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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC vs.
Revision 1.460 by root, Mon Dec 15 17:04:53 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::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
34		65
35	# configure various modules to our taste	66	# configure various modules to our taste
36	#	67	#
37	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	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		76
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		78
50	our %COMMAND = ();	79	our %COMMAND = ();
51	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	83	our %EXTCMD = ();
55	our %EXTICMD = ();	84	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
58		87
59	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	89	our @EVENT;
61		90
62	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	92	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
73		106
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	109	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	115	our $DB_ENV;
84		116
85	our %CFG;	117	our %CFG;
86		118
87	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
89		122
90	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
93		126
94	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		129
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
100		138
101	binmode STDOUT;	139	binmode STDOUT;
102	binmode STDERR;	140	binmode STDERR;
103		141
104	# read virtual server time, if available	142	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
109	}	147	}
110		148
111	mkdir $_	149	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		195
158	The raw value load value from the last tick.	196	The raw value load value from the last tick.
159		197
160	=item %cf::CFG	198	=item %cf::CFG
161		199
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	201	from wherever your confdir points to.
164		202
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		204
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	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	206	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.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
171	=back	215	=back
172		216
173	=cut	217	=cut
174		218
175	BEGIN {	219	BEGIN {
…		…
179	$msg .= "\n"	223	$msg .= "\n"
180	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
181		225
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		227
184	utf8::encode $msg;
185	LOG llevError, $msg;	228	LOG llevError, $msg;
186	};	229	};
187	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
188		246
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	257	for my $pkg (qw(
200	cf::global cf::attachable	258	cf::global cf::attachable
201	cf::object cf::object::player	259	cf::object cf::object::player
202	cf::client cf::player	260	cf::client cf::player
203	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
204	cf::map cf::party cf::region	263	cf::party cf::region
205	)) {	264	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	266	}
209		267
210	$Event::DIED = sub {	268	$EV::DIED = sub {
211	warn "error in event callback: @_";	269	warn "error in event callback: @_";
212	};	270	};
213		271
214	#############################################################################	272	#############################################################################
215		273
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	297	$d
240	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
241	}	299	}
242		300
243	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
244		302
245	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
246		304
247	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
248		306
249	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
250		308
251	=cut	309	=cut
252		310
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		312
255	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
257		329
258	=item cf::lock_wait $string	330	=item cf::lock_wait $string
259		331
260	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
261		333
262	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
263		335
264	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
267	returned.	339	returned.
268		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
269	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
271		346
272	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
273		348
274	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
275		350
276	=cut	351	=cut
277		352
278	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
279		354
280	sub lock_wait($) {	355	sub lock_wait($) {
281	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	357	}
289		358
290	sub lock_acquire($) {	359	sub lock_acquire($) {
291	my ($key) = @_;	360	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	361	}
303		362
304	sub lock_active($) {	363	sub lock_active($) {
305	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	365	}
309		366
310	sub freeze_mainloop {	367	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
312		369
313	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
315	};	431	}
316	$TICK_WATCHER->stop;	432	};
317	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
318	}	446	}
319		447
320	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
321		449
322	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		455
328	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
329		457
330	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
331		459
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	463	acceptable.
336		464
337	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		471
344	sub sync_job(&) {	472	sub sync_job(&) {
345	my ($job) = @_;	473	my ($job) = @_;
346		474
347	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	476	my $time = EV::time;
349		477
350	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
352		480
353	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	482
355	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
356		484
357	my $busy = 1;	485	my $busy = 1;
358	my @res;	486	my @res;
359		487
360	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	490	@res = eval { $job->() };
362	warn $@ if $@;	491	warn $@ if $@;
363	undef $busy;	492	undef $busy;
364	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
365		494
366	while ($busy) {	495	while ($busy) {
367	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
368	}	500	}
		501	}
369		502
370	$time = Event::time - $time;	503	my $time = EV::time - $time;
371		504
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	505	$TICK_START += $time; # do not account sync jobs to server load
376		506
377	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
378	} else {	508	} else {
379	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
380		510
…		…
405	=item fork_call { }, $args	535	=item fork_call { }, $args
406		536
407	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
411		541
412	=cut	542	=cut
413		543
414	sub fork_call(&@) {	544	sub fork_call(&@) {
415	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
416		546
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		550
422	if (my $pid = fork) {	551	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;	552	reset_signals;
435	local $SIG{__WARN__};	553	&$cb
436	local $SIG{__DIE__};	554	}, @args;
437	eval {
438	close $fh1;
439		555
440	my @res = eval { $cb->(@args) };	556	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	557	}
442	};
443		558
444	warn $@ if $@;	559	=item $coin = coin_from_name $name
445	_exit 0;	560
446	}	561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
447	}	584	}
448		585
449	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
450		587
451	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
454		591
455	Stores the given C<$value> in the family. It can currently store binary	592	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).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
458	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
459		618
460	our $DB;	619	our $DB;
461		620
462	sub db_init {	621	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	622	cf::sync_job {
467	eval {	623	$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	}	624	};
477	}	625	}
478		626
479	sub db_get($$) {	627	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
481		629
…		…
531	if (1) {	679	if (1) {
532	$md5 =	680	$md5 =
533	join "\x00",	681	join "\x00",
534	$processversion,	682	$processversion,
535	map {	683	map {
536	Coro::cede;	684	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	686	} 0.. $#$src;
539		687
540		688
541	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		727
580	#############################################################################	728	#############################################################################
581		729
582	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
583		731
584	Many objects in crossfire are so-called attachable objects. That means you can	732	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")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
587		735
588	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	738	Deliantra).
591		739
592	=over 4	740	=over 4
593		741
594	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
595		743
…		…
639	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
640		788
641	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
643		791
644	Some classes such as crossfire maps and objects can specify attachments	792	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.	793	that are attached at load/instantiate time, thus the need for a name.
646		794
647	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
648		796
649	=over 4	797	=over 4
…		…
847	";	995	";
848	die if $@;	996	die if $@;
849	}	997	}
850		998
851	our $override;	999	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1001
854	sub override {	1002	sub override {
855	$override = 1;	1003	$override = 1;
856	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
857	}	1005	}
858		1006
859	sub do_invoke {	1007	sub do_invoke {
860	my $event = shift;	1008	my $event = shift;
861	my $callbacks = shift;	1009	my $callbacks = shift;
862		1010
863	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
864		1012
865	local $override;	1013	local $override;
866		1014
867	for (@$callbacks) {	1015	for (@$callbacks) {
868	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
877	}	1025	}
878		1026
879	0	1027	0
880	}	1028	}
881		1029
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1031
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1033
886	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
887		1035
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	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	1037	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1039
892	=back	1040	=back
893		1041
894	=cut	1042	=cut
895		1043
896	#############################################################################	1044	#############################################################################
897	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
898		1088
899	sub reattach {	1089	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1091	my ($obj) = @_;
902		1092
		1093	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1095
905	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
906		1097
907	@$registry = ();	1098	@$registry = ();
908		1099
…		…
923	cf::attachable->attach (	1114	cf::attachable->attach (
924	prio => -1000000,	1115	prio => -1000000,
925	on_instantiate => sub {	1116	on_instantiate => sub {
926	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
927		1118
928	$data = from_json $data;	1119	$data = decode_json $data;
929		1120
930	for (@$data) {	1121	for (@$data) {
931	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
932		1123
933	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1140	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
951		1142
952	sync_job {	1143	sync_job {
953	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
956		1148
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1153	aio_close $fh;
962		1154
963	if (@$objs) {	1155	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1161	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
971	}	1163	}
972	} else {	1164	} else {
973	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
974	}	1166	}
975		1167
976	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1172	} else {
978	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
979	}	1174	}
980	} else {	1175	} else {
981	aio_unlink $filename;	1176	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
983	}	1178	}
984	}	1179	};
985	}	1180	}
986		1181
987	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
989		1184
…		…
1001	or return;	1196	or return;
1002		1197
1003	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1200	or return;
		1201
1006	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1007	}	1204	}
1008		1205
		1206	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1011	return ($data, $av);	1210	($data, $av)
1012	}	1211	}
1013		1212
1014	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1015		1214
1016	=over 4	1215	=over 4
…		…
1070	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1071		1270
1072	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1073	}	1272	}
1074		1273
		1274	use File::Glob ();
		1275
1075	cf::player->attach (	1276	cf::player->attach (
1076	on_command => sub {	1277	on_command => sub {
1077	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1078		1279
1079	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1089	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1090		1291
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1293
1093	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1099	} else {	1309	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1311	}
1102		1312
1103	cf::override;	1313	cf::override;
1104	},	1314	},
1105	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1106		1329
1107	sub load_extensions {	1330	sub load_extensions {
1108	cf::sync_job {	1331	cf::sync_job {
1109	my %todo;	1332	my %todo;
1110		1333
…		…
1130		1353
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1356
1134	$ext{source} =	1357	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1137	. $source	1360	. $source
1138	. "\n};\n1";	1361	. "\n};\n1";
1139		1362
1140	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1158		1381
1159	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1383	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1385	}
1164		1386
1165	warn $msg;	1387	warn $msg;
1166	}	1388	}
1167		1389
…		…
1181		1403
1182	=back	1404	=back
1183		1405
1184	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1185		1407
1186	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1187		1409
1188	=cut	1410	=cut
1189		1411
1190	package cf::player;	1412	package cf::player;
1191		1413
1192	use Coro::AIO;	1414	use Coro::AIO;
1193		1415
1194	=head3 cf::player	1416	=head3 cf::player
1195		1417
1196	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1197		1433
1198	=item cf::player::find $login	1434	=item cf::player::find $login
1199		1435
1200	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1201		1437
…		…
1220		1456
1221	sub exists($) {	1457	sub exists($) {
1222	my ($login) = @_;	1458	my ($login) = @_;
1223		1459
1224	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1226	}	1462	}
1227		1463
1228	sub find($) {	1464	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1466	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1477
1242	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1245	}	1487	}
1246	}	1488	}
1247	}	1489	}
1248		1490
…		…
1257	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1258		1500
1259	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1261		1503
		1504	cf::get_slot 0.01;
		1505
1262	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1263	Coro::cede;	1507	cf::cede_to_tick;
1264	}	1508	}
1265		1509
1266	sub new($) {	1510	sub new($) {
1267	my ($login) = @_;	1511	my ($login) = @_;
1268		1512
…		…
1274	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1275		1519
1276	$self	1520	$self
1277	}	1521	}
1278		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1279	=item $pl->quit_character	1533	=item $pl->quit_character
1280		1534
1281	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1283		1537
…		…
1287	my ($pl) = @_;	1541	my ($pl) = @_;
1288		1542
1289	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1290		1544
1291	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1547
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1298		1554
1299	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1592	or return [];
1337		1593
1338	my @logins;	1594	my @logins;
1339		1595
1340	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1344		1606
1345	utf8::decode $login;	1607	utf8::decode $login;
1346	push @logins, $login;	1608	push @logins, $login;
1347	}	1609	}
1348		1610
…		…
1375	}	1637	}
1376		1638
1377	\@paths	1639	\@paths
1378	}	1640	}
1379		1641
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1643
1382	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1383		1645
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	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	warn "hm<$_[0] $_[1]>\n";#d#
1424	$_[0]{hintmode} = $_[1] if @_ > 1;
1425	$_[0]{hintmode}
1426	}
1427
1428	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1429		1647
1430	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1431		1649
1432	=cut	1650	=cut
1433		1651
1434	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1435	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1436		1654
1437	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1439	}	1656	}
1440		1657
1441	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1442		1659
1443	Sends an ext event to the client.	1660	Sends an ext event to the client.
1444		1661
1445	=cut	1662	=cut
1446		1663
1447	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1448	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1449		1666
1450	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1451	}	1668	}
1452		1669
1453	=head3 cf::region	1670	=head3 cf::region
1454		1671
1455	=over 4	1672	=over 4
…		…
1468	my ($path) = @_;	1685	my ($path) = @_;
1469		1686
1470	my ($match, $specificity);	1687	my ($match, $specificity);
1471		1688
1472	for my $region (list) {	1689	for my $region (list) {
1473	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1474	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1475	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1476	}	1693	}
1477	}	1694	}
1478		1695
…		…
1499	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1500	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1501		1718
1502	sub generate_random_map {	1719	sub generate_random_map {
1503	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1504	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1505	$self->_create_random_map (	1725	$self->_create_random_map (
1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1598	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1599	return $self;	1819	return $self;
1600	}	1820	}
1601	}	1821	}
1602		1822
1603	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1604	()	1824	()
1605	}	1825	}
1606		1826
1607	sub init {	1827	sub init {
1608	my ($self) = @_;	1828	my ($self) = @_;
…		…
1630		1850
1631	# the temporary/swap location	1851	# the temporary/swap location
1632	sub save_path {	1852	sub save_path {
1633	my ($self) = @_;	1853	my ($self) = @_;
1634		1854
1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1636	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1637	}	1857	}
1638		1858
1639	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1640	sub uniq_path {	1860	sub uniq_path {
1641	my ($self) = @_;	1861	my ($self) = @_;
1642		1862
1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1644	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1645	}	1865	}
1646		1866
1647	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1648	# all maps in C++...	1868	# all maps in C++...
…		…
1671		1891
1672	sub load_header_from($) {	1892	sub load_header_from($) {
1673	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1674		1894
1675	utf8::encode $path;	1895	utf8::encode $path;
1676	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1677	# or return;
1678
1679	$self->_load_header ($path)
1680	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1681		1904
1682	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1683		1906
1684	1	1907	1
1685	}	1908	}
…		…
1739	sub find {	1962	sub find {
1740	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1741		1964
1742	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1743		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1744	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1745		1969
1746	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1747	my $guard = cf::lock_acquire "map_find:$path";
1748	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1749	or return;	1972	or return;
1750		1973
1751	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1752		1975
…		…
1754	or return;	1977	or return;
1755		1978
1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1757	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1758	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1759	$map->reset;	1984	$map->reset;
1760	undef $guard;
1761	return find $path;	1985	return find $path;
1762	}	1986	}
1763		1987
1764	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1765	}	1989	}
…		…
1774	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1775		1999
1776	my $path = $self->{path};	2000	my $path = $self->{path};
1777		2001
1778	{	2002	{
1779	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1780		2004
		2005	return unless $self->valid;
1781	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1782		2007
1783	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1784		2009
1785	$self->alloc;	2010	$self->alloc;
1786		2011
1787	$self->pre_load;	2012	$self->pre_load;
1788	Coro::cede;	2013	cf::cede_to_tick;
1789		2014
		2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
1790	$self->_load_objects ($self->{load_path}, 1)	2017	$self->_load_objects ($f)
1791	or return;	2018	or return;
1792		2019
1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1794	if delete $self->{load_original};	2021	if delete $self->{load_original};
1795		2022
1796	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1797	utf8::encode $uniq;	2024	utf8::encode $uniq;
1798	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1799	$self->clear_unique_items;	2027	$self->clear_unique_items;
1800	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1801	}	2031	}
1802	}	2032	}
1803		2033
1804	Coro::cede;	2034	$f->resolve_delayed_derefs;
		2035
		2036	cf::cede_to_tick;
1805	# now do the right thing for maps	2037	# now do the right thing for maps
1806	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1807	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1808	unless $self->difficulty;	2040	unless $self->difficulty;
1809	Coro::cede;	2041	cf::cede_to_tick;
1810		2042
1811	unless ($self->{deny_activate}) {	2043	unless ($self->{deny_activate}) {
1812	$self->decay_objects;	2044	$self->decay_objects;
1813	$self->fix_auto_apply;	2045	$self->fix_auto_apply;
1814	$self->update_buttons;	2046	$self->update_buttons;
1815	Coro::cede;	2047	cf::cede_to_tick;
1816	$self->set_darkness_map;	2048	$self->set_darkness_map;
1817	Coro::cede;	2049	cf::cede_to_tick;
1818	$self->activate;	2050	$self->activate;
1819	}	2051	}
1820		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
1821	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1822	}	2057	}
1823		2058
1824	$self->post_load;	2059	$self->post_load;
1825	}	2060	}
1826		2061
…		…
1835		2070
1836	$self	2071	$self
1837	}	2072	}
1838		2073
1839	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1840	sub load_diag {	2075	sub load_neighbours {
1841	my ($map) = @_;	2076	my ($map) = @_;
1842		2077
1843	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1844		2079
1845	for (0 .. 3) {	2080	for (0 .. 3) {
1846	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1847	or next;	2082	or next;
1848	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1849	or next;	2084	or next;
1850	$neigh->load;	2085	$neigh->load;
1851		2086
		2087	push @neigh,
1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1854	}	2090	}
1855		2091
1856	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1857	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1858	or next;	2095	or next;
1859	$neigh->load;	2096	$neigh->load;
1860	}	2097	}
1861	}	2098	}
1862		2099
…		…
1867	}	2104	}
1868		2105
1869	sub do_load_sync {	2106	sub do_load_sync {
1870	my ($map) = @_;	2107	my ($map) = @_;
1871		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1872	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1873	}	2113	}
1874		2114
1875	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1876	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1877		2117
1878	sub find_async {	2118	sub find_async {
1879	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1880		2120
1881	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1882		2122
1883	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1885	}	2125	}
1886		2126
1887	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1888	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1889	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1890	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1891	my $map = find $path	2134	if (my $map = find $k) {
1892	or next;
1893	$map->load;	2135	$map->load if $v;
		2136	}
1894		2137
1895	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1896	}	2139	}
1897	}	2140	}
1898	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1899	};	2142	};
1900	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1903	}	2146	}
1904		2147
1905	sub save {	2148	sub save {
1906	my ($self) = @_;	2149	my ($self) = @_;
1907		2150
1908	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1909		2152
1910	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1911		2154
1912	return unless $self->dirty;	2155	return unless $self->dirty;
1913		2156
…		…
1919	return if $self->{deny_save};	2162	return if $self->{deny_save};
1920		2163
1921	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1922		2165
1923	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1924	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1925	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1926		2172
1927	if ($uniq) {	2173	if ($uniq) {
1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1930	} else {	2176	} else {
…		…
1936	my ($self) = @_;	2182	my ($self) = @_;
1937		2183
1938	# save first because save cedes	2184	# save first because save cedes
1939	$self->save;	2185	$self->save;
1940		2186
1941	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1942		2188
1943	return if $self->players;	2189	return if $self->players;
1944	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1945	return if $self->{deny_save};	2191	return if $self->{deny_save};
1946		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1947	$self->clear;	2197	$self->clear;
1948	$self->in_memory (cf::MAP_SWAPPED);
1949	}	2198	}
1950		2199
1951	sub reset_at {	2200	sub reset_at {
1952	my ($self) = @_;	2201	my ($self) = @_;
1953		2202
…		…
1985	if $uniq;	2234	if $uniq;
1986	}	2235	}
1987		2236
1988	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1989		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1990	$self->clear;	2241	$self->clear;
1991
1992	$_->clear_links_to ($self) for values %cf::MAP;
1993		2242
1994	$self->unlink_save;	2243	$self->unlink_save;
1995	$self->destroy;	2244	$self->destroy;
1996	}	2245	}
1997		2246
1998	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1999		2248
2000	sub nuke {	2249	sub nuke {
2001	my ($self) = @_;	2250	my ($self) = @_;
2002		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
2003	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
2004		2256
2005	$self->unlink_save;	2257	$self->unlink_save;
2006		2258
2007	bless $self, "cf::map";	2259	bless $self, "cf::map";
2008	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
2009	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
2010	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2012		2264
2013	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
2014		2267
2015	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
2016	}	2269	}
2017		2270
2018	=item $maps = cf::map::tmp_maps	2271	=item $maps = cf::map::tmp_maps
…		…
2060		2313
2061	sub unique_maps() {	2314	sub unique_maps() {
2062	[	2315	[
2063	map {	2316	map {
2064	utf8::decode $_;	2317	utf8::decode $_;
2065	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2066	? normalise $_	2321	: normalise $_
2067	: ()
2068	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2069	]	2323	]
2070	}	2324	}
2071		2325
2072	package cf;
2073
2074	=back	2326	=back
2075		2327
2076	=head3 cf::object	2328	=head3 cf::object
2077		2329
2078	=cut	2330	=cut
…		…
2081		2333
2082	=over 4	2334	=over 4
2083		2335
2084	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2085		2337
2086	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2087		2340
2088	=cut	2341	=cut
2089		2342
2090	sub inv_recursive_;	2343	sub inv_recursive_;
2091	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2094		2347
2095	sub inv_recursive {	2348	sub inv_recursive {
2096	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2097	}	2350	}
2098		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
2099	package cf;	2380	package cf;
2100		2381
2101	=back	2382	=back
2102		2383
2103	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
2109	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2110	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2111	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2112		2393
2113	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
2114		2409
2115	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2116	# with dialog boxes.	2411	# with dialog boxes.
2117	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2118	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
2125		2420
2126	} else {	2421	} else {
2127	my $pl = $self->contr;	2422	my $pl = $self->contr;
2128		2423
2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2130	my $diag = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2131	$diag->{pl}->ext_reply (	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2132	$diag->{id},
2133	msgtype => "reply",
2134	msg => $diag->{pl}->expand_cfpod ($msg),
2135	add_topics => []
2136	);
2137		2427
2138	} else {	2428	} else {
2139	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2140	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2141	}	2431	}
2142	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
2143	}	2443	}
2144		2444
2145	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
2146		2446
2147	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
2160		2460
2161	=item $player_object->enter_link	2461	=item $player_object->enter_link
2162		2462
2163	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2164		2464
2165	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2166	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2167		2469
2168	Will never block.	2470	Will never block.
2169		2471
2170	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2171		2473
…		…
2226	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
2227	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
2228	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
2229		2531
2230	$map->load;	2532	$map->load;
2231	$map->load_diag;	2533	$map->load_neighbours;
2232		2534
2233	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2234	$self->activate_recursive;	2537	$self->activate_recursive;
2235		2538
2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2237	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2238	}	2541	}
2239		2542
2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2241		2544
2242	Moves the player to the given map-path and coordinates by first freezing	2545	Moves the player to the given map-path and coordinates by first freezing
2243	her, loading and preparing them map, calling the provided $check callback	2546	her, loading and preparing them map, calling the provided $check callback
2244	that has to return the map if sucecssful, and then unfreezes the player on	2547	that has to return the map if sucecssful, and then unfreezes the player on
2245	the new (success) or old (failed) map position.	2548	the new (success) or old (failed) map position. In either case, $done will
		2549	be called at the end of this process.
		2550
		2551	Note that $check will be called with a potentially non-loaded map, so if
		2552	it needs a loaded map it has to call C<< ->load >>.
2246		2553
2247	=cut	2554	=cut
2248		2555
2249	our $GOTOGEN;	2556	our $GOTOGEN;
2250		2557
2251	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
2252	my ($self, $path, $x, $y, $check) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
2253		2560
2254	# do generation counting so two concurrent goto's will be executed in-order	2561	# do generation counting so two concurrent goto's will be executed in-order
2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2256		2563
2257	$self->enter_link;	2564	$self->enter_link;
2258		2565
2259	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
2260	my $map = eval {	2588	my $map = eval {
2261	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
2262		2590
2263	if ($map) {	2591	if ($map) {
2264	$map = $map->customise_for ($self);	2592	$map = $map->customise_for ($self);
2265	$map = $check->($map) if $check && $map;	2593	$map = $check->($map) if $check && $map;
2266	} else {	2594	} else {
2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2268	}	2596	}
2269		2597
2270	$map	2598	$map
2271	};	2599	};
2272		2600
…		…
2277		2605
2278	if ($gen == $self->{_goto_generation}) {	2606	if ($gen == $self->{_goto_generation}) {
2279	delete $self->{_goto_generation};	2607	delete $self->{_goto_generation};
2280	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
2281	}	2609	}
		2610
		2611	$done->() if $done;
2282	})->prio (1);	2612	})->prio (1);
2283	}	2613	}
2284		2614
2285	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
2286		2616
…		…
2306	}	2636	}
2307		2637
2308	sub prepare_random_map {	2638	sub prepare_random_map {
2309	my ($exit) = @_;	2639	my ($exit) = @_;
2310		2640
2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
2312
2313	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2314	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2315	# that depends on the exit object	2643	# that depends on the exit object
2316		2644
2317	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2319	if ($exit->map) {	2647	if ($exit->map) {
2320	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2321	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2322	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2323	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2324	}	2654	}
2325		2655
2326	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2327		2657
2328	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2329	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2330	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2331		2661
2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2333	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2334	undef $fh;	2664	undef $fh;
2335	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2336		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2337	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2338	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2339	}	2673	}
2340	}	2674	}
2341		2675
2342	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2343	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2344		2678
2345	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2346		2680
2347	if ($exit->slaying eq "/!") {
2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
2349	# the problem is that $exit might not survive long enough
2350	# so it needs to be done right now, right here
2351	cf::sync_job { prepare_random_map $exit };
2352	}
2353
2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2355	my $hp = $exit->stats->hp;
2356	my $sp = $exit->stats->sp;
2357
2358	$self->enter_link;	2681	$self->enter_link;
2359		2682
2360	(async {	2683	(async {
2361	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
2362	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2363	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2364		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2365	1;	2707	1
2366	}) {	2708	}) {
2367	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2368	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2369	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2370	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2371		2713
2372	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2391		2733
2392	utf8::encode $text;	2734	utf8::encode $text;
2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2394	}	2736	}
2395		2737
2396	=item $client->send_msg ($color, $type, $msg, [extra...])	2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
2397		2739
2398	Send a drawinfo or msg packet to the client, formatting the msg for the	2740	Send a drawinfo or msg packet to the client, formatting the msg for the
2399	client if neccessary. C<$type> should be a string identifying the type of	2741	client if neccessary. C<$type> should be a string identifying the type of
2400	the message, with C<log> being the default. If C<$color> is negative, suppress	2742	the message, with C<log> being the default. If C<$color> is negative, suppress
2401	the message unless the client supports the msg packet.	2743	the message unless the client supports the msg packet.
2402		2744
2403	=cut	2745	=cut
2404		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
2405	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2406	my ($self, $color, $type, $msg, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2407		2813
2408	$msg = $self->pl->expand_cfpod ($msg);	2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
2409		2840
2410	if ($self->can_msg) {	2841	if ($self->can_msg) {
2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
2412	} else {	2862	} else {
2413	# replace some tags by gcfclient-compatible ones
2414	for ($msg) {
2415	1 while
2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2421	}
2422
2423	if ($color >= 0) {	2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
2424	if (0 && $msg =~ /\[/) {	2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
2425	$self->send_packet ("drawextinfo $color 4 0 $msg")	2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
2426	} else {	2881	} else {
2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2428	$self->send_packet ("drawinfo $color $msg")	2883	$self->send_packet ("drawinfo $color $msg")
2429	}	2884	}
2430	}	2885	}
2431	}	2886	}
2432	}	2887	}
2433		2888
2434	=item $client->ext_event ($type, %msg)	2889	=item $client->ext_msg ($type, @msg)
2435		2890
2436	Sends an ext event to the client.	2891	Sends an ext event to the client.
2437		2892
2438	=cut	2893	=cut
2439		2894
2440	sub cf::client::ext_event($$%) {	2895	sub cf::client::ext_msg($$@) {
2441	my ($self, $type, %msg) = @_;	2896	my ($self, $type, @msg) = @_;
2442		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
2443	$msg{msgtype} = "event_$type";	2901	push @msg, msgtype => "event_$type";
2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
2445	}	2922	}
2446		2923
2447	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2448		2925
2449	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
…		…
2504	my ($ns, $buf) = @_;	2981	my ($ns, $buf) = @_;
2505		2982
2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2507		2984
2508	if (ref $msg) {	2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2993	if (my $cb = $EXTICMD{$type}) {
2510	if (my %reply = $cb->($ns, $msg)) {	2994	@reply = $cb->($ns, @payload);
2511	$reply{msgid} = $msg->{msgid};
2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2513	}
2514	}	2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
2515	} else {	3000	} else {
2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2517	}	3002	}
2518		3003
2519	cf::override;	3004	cf::override;
…		…
2566	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2567	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2568		3053
2569	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2570		3055
2571	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2572		3061
2573	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2574		3063
2575	=pod	3064	=pod
2576		3065
2577	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2578		3067
2579	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2580	cf::object::player player	3072	cf::object::player
2581	cf::player peaceful	3073	player
2582	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2583		3080
2584	=cut	3081	=cut
2585		3082
2586	for (	3083	for (
2587	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2588	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2589	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2590	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2591	) {	3090	) {
2592	no strict 'refs';	3091	no strict 'refs';
…		…
2668	# the server's init and main functions	3167	# the server's init and main functions
2669		3168
2670	sub load_facedata($) {	3169	sub load_facedata($) {
2671	my ($path) = @_;	3170	my ($path) = @_;
2672		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3177
2673	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2674		3179
2675	my $facedata;	3180	my $facedata;
2676	0 < aio_load $path, $facedata	3181	0 < aio_load $path, $facedata
2677	or die "$path: $!";	3182	or die "$path: $!";
…		…
2679	$facedata = Coro::Storable::thaw $facedata;	3184	$facedata = Coro::Storable::thaw $facedata;
2680		3185
2681	$facedata->{version} == 2	3186	$facedata->{version} == 2
2682	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2683		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
2684	{	3196	{
2685	my $faces = $facedata->{faceinfo};	3197	my $faces = $facedata->{faceinfo};
2686		3198
2687	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2692	Coro::cede;	3206
		3207	cf::cede_to_tick;
2693	}	3208	}
2694		3209
2695	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2696	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2697	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2698	or next;	3214	or next;
		3215
2699	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2701	} else {	3219	} else {
2702	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
2703	}	3221	}
2704	Coro::cede;	3222
		3223	cf::cede_to_tick;
2705	}	3224	}
2706	}	3225	}
2707		3226
2708	{	3227	{
2709	my $anims = $facedata->{animinfo};	3228	my $anims = $facedata->{animinfo};
2710		3229
2711	while (my ($anim, $info) = each %$anims) {	3230	while (my ($anim, $info) = each %$anims) {
2712	cf::anim::set $anim, $info->{frames}, $info->{facings};	3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
2713	Coro::cede;	3232	cf::cede_to_tick;
2714	}	3233	}
2715		3234
2716	cf::anim::invalidate_all; # d'oh	3235	cf::anim::invalidate_all; # d'oh
2717	}	3236	}
2718		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
2719	1	3273	1
2720	}	3274	}
2721		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
2722	sub reload_regions {	3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
2723	load_resource_file "$MAPDIR/regions"	3319	load_resource_file "$MAPDIR/regions"
2724	or die "unable to load regions file\n";	3320	or die "unable to load regions file\n";
		3321
		3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
2725	}	3326	}
2726		3327
2727	sub reload_facedata {	3328	sub reload_facedata {
2728	load_facedata "$DATADIR/facedata"	3329	load_facedata "$DATADIR/facedata"
2729	or die "unable to load facedata\n";	3330	or die "unable to load facedata\n";
2730	}	3331	}
2731		3332
2732	sub reload_archetypes {	3333	sub reload_archetypes {
2733	load_resource_file "$DATADIR/archetypes"	3334	load_resource_file "$DATADIR/archetypes"
2734	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
2735	#d# NEED to laod twice to resolve forward references
2736	# this really needs to be done in an extra post-pass
2737	# (which needs to be synchronous, so solve it differently)
2738	load_resource_file "$DATADIR/archetypes"
2739	or die "unable to load archetypes\n";
2740	}	3336	}
2741		3337
2742	sub reload_treasures {	3338	sub reload_treasures {
2743	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
2744	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
2745	}	3341	}
2746		3342
2747	sub reload_resources {	3343	sub reload_resources {
2748	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2749		3345
		3346	reload_facedata;
		3347	reload_archetypes;
2750	reload_regions;	3348	reload_regions;
2751	reload_facedata;
2752	#reload_archetypes;#d#
2753	reload_archetypes;
2754	reload_treasures;	3349	reload_treasures;
2755		3350
2756	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
2757	}	3352	}
2758		3353
2759	sub init {	3354	sub reload_config {
2760	reload_resources;
2761	}
2762
2763	sub cfg_load {
2764	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2765	or return;	3356	or return;
2766		3357
2767	local $/;	3358	local $/;
2768	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2769		3360
2770	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2771		3362
2772	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2773	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2779	};	3370	};
2780	warn $@ if $@;	3371	warn $@ if $@;
2781	}	3372	}
2782	}	3373	}
2783		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2784	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2785	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2786	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2787	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2788	(async {	3413	(async {
2789	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2790	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2791	};	3417	};
2792		3418
2793	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2794	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2795	load_extensions;	3437	load_extensions;
2796		3438
2797	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2798	Event::loop;	3447	EV::loop;
2799	}	3448	}
2800		3449
2801	#############################################################################	3450	#############################################################################
2802	# initialisation and cleanup	3451	# initialisation and cleanup
2803		3452
2804	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2805	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2806	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2807	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2808	reentrant => 0,
2809	data => WF_AUTOCANCEL,
2810	signal => $signal,
2811	prio => 0,
2812	cb => sub {
2813	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2814	},
2815	);	3459	};
2816	}	3460	}
2817	}	3461	}
2818		3462
2819	sub write_runtime {	3463	sub write_runtime_sync {
2820	my $runtime = "$LOCALDIR/runtime";
2821
2822	# first touch the runtime file to show we are still running:	3464	# first touch the runtime file to show we are still running:
2823	# the fsync below can take a very very long time.	3465	# the fsync below can take a very very long time.
2824		3466
2825	IO::AIO::aio_utime $runtime, undef, undef;	3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2826		3468
2827	my $guard = cf::lock_acquire "write_runtime";	3469	my $guard = cf::lock_acquire "write_runtime";
2828		3470
2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2830	or return;	3472	or return;
2831		3473
2832	my $value = $cf::RUNTIME + 90 + 10;	3474	my $value = $cf::RUNTIME + 90 + 10;
2833	# 10 is the runtime save interval, for a monotonic clock	3475	# 10 is the runtime save interval, for a monotonic clock
2834	# 60 allows for the watchdog to kill the server.	3476	# 60 allows for the watchdog to kill the server.
…		…
2844	aio_utime $fh, undef, undef;	3486	aio_utime $fh, undef, undef;
2845		3487
2846	close $fh	3488	close $fh
2847	or return;	3489	or return;
2848		3490
2849	aio_rename "$runtime~", $runtime	3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2850	and return;	3492	and return;
2851		3493
2852	warn "runtime file written.\n";	3494	warn "runtime file written.\n";
2853		3495
2854	1	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2855	}	3547	}
2856		3548
2857	sub emergency_save() {	3549	sub emergency_save() {
2858	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2859		3551
2860	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2861		3553
2862	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2863	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2864	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2865	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2866	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2867	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2868	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2869	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2870	$pl->save;	3568	$pl->save;
2871	}	3569	}
2872	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2873		3571
2874	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2875	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2876	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2877	$map->valid or next;	3575	$map->valid or next;
2878	$map->save;	3576	$map->save;
2879	}	3577	}
2880	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2881		3579
2882	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2883	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2884	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2885	};	3587	};
2886		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2887	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2888	}	3595	}
2889		3596
2890	sub post_cleanup {	3597	sub post_cleanup {
2891	my ($make_core) = @_;	3598	my ($make_core) = @_;
2892		3599
2893	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
2894	if $make_core;	3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
2895	}	3631	}
2896		3632
2897	sub do_reload_perl() {	3633	sub do_reload_perl() {
2898	# can/must only be called in main	3634	# can/must only be called in main
2899	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2900	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2901	return;	3637	return;
2902	}	3638	}
2903		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2904	warn "reloading...";	3645	warn "reloading...";
2905		3646
2906	warn "entering sync_job";	3647	warn "entering sync_job";
2907		3648
2908	cf::sync_job {	3649	cf::sync_job {
2909	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
2910	cf::emergency_save;	3651	cf::emergency_save;
2911	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
2912		3653
2913	warn "syncing database to disk";	3654	warn "syncing database to disk";
2914	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
2915		3656
2916	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2917		3658
2918	warn "cancelling all WF_AUTOCANCEL watchers";
2919	for (Event::all_watchers) {
2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2921	}
2922
2923	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2924	for (;;) {
2925	BDB::flush;
2926	IO::AIO::flush;
2927	Coro::cede;
2928	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2929	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2930	}
2931
2932	++$RELOAD;
2933
2934	warn "cancelling all extension coros";
2935	$_->cancel for values %EXT_CORO;
2936	%EXT_CORO = ();
2937
2938	warn "removing commands";
2939	%COMMAND = ();
2940
2941	warn "removing ext/exti commands";
2942	%EXTCMD = ();
2943	%EXTICMD = ();
2944
2945	warn "unloading/nuking all extensions";
2946	for my $pkg (@EXTS) {
2947	warn "... unloading $pkg";
2948
2949	if (my $cb = $pkg->can ("unload")) {
2950	eval {
2951	$cb->($pkg);
2952	1
2953	} or warn "$pkg unloaded, but with errors: $@";
2954	}	3662	}
2955		3663
2956	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2957	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2958	}	3666	%EXT_CORO = ();
2959		3667
2960	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2961	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2963		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2964	warn "... unloading $k";	3677	warn "... unloading $pkg";
2965	delete $INC{$k};
2966		3678
2967	$k =~ s/\.pm$//;
2968	$k =~ s/\//::/g;
2969
2970	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2971	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2972	}	3688	}
2973		3689
2974	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
2975	}	3705	}
2976		3706
2977	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2978	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2980		3710
2981	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2982	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
2983	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
2984		3714
2985	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2986	# and global variables created in xs	3716	# and global variables created in xs
2987	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2988		3718
2989	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2990		3720
2991	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2992	require cf;	3722	require cf;
2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2994		3724
2995	warn "loading config and database again";	3725	warn "loading config and database again";
2996	cf::cfg_load;	3726	cf::reload_config;
2997		3727
2998	warn "loading extensions";	3728	warn "loading extensions";
2999	cf::load_extensions;	3729	cf::load_extensions;
3000		3730
		3731	if ($REATTACH_ON_RELOAD) {
3001	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
3002	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
3003	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
3004	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
3005	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
3006	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
3007		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
3008	warn "leaving sync_job";	3743	warn "leaving sync_job";
3009		3744
3010	1	3745	1
3011	} or do {	3746	} or do {
3012	warn $@;	3747	warn $@;
3013	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
3014	exit 1;
3015	};	3749	};
3016		3750
3017	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
3018	};	3757	};
3019		3758
3020	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
3021		3760
3022	sub reload_perl() {	3761	sub reload_perl() {
3023	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
3024	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
3025		3764
3026	$RELOAD_WATCHER ||= Event->timer (	3765	$RELOAD_WATCHER ||= cf::async {
3027	reentrant => 0,	3766	Coro::AIO::aio_wait cache_extensions;
3028	after => 0,	3767
3029	data => WF_AUTOCANCEL,	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3030	cb => sub {
3031	do_reload_perl;	3769	do_reload_perl;
3032	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
3033	},	3771	};
3034	);	3772	};
3035	}	3773	}
3036		3774
3037	register_command "reload" => sub {	3775	register_command "reload" => sub {
3038	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
3039		3777
3040	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
3041	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
		3780	async {
		3781	$Coro::current->{desc} = "perl_reload";
3042	async { reload_perl };	3782	reload_perl;
		3783	};
3043	}	3784	}
3044	};	3785	};
3045		3786
3046	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
3047		3788
…		…
3049		3790
3050	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
3051	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
3052		3793
3053	sub wait_for_tick {	3794	sub wait_for_tick {
3054	return unless $TICK_WATCHER->is_active;
3055	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3056		3796
3057	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3058	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
3059	$signal->wait;	3799	$signal->wait;
3060	}	3800	}
3061		3801
3062	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
3063	return unless $TICK_WATCHER->is_active;
3064	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
3065		3804
3066	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
3067	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
3068	$signal->wait;	3807	$signal->wait;
3069	}	3808	}
3070		3809
3071	my $min = 1e6;#d#	3810	sub tick {
3072	my $avg = 10;
3073	$TICK_WATCHER = Event->timer (
3074	reentrant => 0,
3075	parked => 1,
3076	prio => 0,
3077	at => $NEXT_TICK || $TICK,
3078	data => WF_AUTOCANCEL,
3079	cb => sub {
3080	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3082	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
3083	return;	3814	return;
3084	}	3815	}
3085		3816
3086	$NOW = $tick_start = Event::time;
3087
3088	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
3089		3818
3090	0 && sync_job {#d#	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3091	for(1..10) {	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3092	my $t = Event::time;	3821	Coro::async_pool {
3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3822	$Coro::current->{desc} = "runtime saver";
3094	or die;	3823	write_runtime_sync
3095		3824	or warn "ERROR: unable to write runtime file: $!";
3096	$map->width (50);
3097	$map->height (50);
3098	$map->alloc;
3099	$map->_load_objects ("/tmp/x.map", 1);
3100	my $t = Event::time - $t;
3101
3102	#next unless $t < 0.0013;#d#
3103	if ($t < $min) {
3104	$min = $t;
3105	}
3106	$avg = $avg * 0.99 + $t * 0.01;
3107	}
3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3109	exit 0;
3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3111	};	3825	};
		3826	}
3112		3827
3113	$RUNTIME += $TICK;
3114	$NEXT_TICK += $TICK;
3115
3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
3118	Coro::async_pool {
3119	write_runtime
3120	or warn "ERROR: unable to write runtime file: $!";
3121	};
3122	}
3123
3124	# my $AFTER = Event::time;
3125	# warn $AFTER - $NOW;#d#
3126
3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3128	$sig->send;	3829	$sig->send;
3129	}	3830	}
3130	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
3131	$sig->send;	3832	$sig->send;
3132	}	3833	}
3133		3834
3134	$NOW = Event::time;	3835	$LOAD = ($NOW - $TICK_START) / $TICK;
3135
3136	# if we are delayed by four ticks or more, skip them all
3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3138
3139	$TICK_WATCHER->at ($NEXT_TICK);
3140	$TICK_WATCHER->start;
3141
3142	$LOAD = ($NOW - $tick_start) / $TICK;
3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3144		3837
3145	_post_tick;	3838	if (0) {
3146		3839	if ($NEXT_TICK) {
3147		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
3148	},	3844	}
3149	);	3845	}
3150		3846
3151	{	3847	{
3152	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
3153	$BDB_POLL_WATCHER = Event->io (	3849
3154	reentrant => 0,
3155	fd => BDB::poll_fileno,
3156	poll => 'r',
3157	prio => 0,
3158	data => WF_AUTOCANCEL,
3159	cb => \&BDB::poll_cb,
3160	);
3161	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
3162		3851	BDB::max_poll_reqs $TICK * 0.1;
3163	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
3164	my $status;
3165	my $current = $Coro::current;
3166	(
3167	sub {
3168	$status = $!;
3169	$current->ready; undef $current;
3170	},
3171	sub {
3172	Coro::schedule while defined $current;
3173	$! = $status;
3174	},
3175	)
3176	};
3177		3853
3178	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
3179	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3180		3861
3181	cf::sync_job {	3862	cf::sync_job {
3182	eval {	3863	eval {
3183	BDB::db_env_open	3864	BDB::db_env_open
3184	$DB_ENV,	3865	$DB_ENV,
…		…
3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3188	0666;	3869	0666;
3189		3870
3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3191
3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3193	$DB_ENV->set_lk_detect;
3194	};	3872	};
3195		3873
3196	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
3197	};	3875	};
3198	}	3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
3199	}	3887	}
3200		3888
3201	{	3889	{
		3890	# configure IO::AIO
		3891
3202	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
3203
3204	undef $Coro::AIO::WATCHER;
3205	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
3206	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	fd => IO::AIO::poll_fileno,
3210	poll => 'r',
3211	prio => 6,
3212	cb => \&IO::AIO::poll_cb,
3213	);
3214	}	3895	}
3215		3896
3216	my $_log_backtrace;	3897	my $_log_backtrace;
3217		3898
3218	sub _log_backtrace {	3899	sub _log_backtrace {
…		…
3221	$msg =~ s/\n//;	3902	$msg =~ s/\n//;
3222		3903
3223	# limit the # of concurrent backtraces	3904	# limit the # of concurrent backtraces
3224	if ($_log_backtrace < 2) {	3905	if ($_log_backtrace < 2) {
3225	++$_log_backtrace;	3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
3226	async {	3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
3227	my @bt = fork_call {	3911	my @bt = fork_call {
3228	@addr = map { sprintf "%x", $_ } @addr;	3912	@addr = map { sprintf "%x", $_ } @addr;
3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3231	or die "addr2line: $!";	3915	or die "addr2line: $!";
…		…
3239	}	3923	}
3240		3924
3241	@funcs	3925	@funcs
3242	};	3926	};
3243		3927
3244	LOG llevInfo, "[ABT] $msg\n";	3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3245	LOG llevInfo, "[ABT] $_\n" for @bt;	3930	LOG llevInfo, "[ABT] $_\n" for @bt;
3246	--$_log_backtrace;	3931	--$_log_backtrace;
3247	};	3932	};
3248	} else {	3933	} else {
3249	LOG llevInfo, "[ABT] $msg\n";	3934	LOG llevInfo, "[ABT] $msg\n";

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