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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.297 by root, Thu Jul 5 08:10:30 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	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	578	reset_signals;
435	local $SIG{__WARN__};	579	&$cb
436	local $SIG{__DIE__};	580	}, @args;
437	eval {
438	close $fh1;
439		581
440	my @res = eval { $cb->(@args) };	582	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	583	}
442	};
443		584
444	warn $@ if $@;	585	=item $coin = coin_from_name $name
445	_exit 0;	586
446	}	587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		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
447	}	610	}
448		611
449	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
450		613
451	Returns a single value from the environment database.	614	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	616	=item cf::db_put $family => $key => $value
454		617
455	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
456	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).
457		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
458	=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	}
459		644
460	our $DB;	645	our $DB;
461		646
462	sub db_init {	647	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	648	cf::sync_job {
467	eval {	649	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	650	};
477	}	651	}
478		652
479	sub db_get($$) {	653	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	654	my $key = "$_[0]/$_[1]";
481		655
…		…
531	if (1) {	705	if (1) {
532	$md5 =	706	$md5 =
533	join "\x00",	707	join "\x00",
534	$processversion,	708	$processversion,
535	map {	709	map {
536	Coro::cede;	710	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	711	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	712	} 0.. $#$src;
539		713
540		714
541	my $dbmd5 = db_get cache => "$id/md5";	715	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		753
580	#############################################################################	754	#############################################################################
581		755
582	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
583		757
584	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
585	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")
586	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
587		761
588	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>
589	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
590	Crossfire TRT).	764	Deliantra).
591		765
592	=over 4	766	=over 4
593		767
594	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
595		769
…		…
639	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
640		814
641	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
642	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
643		817
644	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
646		820
647	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
648		822
649	=over 4	823	=over 4
…		…
847	";	1021	";
848	die if $@;	1022	die if $@;
849	}	1023	}
850		1024
851	our $override;	1025	our $override;
852	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?
853		1027
854	sub override {	1028	sub override {
855	$override = 1;	1029	$override = 1;
856	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
857	}	1031	}
858		1032
859	sub do_invoke {	1033	sub do_invoke {
860	my $event = shift;	1034	my $event = shift;
861	my $callbacks = shift;	1035	my $callbacks = shift;
862		1036
863	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
864		1038
865	local $override;	1039	local $override;
866		1040
867	for (@$callbacks) {	1041	for (@$callbacks) {
868	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
877	}	1051	}
878		1052
879	0	1053	0
880	}	1054	}
881		1055
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1057
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1059
886	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
887		1061
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1065
892	=back	1066	=back
893		1067
894	=cut	1068	=cut
895		1069
896	#############################################################################	1070	#############################################################################
897	# 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	}
898		1114
899	sub reattach {	1115	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1117	my ($obj) = @_;
902		1118
		1119	# no longer needed after getting rid of delete_package?
903	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
904		1121
905	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
906		1123
907	@$registry = ();	1124	@$registry = ();
908		1125
…		…
923	cf::attachable->attach (	1140	cf::attachable->attach (
924	prio => -1000000,	1141	prio => -1000000,
925	on_instantiate => sub {	1142	on_instantiate => sub {
926	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
927		1144
928	$data = from_json $data;	1145	$data = decode_json $data;
929		1146
930	for (@$data) {	1147	for (@$data) {
931	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
932		1149
933	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1166	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
951		1168
952	sync_job {	1169	sync_job {
953	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
956		1174
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1179	aio_close $fh;
962		1180
963	if (@$objs) {	1181	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1187	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
971	}	1189	}
972	} else {	1190	} else {
973	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
974	}	1192	}
975		1193
976	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1198	} else {
978	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
979	}	1200	}
980	} else {	1201	} else {
981	aio_unlink $filename;	1202	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
983	}	1204	}
984	}	1205	};
985	}	1206	}
986		1207
987	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
989		1210
…		…
1001	or return;	1222	or return;
1002		1223
1003	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1226	or return;
		1227
1006	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
1007	}	1230	}
1008		1231
		1232	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1234	$decname, length $data, scalar @{$av || []};
		1235
1011	return ($data, $av);	1236	($data, $av)
1012	}	1237	}
1013		1238
1014	=head2 COMMAND CALLBACKS	1239	=head2 COMMAND CALLBACKS
1015		1240
1016	=over 4	1241	=over 4
…		…
1070	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1071		1296
1072	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1073	}	1298	}
1074		1299
		1300	use File::Glob ();
		1301
1075	cf::player->attach (	1302	cf::player->attach (
1076	on_command => sub {	1303	on_command => sub {
1077	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1078		1305
1079	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1089	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
1090		1317
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1319
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
1099	} else {	1335	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1337	}
1102		1338
1103	cf::override;	1339	cf::override;
1104	},	1340	},
1105	);	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	}
1106		1355
1107	sub load_extensions {	1356	sub load_extensions {
1108	cf::sync_job {	1357	cf::sync_job {
1109	my %todo;	1358	my %todo;
1110		1359
…		…
1130		1379
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1382
1134	$ext{source} =	1383	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1137	. $source	1386	. $source
1138	. "\n};\n1";	1387	. "\n};\n1";
1139		1388
1140	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1158		1407
1159	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1409	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1411	}
1164		1412
1165	warn $msg;	1413	warn $msg;
1166	}	1414	}
1167		1415
…		…
1181		1429
1182	=back	1430	=back
1183		1431
1184	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1185		1433
1186	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1187		1435
1188	=cut	1436	=cut
1189		1437
1190	package cf::player;	1438	package cf::player;
1191		1439
1192	use Coro::AIO;	1440	use Coro::AIO;
1193		1441
1194	=head3 cf::player	1442	=head3 cf::player
1195		1443
1196	=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	}
1197		1459
1198	=item cf::player::find $login	1460	=item cf::player::find $login
1199		1461
1200	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1201		1463
…		…
1220		1482
1221	sub exists($) {	1483	sub exists($) {
1222	my ($login) = @_;	1484	my ($login) = @_;
1223		1485
1224	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1226	}	1488	}
1227		1489
1228	sub find($) {	1490	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1492	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1503
1242	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1245	}	1513	}
1246	}	1514	}
1247	}	1515	}
1248		1516
…		…
1257	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1258		1526
1259	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1261		1529
		1530	cf::get_slot 0.01;
		1531
1262	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1263	Coro::cede;	1533	cf::cede_to_tick;
1264	}	1534	}
1265		1535
1266	sub new($) {	1536	sub new($) {
1267	my ($login) = @_;	1537	my ($login) = @_;
1268		1538
…		…
1274	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1275		1545
1276	$self	1546	$self
1277	}	1547	}
1278		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
1279	=item $pl->quit_character	1559	=item $pl->quit_character
1280		1560
1281	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
1282	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1283		1563
…		…
1287	my ($pl) = @_;	1567	my ($pl) = @_;
1288		1568
1289	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1290		1570
1291	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1292	$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
1293		1573
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1298		1580
1299	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1618	or return [];
1337		1619
1338	my @logins;	1620	my @logins;
1339		1621
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1344		1632
1345	utf8::decode $login;	1633	utf8::decode $login;
1346	push @logins, $login;	1634	push @logins, $login;
1347	}	1635	}
1348		1636
…		…
1375	}	1663	}
1376		1664
1377	\@paths	1665	\@paths
1378	}	1666	}
1379		1667
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1669
1382	Expand crossfire pod fragments into protocol xml.	1670	Expand deliantra pod fragments into protocol xml.
1383		1671
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1431		1673
1432	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1433		1675
1434	=cut	1676	=cut
1435		1677
1436	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1438		1680
1439	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1682	}
1442		1683
1443	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1444		1685
1445	Sends an ext event to the client.	1686	Sends an ext event to the client.
1446		1687
1447	=cut	1688	=cut
1448		1689
1449	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1451		1692
1452	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1453	}	1694	}
1454		1695
1455	=head3 cf::region	1696	=head3 cf::region
1456		1697
1457	=over 4	1698	=over 4
…		…
1470	my ($path) = @_;	1711	my ($path) = @_;
1471		1712
1472	my ($match, $specificity);	1713	my ($match, $specificity);
1473		1714
1474	for my $region (list) {	1715	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1716	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1717	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1718	if $region->specificity > $specificity;
1478	}	1719	}
1479	}	1720	}
1480		1721
…		…
1501	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1503		1744
1504	sub generate_random_map {	1745	sub generate_random_map {
1505	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
1506	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1751	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1601	return $self;	1845	return $self;
1602	}	1846	}
1603	}	1847	}
1604		1848
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1850	()
1607	}	1851	}
1608		1852
1609	sub init {	1853	sub init {
1610	my ($self) = @_;	1854	my ($self) = @_;
…		…
1632		1876
1633	# the temporary/swap location	1877	# the temporary/swap location
1634	sub save_path {	1878	sub save_path {
1635	my ($self) = @_;	1879	my ($self) = @_;
1636		1880
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1639	}	1883	}
1640		1884
1641	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1642	sub uniq_path {	1886	sub uniq_path {
1643	my ($self) = @_;	1887	my ($self) = @_;
1644		1888
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1647	}	1891	}
1648		1892
1649	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1650	# all maps in C++...	1894	# all maps in C++...
…		…
1673		1917
1674	sub load_header_from($) {	1918	sub load_header_from($) {
1675	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1676		1920
1677	utf8::encode $path;	1921	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	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;
1683		1930
1684	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1685		1932
1686	1	1933	1
1687	}	1934	}
…		…
1741	sub find {	1988	sub find {
1742	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1743		1990
1744	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1745		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1747		1995
1748	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1749	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1750	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1751	or return;	2001	or return;
1752		2002
1753	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1754		2004
…		…
1756	or return;	2006	or return;
1757		2007
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1761	$map->reset;	2013	$map->reset;
1762	undef $guard;
1763	return find $path;	2014	return find $path;
1764	}	2015	}
1765		2016
1766	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1767	}	2018	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1777		2028
1778	my $path = $self->{path};	2029	my $path = $self->{path};
1779		2030
1780	{	2031	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1782		2033
		2034	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2036
1785	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1786		2038
1787	$self->alloc;	2039	$self->alloc;
1788		2040
1789	$self->pre_load;	2041	$self->pre_load;
1790	Coro::cede;	2042	cf::cede_to_tick;
1791		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1793	or return;	2047	or return;
1794		2048
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1796	if delete $self->{load_original};	2050	if delete $self->{load_original};
1797		2051
1798	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2053	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2056	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1803	}	2060	}
1804	}	2061	}
1805		2062
1806	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1807	# now do the right thing for maps	2066	# now do the right thing for maps
1808	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2069	unless $self->difficulty;
1811	Coro::cede;	2070	cf::cede_to_tick;
1812		2071
1813	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2073	$self->decay_objects;
1815	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1816	$self->update_buttons;	2075	$self->update_buttons;
1817	Coro::cede;	2076	cf::cede_to_tick;
1818	$self->set_darkness_map;	2077	$self->set_darkness_map;
1819	Coro::cede;	2078	cf::cede_to_tick;
1820	$self->activate;	2079	$self->activate;
1821	}	2080	}
1822		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2086	}
1825		2087
1826	$self->post_load;	2088	$self->post_load;
1827	}	2089	}
1828		2090
…		…
1837		2099
1838	$self	2100	$self
1839	}	2101	}
1840		2102
1841	# 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
1842	sub load_diag {	2104	sub load_neighbours {
1843	my ($map) = @_;	2105	my ($map) = @_;
1844		2106
1845	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1846		2108
1847	for (0 .. 3) {	2109	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1849	or next;	2111	or next;
1850	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1851	or next;	2113	or next;
1852	$neigh->load;	2114	$neigh->load;
1853		2115
		2116	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2119	}
1857		2120
1858	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1860	or next;	2124	or next;
1861	$neigh->load;	2125	$neigh->load;
1862	}	2126	}
1863	}	2127	}
1864		2128
…		…
1869	}	2133	}
1870		2134
1871	sub do_load_sync {	2135	sub do_load_sync {
1872	my ($map) = @_;	2136	my ($map) = @_;
1873		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1874	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1875	}	2142	}
1876		2143
1877	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1879		2146
1880	sub find_async {	2147	sub find_async {
1881	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1882		2149
1883	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1884		2151
1885	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2154	}
1888		2155
1889	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1890	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1891	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2163	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2164	$map->load if $v;
		2165	}
1896		2166
1897	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1898	}	2168	}
1899	}	2169	}
1900	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1901	};	2171	};
1902	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2175	}
1906		2176
1907	sub save {	2177	sub save {
1908	my ($self) = @_;	2178	my ($self) = @_;
1909		2179
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2181
1912	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1913		2183
1914	return unless $self->dirty;	2184	return unless $self->dirty;
1915		2185
…		…
1921	return if $self->{deny_save};	2191	return if $self->{deny_save};
1922		2192
1923	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1924		2194
1925	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1927	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1928		2201
1929	if ($uniq) {	2202	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2205	} else {
…		…
1938	my ($self) = @_;	2211	my ($self) = @_;
1939		2212
1940	# save first because save cedes	2213	# save first because save cedes
1941	$self->save;	2214	$self->save;
1942		2215
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2217
1945	return if $self->players;	2218	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2220	return if $self->{deny_save};
1948		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2226	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2227	}
1952		2228
1953	sub reset_at {	2229	sub reset_at {
1954	my ($self) = @_;	2230	my ($self) = @_;
1955		2231
…		…
1987	if $uniq;	2263	if $uniq;
1988	}	2264	}
1989		2265
1990	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1991		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2270	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2271
1996	$self->unlink_save;	2272	$self->unlink_save;
1997	$self->destroy;	2273	$self->destroy;
1998	}	2274	}
1999		2275
2000	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
2001		2277
2002	sub nuke {	2278	sub nuke {
2003	my ($self) = @_;	2279	my ($self) = @_;
2004		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
2005	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
2006		2285
2007	$self->unlink_save;	2286	$self->unlink_save;
2008		2287
2009	bless $self, "cf::map";	2288	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2293
2015	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
2016		2296
2017	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
2018	}	2298	}
2019		2299
2020	=item $maps = cf::map::tmp_maps	2300	=item $maps = cf::map::tmp_maps
…		…
2062		2342
2063	sub unique_maps() {	2343	sub unique_maps() {
2064	[	2344	[
2065	map {	2345	map {
2066	utf8::decode $_;	2346	utf8::decode $_;
2067	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2068	? normalise $_	2350	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2352	]
2072	}	2353	}
2073		2354
2074	package cf;
2075
2076	=back	2355	=back
2077		2356
2078	=head3 cf::object	2357	=head3 cf::object
2079		2358
2080	=cut	2359	=cut
…		…
2083		2362
2084	=over 4	2363	=over 4
2085		2364
2086	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2087		2366
2088	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.
2089		2369
2090	=cut	2370	=cut
2091		2371
2092	sub inv_recursive_;	2372	sub inv_recursive_;
2093	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2096		2376
2097	sub inv_recursive {	2377	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2099	}	2379	}
2100		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
2101	package cf;	2409	package cf;
2102		2410
2103	=back	2411	=back
2104		2412
2105	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
2111	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>
2112	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
2113	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2114		2422
2115	=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	};
2116		2438
2117	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2440	# with dialog boxes.
2119	#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
2120	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
2127		2449
2128	} else {	2450	} else {
2129	my $pl = $self->contr;	2451	my $pl = $self->contr;
2130		2452
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2456
2140	} else {	2457	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2460	}
2144	}	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 (@_);
2145	}	2472	}
2146		2473
2147	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
2148		2475
2149	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
2162		2489
2163	=item $player_object->enter_link	2490	=item $player_object->enter_link
2164		2491
2165	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}>).
2166		2493
2167	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.
2168	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.
2169		2498
2170	Will never block.	2499	Will never block.
2171		2500
2172	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2173		2502
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
2231		2560
2232	$map->load;	2561	$map->load;
2233	$map->load_diag;	2562	$map->load_neighbours;
2234		2563
2235	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2236	$self->activate_recursive;	2566	$self->activate_recursive;
2237		2567
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2240	}	2570	}
2241		2571
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2573
2244	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
2245	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
2246	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
2247	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 >>.
2248		2582
2249	=cut	2583	=cut
2250		2584
2251	our $GOTOGEN;	2585	our $GOTOGEN;
2252		2586
2253	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2589
2256	# 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
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2592
2259	$self->enter_link;	2593	$self->enter_link;
2260		2594
2261	(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
2262	my $map = eval {	2617	my $map = eval {
2263	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
2264		2619
2265	if ($map) {	2620	if ($map) {
2266	$map = $map->customise_for ($self);	2621	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2622	$map = $check->($map) if $check && $map;
2268	} else {	2623	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2625	}
2271		2626
2272	$map	2627	$map
2273	};	2628	};
2274		2629
…		…
2279		2634
2280	if ($gen == $self->{_goto_generation}) {	2635	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2636	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
2283	}	2638	}
		2639
		2640	$done->() if $done;
2284	})->prio (1);	2641	})->prio (1);
2285	}	2642	}
2286		2643
2287	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
2288		2645
…		…
2308	}	2665	}
2309		2666
2310	sub prepare_random_map {	2667	sub prepare_random_map {
2311	my ($exit) = @_;	2668	my ($exit) = @_;
2312		2669
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2672	# that depends on the exit object
2318		2673
2319	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2676	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2326	}	2683	}
2327		2684
2328	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2329		2686
2330	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2333		2690
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2693	undef $fh;
2337	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2338		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2341	}	2702	}
2342	}	2703	}
2343		2704
2344	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2346		2707
2347	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2348		2709
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2710	$self->enter_link;
2361		2711
2362	# if exit is damned, update players death & WoR home-position
2363	$self->contr->savebed ($slaying, $hp, $sp)
2364	if $exit->flag (FLAG_DAMNED);
2365
2366	(async {	2712	(async {
2367	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2368	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
2369	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2370		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
2371	1;	2736	1
2372	}) {	2737	}) {
2373	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2374	. "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. "
2375	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2376	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2377		2742
2378	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2397		2762
2398	utf8::encode $text;	2763	utf8::encode $text;
2399	$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);
2400	}	2765	}
2401		2766
2402	=item $client->send_msg ($color, $type, $msg, [extra...])	2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
2403		2768
2404	Send a drawinfo or msg packet to the client, formatting the msg for the	2769	Send a drawinfo or msg packet to the client, formatting the msg for the
2405	client if neccessary. C<$type> should be a string identifying the type of	2770	client if neccessary. C<$type> should be a string identifying the type of
2406	the message, with C<log> being the default. If C<$color> is negative, suppress	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2407	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2408		2773
2409	=cut	2774	=cut
2410		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
2411	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2412	my ($self, $color, $type, $msg, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2413		2842
2414	$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	}
2415		2867
2416	return unless @extra || length $msg;	2868	return unless @extra || length $msg;
2417		2869
2418	if ($self->can_msg) {	2870	if ($self->can_msg) {
2419	$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);
2420	} else {	2891	} else {
2421	# replace some tags by gcfclient-compatible ones
2422	for ($msg) {
2423	1 while
2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429	}
2430
2431	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
2432	if (0 && $msg =~ /\[/) {	2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
2433	$self->send_packet ("drawextinfo $color 4 0 $msg")	2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
2434	} else {	2910	} else {
2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436	$self->send_packet ("drawinfo $color $msg")	2912	$self->send_packet ("drawinfo $color $msg")
2437	}	2913	}
2438	}	2914	}
2439	}	2915	}
2440	}	2916	}
2441		2917
2442	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2443		2919
2444	Sends an ext event to the client.	2920	Sends an ext event to the client.
2445		2921
2446	=cut	2922	=cut
2447		2923
2448	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2449	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2450		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2451	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2452	$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	}
2453	}	2951	}
2454		2952
2455	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2456		2954
2457	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
…		…
2512	my ($ns, $buf) = @_;	3010	my ($ns, $buf) = @_;
2513		3011
2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515		3013
2516	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
2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3022	if (my $cb = $EXTICMD{$type}) {
2518	if (my %reply = $cb->($ns, $msg)) {	3023	@reply = $cb->($ns, @payload);
2519	$reply{msgid} = $msg->{msgid};
2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521	}
2522	}	3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
2523	} else {	3029	} else {
2524	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";
2525	}	3031	}
2526		3032
2527	cf::override;	3033	cf::override;
…		…
2574	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2575	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2576		3082
2577	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2578		3084
2579	$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	));
2580		3090
2581	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2582		3092
2583	=pod	3093	=pod
2584		3094
2585	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2586		3096
2587	cf::object	3097	cf::object
2588	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
2589	insert remove	3099	insert remove name archname title slaying race decrease split
2590		3100
2591	cf::object::player	3101	cf::object::player
2592	player	3102	player
2593		3103
2594	cf::player	3104	cf::player
…		…
2599		3109
2600	=cut	3110	=cut
2601		3111
2602	for (	3112	for (
2603	["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
2604	insert remove)],	3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2605	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2606	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2607	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2608	) {	3119	) {
2609	no strict 'refs';	3120	no strict 'refs';
…		…
2685	# the server's init and main functions	3196	# the server's init and main functions
2686		3197
2687	sub load_facedata($) {	3198	sub load_facedata($) {
2688	my ($path) = @_;	3199	my ($path) = @_;
2689		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
2690	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2691		3208
2692	my $facedata;	3209	my $facedata;
2693	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
2694	or die "$path: $!";	3211	or die "$path: $!";
…		…
2696	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2697		3214
2698	$facedata->{version} == 2	3215	$facedata->{version} == 2
2699	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2700		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
2701	{	3225	{
2702	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2703		3227
2704	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2705	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2706	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2707	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2708	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2709	Coro::cede;	3235
		3236	cf::cede_to_tick;
2710	}	3237	}
2711		3238
2712	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2713	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2714	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2715	or next;	3243	or next;
		3244
2716	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2717	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2718	} else {	3248	} else {
2719	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2720	}	3250	}
2721	Coro::cede;	3251
		3252	cf::cede_to_tick;
2722	}	3253	}
2723	}	3254	}
2724		3255
2725	{	3256	{
2726	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2727		3258
2728	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2729	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2730	Coro::cede;	3261	cf::cede_to_tick;
2731	}	3262	}
2732		3263
2733	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2734	}	3265	}
2735		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
2736	1	3302	1
2737	}	3303	}
2738		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
2739	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
2740	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2741	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	}
2742	}	3355	}
2743		3356
2744	sub reload_facedata {	3357	sub reload_facedata {
2745	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2746	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
2747	}	3360	}
2748		3361
2749	sub reload_archetypes {	3362	sub reload_archetypes {
2750	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
2751	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
2752	#d# NEED to laod twice to resolve forward references
2753	# this really needs to be done in an extra post-pass
2754	# (which needs to be synchronous, so solve it differently)
2755	load_resource_file "$DATADIR/archetypes"
2756	or die "unable to load archetypes\n";
2757	}	3365	}
2758		3366
2759	sub reload_treasures {	3367	sub reload_treasures {
2760	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
2761	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
2762	}	3370	}
2763		3371
2764	sub reload_resources {	3372	sub reload_resources {
2765	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2766		3374
		3375	reload_facedata;
		3376	reload_archetypes;
2767	reload_regions;	3377	reload_regions;
2768	reload_facedata;
2769	#reload_archetypes;#d#
2770	reload_archetypes;
2771	reload_treasures;	3378	reload_treasures;
2772		3379
2773	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2774	}	3381	}
2775		3382
2776	sub init {	3383	sub reload_config {
2777	reload_resources;
2778	}
2779
2780	sub cfg_load {
2781	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2782	or return;	3385	or return;
2783		3386
2784	local $/;	3387	local $/;
2785	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2786		3389
2787	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2788		3391
2789	$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};
2790	$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};
…		…
2796	};	3399	};
2797	warn $@ if $@;	3400	warn $@ if $@;
2798	}	3401	}
2799	}	3402	}
2800		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
2801	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
2802	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2803	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2804	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#
2805	(async {	3442	(async {
2806	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2807	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2808	};	3446	};
2809		3447
2810	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2811	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
2812	load_extensions;	3466	load_extensions;
2813		3467
2814	$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
2815	Event::loop;	3476	EV::loop;
2816	}	3477	}
2817		3478
2818	#############################################################################	3479	#############################################################################
2819	# initialisation and cleanup	3480	# initialisation and cleanup
2820		3481
2821	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2822	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2823	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2824	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2825	reentrant => 0,
2826	data => WF_AUTOCANCEL,
2827	signal => $signal,
2828	prio => 0,
2829	cb => sub {
2830	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2831	},
2832	);	3488	};
2833	}	3489	}
2834	}	3490	}
2835		3491
2836	sub write_runtime {	3492	sub write_runtime_sync {
2837	my $runtime = "$LOCALDIR/runtime";
2838
2839	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
2840	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
2841		3495
2842	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2843		3497
2844	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
2845		3499
2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2847	or return;	3501	or return;
2848		3502
2849	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
2850	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
2851	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
2861	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
2862		3516
2863	close $fh	3517	close $fh
2864	or return;	3518	or return;
2865		3519
2866	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2867	and return;	3521	and return;
2868		3522
2869	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
2870		3524
2871	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 };
2872	}	3576	}
2873		3577
2874	sub emergency_save() {	3578	sub emergency_save() {
2875	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2876		3580
2877	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2878		3582
2879	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
2880	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2881	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2882	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2883	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2884	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2885	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2886	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2887	$pl->save;	3597	$pl->save;
2888	}	3598	}
2889	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2890		3600
2891	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2892	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2893	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2894	$map->valid or next;	3604	$map->valid or next;
2895	$map->save;	3605	$map->save;
2896	}	3606	}
2897	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2898		3608
2899	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2900	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2901	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";
2902	};	3616	};
2903		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
2904	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2905	}	3624	}
2906		3625
2907	sub post_cleanup {	3626	sub post_cleanup {
2908	my ($make_core) = @_;	3627	my ($make_core) = @_;
2909		3628
2910	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2911	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 $pkg\n";#d#
2912	}	3660	}
2913		3661
2914	sub do_reload_perl() {	3662	sub do_reload_perl() {
2915	# can/must only be called in main	3663	# can/must only be called in main
2916	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2917	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2918	return;	3666	return;
2919	}	3667	}
2920		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2921	warn "reloading...";	3674	warn "reloading...";
2922		3675
2923	warn "entering sync_job";	3676	warn "entering sync_job";
2924		3677
2925	cf::sync_job {	3678	cf::sync_job {
2926	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2927	cf::emergency_save;	3680	cf::emergency_save;
2928	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2929		3682
2930	warn "syncing database to disk";	3683	warn "syncing database to disk";
2931	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2932		3685
2933	# 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
2934		3687
2935	warn "cancelling all WF_AUTOCANCEL watchers";
2936	for (Event::all_watchers) {
2937	$_->cancel if $_->data & WF_AUTOCANCEL;
2938	}
2939
2940	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2941	for (;;) {
2942	BDB::flush;
2943	IO::AIO::flush;
2944	Coro::cede;
2945	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2946	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2947	}
2948
2949	++$RELOAD;
2950
2951	warn "cancelling all extension coros";
2952	$_->cancel for values %EXT_CORO;
2953	%EXT_CORO = ();
2954
2955	warn "removing commands";
2956	%COMMAND = ();
2957
2958	warn "removing ext/exti commands";
2959	%EXTCMD = ();
2960	%EXTICMD = ();
2961
2962	warn "unloading/nuking all extensions";
2963	for my $pkg (@EXTS) {
2964	warn "... unloading $pkg";
2965
2966	if (my $cb = $pkg->can ("unload")) {
2967	eval {
2968	$cb->($pkg);
2969	1
2970	} or warn "$pkg unloaded, but with errors: $@";
2971	}	3691	}
2972		3692
2973	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2974	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2975	}	3695	%EXT_CORO = ();
2976		3696
2977	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2978	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2980		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2981	warn "... unloading $k";	3706	warn "... unloading $pkg";
2982	delete $INC{$k};
2983		3707
2984	$k =~ s/\.pm$//;
2985	$k =~ s/\//::/g;
2986
2987	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2988	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2989	}	3717	}
2990		3718
2991	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 $k;
2992	}	3734	}
2993		3735
2994	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2995	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2996	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);
2997		3739
2998	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2999	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3000	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3001		3743
3002	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3003	# and global variables created in xs	3745	# and global variables created in xs
3004	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3005		3747
3006	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3007		3749
3008	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3009	require cf;	3751	require cf;
3010	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3011		3753
3012	warn "loading config and database again";	3754	warn "loading config and database again";
3013	cf::cfg_load;	3755	cf::reload_config;
3014		3756
3015	warn "loading extensions";	3757	warn "loading extensions";
3016	cf::load_extensions;	3758	cf::load_extensions;
3017		3759
		3760	if ($REATTACH_ON_RELOAD) {
3018	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3019	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3020	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3021	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3022	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3023	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3024		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3025	warn "leaving sync_job";	3772	warn "leaving sync_job";
3026		3773
3027	1	3774	1
3028	} or do {	3775	} or do {
3029	warn $@;	3776	warn $@;
3030	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3031	exit 1;
3032	};	3778	};
3033		3779
3034	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3035	};	3786	};
3036		3787
3037	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3038		3789
3039	sub reload_perl() {	3790	sub reload_perl() {
3040	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3041	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3042		3793
3043	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
3044	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
3045	after => 0,	3796
3046	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3047	cb => sub {
3048	do_reload_perl;	3798	do_reload_perl;
3049	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3050	},	3800	};
3051	);	3801	};
3052	}	3802	}
3053		3803
3054	register_command "reload" => sub {	3804	register_command "reload" => sub {
3055	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
3056		3806
3057	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
3058	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
3059	async { reload_perl };	3811	reload_perl;
		3812	};
3060	}	3813	}
3061	};	3814	};
3062		3815
3063	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
3064		3817
…		…
3066		3819
3067	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3068	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3069		3822
3070	sub wait_for_tick {	3823	sub wait_for_tick {
3071	return unless $TICK_WATCHER->is_active;
3072	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3073		3825
3074	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3075	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3076	$signal->wait;	3828	$signal->wait;
3077	}	3829	}
3078		3830
3079	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3080	return unless $TICK_WATCHER->is_active;
3081	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3082		3833
3083	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3084	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3085	$signal->wait;	3836	$signal->wait;
3086	}	3837	}
3087		3838
3088	my $min = 1e6;#d#	3839	sub tick {
3089	my $avg = 10;
3090	$TICK_WATCHER = Event->timer (
3091	reentrant => 0,
3092	parked => 1,
3093	prio => 0,
3094	at => $NEXT_TICK || $TICK,
3095	data => WF_AUTOCANCEL,
3096	cb => sub {
3097	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3099	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3100	return;	3843	return;
3101	}	3844	}
3102		3845
3103	$NOW = $tick_start = Event::time;
3104
3105	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3106		3847
3107	0 && sync_job {#d#	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3108	for(1..10) {	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3109	my $t = Event::time;	3850	Coro::async_pool {
3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3851	$Coro::current->{desc} = "runtime saver";
3111	or die;	3852	write_runtime_sync
3112		3853	or warn "ERROR: unable to write runtime file: $!";
3113	$map->width (50);
3114	$map->height (50);
3115	$map->alloc;
3116	$map->_load_objects ("/tmp/x.map", 1);
3117	my $t = Event::time - $t;
3118
3119	#next unless $t < 0.0013;#d#
3120	if ($t < $min) {
3121	$min = $t;
3122	}
3123	$avg = $avg * 0.99 + $t * 0.01;
3124	}
3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3126	exit 0;
3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3128	};	3854	};
		3855	}
3129		3856
3130	$RUNTIME += $TICK;
3131	$NEXT_TICK += $TICK;
3132
3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
3135	Coro::async_pool {
3136	write_runtime
3137	or warn "ERROR: unable to write runtime file: $!";
3138	};
3139	}
3140
3141	# my $AFTER = Event::time;
3142	# warn $AFTER - $NOW;#d#
3143
3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3145	$sig->send;	3858	$sig->send;
3146	}	3859	}
3147	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3148	$sig->send;	3861	$sig->send;
3149	}	3862	}
3150		3863
3151	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3152
3153	# if we are delayed by four ticks or more, skip them all
3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3155
3156	$TICK_WATCHER->at ($NEXT_TICK);
3157	$TICK_WATCHER->start;
3158
3159	$LOAD = ($NOW - $tick_start) / $TICK;
3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3161		3866
3162	_post_tick;	3867	if (0) {
3163		3868	if ($NEXT_TICK) {
3164		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
3165	},	3873	}
3166	);	3874	}
3167		3875
3168	{	3876	{
3169	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
3170	$BDB_POLL_WATCHER = Event->io (	3878
3171	reentrant => 0,
3172	fd => BDB::poll_fileno,
3173	poll => 'r',
3174	prio => 0,
3175	data => WF_AUTOCANCEL,
3176	cb => \&BDB::poll_cb,
3177	);
3178	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3179		3880	BDB::max_poll_reqs $TICK * 0.1;
3180	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
3181	my $status;
3182	my $current = $Coro::current;
3183	(
3184	sub {
3185	$status = $!;
3186	$current->ready; undef $current;
3187	},
3188	sub {
3189	Coro::schedule while defined $current;
3190	$! = $status;
3191	},
3192	)
3193	};
3194		3882
3195	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3196	$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);
3197		3890
3198	cf::sync_job {	3891	cf::sync_job {
3199	eval {	3892	eval {
3200	BDB::db_env_open	3893	BDB::db_env_open
3201	$DB_ENV,	3894	$DB_ENV,
…		…
3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3205	0666;	3898	0666;
3206		3899
3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3208
3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3210	$DB_ENV->set_lk_detect;
3211	};	3901	};
3212		3902
3213	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
3214	};	3904	};
3215	}	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	};
3216	}	3916	}
3217		3917
3218	{	3918	{
		3919	# configure IO::AIO
		3920
3219	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3220
3221	undef $Coro::AIO::WATCHER;
3222	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3223	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
3224	reentrant => 0,
3225	data => WF_AUTOCANCEL,
3226	fd => IO::AIO::poll_fileno,
3227	poll => 'r',
3228	prio => 6,
3229	cb => \&IO::AIO::poll_cb,
3230	);
3231	}	3924	}
3232		3925
3233	my $_log_backtrace;	3926	my $_log_backtrace;
3234		3927
3235	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3238	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3239		3932
3240	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3241	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3242	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3243	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
3244	my @bt = fork_call {	3940	my @bt = fork_call {
3245	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3247	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 |"
3248	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
3256	}	3952	}
3257		3953
3258	@funcs	3954	@funcs
3259	};	3955	};
3260		3956
3261	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3262	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3263	--$_log_backtrace;	3960	--$_log_backtrace;
3264	};	3961	};
3265	} else {	3962	} else {
3266	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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