ($msg);	2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
2428		2867
2429	return unless @extra || length $msg;	2868	return unless @extra || length $msg;
2430		2869
2431	if ($self->can_msg) {	2870	if ($self->can_msg) {
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
2433	} else {	2891	} else {
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443
2444	if ($color >= 0) {	2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
2445	if (0 && $msg =~ /\[/) {	2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2910	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2912	$self->send_packet ("drawinfo $color $msg")
2450	}	2913	}
2451	}	2914	}
2452	}	2915	}
2453	}	2916	}
2454		2917
2455	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2456		2919
2457	Sends an ext event to the client.	2920	Sends an ext event to the client.
2458		2921
2459	=cut	2922	=cut
2460		2923
2461	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2463		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2466	}	2951	}
2467		2952
2468	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2469		2954
2470	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3010	my ($ns, $buf) = @_;
2526		3011
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3013
2529	if (ref $msg) {	3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3022	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3023	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
2536	} else {	3029	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3031	}
2539		3032
2540	cf::override;	3033	cf::override;
…		…
2587	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2589		3082
2590	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2591		3084
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2593		3090
2594	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2595		3092
2596	=pod	3093	=pod
2597		3094
2598	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2599		3096
2600	cf::object	3097	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3098	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3099	insert remove name archname title slaying race decrease split
2603		3100
2604	cf::object::player	3101	cf::object::player
2605	player	3102	player
2606		3103
2607	cf::player	3104	cf::player
…		…
2612		3109
2613	=cut	3110	=cut
2614		3111
2615	for (	3112	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2618	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2621	) {	3119	) {
2622	no strict 'refs';	3120	no strict 'refs';
…		…
2698	# the server's init and main functions	3196	# the server's init and main functions
2699		3197
2700	sub load_facedata($) {	3198	sub load_facedata($) {
2701	my ($path) = @_;	3199	my ($path) = @_;
2702		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3206
2703	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2704		3208
2705	my $facedata;	3209	my $facedata;
2706	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3211	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2710		3214
2711	$facedata->{version} == 2	3215	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2714	{	3225	{
2715	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2716		3227
2717	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3235
		3236	cf::cede_to_tick;
2723	}	3237	}
2724		3238
2725	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2727	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2728	or next;	3243	or next;
		3244
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3248	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3250	}
2734	Coro::cede;	3251
		3252	cf::cede_to_tick;
2735	}	3253	}
2736	}	3254	}
2737		3255
2738	{	3256	{
2739	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2740		3258
2741	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3261	cf::cede_to_tick;
2744	}	3262	}
2745		3263
2746	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2747	}	3265	}
2748		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2749	1	3302	1
2750	}	3303	}
2751		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2752	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2753	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
2755	}	3355	}
2756		3356
2757	sub reload_facedata {	3357	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
2760	}	3360	}
2761		3361
2762	sub reload_archetypes {	3362	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3365	}
2771		3366
2772	sub reload_treasures {	3367	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
2775	}	3370	}
2776		3371
2777	sub reload_resources {	3372	sub reload_resources {
2778	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2779		3374
		3375	reload_facedata;
		3376	reload_archetypes;
2780	reload_regions;	3377	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3378	reload_treasures;
2785		3379
2786	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2787	}	3381	}
2788		3382
2789	sub init {	3383	sub reload_config {
2790	reload_resources;
2791	}
2792
2793	sub cfg_load {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3385	or return;
2796		3386
2797	local $/;	3387	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2799		3389
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3391
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2809	};	3399	};
2810	warn $@ if $@;	3400	warn $@ if $@;
2811	}	3401	}
2812	}	3402	}
2813		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2814	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2815	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3442	(async {
2819	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2821	};	3446	};
2822		3447
2823	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2824	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2825	load_extensions;	3466	load_extensions;
2826		3467
2827	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2828	Event::loop;	3476	EV::loop;
2829	}	3477	}
2830		3478
2831	#############################################################################	3479	#############################################################################
2832	# initialisation and cleanup	3480	# initialisation and cleanup
2833		3481
2834	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2835	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2844	},
2845	);	3488	};
2846	}	3489	}
2847	}	3490	}
2848		3491
2849	sub write_runtime {	3492	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";
2851
2852	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
2854		3495
2855	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3497
2857	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
2858		3499
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2860	or return;	3501	or return;
2861		3502
2862	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
2875		3516
2876	close $fh	3517	close $fh
2877	or return;	3518	or return;
2878		3519
2879	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3521	and return;
2881		3522
2882	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
2883		3524
2884	1	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2885	}	3576	}
2886		3577
2887	sub emergency_save() {	3578	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2889		3580
2890	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2891		3582
2892	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2893	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3597	$pl->save;
2901	}	3598	}
2902	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2903		3600
2904	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3604	$map->valid or next;
2908	$map->save;	3605	$map->save;
2909	}	3606	}
2910	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2911		3608
2912	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2915	};	3616	};
2916		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2917	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2918	}	3624	}
2919		3625
2920	sub post_cleanup {	3626	sub post_cleanup {
2921	my ($make_core) = @_;	3627	my ($make_core) = @_;
2922		3628
2923	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
2925	}	3660	}
2926		3661
2927	sub do_reload_perl() {	3662	sub do_reload_perl() {
2928	# can/must only be called in main	3663	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2931	return;	3666	return;
2932	}	3667	}
2933		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2934	warn "reloading...";	3674	warn "reloading...";
2935		3675
2936	warn "entering sync_job";	3676	warn "entering sync_job";
2937		3677
2938	cf::sync_job {	3678	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3680	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2942		3682
2943	warn "syncing database to disk";	3683	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3685
2946	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2947		3687
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3691	}
2985		3692
2986	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2988	}	3695	%EXT_CORO = ();
2989		3696
2990	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3706	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3707
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
3001	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
3002	}	3717	}
3003		3718
3004	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
3005	}	3734	}
3006		3735
3007	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3739
3011	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3014		3743
3015	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3745	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3018		3747
3019	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3020		3749
3021	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3022	require cf;	3751	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3753
3025	warn "loading config and database again";	3754	warn "loading config and database again";
3026	cf::cfg_load;	3755	cf::reload_config;
3027		3756
3028	warn "loading extensions";	3757	warn "loading extensions";
3029	cf::load_extensions;	3758	cf::load_extensions;
3030		3759
		3760	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3037		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3038	warn "leaving sync_job";	3772	warn "leaving sync_job";
3039		3773
3040	1	3774	1
3041	} or do {	3775	} or do {
3042	warn $@;	3776	warn $@;
3043	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3778	};
3046		3779
3047	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3048	};	3786	};
3049		3787
3050	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3051		3789
3052	sub reload_perl() {	3790	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3055		3793
3056	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	3796
3059	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	3798	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3063	},	3800	};
3064	);	3801	};
3065	}	3802	}
3066		3803
3067	register_command "reload" => sub {	3804	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
3069		3806
3070	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3811	reload_perl;
		3812	};
3073	}	3813	}
3074	};	3814	};
3075		3815
3076	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
3077		3817
…		…
3079		3819
3080	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3082		3822
3083	sub wait_for_tick {	3823	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3086		3825
3087	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3828	$signal->wait;
3090	}	3829	}
3091		3830
3092	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3095		3833
3096	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3836	$signal->wait;
3099	}	3837	}
3100		3838
3101	my $min = 1e6;#d#	3839	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3113	return;	3843	return;
3114	}	3844	}
3115		3845
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3119		3847
3120	0 && sync_job {#d#	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3850	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3851	$Coro::current->{desc} = "runtime saver";
3124	or die;	3852	write_runtime_sync
3125		3853	or warn "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3854	};
		3855	}
3142		3856
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3858	$sig->send;
3159	}	3859	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3861	$sig->send;
3162	}	3862	}
3163		3863
3164	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3866
3175	_post_tick;	3867	if (0) {
3176		3868	if ($NEXT_TICK) {
3177		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
3178	},	3873	}
3179	);	3874	}
3180		3875
3181	{	3876	{
3182	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3878
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3192		3880	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3882
3208	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		3890
3211	cf::sync_job {	3891	cf::sync_job {
3212	eval {	3892	eval {
3213	BDB::db_env_open	3893	BDB::db_env_open
3214	$DB_ENV,	3894	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3898	0666;
3219		3899
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	3901	};
3225		3902
3226	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3904	};
3228	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
3229	}	3916	}
3230		3917
3231	{	3918	{
		3919	# configure IO::AIO
		3920
3232	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	3924	}
3245		3925
3246	my $_log_backtrace;	3926	my $_log_backtrace;
3247		3927
3248	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3252		3932
3253	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3256	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
3257	my @bt = fork_call {	3940	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
3269	}	3952	}
3270		3953
3271	@funcs	3954	@funcs
3272	};	3955	};
3273		3956
3274	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	3960	--$_log_backtrace;
3277	};	3961	};
3278	} else {	3962	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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