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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.290 by root, Mon Jul 2 03:15:30 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<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1414		1647
1415	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1416		1649
1417	=cut	1650	=cut
1418		1651
1419	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1421		1654
1422	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1424	}	1656	}
1425		1657
1426	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1427		1659
1428	Sends an ext event to the client.	1660	Sends an ext event to the client.
1429		1661
1430	=cut	1662	=cut
1431		1663
1432	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1434		1666
1435	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1436	}	1668	}
1437		1669
1438	=head3 cf::region	1670	=head3 cf::region
1439		1671
1440	=over 4	1672	=over 4
…		…
1453	my ($path) = @_;	1685	my ($path) = @_;
1454		1686
1455	my ($match, $specificity);	1687	my ($match, $specificity);
1456		1688
1457	for my $region (list) {	1689	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1461	}	1693	}
1462	}	1694	}
1463		1695
…		…
1484	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1486		1718
1487	sub generate_random_map {	1719	sub generate_random_map {
1488	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
1489	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1725	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1583	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1584	return $self;	1819	return $self;
1585	}	1820	}
1586	}	1821	}
1587		1822
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1589	()	1824	()
1590	}	1825	}
1591		1826
1592	sub init {	1827	sub init {
1593	my ($self) = @_;	1828	my ($self) = @_;
…		…
1615		1850
1616	# the temporary/swap location	1851	# the temporary/swap location
1617	sub save_path {	1852	sub save_path {
1618	my ($self) = @_;	1853	my ($self) = @_;
1619		1854
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1622	}	1857	}
1623		1858
1624	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1625	sub uniq_path {	1860	sub uniq_path {
1626	my ($self) = @_;	1861	my ($self) = @_;
1627		1862
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1630	}	1865	}
1631		1866
1632	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1633	# all maps in C++...	1868	# all maps in C++...
…		…
1656		1891
1657	sub load_header_from($) {	1892	sub load_header_from($) {
1658	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1659		1894
1660	utf8::encode $path;	1895	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	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;
1666		1904
1667	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1668		1906
1669	1	1907	1
1670	}	1908	}
…		…
1724	sub find {	1962	sub find {
1725	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1726		1964
1727	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1728		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1730		1969
1731	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1734	or return;	1972	or return;
1735		1973
1736	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1737		1975
…		…
1739	or return;	1977	or return;
1740		1978
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1744	$map->reset;	1984	$map->reset;
1745	undef $guard;
1746	return find $path;	1985	return find $path;
1747	}	1986	}
1748		1987
1749	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1750	}	1989	}
…		…
1759	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1760		1999
1761	my $path = $self->{path};	2000	my $path = $self->{path};
1762		2001
1763	{	2002	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1765		2004
		2005	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2007
1768	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1769		2009
1770	$self->alloc;	2010	$self->alloc;
1771		2011
1772	$self->pre_load;	2012	$self->pre_load;
1773	Coro::cede;	2013	cf::cede_to_tick;
1774		2014
		2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2017	$self->_load_objects ($f)
1776	or return;	2018	or return;
1777		2019
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1779	if delete $self->{load_original};	2021	if delete $self->{load_original};
1780		2022
1781	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2024	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2027	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1786	}	2031	}
1787	}	2032	}
1788		2033
1789	Coro::cede;	2034	$f->resolve_delayed_derefs;
		2035
		2036	cf::cede_to_tick;
1790	# now do the right thing for maps	2037	# now do the right thing for maps
1791	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2040	unless $self->difficulty;
1794	Coro::cede;	2041	cf::cede_to_tick;
1795		2042
1796	unless ($self->{deny_activate}) {	2043	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2044	$self->decay_objects;
1798	$self->fix_auto_apply;	2045	$self->fix_auto_apply;
1799	$self->update_buttons;	2046	$self->update_buttons;
1800	Coro::cede;	2047	cf::cede_to_tick;
1801	$self->set_darkness_map;	2048	$self->set_darkness_map;
1802	Coro::cede;	2049	cf::cede_to_tick;
1803	$self->activate;	2050	$self->activate;
1804	}	2051	}
1805		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2057	}
1808		2058
1809	$self->post_load;	2059	$self->post_load;
1810	}	2060	}
1811		2061
…		…
1820		2070
1821	$self	2071	$self
1822	}	2072	}
1823		2073
1824	# 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
1825	sub load_diag {	2075	sub load_neighbours {
1826	my ($map) = @_;	2076	my ($map) = @_;
1827		2077
1828	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1829		2079
1830	for (0 .. 3) {	2080	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1832	or next;	2082	or next;
1833	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1834	or next;	2084	or next;
1835	$neigh->load;	2085	$neigh->load;
1836		2086
		2087	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2090	}
1840		2091
1841	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1843	or next;	2095	or next;
1844	$neigh->load;	2096	$neigh->load;
1845	}	2097	}
1846	}	2098	}
1847		2099
…		…
1852	}	2104	}
1853		2105
1854	sub do_load_sync {	2106	sub do_load_sync {
1855	my ($map) = @_;	2107	my ($map) = @_;
1856		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1857	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1858	}	2113	}
1859		2114
1860	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1862		2117
1863	sub find_async {	2118	sub find_async {
1864	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1865		2120
1866	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1867		2122
1868	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2125	}
1871		2126
1872	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1873	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1874	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2134	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2135	$map->load if $v;
		2136	}
1879		2137
1880	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1881	}	2139	}
1882	}	2140	}
1883	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1884	};	2142	};
1885	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1888	}	2146	}
1889		2147
1890	sub save {	2148	sub save {
1891	my ($self) = @_;	2149	my ($self) = @_;
1892		2150
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1894		2152
1895	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1896		2154
1897	return unless $self->dirty;	2155	return unless $self->dirty;
1898		2156
…		…
1904	return if $self->{deny_save};	2162	return if $self->{deny_save};
1905		2163
1906	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1907		2165
1908	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1910	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1911		2172
1912	if ($uniq) {	2173	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2176	} else {
…		…
1921	my ($self) = @_;	2182	my ($self) = @_;
1922		2183
1923	# save first because save cedes	2184	# save first because save cedes
1924	$self->save;	2185	$self->save;
1925		2186
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2188
1928	return if $self->players;	2189	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1930	return if $self->{deny_save};	2191	return if $self->{deny_save};
1931		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1932	$self->clear;	2197	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2198	}
1935		2199
1936	sub reset_at {	2200	sub reset_at {
1937	my ($self) = @_;	2201	my ($self) = @_;
1938		2202
…		…
1970	if $uniq;	2234	if $uniq;
1971	}	2235	}
1972		2236
1973	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1974		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2241	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2242
1979	$self->unlink_save;	2243	$self->unlink_save;
1980	$self->destroy;	2244	$self->destroy;
1981	}	2245	}
1982		2246
1983	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1984		2248
1985	sub nuke {	2249	sub nuke {
1986	my ($self) = @_;	2250	my ($self) = @_;
1987		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1988	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1989		2256
1990	$self->unlink_save;	2257	$self->unlink_save;
1991		2258
1992	bless $self, "cf::map";	2259	bless $self, "cf::map";
1993	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2264
1998	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1999		2267
2000	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
2001	}	2269	}
2002		2270
2003	=item $maps = cf::map::tmp_maps	2271	=item $maps = cf::map::tmp_maps
…		…
2045		2313
2046	sub unique_maps() {	2314	sub unique_maps() {
2047	[	2315	[
2048	map {	2316	map {
2049	utf8::decode $_;	2317	utf8::decode $_;
2050	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2051	? normalise $_	2321	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2323	]
2055	}	2324	}
2056		2325
2057	package cf;
2058
2059	=back	2326	=back
2060		2327
2061	=head3 cf::object	2328	=head3 cf::object
2062		2329
2063	=cut	2330	=cut
…		…
2066		2333
2067	=over 4	2334	=over 4
2068		2335
2069	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2070		2337
2071	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.
2072		2340
2073	=cut	2341	=cut
2074		2342
2075	sub inv_recursive_;	2343	sub inv_recursive_;
2076	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2079		2347
2080	sub inv_recursive {	2348	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2082	}	2350	}
2083		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
2084	package cf;	2380	package cf;
2085		2381
2086	=back	2382	=back
2087		2383
2088	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
2094	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>
2095	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
2096	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2097		2393
2098	=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	};
2099		2409
2100	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2411	# with dialog boxes.
2102	#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
2103	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
2110		2420
2111	} else {	2421	} else {
2112	my $pl = $self->contr;	2422	my $pl = $self->contr;
2113		2423
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2427
2123	} else {	2428	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2431	}
2127	}	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 (@_);
2128	}	2443	}
2129		2444
2130	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
2131		2446
2132	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
2145		2460
2146	=item $player_object->enter_link	2461	=item $player_object->enter_link
2147		2462
2148	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}>).
2149		2464
2150	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.
2151	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.
2152		2469
2153	Will never block.	2470	Will never block.
2154		2471
2155	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2156		2473
…		…
2211	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
2214		2531
2215	$map->load;	2532	$map->load;
2216	$map->load_diag;	2533	$map->load_neighbours;
2217		2534
2218	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2219	$self->activate_recursive;	2537	$self->activate_recursive;
2220		2538
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2223	}	2541	}
2224		2542
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2226		2544
2227	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
2228	her, loading and preparing them map, calling the provided $check callback	2546	her, loading and preparing them map, calling the provided $check callback
2229	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
2230	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 >>.
2231		2553
2232	=cut	2554	=cut
2233		2555
2234	our $GOTOGEN;	2556	our $GOTOGEN;
2235		2557
2236	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
2238		2560
2239	# 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
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2563
2242	$self->enter_link;	2564	$self->enter_link;
2243		2565
2244	(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
2245	my $map = eval {	2588	my $map = eval {
2246	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
2247		2590
2248	if ($map) {	2591	if ($map) {
2249	$map = $map->customise_for ($self);	2592	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2593	$map = $check->($map) if $check && $map;
2251	} else {	2594	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2596	}
2254		2597
2255	$map	2598	$map
2256	};	2599	};
2257		2600
…		…
2262		2605
2263	if ($gen == $self->{_goto_generation}) {	2606	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2607	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
2266	}	2609	}
		2610
		2611	$done->() if $done;
2267	})->prio (1);	2612	})->prio (1);
2268	}	2613	}
2269		2614
2270	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
2271		2616
…		…
2291	}	2636	}
2292		2637
2293	sub prepare_random_map {	2638	sub prepare_random_map {
2294	my ($exit) = @_;	2639	my ($exit) = @_;
2295		2640
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2643	# that depends on the exit object
2301		2644
2302	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2647	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2309	}	2654	}
2310		2655
2311	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2312		2657
2313	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2316		2661
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2664	undef $fh;
2320	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2321		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2324	}	2673	}
2325	}	2674	}
2326		2675
2327	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2329		2678
2330	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2331		2680
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2681	$self->enter_link;
2344		2682
2345	(async {	2683	(async {
2346	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
2347	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
2348	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2349		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
2350	1;	2707	1
2351	}) {	2708	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "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. "
2354	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2713
2357	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2376		2733
2377	utf8::encode $text;	2734	utf8::encode $text;
2378	$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);
2379	}	2736	}
2380		2737
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2739
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2740	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2741	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	2742	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2743	the message unless the client supports the msg packet.
2387		2744
2388	=cut	2745	=cut
2389		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
2390	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2392		2813
2393	$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 $msg;
2394		2840
2395	if ($self->can_msg) {	2841	if ($self->can_msg) {
2396	$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);
2397	} else {	2862	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407
2408	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
2409	if (0 && $msg =~ /\[/) {	2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
2411	} else {	2881	} else {
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2413	$self->send_packet ("drawinfo $color $msg")	2883	$self->send_packet ("drawinfo $color $msg")
2414	}	2884	}
2415	}	2885	}
2416	}	2886	}
2417	}	2887	}
2418		2888
2419	=item $client->ext_event ($type, %msg)	2889	=item $client->ext_msg ($type, @msg)
2420		2890
2421	Sends an ext event to the client.	2891	Sends an ext event to the client.
2422		2892
2423	=cut	2893	=cut
2424		2894
2425	sub cf::client::ext_event($$%) {	2895	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	2896	my ($self, $type, @msg) = @_;
2427		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	2901	push @msg, msgtype => "event_$type";
2429	$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	}
2430	}	2922	}
2431		2923
2432	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2433		2925
2434	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
…		…
2489	my ($ns, $buf) = @_;	2981	my ($ns, $buf) = @_;
2490		2982
2491	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2492		2984
2493	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
2494	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2993	if (my $cb = $EXTICMD{$type}) {
2495	if (my %reply = $cb->($ns, $msg)) {	2994	@reply = $cb->($ns, @payload);
2496	$reply{msgid} = $msg->{msgid};
2497	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2498	}
2499	}	2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
2500	} else {	3000	} else {
2501	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";
2502	}	3002	}
2503		3003
2504	cf::override;	3004	cf::override;
…		…
2551	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2552	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2553		3053
2554	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2555		3055
2556	$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	));
2557		3061
2558	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2559		3063
2560	=pod	3064	=pod
2561		3065
2562	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2563		3067
2564	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
2565	cf::object::player player	3072	cf::object::player
2566	cf::player peaceful	3073	player
2567	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2568		3080
2569	=cut	3081	=cut
2570		3082
2571	for (	3083	for (
2572	["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)],
2573	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2574	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2575	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2576	) {	3090	) {
2577	no strict 'refs';	3091	no strict 'refs';
…		…
2653	# the server's init and main functions	3167	# the server's init and main functions
2654		3168
2655	sub load_facedata($) {	3169	sub load_facedata($) {
2656	my ($path) = @_;	3170	my ($path) = @_;
2657		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
2658	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2659		3179
2660	my $facedata;	3180	my $facedata;
2661	0 < aio_load $path, $facedata	3181	0 < aio_load $path, $facedata
2662	or die "$path: $!";	3182	or die "$path: $!";
…		…
2664	$facedata = Coro::Storable::thaw $facedata;	3184	$facedata = Coro::Storable::thaw $facedata;
2665		3185
2666	$facedata->{version} == 2	3186	$facedata->{version} == 2
2667	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2668		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
2669	{	3196	{
2670	my $faces = $facedata->{faceinfo};	3197	my $faces = $facedata->{faceinfo};
2671		3198
2672	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2673	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
2674	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
2675	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2676	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2677	Coro::cede;	3206
		3207	cf::cede_to_tick;
2678	}	3208	}
2679		3209
2680	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2681	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2682	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2683	or next;	3214	or next;
		3215
2684	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
2685	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2686	} else {	3219	} else {
2687	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
2688	}	3221	}
2689	Coro::cede;	3222
		3223	cf::cede_to_tick;
2690	}	3224	}
2691	}	3225	}
2692		3226
2693	{	3227	{
2694	my $anims = $facedata->{animinfo};	3228	my $anims = $facedata->{animinfo};
2695		3229
2696	while (my ($anim, $info) = each %$anims) {	3230	while (my ($anim, $info) = each %$anims) {
2697	cf::anim::set $anim, $info->{frames}, $info->{facings};	3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
2698	Coro::cede;	3232	cf::cede_to_tick;
2699	}	3233	}
2700		3234
2701	cf::anim::invalidate_all; # d'oh	3235	cf::anim::invalidate_all; # d'oh
2702	}	3236	}
2703		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
2704	1	3273	1
2705	}	3274	}
2706		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
2707	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
2708	load_resource_file "$MAPDIR/regions"	3319	load_resource_file "$MAPDIR/regions"
2709	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	}
2710	}	3326	}
2711		3327
2712	sub reload_facedata {	3328	sub reload_facedata {
2713	load_facedata "$DATADIR/facedata"	3329	load_facedata "$DATADIR/facedata"
2714	or die "unable to load facedata\n";	3330	or die "unable to load facedata\n";
2715	}	3331	}
2716		3332
2717	sub reload_archetypes {	3333	sub reload_archetypes {
2718	load_resource_file "$DATADIR/archetypes"	3334	load_resource_file "$DATADIR/archetypes"
2719	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
2720	#d# NEED to laod twice to resolve forward references
2721	# this really needs to be done in an extra post-pass
2722	# (which needs to be synchronous, so solve it differently)
2723	load_resource_file "$DATADIR/archetypes"
2724	or die "unable to load archetypes\n";
2725	}	3336	}
2726		3337
2727	sub reload_treasures {	3338	sub reload_treasures {
2728	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
2729	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
2730	}	3341	}
2731		3342
2732	sub reload_resources {	3343	sub reload_resources {
2733	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2734		3345
		3346	reload_facedata;
		3347	reload_archetypes;
2735	reload_regions;	3348	reload_regions;
2736	reload_facedata;
2737	#reload_archetypes;#d#
2738	reload_archetypes;
2739	reload_treasures;	3349	reload_treasures;
2740		3350
2741	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
2742	}	3352	}
2743		3353
2744	sub init {	3354	sub reload_config {
2745	reload_resources;
2746	}
2747
2748	sub cfg_load {
2749	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2750	or return;	3356	or return;
2751		3357
2752	local $/;	3358	local $/;
2753	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2754		3360
2755	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2756		3362
2757	$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};
2758	$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};
…		…
2764	};	3370	};
2765	warn $@ if $@;	3371	warn $@ if $@;
2766	}	3372	}
2767	}	3373	}
2768		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
2769	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
2770	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2771	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2772	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#
2773	(async {	3413	(async {
2774	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2775	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2776	};	3417	};
2777		3418
2778	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2779	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
2780	load_extensions;	3437	load_extensions;
2781		3438
2782	$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
2783	Event::loop;	3447	EV::loop;
2784	}	3448	}
2785		3449
2786	#############################################################################	3450	#############################################################################
2787	# initialisation and cleanup	3451	# initialisation and cleanup
2788		3452
2789	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2790	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2791	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2792	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2793	reentrant => 0,
2794	data => WF_AUTOCANCEL,
2795	signal => $signal,
2796	prio => 0,
2797	cb => sub {
2798	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2799	},
2800	);	3459	};
2801	}	3460	}
2802	}	3461	}
2803		3462
2804	sub write_runtime {	3463	sub write_runtime_sync {
2805	my $runtime = "$LOCALDIR/runtime";
2806
2807	# first touch the runtime file to show we are still running:	3464	# first touch the runtime file to show we are still running:
2808	# the fsync below can take a very very long time.	3465	# the fsync below can take a very very long time.
2809		3466
2810	IO::AIO::aio_utime $runtime, undef, undef;	3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2811		3468
2812	my $guard = cf::lock_acquire "write_runtime";	3469	my $guard = cf::lock_acquire "write_runtime";
2813		3470
2814	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2815	or return;	3472	or return;
2816		3473
2817	my $value = $cf::RUNTIME + 90 + 10;	3474	my $value = $cf::RUNTIME + 90 + 10;
2818	# 10 is the runtime save interval, for a monotonic clock	3475	# 10 is the runtime save interval, for a monotonic clock
2819	# 60 allows for the watchdog to kill the server.	3476	# 60 allows for the watchdog to kill the server.
…		…
2829	aio_utime $fh, undef, undef;	3486	aio_utime $fh, undef, undef;
2830		3487
2831	close $fh	3488	close $fh
2832	or return;	3489	or return;
2833		3490
2834	aio_rename "$runtime~", $runtime	3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2835	and return;	3492	and return;
2836		3493
2837	warn "runtime file written.\n";	3494	warn "runtime file written.\n";
2838		3495
2839	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 };
2840	}	3547	}
2841		3548
2842	sub emergency_save() {	3549	sub emergency_save() {
2843	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2844		3551
2845	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2846		3553
2847	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
2848	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2849	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2850	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2851	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2852	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2853	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2854	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2855	$pl->save;	3568	$pl->save;
2856	}	3569	}
2857	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2858		3571
2859	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2860	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2861	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2862	$map->valid or next;	3575	$map->valid or next;
2863	$map->save;	3576	$map->save;
2864	}	3577	}
2865	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2866		3579
2867	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2868	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2869	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";
2870	};	3587	};
2871		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
2872	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2873	}	3595	}
2874		3596
2875	sub post_cleanup {	3597	sub post_cleanup {
2876	my ($make_core) = @_;	3598	my ($make_core) = @_;
2877		3599
2878	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
2879	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 $pkg\n";#d#
2880	}	3631	}
2881		3632
2882	sub do_reload_perl() {	3633	sub do_reload_perl() {
2883	# can/must only be called in main	3634	# can/must only be called in main
2884	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2885	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2886	return;	3637	return;
2887	}	3638	}
2888		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2889	warn "reloading...";	3645	warn "reloading...";
2890		3646
2891	warn "entering sync_job";	3647	warn "entering sync_job";
2892		3648
2893	cf::sync_job {	3649	cf::sync_job {
2894	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
2895	cf::emergency_save;	3651	cf::emergency_save;
2896	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
2897		3653
2898	warn "syncing database to disk";	3654	warn "syncing database to disk";
2899	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
2900		3656
2901	# 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
2902		3658
2903	warn "cancelling all WF_AUTOCANCEL watchers";
2904	for (Event::all_watchers) {
2905	$_->cancel if $_->data & WF_AUTOCANCEL;
2906	}
2907
2908	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2909	for (;;) {
2910	BDB::flush;
2911	IO::AIO::flush;
2912	Coro::cede;
2913	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2914	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2915	}
2916
2917	++$RELOAD;
2918
2919	warn "cancelling all extension coros";
2920	$_->cancel for values %EXT_CORO;
2921	%EXT_CORO = ();
2922
2923	warn "removing commands";
2924	%COMMAND = ();
2925
2926	warn "removing ext/exti commands";
2927	%EXTCMD = ();
2928	%EXTICMD = ();
2929
2930	warn "unloading/nuking all extensions";
2931	for my $pkg (@EXTS) {
2932	warn "... unloading $pkg";
2933
2934	if (my $cb = $pkg->can ("unload")) {
2935	eval {
2936	$cb->($pkg);
2937	1
2938	} or warn "$pkg unloaded, but with errors: $@";
2939	}	3662	}
2940		3663
2941	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2942	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2943	}	3666	%EXT_CORO = ();
2944		3667
2945	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2946	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2947	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2948		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2949	warn "... unloading $k";	3677	warn "... unloading $pkg";
2950	delete $INC{$k};
2951		3678
2952	$k =~ s/\.pm$//;
2953	$k =~ s/\//::/g;
2954
2955	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2956	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2957	}	3688	}
2958		3689
2959	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 $k;
2960	}	3705	}
2961		3706
2962	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2963	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2964	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);
2965		3710
2966	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2967	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
2968	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
2969		3714
2970	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2971	# and global variables created in xs	3716	# and global variables created in xs
2972	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2973		3718
2974	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2975		3720
2976	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2977	require cf;	3722	require cf;
2978	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2979		3724
2980	warn "loading config and database again";	3725	warn "loading config and database again";
2981	cf::cfg_load;	3726	cf::reload_config;
2982		3727
2983	warn "loading extensions";	3728	warn "loading extensions";
2984	cf::load_extensions;	3729	cf::load_extensions;
2985		3730
		3731	if ($REATTACH_ON_RELOAD) {
2986	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2987	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
2988	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2989	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
2990	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
2991	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
2992		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
2993	warn "leaving sync_job";	3743	warn "leaving sync_job";
2994		3744
2995	1	3745	1
2996	} or do {	3746	} or do {
2997	warn $@;	3747	warn $@;
2998	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
2999	exit 1;
3000	};	3749	};
3001		3750
3002	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
3003	};	3757	};
3004		3758
3005	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
3006		3760
3007	sub reload_perl() {	3761	sub reload_perl() {
3008	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
3009	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
3010		3764
3011	$RELOAD_WATCHER ||= Event->timer (	3765	$RELOAD_WATCHER ||= cf::async {
3012	reentrant => 0,	3766	Coro::AIO::aio_wait cache_extensions;
3013	after => 0,	3767
3014	data => WF_AUTOCANCEL,	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3015	cb => sub {
3016	do_reload_perl;	3769	do_reload_perl;
3017	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
3018	},	3771	};
3019	);	3772	};
3020	}	3773	}
3021		3774
3022	register_command "reload" => sub {	3775	register_command "reload" => sub {
3023	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
3024		3777
3025	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
3026	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
		3780	async {
		3781	$Coro::current->{desc} = "perl_reload";
3027	async { reload_perl };	3782	reload_perl;
		3783	};
3028	}	3784	}
3029	};	3785	};
3030		3786
3031	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
3032		3788
…		…
3034		3790
3035	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
3036	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
3037		3793
3038	sub wait_for_tick {	3794	sub wait_for_tick {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3041		3796
3042	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
3044	$signal->wait;	3799	$signal->wait;
3045	}	3800	}
3046		3801
3047	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
3048	return unless $TICK_WATCHER->is_active;
3049	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
3050		3804
3051	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
3052	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
3053	$signal->wait;	3807	$signal->wait;
3054	}	3808	}
3055		3809
3056	my $min = 1e6;#d#	3810	sub tick {
3057	my $avg = 10;
3058	$TICK_WATCHER = Event->timer (
3059	reentrant => 0,
3060	parked => 1,
3061	prio => 0,
3062	at => $NEXT_TICK || $TICK,
3063	data => WF_AUTOCANCEL,
3064	cb => sub {
3065	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
3066	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3067	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
3068	return;	3814	return;
3069	}	3815	}
3070		3816
3071	$NOW = $tick_start = Event::time;
3072
3073	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
3074		3818
3075	0 && sync_job {#d#	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3076	for(1..10) {	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3077	my $t = Event::time;	3821	Coro::async_pool {
3078	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3822	$Coro::current->{desc} = "runtime saver";
3079	or die;	3823	write_runtime_sync
3080		3824	or warn "ERROR: unable to write runtime file: $!";
3081	$map->width (50);
3082	$map->height (50);
3083	$map->alloc;
3084	$map->_load_objects ("/tmp/x.map", 1);
3085	my $t = Event::time - $t;
3086
3087	#next unless $t < 0.0013;#d#
3088	if ($t < $min) {
3089	$min = $t;
3090	}
3091	$avg = $avg * 0.99 + $t * 0.01;
3092	}
3093	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3094	exit 0;
3095	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3096	};	3825	};
		3826	}
3097		3827
3098	$RUNTIME += $TICK;
3099	$NEXT_TICK += $TICK;
3100
3101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3102	$NEXT_RUNTIME_WRITE = $NOW + 10;
3103	Coro::async_pool {
3104	write_runtime
3105	or warn "ERROR: unable to write runtime file: $!";
3106	};
3107	}
3108
3109	# my $AFTER = Event::time;
3110	# warn $AFTER - $NOW;#d#
3111
3112	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3113	$sig->send;	3829	$sig->send;
3114	}	3830	}
3115	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
3116	$sig->send;	3832	$sig->send;
3117	}	3833	}
3118		3834
3119	$NOW = Event::time;	3835	$LOAD = ($NOW - $TICK_START) / $TICK;
3120
3121	# if we are delayed by four ticks or more, skip them all
3122	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3123
3124	$TICK_WATCHER->at ($NEXT_TICK);
3125	$TICK_WATCHER->start;
3126
3127	$LOAD = ($NOW - $tick_start) / $TICK;
3128	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3129		3837
3130	_post_tick;	3838	if (0) {
3131		3839	if ($NEXT_TICK) {
3132		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
3133	},	3844	}
3134	);	3845	}
3135		3846
3136	{	3847	{
3137	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
3138	$BDB_POLL_WATCHER = Event->io (	3849
3139	reentrant => 0,
3140	fd => BDB::poll_fileno,
3141	poll => 'r',
3142	prio => 0,
3143	data => WF_AUTOCANCEL,
3144	cb => \&BDB::poll_cb,
3145	);
3146	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
3147		3851	BDB::max_poll_reqs $TICK * 0.1;
3148	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
3149	my $status;
3150	my $current = $Coro::current;
3151	(
3152	sub {
3153	$status = $!;
3154	$current->ready; undef $current;
3155	},
3156	sub {
3157	Coro::schedule while defined $current;
3158	$! = $status;
3159	},
3160	)
3161	};
3162		3853
3163	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
3164	$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);
3165		3861
3166	cf::sync_job {	3862	cf::sync_job {
3167	eval {	3863	eval {
3168	BDB::db_env_open	3864	BDB::db_env_open
3169	$DB_ENV,	3865	$DB_ENV,
…		…
3171	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3172	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3173	0666;	3869	0666;
3174		3870
3175	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3176
3177	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3178	$DB_ENV->set_lk_detect;
3179	};	3872	};
3180		3873
3181	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
3182	};	3875	};
3183	}	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	};
3184	}	3887	}
3185		3888
3186	{	3889	{
		3890	# configure IO::AIO
		3891
3187	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
3188
3189	undef $Coro::AIO::WATCHER;
3190	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
3191	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
3192	reentrant => 0,
3193	data => WF_AUTOCANCEL,
3194	fd => IO::AIO::poll_fileno,
3195	poll => 'r',
3196	prio => 6,
3197	cb => \&IO::AIO::poll_cb,
3198	);
3199	}	3895	}
3200		3896
3201	my $_log_backtrace;	3897	my $_log_backtrace;
3202		3898
3203	sub _log_backtrace {	3899	sub _log_backtrace {
…		…
3206	$msg =~ s/\n//;	3902	$msg =~ s/\n//;
3207		3903
3208	# limit the # of concurrent backtraces	3904	# limit the # of concurrent backtraces
3209	if ($_log_backtrace < 2) {	3905	if ($_log_backtrace < 2) {
3210	++$_log_backtrace;	3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
3211	async {	3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
3212	my @bt = fork_call {	3911	my @bt = fork_call {
3213	@addr = map { sprintf "%x", $_ } @addr;	3912	@addr = map { sprintf "%x", $_ } @addr;
3214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3215	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 |"
3216	or die "addr2line: $!";	3915	or die "addr2line: $!";
…		…
3224	}	3923	}
3225		3924
3226	@funcs	3925	@funcs
3227	};	3926	};
3228		3927
3229	LOG llevInfo, "[ABT] $msg\n";	3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3230	LOG llevInfo, "[ABT] $_\n" for @bt;	3930	LOG llevInfo, "[ABT] $_\n" for @bt;
3231	--$_log_backtrace;	3931	--$_log_backtrace;
3232	};	3932	};
3233	} else {	3933	} else {
3234	LOG llevInfo, "[ABT] $msg\n";	3934	LOG llevInfo, "[ABT] $msg\n";

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