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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.347 by root, Thu Aug 30 05:16:09 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
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		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	113	our $DB_ENV;
86		114
87	our %CFG;	115	our %CFG;
88		116
89	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
91		120
92	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
95		124
96	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		127
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
102		132
103	binmode STDOUT;	133	binmode STDOUT;
104	binmode STDERR;	134	binmode STDERR;
105		135
106	# read virtual server time, if available	136	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
111	}	141	}
112		142
113	mkdir $_	143	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		189
160	The raw value load value from the last tick.	190	The raw value load value from the last tick.
161		191
162	=item %cf::CFG	192	=item %cf::CFG
163		193
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	195	from wherever your confdir points to.
166		196
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		198
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	217	$msg .= "\n"
188	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
189		219
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		221
192	utf8::encode $msg;
193	LOG llevError, $msg;	222	LOG llevError, $msg;
194	};	223	};
195	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
196		240
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	251	for my $pkg (qw(
208	cf::global cf::attachable	252	cf::global cf::attachable
209	cf::object cf::object::player	253	cf::object cf::object::player
210	cf::client cf::player	254	cf::client cf::player
211	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
212	cf::map cf::party cf::region	257	cf::party cf::region
213	)) {	258	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	260	}
217		261
218	$Event::DIED = sub {	262	$EV::DIED = sub {
219	warn "error in event callback: @_";	263	warn "error in event callback: @_";
220	};	264	};
221		265
222	#############################################################################	266	#############################################################################
223		267
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	291	$d
248	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
249	}	293	}
250		294
251	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
252		296
253	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
254		298
255	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
256		300
257	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
258		302
259	=cut	303	=cut
260		304
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		306
263	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
265		309
266	=item cf::lock_wait $string	310	=item cf::lock_wait $string
267		311
268	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
269		313
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
286		330
287	=cut	331	=cut
288		332
289	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
290		335
291	sub lock_wait($) {	336	sub lock_wait($) {
292	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
293		343
294	# wait for lock, if any	344	# wait for lock, if any
295	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	347	Coro::schedule;
…		…
303		353
304	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
305	lock_wait $key;	355	lock_wait $key;
306		356
307	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
308		359
309	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
312	}	364	}
313	}	365	}
314		366
…		…
317		369
318	! ! $LOCK{$key}	370	! ! $LOCK{$key}
319	}	371	}
320		372
321	sub freeze_mainloop {	373	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
323		375
324	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	377	}
326	};	378
327	$TICK_WATCHER->stop;	379	=item cf::periodic $interval, $cb
328	$guard	380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
329	}	392	}
330		393
331	=item cf::get_slot $time[, $priority[, $name]]	394	=item cf::get_slot $time[, $priority[, $name]]
332		395
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	407	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	408	our $SLOT_QUEUE;
346		409
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
349	my $signal = new Coro::Signal;	414	my $signal = new Coro::Signal;
350		415
351	while () {	416	while () {
352	next_job:	417	next_job:
353	my $avail = cf::till_tick;	418	my $avail = cf::till_tick;
…		…
361	}	426	}
362	}	427	}
363	}	428	}
364		429
365	if (@SLOT_QUEUE) {	430	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	432	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	433	$signal->wait;
369	} else {	434	} else {
370	Coro::schedule;	435	Coro::schedule;
371	}	436	}
372	}	437	}
373	};	438	};
374		439
375	sub get_slot($;$$) {	440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
376	my ($time, $pri, $name) = @_;	443	my ($time, $pri, $name) = @_;
377		444
378	$time = $TICK * .6 if $time > $TICK * .6;	445	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	446	my $sig = new Coro::Signal;
380		447
…		…
394		461
395	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
396		463
397	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
398		465
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	466	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	467	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	469	acceptable.
403		470
404	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		477
411	sub sync_job(&) {	478	sub sync_job(&) {
412	my ($job) = @_;	479	my ($job) = @_;
413		480
414	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	482	my $time = EV::time;
416		483
417	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
419		486
420	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	488
422	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
423		490
424	my $busy = 1;	491	my $busy = 1;
425	my @res;	492	my @res;
426		493
427	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	496	@res = eval { $job->() };
429	warn $@ if $@;	497	warn $@ if $@;
430	undef $busy;	498	undef $busy;
431	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
432		500
433	while ($busy) {	501	while ($busy) {
434	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
435	}	506	}
		507	}
436		508
437	$time = Event::time - $time;	509	my $time = EV::time - $time;
438		510
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	511	$TICK_START += $time; # do not account sync jobs to server load
443		512
444	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
445	} else {	514	} else {
446	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
447		516
…		…
472	=item fork_call { }, $args	541	=item fork_call { }, $args
473		542
474	Executes the given code block with the given arguments in a seperate	543	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	544	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	545	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	546	never block itself or use any form of event handling.
478		547
479	=cut	548	=cut
480		549
481	sub fork_call(&@) {	550	sub fork_call(&@) {
482	my ($cb, @args) = @_;	551	my ($cb, @args) = @_;
483		552
484	# we seemingly have to make a local copy of the whole thing,	553	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	554	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	555	# TODO: investigate and fix (likely this will be rather laborious)
487		556
488	my @res = Coro::Util::fork_eval {	557	my @res = Coro::Util::fork_eval {
489	reset_signals;	558	reset_signals;
490	&$cb	559	&$cb
491	}, @args;	560	}, @args;
492		561
493	wantarray ? @res : $res[-1]	562	wantarray ? @res : $res[-1]
494	}	563	}
495		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
496	=item $value = cf::db_get $family => $key	592	=item $value = cf::db_get $family => $key
497		593
498	Returns a single value from the environment database.	594	Returns a single value from the environment database.
499		595
500	=item cf::db_put $family => $key => $value	596	=item cf::db_put $family => $key => $value
501		597
502	Stores the given C<$value> in the family. It can currently store binary	598	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
505	=cut	606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
506		624
507	our $DB;	625	our $DB;
508		626
509	sub db_init {	627	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	628	cf::sync_job {
514	eval {	629	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	630	};
524	}	631	}
525		632
526	sub db_get($$) {	633	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	634	my $key = "$_[0]/$_[1]";
528		635
…		…
626		733
627	#############################################################################	734	#############################################################################
628		735
629	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
630		737
631	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
634		741
635	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	744	Deliantra).
638		745
639	=over 4	746	=over 4
640		747
641	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
642		749
…		…
686	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
687		794
688	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
690		797
691	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
693		800
694	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
695		802
696	=over 4	803	=over 4
…		…
924	}	1031	}
925		1032
926	0	1033	0
927	}	1034	}
928		1035
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1037
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1039
933	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
934		1041
…		…
940		1047
941	=cut	1048	=cut
942		1049
943	#############################################################################	1050	#############################################################################
944	# object support	1051	# object support
945	#
946		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
947	sub _can_merge {	1086	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1087	my ($ob1, $ob2) = @_;
949		1088
950	local $Storable::canonical = 1;	1089	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1090
954	$fob1 eq $fob2	1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
955	}	1093	}
956		1094
957	sub reattach {	1095	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1097	my ($obj) = @_;
960		1098
		1099	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1101
963	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
964		1103
965	@$registry = ();	1104	@$registry = ();
966		1105
…		…
981	cf::attachable->attach (	1120	cf::attachable->attach (
982	prio => -1000000,	1121	prio => -1000000,
983	on_instantiate => sub {	1122	on_instantiate => sub {
984	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
985		1124
986	$data = from_json $data;	1125	$data = decode_json $data;
987		1126
988	for (@$data) {	1127	for (@$data) {
989	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
990		1129
991	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1146	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
1009		1148
1010	sync_job {	1149	sync_job {
1011	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
1014		1154
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1159	aio_close $fh;
1020		1160
1021	if (@$objs) {	1161	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1167	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1169	}
1030	} else {	1170	} else {
1031	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
1032	}	1172	}
…		…
1037	}	1177	}
1038	} else {	1178	} else {
1039	aio_unlink $filename;	1179	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
1041	}	1181	}
1042	}	1182	};
1043	}	1183	}
1044		1184
1045	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
1047		1187
…		…
1059	or return;	1199	or return;
1060		1200
1061	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1203	or return;
		1204
1064	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
1065	}	1207	}
1066		1208
		1209	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
		1212
1069	return ($data, $av);	1213	($data, $av)
1070	}	1214	}
1071		1215
1072	=head2 COMMAND CALLBACKS	1216	=head2 COMMAND CALLBACKS
1073		1217
1074	=over 4	1218	=over 4
…		…
1197		1341
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1344
1201	$ext{source} =	1345	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
1204	. $source	1348	. $source
1205	. "\n};\n1";	1349	. "\n};\n1";
1206		1350
1207	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1368	: "$v->{base}: extension inactive.\n";
1225		1369
1226	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1371	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1373	}
1231		1374
1232	warn $msg;	1375	warn $msg;
1233	}	1376	}
1234		1377
…		…
1248		1391
1249	=back	1392	=back
1250		1393
1251	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1252		1395
1253	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1254		1397
1255	=cut	1398	=cut
1256		1399
1257	package cf::player;	1400	package cf::player;
1258		1401
1259	use Coro::AIO;	1402	use Coro::AIO;
1260		1403
1261	=head3 cf::player	1404	=head3 cf::player
1262		1405
1263	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
1264		1421
1265	=item cf::player::find $login	1422	=item cf::player::find $login
1266		1423
1267	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1268		1425
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1465
1309	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1312	}	1475	}
1313	}	1476	}
1314	}	1477	}
1315		1478
…		…
1323		1486
1324	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1325		1488
1326	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
		1491
		1492	cf::get_slot 0.01;
1328		1493
1329	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1495	cf::cede_to_tick;
1331	}	1496	}
1332		1497
…		…
1364	my ($pl) = @_;	1529	my ($pl) = @_;
1365		1530
1366	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1367		1532
1368	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1535
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1375		1542
1376	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1580	or return [];
1414		1581
1415	my @logins;	1582	my @logins;
1416		1583
1417	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1421		1594
1422	utf8::decode $login;	1595	utf8::decode $login;
1423	push @logins, $login;	1596	push @logins, $login;
1424	}	1597	}
1425		1598
…		…
1452	}	1625	}
1453		1626
1454	\@paths	1627	\@paths
1455	}	1628	}
1456		1629
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1631
1459	Expand crossfire pod fragments into protocol xml.	1632	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1633
1507	=item $player->ext_reply ($msgid, @msg)	1634	=item $player->ext_reply ($msgid, @msg)
1508		1635
1509	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1510		1637
…		…
1577	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1579		1706
1580	sub generate_random_map {	1707	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1582	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1713	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1838
1709	# the temporary/swap location	1839	# the temporary/swap location
1710	sub save_path {	1840	sub save_path {
1711	my ($self) = @_;	1841	my ($self) = @_;
1712		1842
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1715	}	1845	}
1716		1846
1717	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1718	sub uniq_path {	1848	sub uniq_path {
1719	my ($self) = @_;	1849	my ($self) = @_;
1720		1850
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1723	}	1853	}
1724		1854
1725	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1726	# all maps in C++...	1856	# all maps in C++...
…		…
1749		1879
1750	sub load_header_from($) {	1880	sub load_header_from($) {
1751	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1752		1882
1753	utf8::encode $path;	1883	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1759		1892
1760	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1761		1894
1762	1	1895	1
1763	}	1896	}
…		…
1817	sub find {	1950	sub find {
1818	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1819		1952
1820	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1821		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1823		1957
1824	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1826	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1827	or return;	1963	or return;
1828		1964
1829	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1830		1966
…		…
1832	or return;	1968	or return;
1833		1969
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1837	$map->reset;	1975	$map->reset;
1838	undef $guard;
1839	return find $path;	1976	return find $path;
1840	}	1977	}
1841		1978
1842	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1843	}	1980	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1853		1990
1854	my $path = $self->{path};	1991	my $path = $self->{path};
1855		1992
1856	{	1993	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		1995
		1996	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		1998
1862	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1863		2000
1864	$self->alloc;	2001	$self->alloc;
1865		2002
1866	$self->pre_load;	2003	$self->pre_load;
1867	cf::cede_to_tick;	2004	cf::cede_to_tick;
1868		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1870	or return;	2009	or return;
1871		2010
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1873	if delete $self->{load_original};	2012	if delete $self->{load_original};
1874		2013
1875	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2015	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2018	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1880	}	2022	}
1881	}	2023	}
		2024
		2025	$f->resolve_delayed_derefs;
1882		2026
1883	cf::cede_to_tick;	2027	cf::cede_to_tick;
1884	# now do the right thing for maps	2028	# now do the right thing for maps
1885	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
…		…
1898	}	2042	}
1899		2043
1900	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
1902		2046
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2048	}
1905		2049
1906	$self->post_load;	2050	$self->post_load;
1907	}	2051	}
1908		2052
…		…
1966	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
1967		2111
1968	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1969		2113
1970	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2116	}
1973		2117
1974	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
1975		2119
1976	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1977	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2125	if (my $map = find $k) {
1980	$map->load if $v;	2126	$map->load if $v;
1981	}	2127	}
…		…
2007	return if $self->{deny_save};	2153	return if $self->{deny_save};
2008		2154
2009	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
2010		2156
2011	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2013	};	2160	};
		2161
		2162	cf::get_slot 0.02;
2014		2163
2015	if ($uniq) {	2164	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2167	} else {
…		…
2027	$self->save;	2176	$self->save;
2028		2177
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2179
2031	return if $self->players;	2180	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2182	return if $self->{deny_save};
2034		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2188	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2189	}
2038		2190
2039	sub reset_at {	2191	sub reset_at {
2040	my ($self) = @_;	2192	my ($self) = @_;
2041		2193
…		…
2073	if $uniq;	2225	if $uniq;
2074	}	2226	}
2075		2227
2076	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
2077		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2232	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2233
2082	$self->unlink_save;	2234	$self->unlink_save;
2083	$self->destroy;	2235	$self->destroy;
2084	}	2236	}
2085		2237
2086	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
2087		2239
2088	sub nuke {	2240	sub nuke {
2089	my ($self) = @_;	2241	my ($self) = @_;
2090		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
2091	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
2092		2247
2093	$self->unlink_save;	2248	$self->unlink_save;
2094		2249
2095	bless $self, "cf::map";	2250	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2255
2101	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
2102		2258
2103	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
2104	}	2260	}
2105		2261
2106	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
2148		2304
2149	sub unique_maps() {	2305	sub unique_maps() {
2150	[	2306	[
2151	map {	2307	map {
2152	utf8::decode $_;	2308	utf8::decode $_;
2153	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2154	? normalise $_	2312	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2314	]
2158	}	2315	}
2159		2316
2160	package cf;
2161
2162	=back	2317	=back
2163		2318
2164	=head3 cf::object	2319	=head3 cf::object
2165		2320
2166	=cut	2321	=cut
…		…
2169		2324
2170	=over 4	2325	=over 4
2171		2326
2172	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2173		2328
2174	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2175		2331
2176	=cut	2332	=cut
2177		2333
2178	sub inv_recursive_;	2334	sub inv_recursive_;
2179	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2182		2338
2183	sub inv_recursive {	2339	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2185	}	2341	}
2186		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
2187	package cf;	2371	package cf;
2188		2372
2189	=back	2373	=back
2190		2374
2191	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2199	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2200		2384
2201	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
2202		2400
2203	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2402	# with dialog boxes.
2205	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2206	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2218	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220		2418
2221	} else {	2419	} else {
2222	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2223	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2224	}	2422	}
2225	}	2423	}
2226	}	2424	}
2227		2425
2228	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2253		2451
2254	=item $player_object->enter_link	2452	=item $player_object->enter_link
2255		2453
2256	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2257		2455
2258	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2259	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2260		2460
2261	Will never block.	2461	Will never block.
2262		2462
2263	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2264		2464
…		…
2322		2522
2323	$map->load;	2523	$map->load;
2324	$map->load_neighbours;	2524	$map->load_neighbours;
2325		2525
2326	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2327	$self->activate_recursive;	2528	$self->activate_recursive;
2328		2529
2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2330	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2331	}	2532	}
…		…
2336	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2337	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2338	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2339	be called at the end of this process.	2540	be called at the end of this process.
2340		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
		2544
2341	=cut	2545	=cut
2342		2546
2343	our $GOTOGEN;	2547	our $GOTOGEN;
2344		2548
2345	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350		2554
2351	$self->enter_link;	2555	$self->enter_link;
2352		2556
2353	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2354	my $map = eval {	2579	my $map = eval {
2355	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2356		2581
2357	if ($map) {	2582	if ($map) {
2358	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2359	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2360	} else {	2585	} else {
2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2362	}	2587	}
2363		2588
2364	$map	2589	$map
2365	};	2590	};
2366		2591
…		…
2402	}	2627	}
2403		2628
2404	sub prepare_random_map {	2629	sub prepare_random_map {
2405	my ($exit) = @_;	2630	my ($exit) = @_;
2406		2631
2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
2408
2409	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2410	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2411	# that depends on the exit object	2634	# that depends on the exit object
2412		2635
2413	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2415	if ($exit->map) {	2638	if ($exit->map) {
2416	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2417	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2418	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2419	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2420	}	2645	}
2421		2646
2422	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2423		2648
2424	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2425	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2426	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2427		2652
2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2430	undef $fh;	2655	undef $fh;
2431	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2432		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2433	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2434	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2435	}	2664	}
2436	}	2665	}
2437		2666
2438	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2439	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2440		2669
2441	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2442		2671
2443	if ($exit->slaying eq "/!") {
2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
2445	# the problem is that $exit might not survive long enough
2446	# so it needs to be done right now, right here
2447	cf::sync_job { prepare_random_map $exit };
2448	}
2449
2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2451	my $hp = $exit->stats->hp;
2452	my $sp = $exit->stats->sp;
2453
2454	$self->enter_link;	2672	$self->enter_link;
2455		2673
2456	# if exit is damned, update players death & WoR home-position
2457	$self->contr->savebed ($slaying, $hp, $sp)
2458	if $exit->flag (FLAG_DAMNED);
2459
2460	(async {	2674	(async {
2461	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2462	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2463	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2464		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2465	1;	2698	1
2466	}) {	2699	}) {
2467	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2468	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2469	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2470	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2471		2704
2472	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2500	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2501	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2502		2735
2503	=cut	2736	=cut
2504		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
2505	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2506	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2507		2804
2508	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2509		2807
2510	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2511		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
2512	if (ref $channel) {	2819	} elsif (ref $channel) {
2513	# send meta info to client, if not yet sent	2820	# send meta info to client, if not yet sent
2514	unless (exists $self->{channel}{$channel->{id}}) {	2821	unless (exists $self->{channel}{$channel->{id}}) {
2515	$self->{channel}{$channel->{id}} = $channel;	2822	$self->{channel}{$channel->{id}} = $channel;
2516	$self->ext_msg (channel_info => $channel);	2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
2517	}	2825	}
2518		2826
2519	$channel = $channel->{id};	2827	$channel = $channel->{id};
2520	}	2828	}
2521		2829
…		…
2524	if ($self->can_msg) {	2832	if ($self->can_msg) {
2525	# default colour, mask it out	2833	# default colour, mask it out
2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	if $color & cf::NDI_DEF;	2835	if $color & cf::NDI_DEF;
2528		2836
2529	$self->send_packet ("msg " . $self->{json_coder}->encode (	2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
2531	} else {	2853	} else {
2532	if ($color >= 0) {	2854	if ($color >= 0) {
2533	# replace some tags by gcfclient-compatible ones	2855	# replace some tags by gcfclient-compatible ones
2534	for ($msg) {	2856	for ($msg) {
2535	1 while	2857	1 while
…		…
2733	=pod	3055	=pod
2734		3056
2735	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2736		3058
2737	cf::object	3059	cf::object
2738	contr pay_amount pay_player map x y force_find force_add	3060	contr pay_amount pay_player map x y force_find force_add destroy
2739	insert remove name archname title slaying race decrease_ob_nr	3061	insert remove name archname title slaying race decrease split
2740		3062
2741	cf::object::player	3063	cf::object::player
2742	player	3064	player
2743		3065
2744	cf::player	3066	cf::player
…		…
2749		3071
2750	=cut	3072	=cut
2751		3073
2752	for (	3074	for (
2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2754	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
2755	decrease_ob_nr)],	3077	decrease split destroy change_exp)],
2756	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2757	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2758	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2759	) {	3081	) {
2760	no strict 'refs';	3082	no strict 'refs';
…		…
2836	# the server's init and main functions	3158	# the server's init and main functions
2837		3159
2838	sub load_facedata($) {	3160	sub load_facedata($) {
2839	my ($path) = @_;	3161	my ($path) = @_;
2840		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2842		3168
2843	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2844		3170
2845	my $facedata;	3171	my $facedata;
…		…
2861	{	3187	{
2862	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2863		3189
2864	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2866	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2870		3197
2871	cf::cede_to_tick;	3198	cf::cede_to_tick;
2872	}	3199	}
2873		3200
2874	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2876	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2877	or next;	3205	or next;
		3206
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3210	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2900	{	3229	{
2901	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
2904		3233
2905	my $soundconf = delete $res->{"res/sound.conf"};
2906
2907	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2909	my $data;	3237	my $data;
2910		3238
2911	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
2912	# prepend meta info	3240	# prepend meta info
2913		3241
2914	my $meta = $enc->encode ({	3242	my $meta = $enc->encode ({
2915	name => $name,	3243	name => $name,
2916	%{ $info->{meta} || {} },	3244	%{ $info->{meta} || {} },
2917	});	3245	});
2918		3246
2919	$data = pack "(w/a*)*", $meta, $info->{data};	3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
2920	} else {	3254	} else {
2921	$data = $info->{data};	3255	$RESOURCE{$name} = $info;
2922	}	3256	}
2923		3257
2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2925	cf::face::set_type $idx, $info->{type};
2926
2927	cf::cede_to_tick;	3258	cf::cede_to_tick;
2928	}	3259	}
2929
2930	if ($soundconf) {
2931	$soundconf = $enc->decode (delete $soundconf->{data});
2932
2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2934	my $sound = $soundconf->{compat}[$_]
2935	or next;
2936
2937	my $face = cf::face::find "sound/$sound->[1]";
2938	cf::sound::set $sound->[0] => $face;
2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2940	}
2941
2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
2943	my $face = cf::face::find "sound/$v";
2944	cf::sound::set $k => $face;
2945	}
2946	}
2947	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2948		3263
2949	1	3264	1
2950	}	3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
2951		3286
2952	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
2953	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
2954		3289
2955	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
2956	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
2957	}	3292	}
2958	};	3293	};
2959		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2960	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2961	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2962	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
2963		3312
2964	for (cf::region::list) {	3313	for (cf::region::list) {
2965	$_->{match} = qr/$_->{match}/	3314	$_->{match} = qr/$_->{match}/
…		…
2973	}	3322	}
2974		3323
2975	sub reload_archetypes {	3324	sub reload_archetypes {
2976	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
2977	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
2978	#d# NEED to laod twice to resolve forward references
2979	# this really needs to be done in an extra post-pass
2980	# (which needs to be synchronous, so solve it differently)
2981	load_resource_file "$DATADIR/archetypes"
2982	or die "unable to load archetypes\n";
2983	}	3327	}
2984		3328
2985	sub reload_treasures {	3329	sub reload_treasures {
2986	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
2987	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2988	}	3332	}
2989		3333
2990	sub reload_resources {	3334	sub reload_resources {
2991	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2992		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2993	reload_regions;	3339	reload_regions;
2994	reload_facedata;
2995	#reload_archetypes;#d#
2996	reload_archetypes;
2997	reload_treasures;	3340	reload_treasures;
2998		3341
2999	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3000	}	3343	}
3001		3344
3002	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
3003	reload_resources;	3350	reload_resources;
3004	}	3351	}
3005		3352
3006	sub reload_config {	3353	sub reload_config {
3007	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
3008	or return;	3355	or return;
3009		3356
3010	local $/;	3357	local $/;
3011	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
3012		3359
3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3014		3361
3015	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3016	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3022	};	3369	};
3023	warn $@ if $@;	3370	warn $@ if $@;
3024	}	3371	}
3025	}	3372	}
3026		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
3027	sub main {	3393	sub main {
		3394	atomic;
		3395
3028	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
3029	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3031	(async {	3399	(async {
3032	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
3033	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
3034	};	3403	};
3035		3404
		3405	{
		3406	my $guard = freeze_mainloop;
3036	reload_config;	3407	reload_config;
3037	db_init;	3408	db_init;
3038	load_extensions;	3409	load_extensions;
3039		3410
3040	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
3041	Event::loop;	3419	EV::loop;
3042	}	3420	}
3043		3421
3044	#############################################################################	3422	#############################################################################
3045	# initialisation and cleanup	3423	# initialisation and cleanup
3046		3424
3047	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
3048	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
3049	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
3050	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3051	reentrant => 0,
3052	data => WF_AUTOCANCEL,
3053	signal => $signal,
3054	prio => 0,
3055	cb => sub {
3056	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
3057	},
3058	);	3431	};
3059	}	3432	}
3060	}	3433	}
3061		3434
3062	sub write_runtime {	3435	sub write_runtime_sync {
3063	my $runtime = "$LOCALDIR/runtime";
3064
3065	# first touch the runtime file to show we are still running:	3436	# first touch the runtime file to show we are still running:
3066	# the fsync below can take a very very long time.	3437	# the fsync below can take a very very long time.
3067		3438
3068	IO::AIO::aio_utime $runtime, undef, undef;	3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3069		3440
3070	my $guard = cf::lock_acquire "write_runtime";	3441	my $guard = cf::lock_acquire "write_runtime";
3071		3442
3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3073	or return;	3444	or return;
3074		3445
3075	my $value = $cf::RUNTIME + 90 + 10;	3446	my $value = $cf::RUNTIME + 90 + 10;
3076	# 10 is the runtime save interval, for a monotonic clock	3447	# 10 is the runtime save interval, for a monotonic clock
3077	# 60 allows for the watchdog to kill the server.	3448	# 60 allows for the watchdog to kill the server.
…		…
3087	aio_utime $fh, undef, undef;	3458	aio_utime $fh, undef, undef;
3088		3459
3089	close $fh	3460	close $fh
3090	or return;	3461	or return;
3091		3462
3092	aio_rename "$runtime~", $runtime	3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3093	and return;	3464	and return;
3094		3465
3095	warn "runtime file written.\n";	3466	warn "runtime file written.\n";
3096		3467
3097	1	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
3098	}	3512	}
3099		3513
3100	sub emergency_save() {	3514	sub emergency_save() {
3101	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
3102		3516
…		…
3108	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
3109	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
3110	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
3111	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
3112	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3113	$pl->save;	3528	$pl->save;
3114	}	3529	}
3115	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
3116		3531
3117	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
3123	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
3124		3539
3125	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
3126	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
3127	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
3128	};	3547	};
3129		3548
3130	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
3131	}	3550	}
3132		3551
3133	sub post_cleanup {	3552	sub post_cleanup {
3134	my ($make_core) = @_;	3553	my ($make_core) = @_;
3135		3554
3136	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
3137	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
3138	}	3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
3139		3589
3140	sub do_reload_perl() {	3590	sub do_reload_perl() {
3141	# can/must only be called in main	3591	# can/must only be called in main
3142	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
3143	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
3144	return;	3594	return;
3145	}	3595	}
3146		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
3147	warn "reloading...";	3600	warn "reloading...";
3148		3601
3149	warn "entering sync_job";	3602	warn "entering sync_job";
3150		3603
3151	cf::sync_job {	3604	cf::sync_job {
3152	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
3153	cf::emergency_save;	3606	cf::emergency_save;
3154	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
3155		3608
3156	warn "syncing database to disk";	3609	warn "syncing database to disk";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3158		3611
3159	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
3160		3613
3161	warn "cancelling all WF_AUTOCANCEL watchers";
3162	for (Event::all_watchers) {
3163	$_->cancel if $_->data & WF_AUTOCANCEL;
3164	}
3165
3166	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
3167	for (;;) {
3168	BDB::flush;
3169	IO::AIO::flush;
3170	Coro::cede;
3171	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
3172	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3173	}
3174
3175	++$RELOAD;
3176
3177	warn "cancelling all extension coros";
3178	$_->cancel for values %EXT_CORO;
3179	%EXT_CORO = ();
3180
3181	warn "removing commands";
3182	%COMMAND = ();
3183
3184	warn "removing ext/exti commands";
3185	%EXTCMD = ();
3186	%EXTICMD = ();
3187
3188	warn "unloading/nuking all extensions";
3189	for my $pkg (@EXTS) {
3190	warn "... unloading $pkg";
3191
3192	if (my $cb = $pkg->can ("unload")) {
3193	eval {
3194	$cb->($pkg);
3195	1
3196	} or warn "$pkg unloaded, but with errors: $@";
3197	}	3617	}
3198		3618
3199	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
3200	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
3201	}	3621	%EXT_CORO = ();
3202		3622
3203	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
3204	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3206		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
3207	warn "... unloading $k";	3632	warn "... unloading $pkg";
3208	delete $INC{$k};
3209		3633
3210	$k =~ s/\.pm$//;
3211	$k =~ s/\//::/g;
3212
3213	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
3214	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
3215	}	3643	}
3216		3644
3217	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
3218	}	3660	}
3219		3661
3220	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
3221	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3223		3665
3224	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
3225	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
3226	delete $INC{"cf/pod.pm"};	3668	delete $INC{"cf/pod.pm"};
3227		3669
3228	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
3229	# and global variables created in xs	3671	# and global variables created in xs
3230	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
3231		3673
3232	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
3233		3675
3234	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
3235	require cf;	3677	require cf;
3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3237		3679
3238	warn "loading config and database again";	3680	warn "loading config and database again";
3239	cf::reload_config;	3681	cf::reload_config;
3240		3682
3241	warn "loading extensions";	3683	warn "loading extensions";
3242	cf::load_extensions;	3684	cf::load_extensions;
3243		3685
3244	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
3245	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
3246	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
3247	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
3248	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
3249	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
3250		3692
3251	warn "leaving sync_job";	3693	warn "leaving sync_job";
3252		3694
3253	1	3695	1
3254	} or do {	3696	} or do {
3255	warn $@;	3697	warn $@;
3256	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
3257	exit 1;
3258	};	3699	};
3259		3700
3260	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
3261	};	3704	};
3262		3705
3263	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
3264		3707
3265	sub reload_perl() {	3708	sub reload_perl() {
3266	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
3267	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
3268		3711
3269	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3270	reentrant => 0,
3271	after => 0,
3272	data => WF_AUTOCANCEL,
3273	cb => sub {
3274	do_reload_perl;	3713	do_reload_perl;
3275	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
3276	},
3277	);	3715	};
3278	}	3716	}
3279		3717
3280	register_command "reload" => sub {	3718	register_command "reload" => sub {
3281	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
3282		3720
3283	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
3284	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
3285	async { reload_perl };	3725	reload_perl;
		3726	};
3286	}	3727	}
3287	};	3728	};
3288		3729
3289	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
3290		3731
…		…
3292		3733
3293	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
3294	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
3295		3736
3296	sub wait_for_tick {	3737	sub wait_for_tick {
3297	return unless $TICK_WATCHER->is_active;
3298	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
3299		3739
3300	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
3301	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
3302	$signal->wait;	3742	$signal->wait;
3303	}	3743	}
3304		3744
3305	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
3306	return unless $TICK_WATCHER->is_active;
3307	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
3308		3747
3309	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
3310	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
3311	$signal->wait;	3750	$signal->wait;
3312	}	3751	}
3313		3752
3314	my $min = 1e6;#d#	3753	sub tick {
3315	my $avg = 10;
3316	$TICK_WATCHER = Event->timer (
3317	reentrant => 0,
3318	parked => 1,
3319	prio => 0,
3320	at => $NEXT_TICK || $TICK,
3321	data => WF_AUTOCANCEL,
3322	cb => sub {
3323	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3325	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
3326	return;	3757	return;
3327	}	3758	}
3328		3759
3329	$NOW = $tick_start = Event::time;
3330
3331	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
3332		3761
3333	0 && sync_job {#d#	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	for(1..10) {	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3335	my $t = Event::time;	3764	Coro::async_pool {
3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3765	$Coro::current->{desc} = "runtime saver";
3337	or die;	3766	write_runtime_sync
3338		3767	or warn "ERROR: unable to write runtime file: $!";
3339	$map->width (50);
3340	$map->height (50);
3341	$map->alloc;
3342	$map->_load_objects ("/tmp/x.map", 1);
3343	my $t = Event::time - $t;
3344
3345	#next unless $t < 0.0013;#d#
3346	if ($t < $min) {
3347	$min = $t;
3348	}
3349	$avg = $avg * 0.99 + $t * 0.01;
3350	}
3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3352	exit 0;
3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3354	};	3768	};
		3769	}
3355		3770
3356	$RUNTIME += $TICK;
3357	$NEXT_TICK += $TICK;
3358
3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
3361	Coro::async_pool {
3362	write_runtime
3363	or warn "ERROR: unable to write runtime file: $!";
3364	};
3365	}
3366
3367	# my $AFTER = Event::time;
3368	# warn $AFTER - $NOW;#d#
3369
3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3371	$sig->send;	3772	$sig->send;
3372	}	3773	}
3373	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
3374	$sig->send;	3775	$sig->send;
3375	}	3776	}
3376		3777
3377	$NOW = Event::time;	3778	$LOAD = ($NOW - $TICK_START) / $TICK;
3378
3379	# if we are delayed by four ticks or more, skip them all
3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3381
3382	$TICK_WATCHER->at ($NEXT_TICK);
3383	$TICK_WATCHER->start;
3384
3385	$LOAD = ($NOW - $tick_start) / $TICK;
3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3387		3780
3388	_post_tick;	3781	if (0) {
3389		3782	if ($NEXT_TICK) {
3390		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
3391	},	3787	}
3392	);	3788	}
3393		3789
3394	{	3790	{
3395	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
3396	$BDB_POLL_WATCHER = Event->io (	3792
3397	reentrant => 0,
3398	fd => BDB::poll_fileno,
3399	poll => 'r',
3400	prio => 0,
3401	data => WF_AUTOCANCEL,
3402	cb => \&BDB::poll_cb,
3403	);
3404	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
3405		3794	BDB::max_poll_reqs $TICK * 0.1;
3406	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
3407	my $status;
3408	my $current = $Coro::current;
3409	(
3410	sub {
3411	$status = $!;
3412	$current->ready; undef $current;
3413	},
3414	sub {
3415	Coro::schedule while defined $current;
3416	$! = $status;
3417	},
3418	)
3419	};
3420		3796
3421	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
3422	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3423		3804
3424	cf::sync_job {	3805	cf::sync_job {
3425	eval {	3806	eval {
3426	BDB::db_env_open	3807	BDB::db_env_open
3427	$DB_ENV,	3808	$DB_ENV,
…		…
3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3431	0666;	3812	0666;
3432		3813
3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3434
3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3436	$DB_ENV->set_lk_detect;
3437	};	3815	};
3438		3816
3439	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
3440	};	3818	};
3441	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
3442	}	3830	}
3443		3831
3444	{	3832	{
		3833	# configure IO::AIO
		3834
3445	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
3446
3447	undef $Coro::AIO::WATCHER;
3448	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
3449	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
3450	reentrant => 0,
3451	data => WF_AUTOCANCEL,
3452	fd => IO::AIO::poll_fileno,
3453	poll => 'r',
3454	prio => 6,
3455	cb => \&IO::AIO::poll_cb,
3456	);
3457	}	3838	}
3458		3839
3459	my $_log_backtrace;	3840	my $_log_backtrace;
3460		3841
3461	sub _log_backtrace {	3842	sub _log_backtrace {
…		…
3464	$msg =~ s/\n//;	3845	$msg =~ s/\n//;
3465		3846
3466	# limit the # of concurrent backtraces	3847	# limit the # of concurrent backtraces
3467	if ($_log_backtrace < 2) {	3848	if ($_log_backtrace < 2) {
3468	++$_log_backtrace;	3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
3469	async {	3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
3470	my @bt = fork_call {	3854	my @bt = fork_call {
3471	@addr = map { sprintf "%x", $_ } @addr;	3855	@addr = map { sprintf "%x", $_ } @addr;
3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3474	or die "addr2line: $!";	3858	or die "addr2line: $!";
…		…
3482	}	3866	}
3483		3867
3484	@funcs	3868	@funcs
3485	};	3869	};
3486		3870
3487	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3488	LOG llevInfo, "[ABT] $_\n" for @bt;	3873	LOG llevInfo, "[ABT] $_\n" for @bt;
3489	--$_log_backtrace;	3874	--$_log_backtrace;
3490	};	3875	};
3491	} else {	3876	} else {
3492	LOG llevInfo, "[ABT] $msg\n";	3877	LOG llevInfo, "[ABT] $msg\n";

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