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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
20	use Digest::MD5;	53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
21	use Fcntl;	56	use Fcntl;
22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
24	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
25		62
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
27		64
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		69
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	our %COMMAND = ();	81	our %COMMAND = ();
36	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
		83
		84	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
		87	our %EXT_CORO = (); # coroutines bound to extensions
		88	our %EXT_MAP = (); # pluggable maps
38		89
		90	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	91	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
41		94
42	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	96	our $DATADIR = datadir;
		97	our $LIBDIR = "$DATADIR/ext";
		98	our $PODDIR = "$DATADIR/pod";
		99	our $MAPDIR = "$DATADIR/" . mapdir;
		100	our $LOCALDIR = localdir;
		101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		104	our $RANDOMDIR = "$LOCALDIR/random";
		105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
		116
		117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	119	our $NEXT_TICK;
45	our $NOW;	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
		124	our $BDB_TRICKLE_WATCHER;
		125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
46		128
47	our %CFG;	129	our %CFG;
48		130
49	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
51		134
52	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	137	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	138
56	our %EXT_CORO; # coroutines bound to extensions	139	# used to convert map paths into valid unix filenames by replacing / by ∕
		140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		141
		142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
		145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
57		151
58	binmode STDOUT;	152	binmode STDOUT;
59	binmode STDERR;	153	binmode STDERR;
60		154
61	# read virtual server time, if available	155	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
66	}	160	}
67		161
68	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		163
74	# a special map that is always available	164	mkdir $_
75	our $LINK_MAP;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		166
76	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
		168
		169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		185
78	#############################################################################	186	#############################################################################
79		187
80	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
81		189
…		…
88	=item $cf::RUNTIME	196	=item $cf::RUNTIME
89		197
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	198	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	199	every server tick.
92		200
93	=item $cf::LIBDIR	201	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		202	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		203	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		204
95	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	206	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		207	unique-items directory, player file directory, random maps directory and
		208	database environment.
97		209
98	=item $cf::NOW	210	=item $cf::NOW
99		211
100	The time of the last (current) server tick.	212	The time of the last (current) server tick.
101		213
102	=item $cf::TICK	214	=item $cf::TICK
103		215
104	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
105		217
		218	=item $cf::LOADAVG
		219
		220	The current CPU load on the server (alpha-smoothed), as a value between 0
		221	(none) and 1 (overloaded), indicating how much time is spent on processing
		222	objects per tick. Healthy values are < 0.5.
		223
		224	=item $cf::LOAD
		225
		226	The raw value load value from the last tick.
		227
106	=item %cf::CFG	228	=item %cf::CFG
107		229
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	231	from wherever your confdir points to.
110		232
		233	=item cf::wait_for_tick, cf::wait_for_tick_begin
		234
		235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		236	returns directly I<after> the tick processing (and consequently, can only wake one process
		237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
		250
111	=back	251	=back
112		252
113	=cut	253	=cut
114		254
115	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
116	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
117	my $msg = join "", @_;	262	my $msg = join "", @_;
118	utf8::encode $msg;
119		263
120	$msg .= "\n"	264	$msg .= "\n"
121	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
122		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
123	LOG llevError, $msg;	269	LOG llevWarn, $msg;
124	};	270	};
125	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
126		285
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		293
134	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	295	# within the Safe compartment.
136	for my $pkg (qw(	296	for my $pkg (qw(
137	cf::global cf::attachable	297	cf::global cf::attachable
138	cf::object cf::object::player	298	cf::object cf::object::player
139	cf::client cf::player	299	cf::client cf::player
140	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
141	cf::map cf::party cf::region	302	cf::party cf::region
142	)) {	303	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	305	}
146		306
147	$Event::DIED = sub {	307	$EV::DIED = sub {
148	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
149	};	309	};
150		310
151	my %ext_pkg;	311	#############################################################################
152	my @exts;
153	my @hook;
154		312
155	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
156		314
157	=over 4	315	=over 4
158		316
159	=cut	317	=item dumpval $ref
160		318
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	319	=cut
162		320
		321	sub dumpval {
		322	eval {
		323	local $SIG{__DIE__};
		324	my $d;
		325	if (1) {
		326	$d = new Data::Dumper([$_[0]], ["*var"]);
		327	$d->Terse(1);
		328	$d->Indent(2);
		329	$d->Quotekeys(0);
		330	$d->Useqq(1);
		331	#$d->Bless(...);
		332	$d->Seen($_[1]) if @_ > 1;
		333	$d = $d->Dump();
		334	}
		335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		336	$d
		337	} || "[unable to dump $_[0]: '$@']";
		338	}
		339
163	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
164		341
165	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
166		343
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
175		345
176	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
177		347
178	=cut	348	=cut
179		349
180	sub to_json($) {	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	351
182	JSON::Syck::Dump $_[0]	352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
183	}	367	}
184		368
185	=item cf::lock_wait $string	369	=item cf::lock_wait $string
186		370
187	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
188		372
189	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
190		374
191	Wait until the given lock is available and then acquires it and returns	375	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
194	returned.	378	returned.
195		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
196	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
198		385
199	=cut	386	=item $locked = cf::lock_active $string
200		387
201	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
202		393
203	sub lock_wait($) {	394	sub lock_wait($) {
204	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	396	}
212		397
213	sub lock_acquire($) {	398	sub lock_acquire($) {
214	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
215		401
216	# wait, to be sure we are not locked	402	sub lock_active($) {
217	lock_wait $key;	403	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	404	}
226		405
227	sub freeze_mainloop {	406	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
229		408
230	my $guard = Coro::guard { $TICK_WATCHER->start };	409	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	410	}
232	$guard	411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
		476	}
		477	};
		478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
233	}	492	}
234		493
235	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
236		495
237	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		501
243	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
244		503
245	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
246		505
247	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
250		510
251	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
254	fast or be very important.	514	fast or be very important.
…		…
256	=cut	516	=cut
257		517
258	sub sync_job(&) {	518	sub sync_job(&) {
259	my ($job) = @_;	519	my ($job) = @_;
260		520
261	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
262	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
264		526
265	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	528
267	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
268		530
269	my $busy = 1;	531	my $busy = 1;
270	my @res;	532	my @res;
271		533
272	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	536	@res = eval { $job->() };
274	warn $@ if $@;	537	error $@ if $@;
275	undef $busy;	538	undef $busy;
276	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
277		540
278	while ($busy) {	541	while ($busy) {
279	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
280	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
281		552
282	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
283	} else {	554	} else {
284	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
285		556
…		…
287	}	558	}
288	}	559	}
289		560
290	=item $coro = cf::async_ext { BLOCK }	561	=item $coro = cf::async_ext { BLOCK }
291		562
292	Like async, but this coro is automcatially being canceled when the	563	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	564	extension calling this is being unloaded.
294		565
295	=cut	566	=cut
296		567
297	sub async_ext(&) {	568	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
306		577
307	$coro	578	$coro
308	}	579	}
309		580
310	sub write_runtime {	581	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		582
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	583	Executes the given code block with the given arguments in a seperate
314	or return;	584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
315		587
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	588	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		589
320	aio_fsync $fh	590	sub fork_call(&@) {
321	and return;	591	my ($cb, @args) = @_;
322		592
323	close $fh	593	# we seemingly have to make a local copy of the whole thing,
324	or return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
325		596
326	aio_rename "$runtime~", $runtime	597	my @res = Coro::Util::fork_eval {
327	and return;	598	reset_signals;
		599	&$cb
		600	}, @args;
328		601
		602	wantarray ? @res : $res[-1]
		603	}
		604
		605	sub objinfo {
329	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	781	}
331		782
332	=back	783	=back
333		784
334	=cut	785	=cut
335		786
336	#############################################################################	787	#############################################################################
337		788
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
459		790
460	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
463		794
464	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	797	Deliantra).
467		798
468	=over 4	799	=over 4
469		800
470	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
471		802
…		…
515	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
516		847
517	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
519		850
520	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
522		853
523	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
524		855
525	=over 4	856	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	916	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	917	our @CB_MAP = ();
587		918
588	my %attachment;	919	my %attachment;
589		920
		921	sub cf::attachable::thawer_merge {
		922	# simply override everything except _meta
		923	local $_[0]{_meta};
		924	%{$_[0]} = %{$_[1]};
		925	}
		926
590	sub _attach_cb($$$$) {	927	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	928	my ($registry, $event, $prio, $cb) = @_;
592		929
593	use sort 'stable';	930	use sort 'stable';
594		931
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
629		966
630	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		971
635	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	973	my $pkg = shift @arg;
637		974
638	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
643		980
644	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
645	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
646		983
647	} elsif (ref $type) {	984	} elsif (ref $type) {
648	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
649		986
650	} else {	987	} else {
651	shift @arg;	988	shift @arg;
652	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
653	}	990	}
654	}	991	}
655	}	992	}
656		993
657	sub _object_attach {	994	sub _object_attach {
…		…
667	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
668	}	1005	}
669		1006
670	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
671	} else {	1008	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
673	}	1010	}
674		1011
675	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
676	}	1013	}
677		1014
…		…
679	if (ref $_[0]) {	1016	if (ref $_[0]) {
680	_object_attach @_;	1017	_object_attach @_;
681	} else {	1018	} else {
682	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
683	}	1020	}
		1021	_recalc_want;
684	};	1022	};
685		1023
686	# all those should be optimised	1024	# all those should be optimised
687	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1030	reattach ($obj);
693	} else {	1031	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
695	}	1033	}
		1034	_recalc_want;
696	};	1035	};
697		1036
698	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
700		1039
…		…
715	";	1054	";
716	die if $@;	1055	die if $@;
717	}	1056	}
718		1057
719	our $override;	1058	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1060
722	sub override {	1061	sub override {
723	$override = 1;	1062	$override = 1;
724	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
725	}	1064	}
726		1065
727	sub do_invoke {	1066	sub do_invoke {
728	my $event = shift;	1067	my $event = shift;
729	my $callbacks = shift;	1068	my $callbacks = shift;
730		1069
731	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
732		1071
733	local $override;	1072	local $override;
734		1073
735	for (@$callbacks) {	1074	for (@$callbacks) {
736	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
737		1076
738	if ($@) {	1077	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1079	override;
742	}	1080	}
743		1081
744	return 1 if $override;	1082	return 1 if $override;
745	}	1083	}
746		1084
747	0	1085	0
748	}	1086	}
749		1087
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1089
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1091
754	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
755		1093
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1097
760	=back	1098	=back
761		1099
762	=cut	1100	=cut
763		1101
764	#############################################################################	1102	#############################################################################
765	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
766		1146
767	sub reattach {	1147	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1149	my ($obj) = @_;
		1150
		1151	# no longer needed after getting rid of delete_package?
		1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1153
771	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
772		1155
773	@$registry = ();	1156	@$registry = ();
774		1157
…		…
779	for (@$attach) {	1162	for (@$attach) {
780	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
781	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
782	}	1165	}
783	} else {	1166	} else {
784	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
785	}	1168	}
786	}	1169	}
787	}	1170	}
788		1171
789	cf::attachable->attach (	1172	cf::attachable->attach (
790	prio => -1000000,	1173	prio => -1000000,
791	on_instantiate => sub {	1174	on_instantiate => sub {
792	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
793		1176
794	$data = from_json $data;	1177	$data = decode_json $data;
795		1178
796	for (@$data) {	1179	for (@$data) {
797	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
798		1181
799	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1198	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
817		1200
818	sync_job {	1201	sync_job {
819	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
822		1207
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1211	if ($cf::USE_FSYNC) {
		1212	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;
826	aio_fsync $fh;	1213	aio_fsync $fh;
		1214	}
827	close $fh;	1215	aio_close $fh;
828		1216
829	if (@$objs) {	1217	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	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;
834	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
835	close $fh;	1226	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
837	}	1228	}
838	} else {	1229	} else {
839	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
840	}	1231	}
841		1232
842	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1237	} else {
844	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
845	}	1239	}
846	} else {	1240	} else {
847	aio_unlink $filename;	1241	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
849	}	1243	}
850	}	1244	};
851	}	1245	}
852		1246
853	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
855		1249
…		…
867	or return;	1261	or return;
868		1262
869	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
871	or return;	1265	or return;
		1266
872	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
873	}	1269	}
874		1270
		1271	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
877	return ($data, $av);	1276	($data, $av)
878	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
879		1284
880	#############################################################################	1285	#############################################################################
881	# command handling &c	1286	# command handling &c
882		1287
883	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1302	}
898		1303
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1305
901	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
902		1311
903	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
904	called.	1313	called.
905		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
906	=cut	1326	=cut
907		1327
908	sub register_extcmd {	1328	sub register_extcmd {
909	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
910		1330
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1331	$EXTCMD{$name} = $cb;
915	}	1332	}
		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
916		1341
917	cf::player->attach (	1342	cf::player->attach (
918	on_command => sub {	1343	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
920		1345
921	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
922	or return;	1347	or return;
923		1348
…		…
928	cf::override;	1353	cf::override;
929	},	1354	},
930	on_extcmd => sub {	1355	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
932		1357
933	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1359
935	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
941	} else {	1375	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1377	}
944		1378
945	cf::override;	1379	cf::override;
946	},	1380	},
947	);	1381	);
948		1382
949	sub register {	1383	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1384	sub cache_extensions {
956	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
957		1386
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1390	}
1008	}	1391	};
1009		1392
1010	# remove extcmds	1393	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1394	}
1024		1395
1025	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
1026	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1403	next unless -r $path;
1028	eval {	1404
1029	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use common::sense;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
1030	1	1469	}
1031	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
1032	}	1480	};
1033	}	1481	}
1034		1482
1035	#############################################################################	1483	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1484
1038	*cf::mapsupport::on_clean = sub {	1485	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1486
1073	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1074		1488
1075	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1076		1490
1077	=cut	1491	=cut
1078		1492
1079	package cf::player;	1493	package cf::player;
1080		1494
		1495	use Coro::AIO;
		1496
1081	=head3 cf::player	1497	=head3 cf::player
1082		1498
1083	=over 4	1499	=over 4
1084		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
		1514
1085	=item cf::player::find $login	1515	=item cf::player::find $login
1086		1516
1087	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1088		1518
1089	=cut	1519	=cut
1090		1520
1091	sub playerdir($) {	1521	sub playerdir($) {
1092	cf::localdir	1522	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1524	}
1098		1525
1099	sub path($) {	1526	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1528
1102	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
1103	}	1530	}
1104		1531
1105	sub find_active($) {	1532	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
1110		1537
1111	sub exists($) {	1538	sub exists($) {
1112	my ($login) = @_;	1539	my ($login) = @_;
1113		1540
1114	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1542	or !aio_stat path $login
1116	}	1543	}
1117		1544
1118	sub find($) {	1545	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1547	my $login = $_[0];
1121		1548
1122	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
1123		1550
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1551	$cf::PLAYER{$_[0]} || do {
		1552	# rename old playerfiles to new ones
		1553	#TODO: remove when no longer required
		1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1557	aio_unlink +(playerdir $login) . "/$login.pl";
		1558
		1559	my $f = new_from_file cf::object::thawer path $login
		1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
		1567	$cf::PLAYER{$login} = $pl
		1568	}
1125	};	1569	}
1126	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
1127		1584
1128	sub save($) {	1585	sub save($) {
1129	my ($pl) = @_;	1586	my ($pl) = @_;
1130		1587
1131	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1133	my $path = path $pl;	1590	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1591	my $guard = cf::lock_acquire "user_save:$path";
1135		1592
1136	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1137		1594
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1140		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1141	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1142	Coro::cede;	1604	cf::cede_to_tick;
1143	}	1605	}
1144		1606
1145	sub new($) {	1607	sub new($) {
1146	my ($login) = @_;	1608	my ($login) = @_;
1147		1609
…		…
1153	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1154		1616
1155	$self	1617	$self
1156	}	1618	}
1157		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
		1630	=item $pl->quit_character
		1631
		1632	Nukes the player without looking back. If logged in, the connection will
		1633	be destroyed. May block for a long time.
		1634
		1635	=cut
		1636
1158	sub quit_character {	1637	sub quit_character {
1159	my ($pl) = @_;	1638	my ($pl) = @_;
1160		1639
		1640	my $name = $pl->ob->name;
		1641
1161	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1163		1644
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1165	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1168		1650
1169	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	Coro::AIO::aio_rename $path, $temp;	1653	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1654	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1655	$pl->destroy;
		1656
		1657	my $prefix = qr<^~\Q$name\E/>;
		1658
		1659	# nuke player maps
		1660	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1661
1174	IO::AIO::aio_rmtree $temp;	1662	IO::AIO::aio_rmtree $temp;
1175	}	1663	}
1176		1664
		1665	=item $pl->kick
		1666
		1667	Kicks a player out of the game. This destroys the connection.
		1668
		1669	=cut
		1670
		1671	sub kick {
		1672	my ($pl, $kicker) = @_;
		1673
		1674	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1675	$pl->killer ("kicked");
		1676	$pl->ns->destroy;
		1677	}
		1678
		1679	=item cf::player::list_logins
		1680
		1681	Returns am arrayref of all valid playernames in the system, can take a
		1682	while and may block, so not sync_job-capable, ever.
		1683
		1684	=cut
		1685
		1686	sub list_logins {
		1687	my $dirs = aio_readdir $PLAYERDIR
		1688	or return [];
		1689
		1690	my @logins;
		1691
		1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
		1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1699	aio_read $fh, 0, 512, my $buf, 0 or next;
		1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
		1702
		1703	utf8::decode $login;
		1704	push @logins, $login;
		1705	}
		1706
		1707	\@logins
		1708	}
		1709
		1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
		1713
		1714	Returns an arrayref of map paths that are private for this
		1715	player. May block.
		1716
		1717	=cut
		1718
		1719	sub maps($) {
		1720	my ($pl) = @_;
		1721
		1722	$pl = ref $pl ? $pl->ob->name : $pl;
		1723
		1724	my $files = aio_readdir playerdir $pl
		1725	or return;
		1726
		1727	my @paths;
		1728
		1729	for (@$files) {
		1730	utf8::decode $_;
		1731	next if /\.(?:pl|pst)$/;
		1732	next unless /^$PATH_SEP/o;
		1733
		1734	push @paths, cf::map::normalise "~$pl/$_";
		1735	}
		1736
		1737	\@paths
		1738	}
		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1177	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1178		1745
1179	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1180		1747
1181	=cut	1748	=cut
1182		1749
1183	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1184	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1185		1752
1186	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1187
1188	$self->send ("ext " . cf::to_json \%msg);
1189	}	1754	}
1190		1755
1191	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		1763	my ($self, $type, @msg) = @_;
		1764
		1765	$self->ns->ext_msg ($type, @msg);
		1766	}
		1767
		1768	=head3 cf::region
		1769
		1770	=over 4
		1771
		1772	=cut
		1773
		1774	package cf::region;
		1775
		1776	=item cf::region::find_by_path $path
		1777
		1778	Tries to decuce the likely region for a map knowing only its path.
		1779
		1780	=cut
		1781
		1782	sub find_by_path($) {
		1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
		1787	my ($match, $specificity);
		1788
		1789	for my $region (list) {
		1790	if ($region->{match} && $path =~ $region->{match}) {
		1791	($match, $specificity) = ($region, $region->specificity)
		1792	if $region->specificity > $specificity;
		1793	}
		1794	}
		1795
		1796	$match
		1797	}
1192		1798
1193	=back	1799	=back
1194
1195		1800
1196	=head3 cf::map	1801	=head3 cf::map
1197		1802
1198	=over 4	1803	=over 4
1199		1804
…		…
1202	package cf::map;	1807	package cf::map;
1203		1808
1204	use Fcntl;	1809	use Fcntl;
1205	use Coro::AIO;	1810	use Coro::AIO;
1206		1811
		1812	use overload
		1813	'""' => \&as_string,
		1814	fallback => 1;
		1815
1207	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1208	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1209		1818
1210	sub generate_random_map {	1819	sub generate_random_map {
1211	my ($path, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1212		1823
1213	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1214	cf::map::_create_random_map	1825	$self->_create_random_map (
1215	$path,
1216	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1218	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1220	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1221	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1833	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1834	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1835	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226	(cf::region::find $rmp->{region})	1836	(cf::region::find $rmp->{region}), $rmp->{custom}
		1837	)
1227	}	1838	}
1228		1839
1229	# and all this just because we cannot iterate over	1840	=item cf::map->register ($regex, $prio)
1230	# all maps in C++...
1231	sub change_all_map_light {
1232	my ($change) = @_;
1233		1841
1234	$_->change_map_light ($change)	1842	Register a handler for the map path matching the given regex at the
1235	for grep $_->outdoor, values %cf::MAP;	1843	givne priority (higher is better, built-in handlers have priority 0, the
1236	}	1844	default).
1237		1845
1238	sub try_load_header($) {	1846	=cut
		1847
		1848	sub register {
		1849	my (undef, $regex, $prio) = @_;
		1850	my $pkg = caller;
		1851
		1852	push @{"$pkg\::ISA"}, __PACKAGE__;
		1853
		1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1855	}
		1856
		1857	# also paths starting with '/'
		1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1859
		1860	sub thawer_merge {
		1861	my ($self, $merge) = @_;
		1862
		1863	# we have to keep some variables in memory intact
		1864	local $self->{path};
		1865	local $self->{load_path};
		1866
		1867	$self->SUPER::thawer_merge ($merge);
		1868	}
		1869
		1870	sub normalise {
1239	my ($path) = @_;	1871	my ($path, $base) = @_;
		1872
		1873	$path = "$path"; # make sure its a string
		1874
		1875	$path =~ s/\.map$//;
		1876
		1877	# map plan:
		1878	#
		1879	# /! non-realised random map exit (special hack!)
		1880	# {... are special paths that are not being touched
		1881	# ?xxx/... are special absolute paths
		1882	# ?random/... random maps
		1883	# /... normal maps
		1884	# ~user/... per-player map of a specific user
		1885
		1886	$path =~ s/$PATH_SEP/\//go;
		1887
		1888	# treat it as relative path if it starts with
		1889	# something that looks reasonable
		1890	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1891	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1892
		1893	$base =~ s{[^/]+/?$}{};
		1894	$path = "$base/$path";
		1895	}
		1896
		1897	for ($path) {
		1898	redo if s{//}{/};
		1899	redo if s{/\.?/}{/};
		1900	redo if s{/[^/]+/\.\./}{/};
		1901	}
		1902
		1903	$path
		1904	}
		1905
		1906	sub new_from_path {
		1907	my (undef, $path, $base) = @_;
		1908
		1909	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1910
		1911	$path = normalise $path, $base;
		1912
		1913	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1914	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1915	my $self = bless cf::map::new, $pkg;
		1916	$self->{path} = $path; $self->path ($path);
		1917	$self->init; # pass $1 etc.
		1918	return $self;
		1919	}
		1920	}
		1921
		1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1923	()
		1924	}
		1925
		1926	sub init {
		1927	my ($self) = @_;
		1928
		1929	$self
		1930	}
		1931
		1932	sub as_string {
		1933	my ($self) = @_;
		1934
		1935	"$self->{path}"
		1936	}
		1937
		1938	# the displayed name, this is a one way mapping
		1939	sub visible_name {
		1940	&as_string
		1941	}
		1942
		1943	# the original (read-only) location
		1944	sub load_path {
		1945	my ($self) = @_;
		1946
		1947	"$MAPDIR/$self->{path}.map"
		1948	}
		1949
		1950	# the temporary/swap location
		1951	sub save_path {
		1952	my ($self) = @_;
		1953
		1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1955	"$TMPDIR/$path.map"
		1956	}
		1957
		1958	# the unique path, undef == no special unique path
		1959	sub uniq_path {
		1960	my ($self) = @_;
		1961
		1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1963	"$UNIQUEDIR/$path"
		1964	}
		1965
		1966	sub decay_objects {
		1967	my ($self) = @_;
		1968
		1969	return if $self->{deny_reset};
		1970
		1971	$self->do_decay_objects;
		1972	}
		1973
		1974	sub unlink_save {
		1975	my ($self) = @_;
		1976
		1977	utf8::encode (my $save = $self->save_path);
		1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1980	}
		1981
		1982	sub load_header_from($) {
		1983	my ($self, $path) = @_;
1240		1984
1241	utf8::encode $path;	1985	utf8::encode $path;
1242	aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1243	or return;	1987	or return;
1244		1988
1245	my $map = cf::map::new	1989	$self->_load_header ($f)
1246	or return;	1990	or return;
1247		1991
1248	# for better error messages only, will be overwritten	1992	local $MAP_LOADING{$self->{path}} = $self;
1249	$map->path ($path);	1993	$f->resolve_delayed_derefs;
1250		1994
1251	$map->load_header ($path)	1995	$self->{load_path} = $path;
		1996
		1997	1
		1998	}
		1999
		2000	sub load_header_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->load_header_from ($self->load_path)
		2004	}
		2005
		2006	sub load_header_temp {
		2007	my ($self) = @_;
		2008
		2009	$self->load_header_from ($self->save_path)
		2010	}
		2011
		2012	sub prepare_temp {
		2013	my ($self) = @_;
		2014
		2015	$self->last_access ((delete $self->{last_access})
		2016	|| $cf::RUNTIME); #d#
		2017	# safety
		2018	$self->{instantiate_time} = $cf::RUNTIME
		2019	if $self->{instantiate_time} > $cf::RUNTIME;
		2020	}
		2021
		2022	sub prepare_orig {
		2023	my ($self) = @_;
		2024
		2025	$self->{load_original} = 1;
		2026	$self->{instantiate_time} = $cf::RUNTIME;
		2027	$self->last_access ($cf::RUNTIME);
		2028	$self->instantiate;
		2029	}
		2030
		2031	sub load_header {
		2032	my ($self) = @_;
		2033
		2034	if ($self->load_header_temp) {
		2035	$self->prepare_temp;
		2036	} else {
		2037	$self->load_header_orig
1252	or return;	2038	or return;
		2039	$self->prepare_orig;
		2040	}
1253		2041
1254	$map->{load_path} = $path;	2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
1255		2044
1256	$map	2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
		2048	1
1257	}	2049	}
1258		2050
1259	sub find;	2051	sub find;
1260	sub find {	2052	sub find {
1261	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1262		2054
1263	#warn "find<$path,$origin>\n";#d#
1264
1265	$path = new cf::path $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1266	my $key = $path->as_string;
1267		2056
1268	cf::lock_wait "map_find:$key";	2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1269
1270	$cf::MAP{$key} || do {
1271	my $guard = cf::lock_acquire "map_find:$key";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1272		2059
1273	# do it the slow way	2060	$cf::MAP{$path} || do {
1274	my $map = try_load_header $path->save_path;	2061	my $map = new_from_path cf::map $path
1275
1276	Coro::cede;
1277
1278	if ($map) {
1279	$map->last_access ((delete $map->{last_access})
1280	|| $cf::RUNTIME); #d#
1281	# safety
1282	$map->{instantiate_time} = $cf::RUNTIME
1283	if $map->{instantiate_time} > $cf::RUNTIME;
1284	} else {
1285	if (my $rmp = $path->random_map_params) {
1286	$map = generate_random_map $key, $rmp;
1287	} else {
1288	$map = try_load_header $path->load_path;
1289	}
1290
1291	$map or return;	2062	or return;
1292		2063
1293	$map->{load_original} = 1;
1294	$map->{instantiate_time} = $cf::RUNTIME;
1295	$map->last_access ($cf::RUNTIME);
1296	$map->instantiate;
1297
1298	# per-player maps become, after loading, normal maps
1299	$map->per_player (0) if $path->{user_rel};
1300	}
1301
1302	$map->path ($key);
1303	$map->{path} = $path;
1304	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1305		2065
1306	Coro::cede;	2066	$map->load_header
		2067	or return;
1307		2068
1308	if ($map->should_reset) {	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2070	# doing this can freeze the server in a sync job, obviously
		2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1309	$map->reset;	2074	$map->reset;
1310	undef $guard;
1311	$map = find $path	2075	return find $path;
1312	or return;
1313	}	2076	}
1314		2077
1315	$cf::MAP{$key} = $map	2078	$cf::MAP{$path} = $map
1316	}	2079	}
1317	}	2080	}
		2081
		2082	sub pre_load { }
		2083	#sub post_load { } # XS
1318		2084
1319	sub load {	2085	sub load {
1320	my ($self) = @_;	2086	my ($self) = @_;
1321		2087
		2088	local $self->{deny_reset} = 1; # loading can take a long time
		2089
1322	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2093	my $guard = cf::lock_acquire "map_data:$path";
1324		2094
		2095	return unless $self->valid;
1325	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1326		2097
1327	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1328		2099
1329	$self->alloc;	2100	$self->alloc;
1330	$self->load_objects ($self->{load_path}, 1)	2101
		2102	$self->pre_load;
		2103	cf::cede_to_tick;
		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1331	or return;	2108	or return;
1332		2109
1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1334	if delete $self->{load_original};	2111	if delete $self->{load_original};
1335		2112
1336	if (my $uniq = $path->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1337	utf8::encode $uniq;	2114	utf8::encode $uniq;
1338	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1339	$self->clear_unique_items;	2117	$self->clear_unique_items;
1340	$self->load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1341	}	2121	}
1342	}	2122	}
1343		2123
1344	Coro::cede;	2124	$f->resolve_delayed_derefs;
1345		2125
		2126	cf::cede_to_tick;
1346	# now do the right thing for maps	2127	# now do the right thing for maps
1347	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1348
1349	if ($self->{path}->is_style_map) {
1350	$self->{deny_save} = 1;
1351	$self->{deny_reset} = 1;
1352	} else {
1353	$self->fix_auto_apply;
1354	$self->decay_objects;
1355	$self->update_buttons;
1356	$self->set_darkness_map;
1357	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1358	unless $self->difficulty;	2130	unless $self->difficulty;
		2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1359	$self->activate;	2138	$self->activate;
1360	}	2139	}
1361		2140
1362	Coro::cede;	2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
1363		2143
1364	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
		2145	}
		2146
		2147	$self->post_load;
		2148	}
		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
		2153	sub customise_for {
		2154	my ($self, $ob) = @_;
		2155
		2156	return find "~" . $ob->name . "/" . $self->{path}
		2157	if $self->per_player;
		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
		2162	$self
		2163	}
		2164
		2165	# find and load all maps in the 3x3 area around a map
		2166	sub load_neighbours {
		2167	my ($map) = @_;
		2168
		2169	my @neigh; # diagonal neighbours
		2170
		2171	for (0 .. 3) {
		2172	my $neigh = $map->tile_path ($_)
		2173	or next;
		2174	$neigh = find $neigh, $map
		2175	or next;
		2176	$neigh->load;
		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
		2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2182	}
		2183
		2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
		2186	my $neigh = find $path, $origin
		2187	or next;
		2188	$neigh->load;
		2189	}
1365	}	2190	}
1366		2191
1367	sub find_sync {	2192	sub find_sync {
1368	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1369		2194
1370	cf::sync_job { cf::map::find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1371	}	2199	}
1372		2200
1373	sub do_load_sync {	2201	sub do_load_sync {
1374	my ($map) = @_;	2202	my ($map) = @_;
1375		2203
1376	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
		2208	}
		2209
		2210	our %MAP_PREFETCH;
		2211	our $MAP_PREFETCHER = undef;
		2212
		2213	sub find_async {
		2214	my ($path, $origin, $load) = @_;
		2215
		2216	$path = normalise $path, $origin && $origin->{path};
		2217
		2218	if (my $map = $cf::MAP{$path}) {
		2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2220	}
		2221
		2222	$MAP_PREFETCH{$path} |= $load;
		2223
		2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
		2227	while (%MAP_PREFETCH) {
		2228	while (my ($k, $v) = each %MAP_PREFETCH) {
		2229	if (my $map = find $k) {
		2230	$map->load if $v;
		2231	}
		2232
		2233	delete $MAP_PREFETCH{$k};
		2234	}
		2235	}
		2236	undef $MAP_PREFETCHER;
		2237	};
		2238	$MAP_PREFETCHER->prio (6);
		2239
		2240	()
		2241	}
		2242
		2243	# common code, used by both ->save and ->swapout
		2244	sub _save {
		2245	my ($self) = @_;
		2246
		2247	$self->{last_save} = $cf::RUNTIME;
		2248
		2249	return unless $self->dirty;
		2250
		2251	my $save = $self->save_path; utf8::encode $save;
		2252	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2253
		2254	$self->{load_path} = $save;
		2255
		2256	return if $self->{deny_save};
		2257
		2258	local $self->{last_access} = $self->last_access;#d#
		2259
		2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
		2262	$_->contr->save for $self->players;
		2263	};
		2264
		2265	cf::get_slot 0.02;
		2266
		2267	if ($uniq) {
		2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2270	} else {
		2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2272	}
1377	}	2273	}
1378		2274
1379	sub save {	2275	sub save {
1380	my ($self) = @_;	2276	my ($self) = @_;
1381		2277
1382	my $lock = cf::lock_acquire "map_data:" . $self->path;	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1383		2279
1384	$self->{last_save} = $cf::RUNTIME;	2280	$self->_save;
1385
1386	return unless $self->dirty;
1387
1388	my $save = $self->{path}->save_path; utf8::encode $save;
1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1390
1391	$self->{load_path} = $save;
1392
1393	return if $self->{deny_save};
1394
1395	local $self->{last_access} = $self->last_access;#d#
1396
1397	cf::async {
1398	$_->contr->save for $self->players;
1399	};
1400
1401	if ($uniq) {
1402	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403	$self->save_objects ($uniq, cf::IO_UNIQUES);
1404	} else {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406	}
1407	}	2281	}
1408		2282
1409	sub swap_out {	2283	sub swap_out {
1410	my ($self) = @_;	2284	my ($self) = @_;
1411		2285
1412	# save first because save cedes
1413	$self->save;
1414
1415	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1416		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1417	return if $self->players;	2290	return if $self->players;
1418	return if $self->in_memory != cf::MAP_IN_MEMORY;
1419	return if $self->{deny_save};
1420		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1421	$self->clear;	2301	$self->clear;
1422	$self->in_memory (cf::MAP_SWAPPED);
1423	}	2302	}
1424		2303
1425	sub reset_at {	2304	sub reset_at {
1426	my ($self) = @_;	2305	my ($self) = @_;
1427		2306
1428	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1429	return 1e99 if $self->{path}{user_rel};
1430	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1431		2309
1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434		2312
…		…
1439	my ($self) = @_;	2317	my ($self) = @_;
1440		2318
1441	$self->reset_at <= $cf::RUNTIME	2319	$self->reset_at <= $cf::RUNTIME
1442	}	2320	}
1443		2321
1444	sub unlink_save {
1445	my ($self) = @_;
1446
1447	utf8::encode (my $save = $self->{path}->save_path);
1448	aioreq_pri 3; IO::AIO::aio_unlink $save;
1449	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450	}
1451
1452	sub rename {
1453	my ($self, $new_path) = @_;
1454
1455	$self->unlink_save;
1456
1457	delete $cf::MAP{$self->path};
1458	$self->{path} = new cf::path $new_path;
1459	$self->path ($self->{path}->as_string);
1460	$cf::MAP{$self->path} = $self;
1461
1462	$self->save;
1463	}
1464
1465	sub reset {	2322	sub reset {
1466	my ($self) = @_;	2323	my ($self) = @_;
1467		2324
1468	my $lock = cf::lock_acquire "map_data:" . $self->path;	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1469		2326
1470	return if $self->players;	2327	return if $self->players;
1471	return if $self->{path}{user_rel};#d#
1472		2328
1473	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
		2330
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# need to save uniques path
		2334	unless ($self->{deny_save}) {
		2335	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2336
		2337	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2338	if $uniq;
		2339	}
1474		2340
1475	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1476		2342
		2343	$self->deactivate;
1477	$_->clear_links_to ($self) for values %cf::MAP;	2344	$_->clear_links_to ($self) for values %cf::MAP;
		2345	$self->clear;
1478		2346
1479	$self->unlink_save;	2347	$self->unlink_save;
1480	$self->destroy;	2348	$self->destroy;
1481	}	2349	}
1482		2350
1483	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1484		2352
1485	sub nuke {	2353	sub nuke {
1486	my ($self) = @_;	2354	my ($self) = @_;
1487		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	delete $cf::MAP{$self->path};
		2360
		2361	$self->unlink_save;
		2362
		2363	bless $self, "cf::map::wrap";
		2364	delete $self->{deny_reset};
1488	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1489	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1490	$self->rename ("{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2368
		2369	$cf::MAP{$self->path} = $self;
		2370	}
		2371
1491	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
1492	}	2373	}
1493		2374
1494	sub customise_for {	2375	=item $maps = cf::map::tmp_maps
1495	my ($map, $ob) = @_;
1496		2376
1497	if ($map->per_player) {	2377	Returns an arrayref with all map paths of currently instantiated and saved
1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
1499	}	2383	[
1500		2384	map {
1501	$map	2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
1502	}	2391	}
1503		2392
1504	sub emergency_save {	2393	=item $maps = cf::map::random_maps
1505	my $freeze_guard = cf::freeze_mainloop;
1506		2394
1507	warn "enter emergency perl save\n";	2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
1508		2397
1509	cf::sync_job {	2398	=cut
1510	warn "begin emergency player save\n";
1511	$_->save for values %cf::PLAYER;
1512	warn "end emergency player save\n";
1513		2399
1514	warn "begin emergency map save\n";	2400	sub random_maps() {
1515	$_->save for values %cf::MAP;	2401	[
1516	warn "end emergency map save\n";	2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
		2409	}
		2410
		2411	=item cf::map::unique_maps
		2412
		2413	Returns an arrayref of paths of all shared maps that have
		2414	instantiated unique items. May block.
		2415
		2416	=cut
		2417
		2418	sub unique_maps() {
		2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
		2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
		2427	]
		2428	}
		2429
		2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
1517	};	2457	}
1518		2458
1519	warn "leave emergency perl save\n";	2459	\@maps
		2460	}
		2461
		2462	=back
		2463
		2464	=head3 cf::object
		2465
		2466	=cut
		2467
		2468	package cf::object;
		2469
		2470	=over 4
		2471
		2472	=item $ob->inv_recursive
		2473
		2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
		2476
		2477	=cut
		2478
		2479	sub inv_recursive_;
		2480	sub inv_recursive_ {
		2481	map { $_, inv_recursive_ $_->inv } @_
		2482	}
		2483
		2484	sub inv_recursive {
		2485	inv_recursive_ inv $_[0]
		2486	}
		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
1520	}	2514	}
1521		2515
1522	package cf;	2516	package cf;
1523		2517
1524	=back	2518	=back
1525
1526		2519
1527	=head3 cf::object::player	2520	=head3 cf::object::player
1528		2521
1529	=over 4	2522	=over 4
1530		2523
…		…
1533	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1534	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1535	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1536		2529
1537	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1538		2545
1539	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1540	# with dialog boxes.	2547	# with dialog boxes.
1541	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1542	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1544		2551
1545	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1546		2553
1547	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1548	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1549	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1550	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1551	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1552	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1553	}	2579	}
1554		2580
1555	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1556		2582
1557	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1570		2596
1571	=item $player_object->enter_link	2597	=item $player_object->enter_link
1572		2598
1573	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1574		2600
1575	The player should be reaosnably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1576	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
		2605
		2606	Will never block.
1577		2607
1578	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1579		2609
1580	Moves the player out of the specila link map onto the given map. If the	2610	Moves the player out of the special C<{link}> map onto the specified
1581	map is not valid (or omitted), the player will be moved back to the	2611	map. If the map is not valid (or omitted), the player will be moved back
1582	location he/she was before the call to C<enter_link>, or, if that fails,	2612	to the location he/she was before the call to C<enter_link>, or, if that
1583	to the emergency map position.	2613	fails, to the emergency map position.
1584		2614
1585	Might block.	2615	Might block.
1586		2616
1587	=cut	2617	=cut
		2618
		2619	sub link_map {
		2620	unless ($LINK_MAP) {
		2621	$LINK_MAP = cf::map::find "{link}"
		2622	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2623	$LINK_MAP->load;
		2624	}
		2625
		2626	$LINK_MAP
		2627	}
1588		2628
1589	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1590	my ($self) = @_;	2630	my ($self) = @_;
1591		2631
1592	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1593		2633
1594	return if $self->map == $LINK_MAP;	2634	++$self->{_link_recursion};
		2635
		2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1595		2637
1596	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1598		2640
1599	$self->enter_map ($LINK_MAP, 20, 20);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1600	}	2642	}
1601		2643
1602	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1603	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1604		2648
1605	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1606		2650
1607	unless ($map) {	2651	unless ($map) {
1608	# restore original map position	2652	# restore original map position
…		…
1619	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1620	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1621		2665
1622	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1623	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1624	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1625		2669
1626	$map->load;	2670	$map->load;
		2671	$map->load_neighbours;
1627		2672
1628	return unless $self->contr->active;	2673	return unless $self->contr->active;
		2674
		2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2676	if ($self->enter_map ($map, $x, $y)) {
		2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
1629	$self->activate_recursive;	2680	$self->activate_recursive;
1630	$self->enter_map ($map, $x, $y);
1631	}
1632
1633	cf::player->attach (
1634	on_logout => sub {
1635	my ($pl) = @_;
1636
1637	# abort map switching before logout
1638	if ($pl->ob->{_link_pos}) {
1639	cf::sync_job {
1640	$pl->ob->leave_link
1641	};
1642	}
1643	},	2681	}
1644	on_login => sub {
1645	my ($pl) = @_;
1646		2682
1647	# try to abort aborted map switching on player login :)	2683	}
1648	# should happen only on crashes
1649	if ($pl->ob->{_link_pos}) {
1650	$pl->ob->enter_link;
1651	(async {
1652	# we need this sleep as the login has a concurrent enter_exit running
1653	# and this sleep increases chances of the player not ending up in scorn
1654	$pl->ob->reply (undef,
1655	"There was an internal problem at your last logout, "
1656	. "the server will try to bring you to your intended destination in a second.",
1657	cf::NDI_RED);
1658	Coro::Timer::sleep 1;
1659	$pl->ob->leave_link;
1660	})->prio (2);
1661	}
1662	},
1663	);
1664		2684
1665	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1666		2686
		2687	Moves the player to the given map-path and coordinates by first freezing
		2688	her, loading and preparing them map, calling the provided $check callback
		2689	that has to return the map if sucecssful, and then unfreezes the player on
		2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
1667	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1668		2699
1669	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1670	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
		2709	# do generation counting so two concurrent goto's will be executed in-order
		2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1671		2711
1672	$self->enter_link;	2712	$self->enter_link;
1673		2713
1674	(async {	2714	(async {
1675	$path = new cf::path $path;	2715	$Coro::current->{desc} = "player::goto $path $x $y";
1676		2716
1677	my $map = cf::map::find $path->as_string;	2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
		2736	my $map = eval {
		2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1678	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
1679		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
1680	# warn "entering ", $map->path, " at ($x, $y)\n"	2742	} else {
1681	# if $map;
1682
1683	$map or $map->cluck ("oy");#d#
1684	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2744	}
1685		2745
		2746	$map
		2747	};
		2748
		2749	if ($@) {
		2750	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2751	LOG llevError | logBacktrace, Carp::longmess $@;
		2752	}
		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1686	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1687	})->prio (1);	2760	})->prio (1);
1688	}	2761	}
1689		2762
1690	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1691		2764
…		…
1693		2766
1694	sub parse_random_map_params {	2767	sub parse_random_map_params {
1695	my ($spec) = @_;	2768	my ($spec) = @_;
1696		2769
1697	my $rmp = { # defaults	2770	my $rmp = { # defaults
1698	xsize => 10,	2771	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	2772	ysize => (cf::rndm 15, 40),
		2773	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2774	#layout => string,
1700	};	2775	};
1701		2776
1702	for (split /\n/, $spec) {	2777	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	2778	my ($k, $v) = split /\s+/, $_, 2;
1704		2779
…		…
1716	# that depends on the exit object	2791	# that depends on the exit object
1717		2792
1718	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
1719		2794
1720	if ($exit->map) {	2795	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	2796	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1725	}	2802	}
1726		2803
1727	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1728		2805
1729	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1730	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
		2808	my $meta = "$RANDOMDIR/$md5.meta";
1731		2809
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
		2812	undef $fh;
		2813	aio_rename "$meta~", $meta;
1734		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1735	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1737	}	2821	}
1738	}	2822	}
1739		2823
1740	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
…		…
1743	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1744		2828
1745	$self->enter_link;	2829	$self->enter_link;
1746		2830
1747	(async {	2831	(async {
1748	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1749	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
1750	prepare_random_map $exit	2841	prepare_random_map $exit
1751	if $exit->slaying eq "/!";	2842	if $exit->slaying eq "/!";
		2843	}
1752		2844
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
1755		2848
		2849	$self->goto ($map, $x, $y);
		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
1756	1;	2855	1
1757	}) {	2856	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1759	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	2859	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2861
1763	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1764	$self->leave_link;	2863	$self->leave_link;
1765	}	2864	}
1766	})->prio (1);	2865	})->prio (1);
1767	}	2866	}
1768		2867
…		…
1779		2878
1780	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
1782		2881
1783	utf8::encode $text;	2882	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2884	}
1786		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
		3073	=item $client->ext_msg ($type, @msg)
		3074
		3075	Sends an ext event to the client.
		3076
		3077	=cut
		3078
		3079	sub cf::client::ext_msg($$@) {
		3080	my ($self, $type, @msg) = @_;
		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
		3085	push @msg, msgtype => "event_$type";
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
		3106	}
1787		3107
1788	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
1789		3109
1790	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1792	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793		3113
1794	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
1795	reliable at some point in the future.	3115	become reliable at some point in the future.
1796		3116
1797	=cut	3117	=cut
1798		3118
1799	sub cf::client::query {	3119	sub cf::client::query {
1800	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
1808	utf8::encode $text;	3128	utf8::encode $text;
1809	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810		3130
1811	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
1812	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
1813	}	3135	}
1814		3136
1815	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
1816	on_reply => sub {	3143	on_reply => sub {
1817	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
1818		3145
1819	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
1820	# get handled first	3147	# get handled first
1821	my $queue = delete $ns->{query_queue}	3148	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	3149	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		3150
1824	(shift @$queue)->[1]->($msg);	3151	(shift @$queue)->[1]->($msg);
		3152	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		3153
1826	push @{ $ns->{query_queue} }, @$queue;	3154	push @{ $ns->{query_queue} }, @$queue;
1827		3155
1828	if (@{ $ns->{query_queue} } == @$queue) {	3156	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	3157	if (@$queue) {
…		…
1831	} else {	3159	} else {
1832	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833	}	3161	}
1834	}	3162	}
1835	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
1836	);	3190	);
1837		3191
1838	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
1839		3193
1840	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
1856		3210
1857	$coro	3211	$coro
1858	}	3212	}
1859		3213
1860	cf::client->attach (	3214	cf::client->attach (
1861	on_destroy => sub {	3215	on_client_destroy => sub {
1862	my ($ns) = @_;	3216	my ($ns) = @_;
1863		3217
1864	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1865	},	3219	},
1866	);	3220	);
…		…
1881	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
1882	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
1883		3237
1884	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
1885		3239
1886	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
1887		3245
1888	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
1889		3247
1890	=pod	3248	=pod
1891		3249
1892	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
1893		3251
1894	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
1895	cf::object::player player	3257	cf::object::player
1896	cf::player peaceful	3258	player
1897	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
1898		3265
1899	=cut	3266	=cut
1900		3267
1901	for (	3268	for (
1902	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
1903	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
1904	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
1905	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
1906	) {	3275	) {
1907	no strict 'refs';
1908	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
1909	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1910	for @funs;	3278	for @funs;
1911	}	3279	}
1912		3280
…		…
1927		3295
1928	my $qcode = $code;	3296	my $qcode = $code;
1929	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1930	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
1931		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
1932	local $_;	3303	local $_;
1933	local @safe::cf::_safe_eval_args = values %vars;
1934		3304
1935	my $eval =	3305	my $eval =
1936	"do {\n"	3306	"do {\n"
1937	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1938	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
1939	. $code	3309	. $code
1940	. "\n}"	3310	. "\n}"
1941	;	3311	;
1942		3312
		3313	if ($CFG{safe_eval}) {
1943	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
1944	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1945	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
1946		3322
1947	if ($@) {	3323	if ($@) {
1948	warn "$@";	3324	warn "$@",
1949	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
1950	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
1951	}	3327	}
1952		3328
1953	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
1954	}	3330	}
1955		3331
…		…
1969	=cut	3345	=cut
1970		3346
1971	sub register_script_function {	3347	sub register_script_function {
1972	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
1973		3349
1974	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
1975	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
1976	}	3352	}
1977		3353
1978	=back	3354	=back
1979		3355
1980	=cut	3356	=cut
1981		3357
1982	#############################################################################	3358	#############################################################################
		3359	# the server's init and main functions
1983		3360
1984	=head2 EXTENSION DATABASE SUPPORT	3361	sub load_facedata($) {
		3362	my ($path) = @_;
1985		3363
1986	Crossfire maintains a very simple database for extension use. It can	3364	# HACK to clear player env face cache, we need some signal framework
1987	currently store anything that can be serialised using Storable, which	3365	# for this (global event?)
1988	excludes objects.	3366	%ext::player_env::MUSIC_FACE_CACHE = ();
1989		3367
1990	The parameter C<$family> should best start with the name of the extension	3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1991	using it, it should be unique.
1992		3369
1993	=over 4	3370	trace "loading facedata from $path\n";
1994		3371
1995	=item $hashref = cf::db_get $family	3372	my $facedata;
		3373	0 < aio_load $path, $facedata
		3374	or die "$path: $!";
1996		3375
1997	Return a hashref for use by the extension C<$family>, which can be	3376	$facedata = Coro::Storable::thaw $facedata;
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000		3377
2001	=item $value = cf::db_get $family => $key	3378	$facedata->{version} == 2
		3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2002		3380
2003	Returns a single value from the database	3381	# patch in the exptable
2004		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2005	=item cf::db_put $family => $hashref	3383	$facedata->{resource}{"res/exp_table"} = {
2006		3384	type => FT_RSRC,
2007	Stores the given family hashref into the database. Updates are delayed, if	3385	data => $exp_table,
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3386	hash => (Digest::MD5::md5 $exp_table),
2009
2010	=item cf::db_put $family => $key => $value
2011
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022
2023	=cut
2024
2025	our $DB;
2026
2027	{
2028	my $path = cf::localdir . "/database.pst";
2029
2030	sub db_load() {
2031	$DB = stat $path ? Storable::retrieve $path : { };
2032	}
2033
2034	my $pid;
2035
2036	sub db_save() {
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});	3387	};
		3388	cf::cede_to_tick;
2056		3389
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}	3390	{
		3391	my $faces = $facedata->{faceinfo};
2061		3392
2062	sub db_get($;$) {	3393	while (my ($face, $info) = each %$faces) {
2063	@_ >= 2	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067		3395
2068	sub db_put($$;$) {	3396	cf::face::set_visibility $idx, $info->{visibility};
2069	if (@_ >= 3) {	3397	cf::face::set_magicmap $idx, $info->{magicmap};
2070	$DB->{$_[0]}{$_[1]} = $_[2];	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2071	} else {	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076		3400
2077	cf::global->attach (	3401	cf::cede_to_tick;
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	3402	}
2082	);
2083	}
2084		3403
2085	#############################################################################	3404	while (my ($face, $info) = each %$faces) {
2086	# the server's main()	3405	next unless $info->{smooth};
2087		3406
2088	sub cfg_load {	3407	my $idx = cf::face::find $face
		3408	or next;
		3409
		3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
		3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3413	} else {
		3414	error "smooth face '$info->{smooth}' not found for face '$face'";
		3415	}
		3416
		3417	cf::cede_to_tick;
		3418	}
		3419	}
		3420
		3421	{
		3422	my $anims = $facedata->{animinfo};
		3423
		3424	while (my ($anim, $info) = each %$anims) {
		3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3426	cf::cede_to_tick;
		3427	}
		3428
		3429	cf::anim::invalidate_all; # d'oh
		3430	}
		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
		3451	1
		3452	}
		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
		3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
		3477	load_resource_file "$MAPDIR/regions"
		3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
		3484	}
		3485
		3486	sub reload_facedata {
		3487	load_facedata "$DATADIR/facedata"
		3488	or die "unable to load facedata\n";
		3489	}
		3490
		3491	sub reload_archetypes {
		3492	load_resource_file "$DATADIR/archetypes"
		3493	or die "unable to load archetypes\n";
		3494	}
		3495
		3496	sub reload_treasures {
		3497	load_resource_file "$DATADIR/treasures"
		3498	or die "unable to load treasurelists\n";
		3499	}
		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
		3524	sub reload_resources {
		3525	trace "reloading resource files...\n";
		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
		3530	reload_regions;
		3531	reload_treasures;
		3532
		3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2089	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2090	or return;	3540	or return;
2091		3541
2092	local $/;	3542	local $/;
2093	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2094		3544
2095	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2096		3546
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		3549
2100	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2102	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	3554	};
2105	warn $@ if $@;	3555	warn $@ if $@;
2106	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2107	}	3587	}
2108		3588
2109	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2110	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2113	async { Event::one_event };	3602	(async {
		3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
		3605	})->prio (Coro::PRIO_MAX);
2114	};	3606	};
2115		3607
2116	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
2117	db_load;	3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
		3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2118	load_extensions;	3631	load_extensions;
2119	Event::loop;	3632
		3633	utime time, time, $RUNTIMEFILE;
		3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2120	}	3646	}
2121		3647
2122	#############################################################################	3648	#############################################################################
2123	# initialisation	3649	# initialisation and cleanup
2124		3650
		3651	# install some emergency cleanup handlers
		3652	BEGIN {
		3653	our %SIGWATCHER = ();
		3654	for my $signal (qw(INT HUP TERM)) {
		3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3656	cf::cleanup "SIG$signal";
		3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
		3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
		3747	}
		3748
		3749	sub emergency_save() {
		3750	my $freeze_guard = cf::freeze_mainloop;
		3751
		3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
		3758
		3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
		3762	# use a peculiar iteration method to avoid tripping on perl
		3763	# refcount bugs in for. also avoids problems with players
		3764	# and maps saved/destroyed asynchronously.
		3765	info "emergency_perl_save: begin player save\n";
		3766	for my $login (keys %cf::PLAYER) {
		3767	my $pl = $cf::PLAYER{$login} or next;
		3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3770	$pl->save;
		3771	}
		3772	info "emergency_perl_save: end player save\n";
		3773
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
		3777	for my $path (keys %cf::MAP) {
		3778	my $map = $cf::MAP{$path} or next;
		3779	$map->valid or next;
		3780	$map->save;
		3781	}
		3782	info "emergency_perl_save: end map save\n";
		3783
		3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
		3787	BDB::db_env_txn_checkpoint $DB_ENV;
		3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812	};
		3813
		3814	info "emergency_perl_save: leave\n";
		3815	}
		3816
		3817	sub post_cleanup {
		3818	my ($make_core) = @_;
		3819
		3820	IO::AIO::flush;
		3821
		3822	error Carp::longmess "post_cleanup backtrace"
		3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
		3852	}
		3853
2125	sub reload() {	3854	sub do_reload_perl() {
2126	# can/must only be called in main	3855	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2128	warn "can only reload from main coroutine\n";	3857	error "can only reload from main coroutine";
2129	return;	3858	return;
2130	}	3859	}
2131		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2132	warn "reloading...";	3866	info "reloading...";
2133		3867
2134	my $guard = freeze_mainloop;	3868	trace "entering sync_job";
		3869
		3870	cf::sync_job {
2135	cf::emergency_save;	3871	cf::emergency_save;
2136		3872
2137	eval {
2138	# if anything goes wrong in here, we should simply crash as we already saved
2139
2140	# cancel all watchers
2141	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}
2144
2145	# cancel all extension coros	3873	trace "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	3875	%EXT_CORO = ();
2148		3876
2149	# unload all extensions	3877	trace "removing commands";
2150	for (@exts) {	3878	%COMMAND = ();
2151	warn "unloading <$_>";
2152	unload_extension $_;
2153	}
2154		3879
2155	# unload all modules loaded from $LIBDIR	3880	trace "removing ext/exti commands";
2156	while (my ($k, $v) = each %INC) {	3881	%EXTCMD = ();
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3882	%EXTICMD = ();
2158		3883
2159	warn "removing <$k>";	3884	trace "unloading/nuking all extensions";
2160	delete $INC{$k};	3885	for my $pkg (@EXTS) {
		3886	trace "... unloading $pkg";
2161		3887
2162	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;
2164
2165	if (my $cb = $k->can ("unload_module")) {	3888	if (my $cb = $pkg->can ("unload")) {
		3889	eval {
2166	$cb->();	3890	$cb->($pkg);
		3891	1
		3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2167	}	3897	}
2168		3898
2169	Symbol::delete_package $k;	3899	trace "unloading all perl modules loaded from $LIBDIR";
		3900	while (my ($k, $v) = each %INC) {
		3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3902
		3903	trace "... unloading $k";
		3904	delete $INC{$k};
		3905
		3906	$k =~ s/\.pm$//;
		3907	$k =~ s/\//::/g;
		3908
		3909	if (my $cb = $k->can ("unload_module")) {
		3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2170	}	3914	}
2171		3915
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	3916	trace "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		3919
2180	# remove register_script_function callbacks	3920	trace "unloading cf.pm \"a bit\"";
2181	# TODO
2182
2183	# unload cf.pm "a bit"
2184	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2185		3923
2186	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2187	# and global variables created in xs	3925	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2189		3927
2190	# reload cf.pm	3928	info "unload completed, starting to reload now";
		3929
2191	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2192	require cf;	3931	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2194		3933
2195	# load config and database again	3934	trace "loading config and database again";
2196	cf::cfg_load;	3935	cf::reload_config;
2197	cf::db_load;
2198		3936
2199	# load extensions
2200	warn "load extensions";	3937	trace "loading extensions";
2201	cf::load_extensions;	3938	cf::load_extensions;
2202		3939
2203	# reattach attachments to objects	3940	if ($REATTACH_ON_RELOAD) {
2204	warn "reattach";	3941	trace "reattaching attachments to objects/players";
2205	_global_reattach;	3942	_global_reattach; # objects, sockets
		3943	trace "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
		3945	trace "reattaching attachments to players";
		3946	reattach $_ for values %PLAYER;
		3947	}
		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
		3952	trace "leaving sync_job";
		3953
		3954	1
		3955	} or do {
		3956	error $@;
		3957	cf::cleanup "error while reloading, exiting.";
		3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
		3962	}
		3963
		3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
		3966	};
		3967
		3968	our $RELOAD_WATCHER; # used only during reload
		3969
		3970	sub reload_perl() {
		3971	# doing reload synchronously and two reloads happen back-to-back,
		3972	# coro crashes during coro_state_free->destroy here.
		3973
		3974	$RELOAD_WATCHER ||= cf::async {
		3975	Coro::AIO::aio_wait cache_extensions;
		3976
		3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3978	do_reload_perl;
		3979	undef $RELOAD_WATCHER;
		3980	};
2207	};	3981	};
2208
2209	if ($@) {
2210	warn $@;
2211	warn "error while reloading, exiting.";
2212	exit 1;
2213	}
2214
2215	warn "reloaded successfully";
2216	};
2217
2218	#############################################################################
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	3982	}
2260
2261	register "<global>", __PACKAGE__;
2262		3983
2263	register_command "reload" => sub {	3984	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2265		3986
2266	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
		3991	reload_perl;
		3992	};
2270	}	3993	}
2271	};	3994	};
2272		3995
2273	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2274		3997
2275	$TICK_WATCHER = Event->timer (	3998	my $bug_warning = 0;
2276	reentrant => 0,	3999
2277	prio => 0,	4000	our @WAIT_FOR_TICK;
2278	at => $NEXT_TICK || $TICK,	4001	our @WAIT_FOR_TICK_BEGIN;
2279	data => WF_AUTOCANCEL,	4002
2280	cb => sub {	4003	sub wait_for_tick {
		4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4005
		4006	my $signal = new Coro::Signal;
		4007	push @WAIT_FOR_TICK, $signal;
		4008	$signal->wait;
		4009	}
		4010
		4011	sub wait_for_tick_begin {
		4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4013
		4014	my $signal = new Coro::Signal;
		4015	push @WAIT_FOR_TICK_BEGIN, $signal;
		4016	$signal->wait;
		4017	}
		4018
		4019	sub tick {
		4020	if ($Coro::current != $Coro::main) {
		4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4022	unless ++$bug_warning > 10;
		4023	return;
		4024	}
		4025
2281	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;
2284		4027
2285	# if we are delayed by four ticks or more, skip them all	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		4029
2288	$TICK_WATCHER->at ($NEXT_TICK);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2289	$TICK_WATCHER->start;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2290	},	4032	Coro::async_pool {
2291	);	4033	$Coro::current->{desc} = "runtime saver";
2292
2293	IO::AIO::max_poll_time $TICK * 0.2;
2294
2295	Event->io (
2296	fd => IO::AIO::poll_fileno,
2297	poll => 'r',
2298	prio => 5,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,
2305	after => 0,
2306	interval => 10,
2307	cb => sub {
2308	(Coro::unblock_sub {
2309	write_runtime	4034	write_runtime_sync
2310	or warn "ERROR: unable to write runtime file: $!";	4035	or error "ERROR: unable to write runtime file: $!";
2311	})->();	4036	};
2312	},	4037	}
2313	);	4038
		4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4040	$sig->send;
		4041	}
		4042	while (my $sig = shift @WAIT_FOR_TICK) {
		4043	$sig->send;
		4044	}
		4045
		4046	$LOAD = ($NOW - $TICK_START) / $TICK;
		4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4048
		4049	if (0) {
		4050	if ($NEXT_TICK) {
		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
		4055	}
		4056	}
		4057
		4058	{
		4059	# configure BDB
		4060
		4061	BDB::min_parallel 16;
		4062	BDB::max_poll_reqs $TICK * 0.1;
		4063	$AnyEvent::BDB::WATCHER->priority (1);
		4064
		4065	unless ($DB_ENV) {
		4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4072
		4073	cf::sync_job {
		4074	eval {
		4075	BDB::db_env_open
		4076	$DB_ENV,
		4077	$BDBDIR,
		4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4080	0666;
		4081
		4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4083	};
		4084
		4085	cf::cleanup "db_env_open(db): $@" if $@;
		4086	};
		4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
		4098	}
		4099
		4100	{
		4101	# configure IO::AIO
		4102
		4103	IO::AIO::min_parallel 8;
		4104	IO::AIO::max_poll_time $TICK * 0.1;
		4105	undef $AnyEvent::AIO::WATCHER;
		4106	}
		4107
		4108	my $_log_backtrace;
		4109
		4110	sub _log_backtrace {
		4111	my ($msg, @addr) = @_;
		4112
		4113	$msg =~ s/\n//;
		4114
		4115	# limit the # of concurrent backtraces
		4116	if ($_log_backtrace < 2) {
		4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
		4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
		4122	my @bt = fork_call {
		4123	@addr = map { sprintf "%x", $_ } @addr;
		4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4126	or die "addr2line: $!";
		4127
		4128	my @funcs;
		4129	my @res = <$fh>;
		4130	chomp for @res;
		4131	while (@res) {
		4132	my ($func, $line) = splice @res, 0, 2, ();
		4133	push @funcs, "[$func] $line";
		4134	}
		4135
		4136	@funcs
		4137	};
		4138
		4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4141	LOG llevInfo, "[ABT] $_\n" for @bt;
		4142	--$_log_backtrace;
		4143	};
		4144	} else {
		4145	LOG llevInfo, "[ABT] $msg\n";
		4146	LOG llevInfo, "[ABT] [suppressed]\n";
		4147	}
		4148	}
		4149
		4150	# load additional modules
		4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
2314		4153
2315	END { cf::emergency_save }	4154	END { cf::emergency_save }
2316		4155
2317	1	4156	1
2318		4157

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