ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC vs.
Revision 1.478 by root, Thu Sep 17 01:57:31 2009 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 qw(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 3.64 ();	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;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.32 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
63		93
64	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	95	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
75		109
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	112	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
86		121
87	our %CFG;	122	our %CFG;
88		123
89	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
91		127
92	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
95		131
96	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		134
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
102		144
103	binmode STDOUT;	145	binmode STDOUT;
104	binmode STDERR;	146	binmode STDERR;
105		147
106	# read virtual server time, if available	148	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
111	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
112		156
113	mkdir $_	157	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		159
116	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
159		203
160	The raw value load value from the last tick.	204	The raw value load value from the last tick.
161		205
162	=item %cf::CFG	206	=item %cf::CFG
163		207
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	209	from wherever your confdir points to.
166		210
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		212
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
178		222
179	=back	223	=back
180		224
181	=cut	225	=cut
182		226
183	BEGIN {	227	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	228	my $msg = join "", @_;
186		229
187	$msg .= "\n"	230	$msg .= "\n"
188	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
189		232
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		234
192	utf8::encode $msg;
193	LOG llevError, $msg;	235	LOG llevError, $msg;
194	};	236	};
195	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	Coro::terminate
		250	};
196		251
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	262	for my $pkg (qw(
208	cf::global cf::attachable	263	cf::global cf::attachable
209	cf::object cf::object::player	264	cf::object cf::object::player
210	cf::client cf::player	265	cf::client cf::player
211	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
212	cf::map cf::party cf::region	268	cf::party cf::region
213	)) {	269	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	271	}
217		272
218	$Event::DIED = sub {	273	$EV::DIED = sub {
219	warn "error in event callback: @_";	274	warn "error in event callback: @_";
220	};	275	};
221		276
222	#############################################################################	277	#############################################################################
223		278
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	302	$d
248	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
249	}	304	}
250		305
251	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
252		307
253	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
254		309
255	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
256		311
257	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
258		313
259	=cut	314	=cut
260		315
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		317
263	sub to_json ($) { $json_coder->encode ($_[0]) }	318	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
265		334
266	=item cf::lock_wait $string	335	=item cf::lock_wait $string
267		336
268	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
269		338
270	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
271		340
272	Wait until the given lock is available and then acquires it and returns	341	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
275	returned.	344	returned.
276		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
277	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
279		351
280	=item $locked = cf::lock_active $string	352	=item $locked = cf::lock_active $string
281		353
282	Return true if the lock is currently active, i.e. somebody has locked it.	354	Return true if the lock is currently active, i.e. somebody has locked it.
283		355
284	=cut	356	=cut
285		357
286	our %LOCK;	358	our $LOCKS = new Coro::SemaphoreSet;
287		359
288	sub lock_wait($) {	360	sub lock_wait($) {
289	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	362	}
297		363
298	sub lock_acquire($) {	364	sub lock_acquire($) {
299	my ($key) = @_;	365	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	366	}
311		367
312	sub lock_active($) {	368	sub lock_active($) {
313	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	370	}
317		371
318	sub freeze_mainloop {	372	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
320		374
321	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	376	}
323	};	377
324	$TICK_WATCHER->stop;	378	=item cf::periodic $interval, $cb
325	$guard	379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
326	}	391	}
327		392
328	=item cf::get_slot $time[, $priority[, $name]]	393	=item cf::get_slot $time[, $priority[, $name]]
329		394
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	406	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	407	our $SLOT_QUEUE;
343		408
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
346	my $signal = new Coro::Signal;	413	my $signal = new Coro::Signal;
347		414
348	while () {	415	while () {
349	next_job:	416	next_job:
350	my $avail = cf::till_tick;	417	my $avail = cf::till_tick;
…		…
358	}	425	}
359	}	426	}
360	}	427	}
361		428
362	if (@SLOT_QUEUE) {	429	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	431	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	432	$signal->wait;
366	} else {	433	} else {
367	Coro::schedule;	434	Coro::schedule;
368	}	435	}
369	}	436	}
370	};	437	};
371		438
372	sub get_slot($;$$) {	439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
373	my ($time, $pri, $name) = @_;	442	my ($time, $pri, $name) = @_;
374		443
375	$time = $TICK * .6 if $time > $TICK * .6;	444	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	445	my $sig = new Coro::Signal;
377		446
…		…
391		460
392	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
393		462
394	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
395		464
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	465	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	466	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	468	acceptable.
400		469
401	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		476
408	sub sync_job(&) {	477	sub sync_job(&) {
409	my ($job) = @_;	478	my ($job) = @_;
410		479
411	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	481	my $time = EV::time;
413		482
414	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
416		485
417	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	487
419	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
420		489
421	my $busy = 1;	490	my $busy = 1;
422	my @res;	491	my @res;
423		492
424	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	495	@res = eval { $job->() };
426	warn $@ if $@;	496	warn $@ if $@;
427	undef $busy;	497	undef $busy;
428	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
429		499
430	while ($busy) {	500	while ($busy) {
431	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
432	}	505	}
		506	}
433		507
434	$time = Event::time - $time;	508	my $time = EV::time - $time;
435		509
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	510	$TICK_START += $time; # do not account sync jobs to server load
440		511
441	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
442	} else {	513	} else {
443	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
444		515
…		…
469	=item fork_call { }, $args	540	=item fork_call { }, $args
470		541
471	Executes the given code block with the given arguments in a seperate	542	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	543	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	544	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	545	never block itself or use any form of event handling.
475		546
476	=cut	547	=cut
477		548
478	sub fork_call(&@) {	549	sub fork_call(&@) {
479	my ($cb, @args) = @_;	550	my ($cb, @args) = @_;
480		551
481	# we seemingly have to make a local copy of the whole thing,	552	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	553	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	554	# TODO: investigate and fix (likely this will be rather laborious)
484		555
485	my @res = Coro::Util::fork_eval {	556	my @res = Coro::Util::fork_eval {
486	reset_signals;	557	reset_signals;
487	&$cb	558	&$cb
488	}, @args;	559	}, @args;
489		560
490	wantarray ? @res : $res[-1]	561	wantarray ? @res : $res[-1]
491	}	562	}
492		563
		564	=item $coin = coin_from_name $name
		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
		590
493	=item $value = cf::db_get $family => $key	591	=item $value = cf::db_get $family => $key
494		592
495	Returns a single value from the environment database.	593	Returns a single value from the environment database.
496		594
497	=item cf::db_put $family => $key => $value	595	=item cf::db_put $family => $key => $value
498		596
499	Stores the given C<$value> in the family. It can currently store binary	597	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
502	=cut	605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
503		623
504	our $DB;	624	our $DB;
505		625
506	sub db_init {	626	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	627	cf::sync_job {
511	eval {	628	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	629	};
521	}	630	}
522		631
523	sub db_get($$) {	632	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	633	my $key = "$_[0]/$_[1]";
525		634
…		…
575	if (1) {	684	if (1) {
576	$md5 =	685	$md5 =
577	join "\x00",	686	join "\x00",
578	$processversion,	687	$processversion,
579	map {	688	map {
580	Coro::cede;	689	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	690	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	691	} 0.. $#$src;
583		692
584		693
585	my $dbmd5 = db_get cache => "$id/md5";	694	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		732
624	#############################################################################	733	#############################################################################
625		734
626	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
627		736
628	Many objects in crossfire are so-called attachable objects. That means you can	737	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
631		740
632	In the following description, CLASS can be any of C<global>, C<object>	741	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	743	Deliantra).
635		744
636	=over 4	745	=over 4
637		746
638	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
639		748
…		…
683	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
684		793
685	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
687		796
688	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
690		799
691	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
692		801
693	=over 4	802	=over 4
…		…
921	}	1030	}
922		1031
923	0	1032	0
924	}	1033	}
925		1034
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1036
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1038
930	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
931		1040
…		…
937		1046
938	=cut	1047	=cut
939		1048
940	#############################################################################	1049	#############################################################################
941	# object support	1050	# object support
942	#
943		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
944	sub _can_merge {	1085	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1086	my ($ob1, $ob2) = @_;
946		1087
947	local $Storable::canonical = 1;	1088	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1089
951	$fob1 eq $fob2	1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
952	}	1092	}
953		1093
954	sub reattach {	1094	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1096	my ($obj) = @_;
957		1097
		1098	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1100
960	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
961		1102
962	@$registry = ();	1103	@$registry = ();
963		1104
…		…
978	cf::attachable->attach (	1119	cf::attachable->attach (
979	prio => -1000000,	1120	prio => -1000000,
980	on_instantiate => sub {	1121	on_instantiate => sub {
981	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
982		1123
983	$data = from_json $data;	1124	$data = decode_json $data;
984		1125
985	for (@$data) {	1126	for (@$data) {
986	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
987		1128
988	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1145	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
1006		1147
1007	sync_job {	1148	sync_job {
1008	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
1011		1153
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1159	aio_fsync $fh;
		1160	}
1016	close $fh;	1161	aio_close $fh;
1017		1162
1018	if (@$objs) {	1163	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1170	aio_fsync $fh;
		1171	}
1024	close $fh;	1172	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1174	}
1027	} else {	1175	} else {
1028	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
1029	}	1177	}
1030		1178
1031	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1183	} else {
1033	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
1034	}	1185	}
1035	} else {	1186	} else {
1036	aio_unlink $filename;	1187	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1038	}	1189	}
1039	}	1190	};
1040	}	1191	}
1041		1192
1042	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
1044		1195
…		…
1056	or return;	1207	or return;
1057		1208
1058	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1211	or return;
		1212
1061	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
1062	}	1215	}
1063		1216
		1217	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1219	$decname, length $data, scalar @{$av || []};
		1220
1066	return ($data, $av);	1221	($data, $av)
1067	}	1222	}
1068		1223
1069	=head2 COMMAND CALLBACKS	1224	=head2 COMMAND CALLBACKS
1070		1225
1071	=over 4	1226	=over 4
…		…
1125	my ($name, $cb) = @_;	1280	my ($name, $cb) = @_;
1126		1281
1127	$EXTICMD{$name} = $cb;	1282	$EXTICMD{$name} = $cb;
1128	}	1283	}
1129		1284
		1285	use File::Glob ();
		1286
1130	cf::player->attach (	1287	cf::player->attach (
1131	on_command => sub {	1288	on_command => sub {
1132	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
1133		1290
1134	my $cb = $COMMAND{$name}	1291	my $cb = $COMMAND{$name}
…		…
1149	my ($type, $reply, @payload) =	1306	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1307	"ARRAY" eq ref $msg
1151	? @$msg	1308	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1310
		1311	my @reply;
		1312
1154	if (my $cb = $EXTCMD{$type}) {	1313	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1314	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
1160	} else {	1320	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1322	}
1163		1323
1164	cf::override;	1324	cf::override;
1165	},	1325	},
1166	);	1326	);
		1327
		1328	# "readahead" all extensions
		1329	sub cache_extensions {
		1330	my $grp = IO::AIO::aio_group;
		1331
		1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1333	for (grep /\.ext$/, @{$_[0]}) {
		1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1335	}
		1336	};
		1337
		1338	$grp
		1339	}
1167		1340
1168	sub load_extensions {	1341	sub load_extensions {
1169	cf::sync_job {	1342	cf::sync_job {
1170	my %todo;	1343	my %todo;
1171		1344
…		…
1191		1364
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1367
1195	$ext{source} =	1368	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1197	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
1198	. $source	1371	. $source
1199	. "\n};\n1";	1372	. "\n};\n1";
1200		1373
1201	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
1217	my $msg = $@ ? "$v->{path}: $@\n"	1390	my $msg = $@ ? "$v->{path}: $@\n"
1218	: "$v->{base}: extension inactive.\n";	1391	: "$v->{base}: extension inactive.\n";
1219		1392
1220	if (exists $v->{meta}{mandatory}) {	1393	if (exists $v->{meta}{mandatory}) {
1221	warn $msg;	1394	warn $msg;
1222	warn "mandatory extension failed to load, exiting.\n";	1395	cf::cleanup "mandatory extension failed to load, exiting.";
1223	exit 1;
1224	}	1396	}
1225		1397
1226	warn $msg;	1398	warn $msg;
1227	}	1399	}
1228		1400
…		…
1242		1414
1243	=back	1415	=back
1244		1416
1245	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1246		1418
1247	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1248		1420
1249	=cut	1421	=cut
1250		1422
1251	package cf::player;	1423	package cf::player;
1252		1424
1253	use Coro::AIO;	1425	use Coro::AIO;
1254		1426
1255	=head3 cf::player	1427	=head3 cf::player
1256		1428
1257	=over 4	1429	=over 4
		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
1258		1444
1259	=item cf::player::find $login	1445	=item cf::player::find $login
1260		1446
1261	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
1262		1448
…		…
1281		1467
1282	sub exists($) {	1468	sub exists($) {
1283	my ($login) = @_;	1469	my ($login) = @_;
1284		1470
1285	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1287	}	1473	}
1288		1474
1289	sub find($) {	1475	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1477	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1487	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1488
1303	my $pl = load_pl path $login	1489	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1306	}	1498	}
1307	}	1499	}
1308	}	1500	}
1309		1501
…		…
1318	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1319		1511
1320	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1322		1514
		1515	cf::get_slot 0.01;
		1516
1323	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1324	Coro::cede;	1518	cf::cede_to_tick;
1325	}	1519	}
1326		1520
1327	sub new($) {	1521	sub new($) {
1328	my ($login) = @_;	1522	my ($login) = @_;
1329		1523
…		…
1358	my ($pl) = @_;	1552	my ($pl) = @_;
1359		1553
1360	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1361		1555
1362	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1558
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1369		1565
1370	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1603	or return [];
1408		1604
1409	my @logins;	1605	my @logins;
1410		1606
1411	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1415		1617
1416	utf8::decode $login;	1618	utf8::decode $login;
1417	push @logins, $login;	1619	push @logins, $login;
1418	}	1620	}
1419		1621
…		…
1446	}	1648	}
1447		1649
1448	\@paths	1650	\@paths
1449	}	1651	}
1450		1652
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1654
1453	Expand crossfire pod fragments into protocol xml.	1655	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1656
1501	=item $player->ext_reply ($msgid, @msg)	1657	=item $player->ext_reply ($msgid, @msg)
1502		1658
1503	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1504		1660
1505	=cut	1661	=cut
1506		1662
1507	sub ext_reply($$@) {	1663	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1664	my ($self, $id, @msg) = @_;
1509		1665
1510	if ($self->ns->extcmd == 2) {	1666	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1667	}
1518		1668
1519	=item $player->ext_msg ($type, @msg)	1669	=item $player->ext_msg ($type, @msg)
1520		1670
1521	Sends an ext event to the client.	1671	Sends an ext event to the client.
…		…
1577	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1579		1729
1580	sub generate_random_map {	1730	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1582	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1736	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1861
1709	# the temporary/swap location	1862	# the temporary/swap location
1710	sub save_path {	1863	sub save_path {
1711	my ($self) = @_;	1864	my ($self) = @_;
1712		1865
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1715	}	1868	}
1716		1869
1717	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1718	sub uniq_path {	1871	sub uniq_path {
1719	my ($self) = @_;	1872	my ($self) = @_;
1720		1873
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1876	}
1733		1877
1734	sub decay_objects {	1878	sub decay_objects {
1735	my ($self) = @_;	1879	my ($self) = @_;
1736		1880
…		…
1749		1893
1750	sub load_header_from($) {	1894	sub load_header_from($) {
1751	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1752		1896
1753	utf8::encode $path;	1897	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1759		1906
1760	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1761		1908
1762	1	1909	1
1763	}	1910	}
…		…
1817	sub find {	1964	sub find {
1818	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1819		1966
1820	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1821		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1823		1971
1824	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1827	or return;	1974	or return;
1828		1975
1829	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1830		1977
…		…
1832	or return;	1979	or return;
1833		1980
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1837	$map->reset;	1986	$map->reset;
1838	undef $guard;
1839	return find $path;	1987	return find $path;
1840	}	1988	}
1841		1989
1842	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1843	}	1991	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1853		2001
1854	my $path = $self->{path};	2002	my $path = $self->{path};
1855		2003
1856	{	2004	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1858		2006
		2007	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2009
1861	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1862		2011
1863	$self->alloc;	2012	$self->alloc;
1864		2013
1865	$self->pre_load;	2014	$self->pre_load;
1866	Coro::cede;	2015	cf::cede_to_tick;
1867		2016
		2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2019	$self->_load_objects ($f)
1869	or return;	2020	or return;
1870		2021
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1872	if delete $self->{load_original};	2023	if delete $self->{load_original};
1873		2024
1874	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2026	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2029	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1879	}	2033	}
1880	}	2034	}
1881		2035
1882	Coro::cede;	2036	$f->resolve_delayed_derefs;
		2037
		2038	cf::cede_to_tick;
1883	# now do the right thing for maps	2039	# now do the right thing for maps
1884	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2042	unless $self->difficulty;
1887	Coro::cede;	2043	cf::cede_to_tick;
1888		2044
1889	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2046	$self->decay_objects;
1891	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
1892	$self->update_buttons;	2048	$self->update_buttons;
1893	Coro::cede;	2049	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2050	$self->activate;
1897	}	2051	}
1898		2052
1899	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
1901		2055
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2057	}
1904		2058
1905	$self->post_load;	2059	$self->post_load;
1906	}	2060	}
1907		2061
…		…
1916		2070
1917	$self	2071	$self
1918	}	2072	}
1919		2073
1920	# 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
1921	sub load_diag {	2075	sub load_neighbours {
1922	my ($map) = @_;	2076	my ($map) = @_;
1923		2077
1924	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1925		2079
1926	for (0 .. 3) {	2080	for (0 .. 3) {
1927	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1928	or next;	2082	or next;
1929	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1930	or next;	2084	or next;
1931	$neigh->load;	2085	$neigh->load;
1932		2086
		2087	push @neigh,
1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1935	}	2090	}
1936		2091
1937	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1938	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1939	or next;	2095	or next;
1940	$neigh->load;	2096	$neigh->load;
1941	}	2097	}
1942	}	2098	}
1943		2099
…		…
1948	}	2104	}
1949		2105
1950	sub do_load_sync {	2106	sub do_load_sync {
1951	my ($map) = @_;	2107	my ($map) = @_;
1952		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1953	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1954	}	2113	}
1955		2114
1956	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1957	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1958		2117
1959	sub find_async {	2118	sub find_async {
1960	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1961		2120
1962	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1963		2122
1964	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1966	}	2125	}
1967		2126
1968	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1969	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1970	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1971	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1972	if (my $map = find $path) {	2134	if (my $map = find $k) {
1973	$map->load;	2135	$map->load if $v;
1974	}	2136	}
1975		2137
1976	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1977	}	2139	}
1978	}	2140	}
1979	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1980	};	2142	};
1981	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1984	}	2146	}
1985		2147
1986	sub save {	2148	sub save {
1987	my ($self) = @_;	2149	my ($self) = @_;
1988		2150
1989	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1990		2152
1991	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1992		2154
1993	return unless $self->dirty;	2155	return unless $self->dirty;
1994		2156
…		…
2000	return if $self->{deny_save};	2162	return if $self->{deny_save};
2001		2163
2002	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
2003		2165
2004	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
2005	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2006	};	2169	};
		2170
		2171	cf::get_slot 0.02;
2007		2172
2008	if ($uniq) {	2173	if ($uniq) {
2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2011	} else {	2176	} else {
…		…
2017	my ($self) = @_;	2182	my ($self) = @_;
2018		2183
2019	# save first because save cedes	2184	# save first because save cedes
2020	$self->save;	2185	$self->save;
2021		2186
2022	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2023		2188
2024	return if $self->players;	2189	return if $self->players;
2025	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2026	return if $self->{deny_save};	2191	return if $self->{deny_save};
2027		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2197	$self->clear;
2029	$self->in_memory (cf::MAP_SWAPPED);
2030	}	2198	}
2031		2199
2032	sub reset_at {	2200	sub reset_at {
2033	my ($self) = @_;	2201	my ($self) = @_;
2034		2202
…		…
2052		2220
2053	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
2054		2222
2055	return if $self->players;	2223	return if $self->players;
2056		2224
2057	warn "resetting map ", $self->path;	2225	warn "resetting map ", $self->path, "\n";
2058		2226
2059	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
2060		2228
2061	# need to save uniques path	2229	# need to save uniques path
2062	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
2066	if $uniq;	2234	if $uniq;
2067	}	2235	}
2068		2236
2069	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
2070		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
2071	$self->clear;	2241	$self->clear;
2072
2073	$_->clear_links_to ($self) for values %cf::MAP;
2074		2242
2075	$self->unlink_save;	2243	$self->unlink_save;
2076	$self->destroy;	2244	$self->destroy;
2077	}	2245	}
2078		2246
2079	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
2080		2248
2081	sub nuke {	2249	sub nuke {
2082	my ($self) = @_;	2250	my ($self) = @_;
2083		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
2084	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
2085		2256
2086	$self->unlink_save;	2257	$self->unlink_save;
2087		2258
2088	bless $self, "cf::map";	2259	bless $self, "cf::map";
2089	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
2090	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
2091	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093		2264
2094	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
2095		2267
2096	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
2097	}	2269	}
2098		2270
2099	=item $maps = cf::map::tmp_maps	2271	=item $maps = cf::map::tmp_maps
…		…
2141		2313
2142	sub unique_maps() {	2314	sub unique_maps() {
2143	[	2315	[
2144	map {	2316	map {
2145	utf8::decode $_;	2317	utf8::decode $_;
2146	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2147	? normalise $_	2321	: normalise $_
2148	: ()
2149	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2150	]	2323	]
2151	}	2324	}
2152		2325
2153	package cf;
2154
2155	=back	2326	=back
2156		2327
2157	=head3 cf::object	2328	=head3 cf::object
2158		2329
2159	=cut	2330	=cut
…		…
2162		2333
2163	=over 4	2334	=over 4
2164		2335
2165	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2166		2337
2167	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.
2168		2340
2169	=cut	2341	=cut
2170		2342
2171	sub inv_recursive_;	2343	sub inv_recursive_;
2172	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2175		2347
2176	sub inv_recursive {	2348	sub inv_recursive {
2177	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2178	}	2350	}
2179		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
2180	package cf;	2380	package cf;
2181		2381
2182	=back	2382	=back
2183		2383
2184	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
2190	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>
2191	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
2192	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2193		2393
2194	=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	};
2195		2409
2196	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2197	# with dialog boxes.	2411	# with dialog boxes.
2198	#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
2199	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
2211	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2213		2427
2214	} else {	2428	} else {
2215	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2216	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2217	}	2431	}
2218	}	2432	}
2219	}	2433	}
2220		2434
2221	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2246		2460
2247	=item $player_object->enter_link	2461	=item $player_object->enter_link
2248		2462
2249	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}>).
2250		2464
2251	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.
2252	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.
2253		2469
2254	Will never block.	2470	Will never block.
2255		2471
2256	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2257		2473
…		…
2312	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
2313	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
2314	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
2315		2531
2316	$map->load;	2532	$map->load;
2317	$map->load_diag;	2533	$map->load_neighbours;
2318		2534
2319	return unless $self->contr->active;	2535	return unless $self->contr->active;
2320	$self->activate_recursive;
2321		2536
2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2323	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
2324	}	2542	}
2325		2543
2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2327		2545
2328	Moves the player to the given map-path and coordinates by first freezing	2546	Moves the player to the given map-path and coordinates by first freezing
2329	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
2330	that has to return the map if sucecssful, and then unfreezes the player on	2548	that has to return the map if sucecssful, and then unfreezes the player on
2331	the new (success) or old (failed) map position. In either case, $done will	2549	the new (success) or old (failed) map position. In either case, $done will
2332	be called at the end of this process.	2550	be called at the end of this process.
2333		2551
		2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
		2554
2334	=cut	2555	=cut
2335		2556
2336	our $GOTOGEN;	2557	our $GOTOGEN;
2337		2558
2338	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
…		…
2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2343		2564
2344	$self->enter_link;	2565	$self->enter_link;
2345		2566
2346	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
2347	my $map = eval {	2589	my $map = eval {
2348	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
2349		2591
2350	if ($map) {	2592	if ($map) {
2351	$map = $map->customise_for ($self);	2593	$map = $map->customise_for ($self);
2352	$map = $check->($map) if $check && $map;	2594	$map = $check->($map) if $check && $map;
2353	} else {	2595	} else {
2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2355	}	2597	}
2356		2598
2357	$map	2599	$map
2358	};	2600	};
2359		2601
…		…
2395	}	2637	}
2396		2638
2397	sub prepare_random_map {	2639	sub prepare_random_map {
2398	my ($exit) = @_;	2640	my ($exit) = @_;
2399		2641
2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
2401
2402	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2403	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2404	# that depends on the exit object	2644	# that depends on the exit object
2405		2645
2406	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2408	if ($exit->map) {	2648	if ($exit->map) {
2409	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2410	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2411	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2412	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2413	}	2655	}
2414		2656
2415	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2416		2658
2417	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2418	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2419	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2420		2662
2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2422	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2423	undef $fh;	2665	undef $fh;
2424	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2425		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2426	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2427	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2428	}	2674	}
2429	}	2675	}
2430		2676
2431	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2432	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2433		2679
2434	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2435		2681
2436	if ($exit->slaying eq "/!") {
2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
2438	# the problem is that $exit might not survive long enough
2439	# so it needs to be done right now, right here
2440	cf::sync_job { prepare_random_map $exit };
2441	}
2442
2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2444	my $hp = $exit->stats->hp;
2445	my $sp = $exit->stats->sp;
2446
2447	$self->enter_link;	2682	$self->enter_link;
2448		2683
2449	# if exit is damned, update players death & WoR home-position
2450	$self->contr->savebed ($slaying, $hp, $sp)
2451	if $exit->flag (FLAG_DAMNED);
2452
2453	(async {	2684	(async {
2454	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
2455	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2456	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2457		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2458	1;	2708	1
2459	}) {	2709	}) {
2460	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2461	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2462	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2463	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2464		2714
2465	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2493	the message, with C<log> being the default. If C<$color> is negative, suppress	2743	the message, with C<log> being the default. If C<$color> is negative, suppress
2494	the message unless the client supports the msg packet.	2744	the message unless the client supports the msg packet.
2495		2745
2496	=cut	2746	=cut
2497		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
2498	sub cf::client::send_msg {	2850	sub cf::client::send_msg {
2499	my ($self, $channel, $msg, $color, @extra) = @_;	2851	my ($self, $channel, $msg, $color, @extra) = @_;
2500		2852
2501	$msg = $self->pl->expand_cfpod ($msg);	2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
2502		2855
2503	$color &= cf::NDI_CLIENT_MASK; # just in case...	2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
2504		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
2505	if (ref $channel) {	2865	} elsif (ref $channel) {
2506	# send meta info to client, if not yet sent	2866	# send meta info to client, if not yet sent
2507	unless (exists $self->{channel}{$channel->{id}}) {	2867	unless (exists $self->{channel}{$channel->{id}}) {
2508	$self->{channel}{$channel->{id}} = $channel;	2868	$self->{channel}{$channel->{id}} = $channel;
2509	$self->ext_msg (channel_info => $channel);	2869	$self->ext_msg (channel_info => $channel);
2510	}	2870	}
…		…
2512	$channel = $channel->{id};	2872	$channel = $channel->{id};
2513	}	2873	}
2514		2874
2515	return unless @extra || length $msg;	2875	return unless @extra || length $msg;
2516		2876
2517	if ($self->can_msg) {
2518	# default colour, mask it out	2877	# default colour, mask it out
2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2520	if $color & cf::NDI_DEF;	2879	if $color & cf::NDI_DEF;
2521		2880
2522	$self->send_packet ("msg " . $self->{json_coder}->encode (	2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2524	} else {	2884	);
2525	if ($color >= 0) {
2526	# replace some tags by gcfclient-compatible ones
2527	for ($msg) {
2528	1 while
2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2534	}
2535		2885
2536	$color &= cf::NDI_COLOR_MASK;	2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
2537		2889
2538	utf8::encode $msg;	2890	# split very large packets
2539		2891	if (8192 < length $pkt and $self->{can_lzf}) {
2540	if (0 && $msg =~ /\[/) {	2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2541	# COMMAND/INFO	2893	$pkt = "frag";
2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
2543	} else {
2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2545	$self->send_packet ("drawinfo $color $msg")
2546	}
2547	}
2548	}	2894	}
		2895
		2896	$self->send_packet ($pkt);
2549	}	2897	}
2550		2898
2551	=item $client->ext_msg ($type, @msg)	2899	=item $client->ext_msg ($type, @msg)
2552		2900
2553	Sends an ext event to the client.	2901	Sends an ext event to the client.
…		…
2555	=cut	2903	=cut
2556		2904
2557	sub cf::client::ext_msg($$@) {	2905	sub cf::client::ext_msg($$@) {
2558	my ($self, $type, @msg) = @_;	2906	my ($self, $type, @msg) = @_;
2559		2907
2560	my $extcmd = $self->extcmd;
2561
2562	if ($extcmd == 2) {	2908	if ($self->extcmd == 2) {
2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2564	} elsif ($extcmd == 1) { # TODO: remove	2910	} elsif ($self->extcmd == 1) { # TODO: remove
2565	push @msg, msgtype => "event_$type";	2911	push @msg, msgtype => "event_$type";
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2567	}	2931	}
2568	}	2932	}
2569		2933
2570	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
…		…
2632	my ($type, $reply, @payload) =	2996	my ($type, $reply, @payload) =
2633	"ARRAY" eq ref $msg	2997	"ARRAY" eq ref $msg
2634	? @$msg	2998	? @$msg
2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2636		3000
		3001	my @reply;
		3002
2637	if (my $cb = $EXTICMD{$type}) {	3003	if (my $cb = $EXTICMD{$type}) {
2638	my @reply = $cb->($ns, @payload);	3004	@reply = $cb->($ns, @payload);
2639
2640	$ns->ext_reply ($reply, @reply)
2641	if $reply;
2642	}	3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
2643	} else {	3010	} else {
2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2645	}	3012	}
2646		3013
2647	cf::override;	3014	cf::override;
…		…
2707	=pod	3074	=pod
2708		3075
2709	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2710		3077
2711	cf::object	3078	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3079	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove name archname title slaying race	3080	insert remove name archname title slaying race decrease split
		3081	value
2714		3082
2715	cf::object::player	3083	cf::object::player
2716	player	3084	player
2717		3085
2718	cf::player	3086	cf::player
…		…
2723		3091
2724	=cut	3092	=cut
2725		3093
2726	for (	3094	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove inv name archname title slaying race)],	3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2732	) {	3101	) {
2733	no strict 'refs';	3102	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2752	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2753		3122
2754	my $qcode = $code;	3123	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2757		3128
2758	local $_;	3129	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2760		3131
2761	my $eval =	3132	my $eval =
…		…
2809	# the server's init and main functions	3180	# the server's init and main functions
2810		3181
2811	sub load_facedata($) {	3182	sub load_facedata($) {
2812	my ($path) = @_;	3183	my ($path) = @_;
2813		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
2814	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2815		3192
2816	my $facedata;	3193	my $facedata;
2817	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3195	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2821		3198
2822	$facedata->{version} == 2	3199	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2825	{	3209	{
2826	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2827		3211
2828	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2830	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3219
2835	cf::cede_to_tick;	3220	cf::cede_to_tick;
2836	}	3221	}
2837		3222
2838	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2840	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2841	or next;	3227	or next;
		3228
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3232	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3250
2864	{	3251	{
2865	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3255
2872	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3257	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
2879		3260
2880	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
2881	# prepend meta info	3262	# prepend meta info
2882		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
2883	my $data = pack "(w/a*)*", $meta, $info->{data};	3269	$data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3270	} else {
		3271	$data = $info->{data};
		3272	}
2885		3273
2886	cf::face::set_data $idx, 0, $data, $chk;	3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
2887	} else {	3276	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3277	$RESOURCE{$name} = $info;
2889	}	3278	}
2890		3279
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3280	cf::cede_to_tick;
2894	}	3281	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	cf::sound::set $sound->[0] => $face;
2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2906	}
2907
2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
2909	my $face = cf::face::find "sound/$v";
2910	cf::sound::set $k => $face;
2911	}
2912	}
2913	}	3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2914		3285
2915	1	3286	1
2916	}	3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
2917		3308
2918	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
2919	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
2920		3311
2921	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
2922	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
2923	}	3314	}
2924	};	3315	};
2925		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2926	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2927	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2928	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
2929		3334
2930	for (cf::region::list) {	3335	for (cf::region::list) {
2931	$_->{match} = qr/$_->{match}/	3336	$_->{match} = qr/$_->{match}/
…		…
2939	}	3344	}
2940		3345
2941	sub reload_archetypes {	3346	sub reload_archetypes {
2942	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
2943	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
2944	#d# NEED to laod twice to resolve forward references
2945	# this really needs to be done in an extra post-pass
2946	# (which needs to be synchronous, so solve it differently)
2947	load_resource_file "$DATADIR/archetypes"
2948	or die "unable to load archetypes\n";
2949	}	3349	}
2950		3350
2951	sub reload_treasures {	3351	sub reload_treasures {
2952	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
2953	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
2954	}	3354	}
2955		3355
2956	sub reload_resources {	3356	sub reload_resources {
2957	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2958		3358
		3359	reload_facedata;
		3360	reload_archetypes;
2959	reload_regions;	3361	reload_regions;
2960	reload_facedata;
2961	#reload_archetypes;#d#
2962	reload_archetypes;
2963	reload_treasures;	3362	reload_treasures;
2964		3363
2965	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2966	}	3365	}
2967		3366
2968	sub init {	3367	sub reload_config {
2969	reload_resources;
2970	}
2971
2972	sub cfg_load {
2973	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2974	or return;	3369	or return;
2975		3370
2976	local $/;	3371	local $/;
2977	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2978		3373
2979	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2980		3375
2981	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2982	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2988	};	3383	};
2989	warn $@ if $@;	3384	warn $@ if $@;
2990	}	3385	}
2991	}	3386	}
2992		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
2993	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2994	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2995	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2997	(async {	3434	(async {
2998	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2999	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
3000	};	3438	};
3001		3439
3002	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
3003	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
3004	load_extensions;	3458	load_extensions;
3005		3459
3006	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
3007	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
3008	}	3470	}
3009		3471
3010	#############################################################################	3472	#############################################################################
3011	# initialisation and cleanup	3473	# initialisation and cleanup
3012		3474
3013	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
3014	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
3015	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
3016	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3017	reentrant => 0,
3018	data => WF_AUTOCANCEL,
3019	signal => $signal,
3020	prio => 0,
3021	cb => sub {
3022	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
3023	},
3024	);	3481	};
3025	}	3482	}
3026	}	3483	}
3027		3484
3028	sub write_runtime {	3485	sub write_runtime_sync {
3029	my $runtime = "$LOCALDIR/runtime";
3030
3031	# first touch the runtime file to show we are still running:	3486	# first touch the runtime file to show we are still running:
3032	# the fsync below can take a very very long time.	3487	# the fsync below can take a very very long time.
3033		3488
3034	IO::AIO::aio_utime $runtime, undef, undef;	3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3035		3490
3036	my $guard = cf::lock_acquire "write_runtime";	3491	my $guard = cf::lock_acquire "write_runtime";
3037		3492
3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3039	or return;	3494	or return;
3040		3495
3041	my $value = $cf::RUNTIME + 90 + 10;	3496	my $value = $cf::RUNTIME + 90 + 10;
3042	# 10 is the runtime save interval, for a monotonic clock	3497	# 10 is the runtime save interval, for a monotonic clock
3043	# 60 allows for the watchdog to kill the server.	3498	# 60 allows for the watchdog to kill the server.
…		…
3053	aio_utime $fh, undef, undef;	3508	aio_utime $fh, undef, undef;
3054		3509
3055	close $fh	3510	close $fh
3056	or return;	3511	or return;
3057		3512
3058	aio_rename "$runtime~", $runtime	3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3059	and return;	3514	and return;
3060		3515
3061	warn "runtime file written.\n";	3516	warn "runtime file written.\n";
3062		3517
3063	1	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
3064	}	3569	}
3065		3570
3066	sub emergency_save() {	3571	sub emergency_save() {
3067	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
3068		3573
3069	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
3070		3575
3071	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
3072	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
3073	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
3074	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
3075	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
3076	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
3077	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
3078	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3079	$pl->save;	3590	$pl->save;
3080	}	3591	}
3081	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
3082		3593
3083	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
3084	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
3085	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
3086	$map->valid or next;	3597	$map->valid or next;
3087	$map->save;	3598	$map->save;
3088	}	3599	}
3089	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
3090		3601
3091	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
3092	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
3093	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
3094	};	3609	};
3095		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
3096	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
3097	}	3617	}
3098		3618
3099	sub post_cleanup {	3619	sub post_cleanup {
3100	my ($make_core) = @_;	3620	my ($make_core) = @_;
3101		3621
3102	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
3103	if $make_core;	3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
3104	}	3653	}
3105		3654
3106	sub do_reload_perl() {	3655	sub do_reload_perl() {
3107	# can/must only be called in main	3656	# can/must only be called in main
3108	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
3109	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
3110	return;	3659	return;
3111	}	3660	}
3112		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
3113	warn "reloading...";	3667	warn "reloading...";
3114		3668
3115	warn "entering sync_job";	3669	warn "entering sync_job";
3116		3670
3117	cf::sync_job {	3671	cf::sync_job {
3118	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
3119	cf::emergency_save;	3673	cf::emergency_save;
3120	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3121		3675
3122	warn "syncing database to disk";	3676	warn "syncing database to disk";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3124		3678
3125	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
3126		3680
3127	warn "cancelling all WF_AUTOCANCEL watchers";
3128	for (Event::all_watchers) {
3129	$_->cancel if $_->data & WF_AUTOCANCEL;
3130	}
3131
3132	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
3133	for (;;) {
3134	BDB::flush;
3135	IO::AIO::flush;
3136	Coro::cede;
3137	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
3138	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3139	}
3140
3141	++$RELOAD;
3142
3143	warn "cancelling all extension coros";
3144	$_->cancel for values %EXT_CORO;
3145	%EXT_CORO = ();
3146
3147	warn "removing commands";
3148	%COMMAND = ();
3149
3150	warn "removing ext/exti commands";
3151	%EXTCMD = ();
3152	%EXTICMD = ();
3153
3154	warn "unloading/nuking all extensions";
3155	for my $pkg (@EXTS) {
3156	warn "... unloading $pkg";
3157
3158	if (my $cb = $pkg->can ("unload")) {
3159	eval {
3160	$cb->($pkg);
3161	1
3162	} or warn "$pkg unloaded, but with errors: $@";
3163	}	3684	}
3164		3685
3165	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
3166	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
3167	}	3688	%EXT_CORO = ();
3168		3689
3169	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
3170	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3172		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
3173	warn "... unloading $k";	3699	warn "... unloading $pkg";
3174	delete $INC{$k};
3175		3700
3176	$k =~ s/\.pm$//;
3177	$k =~ s/\//::/g;
3178
3179	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
3180	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
3181	}	3710	}
3182		3711
3183	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
3184	}	3727	}
3185		3728
3186	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
3187	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3189		3732
3190	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
3191	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
3192	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3193		3736
3194	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
3195	# and global variables created in xs	3738	# and global variables created in xs
3196	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
3197		3740
3198	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
3199		3742
3200	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
3201	require cf;	3744	require cf;
3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3203		3746
3204	warn "loading config and database again";	3747	warn "loading config and database again";
3205	cf::cfg_load;	3748	cf::reload_config;
3206		3749
3207	warn "loading extensions";	3750	warn "loading extensions";
3208	cf::load_extensions;	3751	cf::load_extensions;
3209		3752
		3753	if ($REATTACH_ON_RELOAD) {
3210	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
3211	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
3212	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
3213	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
3214	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
3215	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
3216		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
3217	warn "leaving sync_job";	3765	warn "leaving sync_job";
3218		3766
3219	1	3767	1
3220	} or do {	3768	} or do {
3221	warn $@;	3769	warn $@;
3222	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
3223	exit 1;
3224	};	3771	};
3225		3772
3226	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
3227	};	3779	};
3228		3780
3229	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
3230		3782
3231	sub reload_perl() {	3783	sub reload_perl() {
3232	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
3233	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
3234		3786
3235	$RELOAD_WATCHER ||= Event->timer (	3787	$RELOAD_WATCHER ||= cf::async {
3236	reentrant => 0,	3788	Coro::AIO::aio_wait cache_extensions;
3237	after => 0,	3789
3238	data => WF_AUTOCANCEL,	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3239	cb => sub {
3240	do_reload_perl;	3791	do_reload_perl;
3241	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
3242	},	3793	};
3243	);	3794	};
3244	}	3795	}
3245		3796
3246	register_command "reload" => sub {	3797	register_command "reload" => sub {
3247	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
3248		3799
3249	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
3250	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
		3802	async {
		3803	$Coro::current->{desc} = "perl_reload";
3251	async { reload_perl };	3804	reload_perl;
		3805	};
3252	}	3806	}
3253	};	3807	};
3254		3808
3255	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
3256		3810
…		…
3258		3812
3259	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
3260	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
3261		3815
3262	sub wait_for_tick {	3816	sub wait_for_tick {
3263	return unless $TICK_WATCHER->is_active;
3264	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
3265		3818
3266	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
3267	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
3268	$signal->wait;	3821	$signal->wait;
3269	}	3822	}
3270		3823
3271	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
3272	return unless $TICK_WATCHER->is_active;
3273	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
3274		3826
3275	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
3276	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
3277	$signal->wait;	3829	$signal->wait;
3278	}	3830	}
3279		3831
3280	my $min = 1e6;#d#	3832	sub tick {
3281	my $avg = 10;
3282	$TICK_WATCHER = Event->timer (
3283	reentrant => 0,
3284	parked => 1,
3285	prio => 0,
3286	at => $NEXT_TICK || $TICK,
3287	data => WF_AUTOCANCEL,
3288	cb => sub {
3289	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3291	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
3292	return;	3836	return;
3293	}	3837	}
3294		3838
3295	$NOW = $tick_start = Event::time;
3296
3297	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
3298		3840
3299	0 && sync_job {#d#	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3300	for(1..10) {	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3301	my $t = Event::time;	3843	Coro::async_pool {
3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3844	$Coro::current->{desc} = "runtime saver";
3303	or die;	3845	write_runtime_sync
3304		3846	or warn "ERROR: unable to write runtime file: $!";
3305	$map->width (50);
3306	$map->height (50);
3307	$map->alloc;
3308	$map->_load_objects ("/tmp/x.map", 1);
3309	my $t = Event::time - $t;
3310
3311	#next unless $t < 0.0013;#d#
3312	if ($t < $min) {
3313	$min = $t;
3314	}
3315	$avg = $avg * 0.99 + $t * 0.01;
3316	}
3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3318	exit 0;
3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3320	};	3847	};
		3848	}
3321		3849
3322	$RUNTIME += $TICK;
3323	$NEXT_TICK += $TICK;
3324
3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
3327	Coro::async_pool {
3328	write_runtime
3329	or warn "ERROR: unable to write runtime file: $!";
3330	};
3331	}
3332
3333	# my $AFTER = Event::time;
3334	# warn $AFTER - $NOW;#d#
3335
3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3337	$sig->send;	3851	$sig->send;
3338	}	3852	}
3339	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
3340	$sig->send;	3854	$sig->send;
3341	}	3855	}
3342		3856
3343	$NOW = Event::time;	3857	$LOAD = ($NOW - $TICK_START) / $TICK;
3344
3345	# if we are delayed by four ticks or more, skip them all
3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3347
3348	$TICK_WATCHER->at ($NEXT_TICK);
3349	$TICK_WATCHER->start;
3350
3351	$LOAD = ($NOW - $tick_start) / $TICK;
3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3353		3859
3354	_post_tick;	3860	if (0) {
3355		3861	if ($NEXT_TICK) {
3356		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
3357	},	3866	}
3358	);	3867	}
3359		3868
3360	{	3869	{
3361	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
3362	$BDB_POLL_WATCHER = Event->io (	3871
3363	reentrant => 0,
3364	fd => BDB::poll_fileno,
3365	poll => 'r',
3366	prio => 0,
3367	data => WF_AUTOCANCEL,
3368	cb => \&BDB::poll_cb,
3369	);
3370	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
3371		3873	BDB::max_poll_reqs $TICK * 0.1;
3372	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
3373	my $status;
3374	my $current = $Coro::current;
3375	(
3376	sub {
3377	$status = $!;
3378	$current->ready; undef $current;
3379	},
3380	sub {
3381	Coro::schedule while defined $current;
3382	$! = $status;
3383	},
3384	)
3385	};
3386		3875
3387	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3388	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3389		3883
3390	cf::sync_job {	3884	cf::sync_job {
3391	eval {	3885	eval {
3392	BDB::db_env_open	3886	BDB::db_env_open
3393	$DB_ENV,	3887	$DB_ENV,
…		…
3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3397	0666;	3891	0666;
3398		3892
3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3400
3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3402	$DB_ENV->set_lk_detect;
3403	};	3894	};
3404		3895
3405	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
3406	};	3897	};
3407	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
3408	}	3909	}
3409		3910
3410	{	3911	{
		3912	# configure IO::AIO
		3913
3411	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3412
3413	undef $Coro::AIO::WATCHER;
3414	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3415	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
3416	reentrant => 0,
3417	data => WF_AUTOCANCEL,
3418	fd => IO::AIO::poll_fileno,
3419	poll => 'r',
3420	prio => 6,
3421	cb => \&IO::AIO::poll_cb,
3422	);
3423	}	3917	}
3424		3918
3425	my $_log_backtrace;	3919	my $_log_backtrace;
3426		3920
3427	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3430	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3431		3925
3432	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3433	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3434	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3435	async {	3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
3436	my @bt = fork_call {	3933	my @bt = fork_call {
3437	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3440	or die "addr2line: $!";	3937	or die "addr2line: $!";
…		…
3448	}	3945	}
3449		3946
3450	@funcs	3947	@funcs
3451	};	3948	};
3452		3949
3453	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3454	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3455	--$_log_backtrace;	3953	--$_log_backtrace;
3456	};	3954	};
3457	} else {	3955	} else {
3458	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3459	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3460	}	3958	}
3461	}	3959	}
3462		3960
3463	# load additional modules	3961	# load additional modules
3464	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3465		3963
3466	END { cf::emergency_save }	3964	END { cf::emergency_save }
3467		3965
3468	1	3966	1
3469		3967

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines