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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.393 by root, Fri Oct 26 04:47:00 2007 UTC vs.
Revision 1.481 by root, Sun Oct 11 00:24:35 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.51 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
63		95
64	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	97	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
75		111
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	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	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	114	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		116
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	117	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	118	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	120	our $DB_ENV;
89		121
		122	our @EXTRA_MODULES = qw(pod match mapscript);
		123
90	our %CFG;	124	our %CFG;
91		125
92	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
94		129
95	our (%PLAYER, %PLAYER_LOADING); # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
98		133
99	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		136
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
105		146
106	binmode STDOUT;	147	binmode STDOUT;
107	binmode STDERR;	148	binmode STDERR;
108		149
109	# read virtual server time, if available	150	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
114	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
115		158
116	mkdir $_	159	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		161
119	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
120		163
121	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = { map $_ => undef, grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		176
123	#############################################################################	177	#############################################################################
124		178
125	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
126		180
…		…
162		216
163	The raw value load value from the last tick.	217	The raw value load value from the last tick.
164		218
165	=item %cf::CFG	219	=item %cf::CFG
166		220
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	222	from wherever your confdir points to.
169		223
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	224	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		225
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	226	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
177		231
178	This array contains the results of the last C<invoke ()> call. When	232	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	234	that call.
181		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
182	=back	242	=back
183		243
184	=cut	244	=cut
185		245
186	BEGIN {	246	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	247	my $msg = join "", @_;
189		248
190	$msg .= "\n"	249	$msg .= "\n"
191	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
192		251
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		253
195	LOG llevError, $msg;	254	LOG llevError, $msg;
196	};	255	};
197	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
198		270
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	281	for my $pkg (qw(
210	cf::global cf::attachable	282	cf::global cf::attachable
211	cf::object cf::object::player	283	cf::object cf::object::player
212	cf::client cf::player	284	cf::client cf::player
213	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
214	cf::map cf::party cf::region	287	cf::party cf::region
215	)) {	288	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	290	}
219		291
220	$Event::DIED = sub {	292	$EV::DIED = sub {
221	warn "error in event callback: @_";	293	warn "error in event callback: @_";
222	};	294	};
223		295
224	#############################################################################	296	#############################################################################
225		297
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	321	$d
250	} || "[unable to dump $_[0]: '$@']";	322	} || "[unable to dump $_[0]: '$@']";
251	}	323	}
252		324
253	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
254		326
255	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
256		328
257	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
258		330
259	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
260		332
261	=cut	333	=cut
262		334
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		336
265	sub to_json ($) { $json_coder->encode ($_[0]) }	337	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
		352	}
267		353
268	=item cf::lock_wait $string	354	=item cf::lock_wait $string
269		355
270	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
271		357
272	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
273		359
274	Wait until the given lock is available and then acquires it and returns	360	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	361	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	362	for example when the coroutine gets canceled), the lock is automatically
277	returned.	363	returned.
278		364
279	Locks are *not* recursive, locking from the same coro twice results in a	365	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	366	deadlocked coro.
…		…
286		372
287	Return true if the lock is currently active, i.e. somebody has locked it.	373	Return true if the lock is currently active, i.e. somebody has locked it.
288		374
289	=cut	375	=cut
290		376
291	our %LOCK;	377	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		378
294	sub lock_wait($) {	379	sub lock_wait($) {
295	my ($key) = @_;	380	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	381	}
308		382
309	sub lock_acquire($) {	383	sub lock_acquire($) {
310	my ($key) = @_;	384	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	385	}
324		386
325	sub lock_active($) {	387	sub lock_active($) {
326	my ($key) = @_;	388	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	389	}
330		390
331	sub freeze_mainloop {	391	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
333		393
334	my $guard = Coro::guard {	394	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	395	}
336	};	396
337	$TICK_WATCHER->stop;	397	=item cf::periodic $interval, $cb
338	$guard	398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
339	}	410	}
340		411
341	=item cf::get_slot $time[, $priority[, $name]]	412	=item cf::get_slot $time[, $priority[, $name]]
342		413
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	454	}
384	}	455	}
385	};	456	};
386		457
387	sub get_slot($;$$) {	458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
388	my ($time, $pri, $name) = @_;	461	my ($time, $pri, $name) = @_;
389		462
390	$time = $TICK * .6 if $time > $TICK * .6;	463	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	464	my $sig = new Coro::Signal;
392		465
…		…
406		479
407	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
408		481
409	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
410		483
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	484	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	485	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	487	acceptable.
415		488
416	If it must be done, put the blocking parts into C<sync_job>. This will run	489	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	490	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		495
423	sub sync_job(&) {	496	sub sync_job(&) {
424	my ($job) = @_;	497	my ($job) = @_;
425		498
426	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	500	my $time = EV::time;
428		501
429	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
431		504
432	LOG llevError, Carp::longmess "sync job";#d#	505	LOG llevError, Carp::longmess "sync job";#d#
433		506
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
437		508
438	my $busy = 1;	509	my $busy = 1;
439	my @res;	510	my @res;
440		511
…		…
447		518
448	while ($busy) {	519	while ($busy) {
449	if (Coro::nready) {	520	if (Coro::nready) {
450	Coro::cede_notself;	521	Coro::cede_notself;
451	} else {	522	} else {
452	Event::one_event;	523	EV::loop EV::LOOP_ONESHOT;
453	}	524	}
454	}	525	}
455		526
456	$time = Event::time - $time;	527	my $time = EV::time - $time;
457		528
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	529	$TICK_START += $time; # do not account sync jobs to server load
462		530
463	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
464	} else {	532	} else {
465	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
466		534
…		…
491	=item fork_call { }, $args	559	=item fork_call { }, $args
492		560
493	Executes the given code block with the given arguments in a seperate	561	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	562	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	563	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	564	never block itself or use any form of event handling.
497		565
498	=cut	566	=cut
499		567
500	sub fork_call(&@) {	568	sub fork_call(&@) {
501	my ($cb, @args) = @_;	569	my ($cb, @args) = @_;
…		…
508	reset_signals;	576	reset_signals;
509	&$cb	577	&$cb
510	}, @args;	578	}, @args;
511		579
512	wantarray ? @res : $res[-1]	580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
513	}	608	}
514		609
515	=item $value = cf::db_get $family => $key	610	=item $value = cf::db_get $family => $key
516		611
517	Returns a single value from the environment database.	612	Returns a single value from the environment database.
…		…
656		751
657	#############################################################################	752	#############################################################################
658		753
659	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
660		755
661	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
664		759
665	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	762	Deliantra).
668		763
669	=over 4	764	=over 4
670		765
671	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
672		767
…		…
716	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
717		812
718	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
720		815
721	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
723		818
724	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
725		820
726	=over 4	821	=over 4
…		…
954	}	1049	}
955		1050
956	0	1051	0
957	}	1052	}
958		1053
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1055
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1057
963	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
964		1059
…		…
1017		1112
1018	sub reattach {	1113	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1115	my ($obj) = @_;
1021		1116
		1117	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1119
1024	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
1025		1121
1026	@$registry = ();	1122	@$registry = ();
1027		1123
…		…
1042	cf::attachable->attach (	1138	cf::attachable->attach (
1043	prio => -1000000,	1139	prio => -1000000,
1044	on_instantiate => sub {	1140	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
1046		1142
1047	$data = from_json $data;	1143	$data = decode_json $data;
1048		1144
1049	for (@$data) {	1145	for (@$data) {
1050	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
1051		1147
1052	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1169	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
1076		1172
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1176	if ($cf::USE_FSYNC) {
		1177	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1178	aio_fsync $fh;
		1179	}
1081	close $fh;	1180	aio_close $fh;
1082		1181
1083	if (@$objs) {	1182	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1189	aio_fsync $fh;
		1190	}
1089	close $fh;	1191	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1193	}
1092	} else {	1194	} else {
1093	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
1094	}	1196	}
1095		1197
1096	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1202	} else {
1098	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
1099	}	1204	}
1100	} else {	1205	} else {
1101	aio_unlink $filename;	1206	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
1103	}	1208	}
…		…
1194	my ($name, $cb) = @_;	1299	my ($name, $cb) = @_;
1195		1300
1196	$EXTICMD{$name} = $cb;	1301	$EXTICMD{$name} = $cb;
1197	}	1302	}
1198		1303
		1304	use File::Glob ();
		1305
1199	cf::player->attach (	1306	cf::player->attach (
1200	on_command => sub {	1307	on_command => sub {
1201	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
1202		1309
1203	my $cb = $COMMAND{$name}	1310	my $cb = $COMMAND{$name}
…		…
1235		1342
1236	cf::override;	1343	cf::override;
1237	},	1344	},
1238	);	1345	);
1239		1346
		1347	# "readahead" all extensions
		1348	sub cache_extensions {
		1349	my $grp = IO::AIO::aio_group;
		1350
		1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1352	for (grep /\.ext$/, @{$_[0]}) {
		1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1354	}
		1355	};
		1356
		1357	$grp
		1358	}
		1359
1240	sub load_extensions {	1360	sub load_extensions {
1241	cf::sync_job {	1361	cf::sync_job {
1242	my %todo;	1362	my %todo;
1243		1363
1244	for my $path (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1383
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1386
1267	$ext{source} =	1387	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1389	. "#line 1 \"$path\"\n{\n"
1270	. $source	1390	. $source
1271	. "\n};\n1";	1391	. "\n};\n1";
1272		1392
1273	$todo{$base} = \%ext;	1393	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1409	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1410	: "$v->{base}: extension inactive.\n";
1291		1411
1292	if (exists $v->{meta}{mandatory}) {	1412	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1413	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1414	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1415	}
1297		1416
1298	warn $msg;	1417	warn $msg;
1299	}	1418	}
1300		1419
…		…
1314		1433
1315	=back	1434	=back
1316		1435
1317	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1318		1437
1319	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1320		1439
1321	=cut	1440	=cut
1322		1441
1323	package cf::player;	1442	package cf::player;
1324		1443
…		…
1367		1486
1368	sub exists($) {	1487	sub exists($) {
1369	my ($login) = @_;	1488	my ($login) = @_;
1370		1489
1371	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
1373	}	1492	}
1374		1493
1375	sub find($) {	1494	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1496	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1508	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1509	or return;
1391		1510
1392	my $pl = cf::player::load_pl $f	1511	my $pl = cf::player::load_pl $f
1393	or return;	1512	or return;
		1513
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1514	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1515	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1397	}	1517	}
1398	}	1518	}
…		…
1408		1528
1409	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1410		1530
1411	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
		1533
		1534	cf::get_slot 0.01;
1413		1535
1414	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1537	cf::cede_to_tick;
1416	}	1538	}
1417		1539
…		…
1449	my ($pl) = @_;	1571	my ($pl) = @_;
1450		1572
1451	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1452		1574
1453	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1577
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1460		1584
1461	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1625
1502	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
1503	my $path = path $login;	1627	my $path = path $login;
1504		1628
1505	# a .pst is a dead give-away for a valid player	1629	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1635	}
1511		1636
…		…
1542	}	1667	}
1543		1668
1544	\@paths	1669	\@paths
1545	}	1670	}
1546		1671
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1673
1549	Expand crossfire pod fragments into protocol xml.	1674	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1675
1640	=item $player->ext_reply ($msgid, @msg)	1676	=item $player->ext_reply ($msgid, @msg)
1641		1677
1642	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1643		1679
…		…
1710	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1712		1748
1713	sub generate_random_map {	1749	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1753
1715	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1716	$self->_create_random_map (	1755	$self->_create_random_map (
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1841		1880
1842	# the temporary/swap location	1881	# the temporary/swap location
1843	sub save_path {	1882	sub save_path {
1844	my ($self) = @_;	1883	my ($self) = @_;
1845		1884
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	1886	"$TMPDIR/$path.map"
1848	}	1887	}
1849		1888
1850	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1851	sub uniq_path {	1890	sub uniq_path {
1852	my ($self) = @_;	1891	my ($self) = @_;
1853		1892
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	1894	"$UNIQUEDIR/$path"
1856	}
1857
1858	# and all this just because we cannot iterate over
1859	# all maps in C++...
1860	sub change_all_map_light {
1861	my ($change) = @_;
1862
1863	$_->change_map_light ($change)
1864	for grep $_->outdoor, values %cf::MAP;
1865	}	1895	}
1866		1896
1867	sub decay_objects {	1897	sub decay_objects {
1868	my ($self) = @_;	1898	my ($self) = @_;
1869		1899
…		…
1953	sub find {	1983	sub find {
1954	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1955		1985
1956	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1957		1987
1958	cf::lock_wait "map_data:$path";#d#remove	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1960		1990
1961	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1965	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1966	or return;	1993	or return;
1967		1994
1968	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1969		1996
…		…
1971	or return;	1998	or return;
1972		1999
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
1976	undef $guard1;	2004	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	2005	$map->reset;
1979	return find $path;	2006	return find $path;
1980	}	2007	}
1981		2008
1982	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
…		…
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2037	$f->skip_block;
2011	$self->_load_objects ($f)	2038	$self->_load_objects ($f)
2012	or return;	2039	or return;
2013		2040
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
2015	if delete $self->{load_original};	2042	if delete $self->{load_original};
2016		2043
2017	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2045	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2046	unless (aio_stat $uniq) {
…		…
2037	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
2038	$self->decay_objects;	2065	$self->decay_objects;
2039	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
2040	$self->update_buttons;	2067	$self->update_buttons;
2041	cf::cede_to_tick;	2068	cf::cede_to_tick;
2042	$self->set_darkness_map;
2043	cf::cede_to_tick;
2044	$self->activate;	2069	$self->activate;
2045	}	2070	}
2046		2071
2047	$self->{last_save} = $cf::RUNTIME;	2072	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2073	$self->last_access ($cf::RUNTIME);
2049		2074
2050	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
2051	}	2076	}
2052		2077
2053	$self->post_load;	2078	$self->post_load;
2054	}	2079	}
2055		2080
…		…
2113	my ($path, $origin, $load) = @_;	2138	my ($path, $origin, $load) = @_;
2114		2139
2115	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
2116		2141
2117	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2119	}	2144	}
2120		2145
2121	$MAP_PREFETCH{$path} |= $load;	2146	$MAP_PREFETCH{$path} |= $load;
2122		2147
2123	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
…		…
2160	cf::async {	2185	cf::async {
2161	$Coro::current->{desc} = "map player save";	2186	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
2163	};	2188	};
2164		2189
		2190	cf::get_slot 0.02;
		2191
2165	if ($uniq) {	2192	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2195	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2177	$self->save;	2204	$self->save;
2178		2205
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2207
2181	return if $self->players;	2208	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
2183	return if $self->{deny_save};	2210	return if $self->{deny_save};
2184		2211
2185	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
2186		2213
2187	$self->deactivate;	2214	$self->deactivate;
…		…
2212		2239
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214		2241
2215	return if $self->players;	2242	return if $self->players;
2216		2243
2217	warn "resetting map ", $self->path;	2244	warn "resetting map ", $self->path, "\n";
2218		2245
2219	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
2220		2247
2221	# need to save uniques path	2248	# need to save uniques path
2222	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
2305		2332
2306	sub unique_maps() {	2333	sub unique_maps() {
2307	[	2334	[
2308	map {	2335	map {
2309	utf8::decode $_;	2336	utf8::decode $_;
2310	/\.map$/	2337	s/\.map$//; # TODO future compatibility hack
		2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2339	? ()
2311	? normalise $_	2340	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2341	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2342	]
2315	}	2343	}
2316		2344
2317	package cf;
2318
2319	=back	2345	=back
2320		2346
2321	=head3 cf::object	2347	=head3 cf::object
2322		2348
2323	=cut	2349	=cut
…		…
2326		2352
2327	=over 4	2353	=over 4
2328		2354
2329	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
2330		2356
2331	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
2332		2359
2333	=cut	2360	=cut
2334		2361
2335	sub inv_recursive_;	2362	sub inv_recursive_;
2336	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
2342	}	2369	}
2343		2370
2344	=item $ref = $ob->ref	2371	=item $ref = $ob->ref
2345		2372
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2373	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2374
2348	=item $ob = cf::object::deref ($refstring)	2375	=item $ob = cf::object::deref ($refstring)
2349		2376
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2378	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
2385		2412
2386	=cut	2413	=cut
2387		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
		2428
2388	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2430	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2433	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2444	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2446
2406	} else {	2447	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2450	}
2410	}	2451	}
2411	}	2452	}
2412		2453
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2479
2439	=item $player_object->enter_link	2480	=item $player_object->enter_link
2440		2481
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2483
2443	The player should be reasonably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
2445		2488
2446	Will never block.	2489	Will never block.
2447		2490
2448	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
2449		2492
…		…
2507		2550
2508	$map->load;	2551	$map->load;
2509	$map->load_neighbours;	2552	$map->load_neighbours;
2510		2553
2511	return unless $self->contr->active;	2554	return unless $self->contr->active;
2512	$self->activate_recursive;
2513		2555
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
		2560	$self->activate_recursive;
2516	}	2561	}
2517		2562
2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2519		2564
2520	Moves the player to the given map-path and coordinates by first freezing	2565	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2566	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2567	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2568	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2569	be called at the end of this process.
		2570
		2571	Note that $check will be called with a potentially non-loaded map, so if
		2572	it needs a loaded map it has to call C<< ->load >>.
2525		2573
2526	=cut	2574	=cut
2527		2575
2528	our $GOTOGEN;	2576	our $GOTOGEN;
2529		2577
…		…
2608	}	2656	}
2609		2657
2610	sub prepare_random_map {	2658	sub prepare_random_map {
2611	my ($exit) = @_;	2659	my ($exit) = @_;
2612		2660
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2663	# that depends on the exit object
2618		2664
2619	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2667	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
2626	}	2674	}
2627		2675
2628	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
2629		2677
2630	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
2633		2681
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2684	undef $fh;
2637	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
2638		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
2641	}	2693	}
2642	}	2694	}
2643		2695
2644	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
2646		2698
2647	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
2648		2700
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2701	$self->enter_link;
2661		2702
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2703	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2704	$Coro::current->{desc} = "enter_exit";
2668		2705
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
		2713	prepare_random_map $exit
		2714	if $exit->slaying eq "/!";
		2715	}
		2716
		2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
		2720
2671	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
2672		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
2673	1;	2727	1
2674	}) {	2728	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2733
2680	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2746	id => "infobox",	2800	id => "infobox",
2747	title => "Body Parts",	2801	title => "Body Parts",
2748	reply => undef,	2802	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	2803	tooltip => "Shows which body parts you posess and are available",
2750	},	2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
2751	"c/uptime" => {	2841	"c/uptime" => {
2752	id => "infobox",	2842	id => "infobox",
2753	title => "Uptime",	2843	title => "Uptime",
2754	reply => undef,	2844	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	2845	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	2848	id => "infobox",
2759	title => "Map Info",	2849	title => "Map Info",
2760	reply => undef,	2850	reply => undef,
2761	tooltip => "Information related to the maps",	2851	tooltip => "Information related to the maps",
2762	},	2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
2763	);	2867	);
2764		2868
2765	sub cf::client::send_msg {	2869	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	2870	my ($self, $channel, $msg, $color, @extra) = @_;
2767		2871
2768	$msg = $self->pl->expand_cfpod ($msg);	2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
2769		2874
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		2876
2772	# check predefined channels, for the benefit of C	2877	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	2878	if ($CHANNEL{$channel}) {
2774	$channel = $CHANNEL{$channel};	2879	$channel = $CHANNEL{$channel};
2775		2880
2776	$self->ext_msg (channel_info => $channel)	2881	$self->ext_msg (channel_info => $channel);
2777	if $self->can_msg;
2778
2779	$channel = $channel->{id};	2882	$channel = $channel->{id};
2780		2883
2781	} elsif (ref $channel) {	2884	} elsif (ref $channel) {
2782	# send meta info to client, if not yet sent	2885	# send meta info to client, if not yet sent
2783	unless (exists $self->{channel}{$channel->{id}}) {	2886	unless (exists $self->{channel}{$channel->{id}}) {
2784	$self->{channel}{$channel->{id}} = $channel;	2887	$self->{channel}{$channel->{id}} = $channel;
2785	$self->ext_msg (channel_info => $channel)	2888	$self->ext_msg (channel_info => $channel);
2786	if $self->can_msg;
2787	}	2889	}
2788		2890
2789	$channel = $channel->{id};	2891	$channel = $channel->{id};
2790	}	2892	}
2791		2893
2792	return unless @extra || length $msg;	2894	return unless @extra || length $msg;
2793		2895
2794	if ($self->can_msg) {
2795	# default colour, mask it out	2896	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	2898	if $color & cf::NDI_DEF;
2798		2899
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2801	} else {	2903	);
2802	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {
2805	1 while
2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811	}
2812		2904
2813	$color &= cf::NDI_COLOR_MASK;	2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
2814		2908
2815	utf8::encode $msg;	2909	# split very large packets
2816		2910	if (8192 < length $pkt and $self->{can_lzf}) {
2817	if (0 && $msg =~ /\[/) {	2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2818	# COMMAND/INFO	2912	$pkt = "frag";
2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
2820	} else {
2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822	$self->send_packet ("drawinfo $color $msg")
2823	}
2824	}
2825	}	2913	}
		2914
		2915	$self->send_packet ($pkt);
2826	}	2916	}
2827		2917
2828	=item $client->ext_msg ($type, @msg)	2918	=item $client->ext_msg ($type, @msg)
2829		2919
2830	Sends an ext event to the client.	2920	Sends an ext event to the client.
…		…
3004		3094
3005	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
3006		3096
3007	cf::object	3097	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3098	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
		3100	value
3010		3101
3011	cf::object::player	3102	cf::object::player
3012	player	3103	player
3013		3104
3014	cf::player	3105	cf::player
…		…
3019		3110
3020	=cut	3111	=cut
3021		3112
3022	for (	3113	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3115	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3116	decrease split destroy change_exp value msg lore send_msg)],
3026	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
3028	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
3029	) {	3120	) {
3030	no strict 'refs';	3121	no strict 'refs';
3031	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
3032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3049	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
3050		3141
3051	my $qcode = $code;	3142	my $qcode = $code;
3052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3053	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
3054		3147
3055	local $_;	3148	local $_;
3056	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
3057		3150
3058	my $eval =	3151	my $eval =
…		…
3135	{	3228	{
3136	my $faces = $facedata->{faceinfo};	3229	my $faces = $facedata->{faceinfo};
3137		3230
3138	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3233
3140	cf::face::set_visibility $idx, $info->{visibility};	3234	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3235	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144		3238
3145	cf::cede_to_tick;	3239	cf::cede_to_tick;
3146	}	3240	}
3147		3241
3148	while (my ($face, $info) = each %$faces) {	3242	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3243	next unless $info->{smooth};
		3244
3150	my $idx = cf::face::find $face	3245	my $idx = cf::face::find $face
3151	or next;	3246	or next;
		3247
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3248	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3249	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3251	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3174	{	3270	{
3175	# TODO: for gcfclient pleasure, we should give resources	3271	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.	3272	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3273	my $res = $facedata->{resource};
3178		3274
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;	3278	my $data;
3184		3279
3185	if ($info->{type} & 1) {	3280	if ($info->{type} & 1) {
3186	# prepend meta info	3281	# prepend meta info
3187		3282
3188	my $meta = $enc->encode ({	3283	my $meta = $enc->encode ({
3189	name => $name,	3284	name => $name,
3190	%{ $info->{meta} || {} },	3285	%{ $info->{meta} || {} },
3191	});	3286	});
3192		3287
3193	$data = pack "(w/a*)*", $meta, $info->{data};	3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
3194	} else {	3295	} else {
3195	$data = $info->{data};	3296	$RESOURCE{$name} = $info;
3196	}	3297	}
3197		3298
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3299	cf::cede_to_tick;
3202	}	3300	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3304
3223	1	3305	1
3224	}	3306	}
		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
3225		3327
3226	register_exticmd fx_want => sub {	3328	register_exticmd fx_want => sub {
3227	my ($ns, $want) = @_;	3329	my ($ns, $want) = @_;
3228		3330
3229	while (my ($k, $v) = each %$want) {	3331	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3332	$ns->fx_want ($k, $v);
3231	}	3333	}
3232	};	3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
3233		3345
3234	sub reload_regions {	3346	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3347	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3348	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3349	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3363	}
3252		3364
3253	sub reload_archetypes {	3365	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3366	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3367	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3368	}
3262		3369
3263	sub reload_treasures {	3370	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3371	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3372	or die "unable to load treasurelists\n";
3266	}	3373	}
3267		3374
3268	sub reload_resources {	3375	sub reload_resources {
3269	warn "reloading resource files...\n";	3376	warn "reloading resource files...\n";
3270		3377
		3378	reload_facedata;
		3379	reload_archetypes;
3271	reload_regions;	3380	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3381	reload_treasures;
3276		3382
3277	warn "finished reloading resource files\n";	3383	warn "finished reloading resource files\n";
3278	}
3279
3280	sub init {
3281	reload_resources;
3282	}	3384	}
3283		3385
3284	sub reload_config {	3386	sub reload_config {
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
3286	or return;	3388	or return;
3287		3389
3288	local $/;	3390	local $/;
3289	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
3290		3392
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292		3394
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3300	};	3402	};
3301	warn $@ if $@;	3403	warn $@ if $@;
3302	}	3404	}
3303	}	3405	}
3304		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
3305	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
3306	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3453	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3455	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
3313	};	3457	};
3314		3458
		3459	evthread_start IO::AIO::poll_fileno;
		3460
		3461	cf::sync_job {
		3462	reload_resources;
3315	reload_config;	3463	reload_config;
3316	db_init;	3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
3317	load_extensions;	3477	load_extensions;
3318		3478
3319	$TICK_WATCHER->start;	3479	utime time, time, $RUNTIMEFILE;
3320	Event::loop;	3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
3321	}	3489	}
3322		3490
3323	#############################################################################	3491	#############################################################################
3324	# initialisation and cleanup	3492	# initialisation and cleanup
3325		3493
3326	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
3327	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
3336	},
3337	);	3500	};
3338	}	3501	}
3339	}	3502	}
3340		3503
3341	sub write_runtime {	3504	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";
3343
3344	# first touch the runtime file to show we are still running:	3505	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3506	# the fsync below can take a very very long time.
3346		3507
3347	IO::AIO::aio_utime $runtime, undef, undef;	3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3509
3349	my $guard = cf::lock_acquire "write_runtime";	3510	my $guard = cf::lock_acquire "write_runtime";
3350		3511
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3352	or return;	3513	or return;
3353		3514
3354	my $value = $cf::RUNTIME + 90 + 10;	3515	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3516	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3517	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3527	aio_utime $fh, undef, undef;
3367		3528
3368	close $fh	3529	close $fh
3369	or return;	3530	or return;
3370		3531
3371	aio_rename "$runtime~", $runtime	3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3533	and return;
3373		3534
3374	warn "runtime file written.\n";	3535	warn "runtime file written.\n";
3375		3536
3376	1	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
3377	}	3588	}
3378		3589
3379	sub emergency_save() {	3590	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
3381		3592
3382	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
3383		3594
3384	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
3385	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
3386	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
3387	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
3388	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
3389	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
3390	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
3391	$pl->valid or next;	3607	$pl->valid or next;
3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3393	$pl->save;	3609	$pl->save;
3394	}	3610	}
3395	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
3396		3612
3397	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
3398	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
3399	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
3400	$map->valid or next;	3616	$map->valid or next;
3401	$map->save;	3617	$map->save;
3402	}	3618	}
3403	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
3404		3620
3405	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
3408	};	3628	};
3409		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
3410	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
3411	}	3636	}
3412		3637
3413	sub post_cleanup {	3638	sub post_cleanup {
3414	my ($make_core) = @_;	3639	my ($make_core) = @_;
3415		3640
3416	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
3418	}	3672	}
3419		3673
3420	sub do_reload_perl() {	3674	sub do_reload_perl() {
3421	# can/must only be called in main	3675	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
3423	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
3424	return;	3678	return;
3425	}	3679	}
3426		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
3427	warn "reloading...";	3686	warn "reloading...";
3428		3687
3429	warn "entering sync_job";	3688	warn "entering sync_job";
3430		3689
3431	cf::sync_job {	3690	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
3433	cf::emergency_save;	3692	cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
3435		3694
3436	warn "syncing database to disk";	3695	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
3438		3697
3439	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
3440		3699
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
3452	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();
3460
3461	warn "removing commands";
3462	%COMMAND = ();
3463
3464	warn "removing ext/exti commands";
3465	%EXTCMD = ();
3466	%EXTICMD = ();
3467
3468	warn "unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";
3471
3472	if (my $cb = $pkg->can ("unload")) {
3473	eval {
3474	$cb->($pkg);
3475	1
3476	} or warn "$pkg unloaded, but with errors: $@";
3477	}	3703	}
3478		3704
3479	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
3480	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
3481	}	3707	%EXT_CORO = ();
3482		3708
3483	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
3484	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
3487	warn "... unloading $k";	3718	warn "... unloading $pkg";
3488	delete $INC{$k};
3489		3719
3490	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;
3492
3493	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
3494	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
3495	}	3729	}
3496		3730
3497	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
3498	}	3746	}
3499		3747
3500	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		3751
3504	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3507		3755
3508	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
3509	# and global variables created in xs	3757	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
3511		3759
3512	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
3513		3761
3514	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
3515	require cf;	3763	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3517		3765
3518	warn "loading config and database again";	3766	warn "loading config and database again";
3519	cf::reload_config;	3767	cf::reload_config;
3520		3768
3521	warn "loading extensions";	3769	warn "loading extensions";
3522	cf::load_extensions;	3770	cf::load_extensions;
3523		3771
		3772	if ($REATTACH_ON_RELOAD) {
3524	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
3527	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
3530		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
3531	warn "leaving sync_job";	3784	warn "leaving sync_job";
3532		3785
3533	1	3786	1
3534	} or do {	3787	} or do {
3535	warn $@;	3788	warn $@;
3536	warn "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
3537	exit 1;
3538	};	3790	};
3539		3791
3540	warn "reloaded";	3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
3541	};	3798	};
3542		3799
3543	our $RELOAD_WATCHER; # used only during reload	3800	our $RELOAD_WATCHER; # used only during reload
3544		3801
3545	sub reload_perl() {	3802	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	3803	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	3804	# coro crashes during coro_state_free->destroy here.
3548		3805
3549	$RELOAD_WATCHER ||= Event->timer (	3806	$RELOAD_WATCHER ||= cf::async {
3550	reentrant => 0,	3807	Coro::AIO::aio_wait cache_extensions;
3551	after => 0,	3808
3552	data => WF_AUTOCANCEL,	3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3553	cb => sub {
3554	do_reload_perl;	3810	do_reload_perl;
3555	undef $RELOAD_WATCHER;	3811	undef $RELOAD_WATCHER;
3556	},	3812	};
3557	);	3813	};
3558	}	3814	}
3559		3815
3560	register_command "reload" => sub {	3816	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
3562		3818
…		…
3575		3831
3576	our @WAIT_FOR_TICK;	3832	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;	3833	our @WAIT_FOR_TICK_BEGIN;
3578		3834
3579	sub wait_for_tick {	3835	sub wait_for_tick {
3580	return unless $TICK_WATCHER->is_active;
3581	return if $Coro::current == $Coro::main;	3836	return if tick_inhibit || $Coro::current == $Coro::main;
3582		3837
3583	my $signal = new Coro::Signal;	3838	my $signal = new Coro::Signal;
3584	push @WAIT_FOR_TICK, $signal;	3839	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;	3840	$signal->wait;
3586	}	3841	}
3587		3842
3588	sub wait_for_tick_begin {	3843	sub wait_for_tick_begin {
3589	return unless $TICK_WATCHER->is_active;
3590	return if $Coro::current == $Coro::main;	3844	return if tick_inhibit || $Coro::current == $Coro::main;
3591		3845
3592	my $signal = new Coro::Signal;	3846	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	3847	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	3848	$signal->wait;
3595	}	3849	}
3596		3850
3597	$TICK_WATCHER = Event->timer (	3851	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	3852	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	3854	unless ++$bug_warning > 10;
3607	return;	3855	return;
3608	}	3856	}
3609		3857
3610	$NOW = $tick_start = Event::time;
3611
3612	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
3613		3859
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK += $TICK;
3616
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	3862	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	3863	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	3864	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
3623	};
3624	}	3866	};
		3867	}
3625		3868
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	3870	$sig->send;
3628	}	3871	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	3872	while (my $sig = shift @WAIT_FOR_TICK) {
3630	$sig->send;	3873	$sig->send;
3631	}	3874	}
3632		3875
3633	$NOW = Event::time;	3876	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		3878
3644	_post_tick;	3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
3645	},	3885	}
3646	);	3886	}
3647		3887
3648	{	3888	{
		3889	# configure BDB
		3890
3649	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
3650	BDB::max_poll_time $TICK * 0.1;	3892	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	3893	$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		3894
3675	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		3902
3682	cf::sync_job {	3903	cf::sync_job {
3683	eval {	3904	eval {
…		…
3693		3914
3694	cf::cleanup "db_env_open(db): $@" if $@;	3915	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	3916	};
3696	}	3917	}
3697		3918
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	3921	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	3924	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	3927	};
3728	}	3928	}
3729		3929
3730	{	3930	{
		3931	# configure IO::AIO
		3932
3731	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	3935	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	3936	}
3744		3937
3745	my $_log_backtrace;	3938	my $_log_backtrace;
3746		3939
3747	sub _log_backtrace {	3940	sub _log_backtrace {
…		…
3750	$msg =~ s/\n//;	3943	$msg =~ s/\n//;
3751		3944
3752	# limit the # of concurrent backtraces	3945	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	3946	if ($_log_backtrace < 2) {
3754	++$_log_backtrace;	3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
3755	async {	3949	async {
3756	$Coro::current->{desc} = "abt $msg";	3950	$Coro::current->{desc} = "abt $msg";
3757		3951
3758	my @bt = fork_call {	3952	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	3953	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	3964	}
3771		3965
3772	@funcs	3966	@funcs
3773	};	3967	};
3774		3968
3775	LOG llevInfo, "[ABT] $msg\n";	3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	3971	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	3972	--$_log_backtrace;
3778	};	3973	};
3779	} else {	3974	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	3975	LOG llevInfo, "[ABT] $msg\n";
3781	LOG llevInfo, "[ABT] [suppressed]\n";	3976	LOG llevInfo, "[ABT] [suppressed]\n";
3782	}	3977	}
3783	}	3978	}
3784		3979
3785	# load additional modules	3980	# load additional modules
3786	use cf::pod;	3981	require "cf/$_.pm" for @EXTRA_MODULES;
3787		3982
3788	END { cf::emergency_save }	3983	END { cf::emergency_save }
3789		3984
3790	1	3985	1
3791		3986

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