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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.346 by root, Tue Aug 28 19:38:40 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
…		…
272	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
275	returned.	319	returned.
276		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
277	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
279		326
280	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
281		328
282	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
283		330
284	=cut	331	=cut
285		332
286	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
287		335
288	sub lock_wait($) {	336	sub lock_wait($) {
289	my ($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#
290		343
291	# wait for lock, if any	344	# wait for lock, if any
292	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	347	Coro::schedule;
…		…
300		353
301	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
302	lock_wait $key;	355	lock_wait $key;
303		356
304	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
305		359
306	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
309	}	364	}
310	}	365	}
311		366
…		…
314		369
315	! ! $LOCK{$key}	370	! ! $LOCK{$key}
316	}	371	}
317		372
318	sub freeze_mainloop {	373	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
320		375
321	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
322	$TICK_WATCHER->start;	377	}
323	};	378
324	$TICK_WATCHER->stop;	379	=item cf::periodic $interval, $cb
325	$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($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
326	}	392	}
327		393
328	=item cf::get_slot $time[, $priority[, $name]]	394	=item cf::get_slot $time[, $priority[, $name]]
329		395
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	407	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	408	our $SLOT_QUEUE;
343		409
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
346	my $signal = new Coro::Signal;	414	my $signal = new Coro::Signal;
347		415
348	while () {	416	while () {
349	next_job:	417	next_job:
350	my $avail = cf::till_tick;	418	my $avail = cf::till_tick;
…		…
358	}	426	}
359	}	427	}
360	}	428	}
361		429
362	if (@SLOT_QUEUE) {	430	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	432	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	433	$signal->wait;
366	} else {	434	} else {
367	Coro::schedule;	435	Coro::schedule;
368	}	436	}
369	}	437	}
370	};	438	};
371		439
372	sub get_slot($;$$) {	440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
373	my ($time, $pri, $name) = @_;	443	my ($time, $pri, $name) = @_;
374		444
375	$time = $TICK * .6 if $time > $TICK * .6;	445	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	446	my $sig = new Coro::Signal;
377		447
…		…
391		461
392	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
393		463
394	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
395		465
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	466	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	467	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	469	acceptable.
400		470
401	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
402	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
…		…
407		477
408	sub sync_job(&) {	478	sub sync_job(&) {
409	my ($job) = @_;	479	my ($job) = @_;
410		480
411	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	482	my $time = EV::time;
413		483
414	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
416		486
417	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	488
419	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
420		490
421	my $busy = 1;	491	my $busy = 1;
422	my @res;	492	my @res;
423		493
424	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	496	@res = eval { $job->() };
426	warn $@ if $@;	497	warn $@ if $@;
427	undef $busy;	498	undef $busy;
428	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
429		500
430	while ($busy) {	501	while ($busy) {
431	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
432	}	506	}
		507	}
433		508
434	$time = Event::time - $time;	509	my $time = EV::time - $time;
435		510
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	511	$TICK_START += $time; # do not account sync jobs to server load
440		512
441	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
442	} else {	514	} else {
443	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
444		516
…		…
469	=item fork_call { }, $args	541	=item fork_call { }, $args
470		542
471	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
472	process, returning the results. Everything must be serialisable with	544	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	546	never block itself or use any form of event handling.
475		547
476	=cut	548	=cut
477		549
478	sub fork_call(&@) {	550	sub fork_call(&@) {
479	my ($cb, @args) = @_;	551	my ($cb, @args) = @_;
480		552
481	# 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,
482	# otherwise perl prematurely frees the stuff :/	554	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	555	# TODO: investigate and fix (likely this will be rather laborious)
484		556
485	my @res = Coro::Util::fork_eval {	557	my @res = Coro::Util::fork_eval {
486	reset_signals;	558	reset_signals;
487	&$cb	559	&$cb
488	}, @args;	560	}, @args;
489		561
490	wantarray ? @res : $res[-1]	562	wantarray ? @res : $res[-1]
491	}	563	}
492		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
493	=item $value = cf::db_get $family => $key	592	=item $value = cf::db_get $family => $key
494		593
495	Returns a single value from the environment database.	594	Returns a single value from the environment database.
496		595
497	=item cf::db_put $family => $key => $value	596	=item cf::db_put $family => $key => $value
498		597
499	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
500	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).
501		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
502	=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	}
503		624
504	our $DB;	625	our $DB;
505		626
506	sub db_init {	627	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	628	cf::sync_job {
511	eval {	629	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	630	};
521	}	631	}
522		632
523	sub db_get($$) {	633	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	634	my $key = "$_[0]/$_[1]";
525		635
…		…
623		733
624	#############################################################################	734	#############################################################################
625		735
626	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
627		737
628	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
629	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")
630	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
631		741
632	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>
633	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
634	Crossfire TRT).	744	Deliantra).
635		745
636	=over 4	746	=over 4
637		747
638	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
639		749
…		…
683	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
684		794
685	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
686	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
687		797
688	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
690		800
691	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
692		802
693	=over 4	803	=over 4
…		…
921	}	1031	}
922		1032
923	0	1033	0
924	}	1034	}
925		1035
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1037
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1039
930	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
931		1041
…		…
937		1047
938	=cut	1048	=cut
939		1049
940	#############################################################################	1050	#############################################################################
941	# object support	1051	# object support
942	#
943		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#
944	sub _can_merge {	1086	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1087	my ($ob1, $ob2) = @_;
946		1088
947	local $Storable::canonical = 1;	1089	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1090
951	$fob1 eq $fob2	1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
952	}	1093	}
953		1094
954	sub reattach {	1095	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1097	my ($obj) = @_;
957		1098
		1099	# no longer needed after getting rid of delete_package?
958	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
959		1101
960	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
961		1103
962	@$registry = ();	1104	@$registry = ();
963		1105
…		…
978	cf::attachable->attach (	1120	cf::attachable->attach (
979	prio => -1000000,	1121	prio => -1000000,
980	on_instantiate => sub {	1122	on_instantiate => sub {
981	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
982		1124
983	$data = from_json $data;	1125	$data = decode_json $data;
984		1126
985	for (@$data) {	1127	for (@$data) {
986	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
987		1129
988	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1146	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
1006		1148
1007	sync_job {	1149	sync_job {
1008	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
1011		1154
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1159	aio_close $fh;
1017		1160
1018	if (@$objs) {	1161	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1167	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1169	}
1027	} else {	1170	} else {
1028	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
1029	}	1172	}
…		…
1034	}	1177	}
1035	} else {	1178	} else {
1036	aio_unlink $filename;	1179	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
1038	}	1181	}
1039	}	1182	};
1040	}	1183	}
1041		1184
1042	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
1044		1187
…		…
1056	or return;	1199	or return;
1057		1200
1058	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1203	or return;
		1204
1061	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
1062	}	1207	}
1063		1208
		1209	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
		1212
1066	return ($data, $av);	1213	($data, $av)
1067	}	1214	}
1068		1215
1069	=head2 COMMAND CALLBACKS	1216	=head2 COMMAND CALLBACKS
1070		1217
1071	=over 4	1218	=over 4
…		…
1194		1341
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1344
1198	$ext{source} =	1345	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1200	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
1201	. $source	1348	. $source
1202	. "\n};\n1";	1349	. "\n};\n1";
1203		1350
1204	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
1220	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
1221	: "$v->{base}: extension inactive.\n";	1368	: "$v->{base}: extension inactive.\n";
1222		1369
1223	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1224	warn $msg;	1371	warn $msg;
1225	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1226	exit 1;
1227	}	1373	}
1228		1374
1229	warn $msg;	1375	warn $msg;
1230	}	1376	}
1231		1377
…		…
1245		1391
1246	=back	1392	=back
1247		1393
1248	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1249		1395
1250	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1251		1397
1252	=cut	1398	=cut
1253		1399
1254	package cf::player;	1400	package cf::player;
1255		1401
1256	use Coro::AIO;	1402	use Coro::AIO;
1257		1403
1258	=head3 cf::player	1404	=head3 cf::player
1259		1405
1260	=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	}
1261		1421
1262	=item cf::player::find $login	1422	=item cf::player::find $login
1263		1423
1264	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1265		1425
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1465
1306	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1307	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;
1308	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1309	}	1475	}
1310	}	1476	}
1311	}	1477	}
1312		1478
…		…
1320		1486
1321	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1322		1488
1323	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
		1491
		1492	cf::get_slot 0.01;
1325		1493
1326	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1327	cf::cede_to_tick;	1495	cf::cede_to_tick;
1328	}	1496	}
1329		1497
…		…
1361	my ($pl) = @_;	1529	my ($pl) = @_;
1362		1530
1363	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1364		1532
1365	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1366	$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
1367		1535
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1369	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1371	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1372		1542
1373	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1410	or return [];	1580	or return [];
1411		1581
1412	my @logins;	1582	my @logins;
1413		1583
1414	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") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1418		1594
1419	utf8::decode $login;	1595	utf8::decode $login;
1420	push @logins, $login;	1596	push @logins, $login;
1421	}	1597	}
1422		1598
…		…
1449	}	1625	}
1450		1626
1451	\@paths	1627	\@paths
1452	}	1628	}
1453		1629
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1631
1456	Expand crossfire pod fragments into protocol xml.	1632	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1633
1504	=item $player->ext_reply ($msgid, @msg)	1634	=item $player->ext_reply ($msgid, @msg)
1505		1635
1506	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1507		1637
…		…
1574	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1576		1706
1577	sub generate_random_map {	1707	sub generate_random_map {
1578	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
1579	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1713	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1705		1838
1706	# the temporary/swap location	1839	# the temporary/swap location
1707	sub save_path {	1840	sub save_path {
1708	my ($self) = @_;	1841	my ($self) = @_;
1709		1842
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1712	}	1845	}
1713		1846
1714	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1715	sub uniq_path {	1848	sub uniq_path {
1716	my ($self) = @_;	1849	my ($self) = @_;
1717		1850
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1720	}	1853	}
1721		1854
1722	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1723	# all maps in C++...	1856	# all maps in C++...
…		…
1746		1879
1747	sub load_header_from($) {	1880	sub load_header_from($) {
1748	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1749		1882
1750	utf8::encode $path;	1883	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	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;
1756		1892
1757	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1758		1894
1759	1	1895	1
1760	}	1896	}
…		…
1814	sub find {	1950	sub find {
1815	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1816		1952
1817	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1818		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1820		1957
1821	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1822	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1823	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1824	or return;	1963	or return;
1825		1964
1826	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1827		1966
…		…
1829	or return;	1968	or return;
1830		1969
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1834	$map->reset;	1975	$map->reset;
1835	undef $guard;
1836	return find $path;	1976	return find $path;
1837	}	1977	}
1838		1978
1839	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1840	}	1980	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1850		1990
1851	my $path = $self->{path};	1991	my $path = $self->{path};
1852		1992
1853	{	1993	{
1854	my $guard1 = cf::lock_acquire "map_data:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1855	my $guard2 = cf::lock_acquire "map_load:$path";
1856		1995
		1996	return unless $self->valid;
1857	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1858		1998
1859	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1860		2000
1861	$self->alloc;	2001	$self->alloc;
1862		2002
1863	$self->pre_load;	2003	$self->pre_load;
1864	cf::cede_to_tick;	2004	cf::cede_to_tick;
1865		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1866	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1867	or return;	2009	or return;
1868		2010
1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1870	if delete $self->{load_original};	2012	if delete $self->{load_original};
1871		2013
1872	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1873	utf8::encode $uniq;	2015	utf8::encode $uniq;
1874	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1875	$self->clear_unique_items;	2018	$self->clear_unique_items;
1876	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1877	}	2022	}
1878	}	2023	}
		2024
		2025	$f->resolve_delayed_derefs;
1879		2026
1880	cf::cede_to_tick;	2027	cf::cede_to_tick;
1881	# now do the right thing for maps	2028	# now do the right thing for maps
1882	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1883	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
…		…
1895	}	2042	}
1896		2043
1897	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
1898	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
1899		2046
1900	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1901	}	2048	}
1902		2049
1903	$self->post_load;	2050	$self->post_load;
1904	}	2051	}
1905		2052
…		…
1963	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
1964		2111
1965	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1966		2113
1967	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1969	}	2116	}
1970		2117
1971	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
1972		2119
1973	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1974	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1975	while (my ($k, $v) = each %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1976	if (my $map = find $k) {	2125	if (my $map = find $k) {
1977	$map->load if $v;	2126	$map->load if $v;
1978	}	2127	}
…		…
2004	return if $self->{deny_save};	2153	return if $self->{deny_save};
2005		2154
2006	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
2007		2156
2008	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
2009	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2010	};	2160	};
		2161
		2162	cf::get_slot 0.02;
2011		2163
2012	if ($uniq) {	2164	if ($uniq) {
2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2014	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2015	} else {	2167	} else {
…		…
2024	$self->save;	2176	$self->save;
2025		2177
2026	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2179
2028	return if $self->players;	2180	return if $self->players;
2029	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2030	return if $self->{deny_save};	2182	return if $self->{deny_save};
2031		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
2032	$self->clear;	2188	$self->clear;
2033	$self->in_memory (cf::MAP_SWAPPED);
2034	}	2189	}
2035		2190
2036	sub reset_at {	2191	sub reset_at {
2037	my ($self) = @_;	2192	my ($self) = @_;
2038		2193
…		…
2070	if $uniq;	2225	if $uniq;
2071	}	2226	}
2072		2227
2073	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
2074		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
2075	$self->clear;	2232	$self->clear;
2076
2077	$_->clear_links_to ($self) for values %cf::MAP;
2078		2233
2079	$self->unlink_save;	2234	$self->unlink_save;
2080	$self->destroy;	2235	$self->destroy;
2081	}	2236	}
2082		2237
2083	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
2084		2239
2085	sub nuke {	2240	sub nuke {
2086	my ($self) = @_;	2241	my ($self) = @_;
2087		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
2088	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
2089		2247
2090	$self->unlink_save;	2248	$self->unlink_save;
2091		2249
2092	bless $self, "cf::map";	2250	bless $self, "cf::map";
2093	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
2094	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
2095	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2097		2255
2098	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
2099		2258
2100	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
2101	}	2260	}
2102		2261
2103	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
2145		2304
2146	sub unique_maps() {	2305	sub unique_maps() {
2147	[	2306	[
2148	map {	2307	map {
2149	utf8::decode $_;	2308	utf8::decode $_;
2150	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2151	? normalise $_	2312	: normalise $_
2152	: ()
2153	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2154	]	2314	]
2155	}	2315	}
2156		2316
2157	package cf;
2158
2159	=back	2317	=back
2160		2318
2161	=head3 cf::object	2319	=head3 cf::object
2162		2320
2163	=cut	2321	=cut
…		…
2166		2324
2167	=over 4	2325	=over 4
2168		2326
2169	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2170		2328
2171	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.
2172		2331
2173	=cut	2332	=cut
2174		2333
2175	sub inv_recursive_;	2334	sub inv_recursive_;
2176	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2179		2338
2180	sub inv_recursive {	2339	sub inv_recursive {
2181	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2182	}	2341	}
2183		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
2184	package cf;	2371	package cf;
2185		2372
2186	=back	2373	=back
2187		2374
2188	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2194	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>
2195	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
2196	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2197		2384
2198	=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	};
2199		2400
2200	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2201	# with dialog boxes.	2402	# with dialog boxes.
2202	#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
2203	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2215	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2216	$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));
2217		2418
2218	} else {	2419	} else {
2219	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2220	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2221	}	2422	}
2222	}	2423	}
2223	}	2424	}
2224		2425
2225	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2250		2451
2251	=item $player_object->enter_link	2452	=item $player_object->enter_link
2252		2453
2253	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}>).
2254		2455
2255	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.
2256	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.
2257		2460
2258	Will never block.	2461	Will never block.
2259		2462
2260	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2261		2464
…		…
2319		2522
2320	$map->load;	2523	$map->load;
2321	$map->load_neighbours;	2524	$map->load_neighbours;
2322		2525
2323	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2324	$self->activate_recursive;	2528	$self->activate_recursive;
2325		2529
2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2327	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2328	}	2532	}
…		…
2333	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2334	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
2335	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
2336	be called at the end of this process.	2540	be called at the end of this process.
2337		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
2338	=cut	2545	=cut
2339		2546
2340	our $GOTOGEN;	2547	our $GOTOGEN;
2341		2548
2342	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2347		2554
2348	$self->enter_link;	2555	$self->enter_link;
2349		2556
2350	(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
2351	my $map = eval {	2579	my $map = eval {
2352	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2353		2581
2354	if ($map) {	2582	if ($map) {
2355	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2356	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2357	} else {	2585	} else {
2358	$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);
2359	}	2587	}
2360		2588
2361	$map	2589	$map
2362	};	2590	};
2363		2591
…		…
2399	}	2627	}
2400		2628
2401	sub prepare_random_map {	2629	sub prepare_random_map {
2402	my ($exit) = @_;	2630	my ($exit) = @_;
2403		2631
2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
2405
2406	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2407	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2408	# that depends on the exit object	2634	# that depends on the exit object
2409		2635
2410	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2412	if ($exit->map) {	2638	if ($exit->map) {
2413	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2414	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2415	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2416	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2417	}	2645	}
2418		2646
2419	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2420		2648
2421	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2422	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2423	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2424		2652
2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2426	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2427	undef $fh;	2655	undef $fh;
2428	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2429		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2430	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2431	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2432	}	2664	}
2433	}	2665	}
2434		2666
2435	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2436	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2437		2669
2438	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2439		2671
2440	if ($exit->slaying eq "/!") {
2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
2442	# the problem is that $exit might not survive long enough
2443	# so it needs to be done right now, right here
2444	cf::sync_job { prepare_random_map $exit };
2445	}
2446
2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2448	my $hp = $exit->stats->hp;
2449	my $sp = $exit->stats->sp;
2450
2451	$self->enter_link;	2672	$self->enter_link;
2452		2673
2453	# if exit is damned, update players death & WoR home-position
2454	$self->contr->savebed ($slaying, $hp, $sp)
2455	if $exit->flag (FLAG_DAMNED);
2456
2457	(async {	2674	(async {
2458	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2459	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
2460	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2461		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
2462	1;	2698	1
2463	}) {	2699	}) {
2464	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2465	. "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. "
2466	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2467	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2468		2704
2469	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2497	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
2498	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2499		2735
2500	=cut	2736	=cut
2501		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
2502	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2503	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2504		2804
2505	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2506		2807
2507	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2508		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
2509	if (ref $channel) {	2819	} elsif (ref $channel) {
2510	# send meta info to client, if not yet sent	2820	# send meta info to client, if not yet sent
2511	unless (exists $self->{channel}{$channel->{id}}) {	2821	unless (exists $self->{channel}{$channel->{id}}) {
2512	$self->{channel}{$channel->{id}} = $channel;	2822	$self->{channel}{$channel->{id}} = $channel;
2513	$self->ext_msg (channel_info => $channel);	2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
2514	}	2825	}
2515		2826
2516	$channel = $channel->{id};	2827	$channel = $channel->{id};
2517	}	2828	}
2518		2829
…		…
2521	if ($self->can_msg) {	2832	if ($self->can_msg) {
2522	# default colour, mask it out	2833	# default colour, mask it out
2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2524	if $color & cf::NDI_DEF;	2835	if $color & cf::NDI_DEF;
2525		2836
2526	$self->send_packet ("msg " . $self->{json_coder}->encode (	2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
2527	[$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);
2528	} else {	2853	} else {
2529	if ($color >= 0) {	2854	if ($color >= 0) {
2530	# replace some tags by gcfclient-compatible ones	2855	# replace some tags by gcfclient-compatible ones
2531	for ($msg) {	2856	for ($msg) {
2532	1 while	2857	1 while
…		…
2730	=pod	3055	=pod
2731		3056
2732	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2733		3058
2734	cf::object	3059	cf::object
2735	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
2736	insert remove name archname title slaying race decrease_ob_nr	3061	insert remove name archname title slaying race decrease split
2737		3062
2738	cf::object::player	3063	cf::object::player
2739	player	3064	player
2740		3065
2741	cf::player	3066	cf::player
…		…
2746		3071
2747	=cut	3072	=cut
2748		3073
2749	for (	3074	for (
2750	["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
2751	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
2752	decrease_ob_nr)],	3077	decrease split destroy change_exp)],
2753	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2755	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2756	) {	3081	) {
2757	no strict 'refs';	3082	no strict 'refs';
…		…
2833	# the server's init and main functions	3158	# the server's init and main functions
2834		3159
2835	sub load_facedata($) {	3160	sub load_facedata($) {
2836	my ($path) = @_;	3161	my ($path) = @_;
2837		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
2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3168
2840	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2841		3170
2842	my $facedata;	3171	my $facedata;
…		…
2858	{	3187	{
2859	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2860		3189
2861	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2863	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2865	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};
2866	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};
2867		3197
2868	cf::cede_to_tick;	3198	cf::cede_to_tick;
2869	}	3199	}
2870		3200
2871	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2873	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2874	or next;	3205	or next;
		3206
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3210	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2897	{	3229	{
2898	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
2901		3233
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;	3237	my $data;
2907		3238
2908	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
2909	# prepend meta info	3240	# prepend meta info
2910		3241
2911	my $meta = $enc->encode ({	3242	my $meta = $enc->encode ({
2912	name => $name,	3243	name => $name,
2913	%{ $info->{meta} || {} },	3244	%{ $info->{meta} || {} },
2914	});	3245	});
2915		3246
2916	$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};
2917	} else {	3254	} else {
2918	$data = $info->{data};	3255	$RESOURCE{$name} = $info;
2919	}	3256	}
2920		3257
2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922	cf::face::set_type $idx, $info->{type};
2923
2924	cf::cede_to_tick;	3258	cf::cede_to_tick;
2925	}	3259	}
2926
2927	if ($soundconf) {
2928	$soundconf = $enc->decode (delete $soundconf->{data});
2929
2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931	my $sound = $soundconf->{compat}[$_]
2932	or next;
2933
2934	my $face = cf::face::find "sound/$sound->[1]";
2935	cf::sound::set $sound->[0] => $face;
2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937	}
2938
2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
2940	my $face = cf::face::find "sound/$v";
2941	cf::sound::set $k => $face;
2942	}
2943	}
2944	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945		3263
2946	1	3264	1
2947	}	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	});
2948		3286
2949	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
2950	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
2951		3289
2952	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
2954	}	3292	}
2955	};	3293	};
2956		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
2957	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
2958	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
2960		3312
2961	for (cf::region::list) {	3313	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3314	$_->{match} = qr/$_->{match}/
…		…
2970	}	3322	}
2971		3323
2972	sub reload_archetypes {	3324	sub reload_archetypes {
2973	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
2974	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
2975	#d# NEED to laod twice to resolve forward references
2976	# this really needs to be done in an extra post-pass
2977	# (which needs to be synchronous, so solve it differently)
2978	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";
2980	}	3327	}
2981		3328
2982	sub reload_treasures {	3329	sub reload_treasures {
2983	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
2984	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2985	}	3332	}
2986		3333
2987	sub reload_resources {	3334	sub reload_resources {
2988	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2989		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2990	reload_regions;	3339	reload_regions;
2991	reload_facedata;
2992	#reload_archetypes;#d#
2993	reload_archetypes;
2994	reload_treasures;	3340	reload_treasures;
2995		3341
2996	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2997	}	3343	}
2998		3344
2999	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
3000	reload_resources;	3350	reload_resources;
3001	}	3351	}
3002		3352
3003	sub reload_config {	3353	sub reload_config {
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
3005	or return;	3355	or return;
3006		3356
3007	local $/;	3357	local $/;
3008	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
3009		3359
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3011		3361
3012	$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};
3013	$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};
…		…
3019	};	3369	};
3020	warn $@ if $@;	3370	warn $@ if $@;
3021	}	3371	}
3022	}	3372	}
3023		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
3024	sub main {	3393	sub main {
		3394	atomic;
		3395
3025	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
3027	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#
3028	(async {	3399	(async {
3029	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
3031	};	3403	};
3032		3404
		3405	{
		3406	my $guard = freeze_mainloop;
3033	reload_config;	3407	reload_config;
3034	db_init;	3408	db_init;
3035	load_extensions;	3409	load_extensions;
3036		3410
3037	$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
3038	Event::loop;	3419	EV::loop;
3039	}	3420	}
3040		3421
3041	#############################################################################	3422	#############################################################################
3042	# initialisation and cleanup	3423	# initialisation and cleanup
3043		3424
3044	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
3045	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
3054	},
3055	);	3431	};
3056	}	3432	}
3057	}	3433	}
3058		3434
3059	sub write_runtime {	3435	sub write_runtime_sync {
3060	my $runtime = "$LOCALDIR/runtime";
3061
3062	# first touch the runtime file to show we are still running:	3436	# first touch the runtime file to show we are still running:
3063	# the fsync below can take a very very long time.	3437	# the fsync below can take a very very long time.
3064		3438
3065	IO::AIO::aio_utime $runtime, undef, undef;	3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3066		3440
3067	my $guard = cf::lock_acquire "write_runtime";	3441	my $guard = cf::lock_acquire "write_runtime";
3068		3442
3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3070	or return;	3444	or return;
3071		3445
3072	my $value = $cf::RUNTIME + 90 + 10;	3446	my $value = $cf::RUNTIME + 90 + 10;
3073	# 10 is the runtime save interval, for a monotonic clock	3447	# 10 is the runtime save interval, for a monotonic clock
3074	# 60 allows for the watchdog to kill the server.	3448	# 60 allows for the watchdog to kill the server.
…		…
3084	aio_utime $fh, undef, undef;	3458	aio_utime $fh, undef, undef;
3085		3459
3086	close $fh	3460	close $fh
3087	or return;	3461	or return;
3088		3462
3089	aio_rename "$runtime~", $runtime	3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3090	and return;	3464	and return;
3091		3465
3092	warn "runtime file written.\n";	3466	warn "runtime file written.\n";
3093		3467
3094	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($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
3095	}	3512	}
3096		3513
3097	sub emergency_save() {	3514	sub emergency_save() {
3098	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
3099		3516
…		…
3105	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
3107	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3528	$pl->save;
3111	}	3529	}
3112	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
3113		3531
3114	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
3120	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
3121		3539
3122	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
3124	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
3125	};	3547	};
3126		3548
3127	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
3128	}	3550	}
3129		3551
3130	sub post_cleanup {	3552	sub post_cleanup {
3131	my ($make_core) = @_;	3553	my ($make_core) = @_;
3132		3554
3133	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
3134	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
3135	}	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 $RELOAD; # how many times to reload
3136		3589
3137	sub do_reload_perl() {	3590	sub do_reload_perl() {
3138	# can/must only be called in main	3591	# can/must only be called in main
3139	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
3140	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
3141	return;	3594	return;
3142	}	3595	}
3143		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
3144	warn "reloading...";	3600	warn "reloading...";
3145		3601
3146	warn "entering sync_job";	3602	warn "entering sync_job";
3147		3603
3148	cf::sync_job {	3604	cf::sync_job {
3149	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
3150	cf::emergency_save;	3606	cf::emergency_save;
3151	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
3152		3608
3153	warn "syncing database to disk";	3609	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3155		3611
3156	# 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
3157		3613
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162
3163	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
3164	for (;;) {
3165	BDB::flush;
3166	IO::AIO::flush;
3167	Coro::cede;
3168	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
3169	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3170	}
3171
3172	++$RELOAD;
3173
3174	warn "cancelling all extension coros";
3175	$_->cancel for values %EXT_CORO;
3176	%EXT_CORO = ();
3177
3178	warn "removing commands";
3179	%COMMAND = ();
3180
3181	warn "removing ext/exti commands";
3182	%EXTCMD = ();
3183	%EXTICMD = ();
3184
3185	warn "unloading/nuking all extensions";
3186	for my $pkg (@EXTS) {
3187	warn "... unloading $pkg";
3188
3189	if (my $cb = $pkg->can ("unload")) {
3190	eval {
3191	$cb->($pkg);
3192	1
3193	} or warn "$pkg unloaded, but with errors: $@";
3194	}	3617	}
3195		3618
3196	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
3197	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
3198	}	3621	%EXT_CORO = ();
3199		3622
3200	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
3201	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3203		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
3204	warn "... unloading $k";	3632	warn "... unloading $pkg";
3205	delete $INC{$k};
3206		3633
3207	$k =~ s/\.pm$//;
3208	$k =~ s/\//::/g;
3209
3210	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
3211	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
3212	}	3643	}
3213		3644
3214	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 $k;
3215	}	3660	}
3216		3661
3217	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
3218	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
3219	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);
3220		3665
3221	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
3222	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
3223	delete $INC{"cf/pod.pm"};	3668	delete $INC{"cf/pod.pm"};
3224		3669
3225	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
3226	# and global variables created in xs	3671	# and global variables created in xs
3227	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
3228		3673
3229	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
3230		3675
3231	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
3232	require cf;	3677	require cf;
3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3234		3679
3235	warn "loading config and database again";	3680	warn "loading config and database again";
3236	cf::reload_config;	3681	cf::reload_config;
3237		3682
3238	warn "loading extensions";	3683	warn "loading extensions";
3239	cf::load_extensions;	3684	cf::load_extensions;
3240		3685
3241	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
3242	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
3243	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
3244	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
3245	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
3246	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
3247		3692
3248	warn "leaving sync_job";	3693	warn "leaving sync_job";
3249		3694
3250	1	3695	1
3251	} or do {	3696	} or do {
3252	warn $@;	3697	warn $@;
3253	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
3254	exit 1;
3255	};	3699	};
3256		3700
3257	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
3258	};	3704	};
3259		3705
3260	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
3261		3707
3262	sub reload_perl() {	3708	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
3265		3711
3266	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3267	reentrant => 0,
3268	after => 0,
3269	data => WF_AUTOCANCEL,
3270	cb => sub {
3271	do_reload_perl;	3713	do_reload_perl;
3272	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
3273	},
3274	);	3715	};
3275	}	3716	}
3276		3717
3277	register_command "reload" => sub {	3718	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
3279		3720
3280	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	3725	reload_perl;
		3726	};
3283	}	3727	}
3284	};	3728	};
3285		3729
3286	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
3287		3731
…		…
3289		3733
3290	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
3292		3736
3293	sub wait_for_tick {	3737	sub wait_for_tick {
3294	return unless $TICK_WATCHER->is_active;
3295	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
3296		3739
3297	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
3298	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;	3742	$signal->wait;
3300	}	3743	}
3301		3744
3302	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
3303	return unless $TICK_WATCHER->is_active;
3304	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
3305		3747
3306	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	3750	$signal->wait;
3309	}	3751	}
3310		3752
3311	my $min = 1e6;#d#	3753	sub tick {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK || $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
3323	return;	3757	return;
3324	}	3758	}
3325		3759
3326	$NOW = $tick_start = Event::time;
3327
3328	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
3329		3761
3330	0 && sync_job {#d#	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3331	for(1..10) {	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3332	my $t = Event::time;	3764	Coro::async_pool {
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3765	$Coro::current->{desc} = "runtime saver";
3334	or die;	3766	write_runtime_sync
3335		3767	or warn "ERROR: unable to write runtime file: $!";
3336	$map->width (50);
3337	$map->height (50);
3338	$map->alloc;
3339	$map->_load_objects ("/tmp/x.map", 1);
3340	my $t = Event::time - $t;
3341
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	3768	};
		3769	}
3352		3770
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	3772	$sig->send;
3369	}	3773	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	3775	$sig->send;
3372	}	3776	}
3373		3777
3374	$NOW = Event::time;	3778	$LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		3780
3385	_post_tick;	3781	if (0) {
3386		3782	if ($NEXT_TICK) {
3387		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
3388	},	3787	}
3389	);	3788	}
3390		3789
3391	{	3790	{
3392	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	3792
3394	reentrant => 0,
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
3402		3794	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		3796
3418	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
3419	$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);
3420		3804
3421	cf::sync_job {	3805	cf::sync_job {
3422	eval {	3806	eval {
3423	BDB::db_env_open	3807	BDB::db_env_open
3424	$DB_ENV,	3808	$DB_ENV,
…		…
3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	3812	0666;
3429		3813
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	3815	};
3435		3816
3436	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	3818	};
3438	}	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	};
3439	}	3830	}
3440		3831
3441	{	3832	{
		3833	# configure IO::AIO
		3834
3442	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
3447	reentrant => 0,
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	3838	}
3455		3839
3456	my $_log_backtrace;	3840	my $_log_backtrace;
3457		3841
3458	sub _log_backtrace {	3842	sub _log_backtrace {
…		…
3461	$msg =~ s/\n//;	3845	$msg =~ s/\n//;
3462		3846
3463	# limit the # of concurrent backtraces	3847	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	3848	if ($_log_backtrace < 2) {
3465	++$_log_backtrace;	3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
3466	async {	3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
3467	my @bt = fork_call {	3854	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	3855	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	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 |"
3471	or die "addr2line: $!";	3858	or die "addr2line: $!";
…		…
3479	}	3866	}
3480		3867
3481	@funcs	3868	@funcs
3482	};	3869	};
3483		3870
3484	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3485	LOG llevInfo, "[ABT] $_\n" for @bt;	3873	LOG llevInfo, "[ABT] $_\n" for @bt;
3486	--$_log_backtrace;	3874	--$_log_backtrace;
3487	};	3875	};
3488	} else {	3876	} else {
3489	LOG llevInfo, "[ABT] $msg\n";	3877	LOG llevInfo, "[ABT] $msg\n";

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