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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 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
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		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" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		80
36	our %COMMAND = ();	81	our %COMMAND = ();
37	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
38		83
39	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
		88	our %EXT_MAP = (); # pluggable maps
42		89
		90	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	91	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
45		94
46	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
47	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
48	our $NEXT_TICK;	119	our $NEXT_TICK;
49	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);
50		128
51	our %CFG;	129	our %CFG;
52		130
53	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
55		134
56	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	137	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		138
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	139	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $REALLY_UNLOOP; # never set to true, please :)
63		151
64	binmode STDOUT;	152	binmode STDOUT;
65	binmode STDERR;	153	binmode STDERR;
66		154
67	# read virtual server time, if available	155	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
72	}	160	}
73		161
74	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		163
80	# a special map that is always available	164	mkdir $_
81	our $LINK_MAP;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		166
82	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::"} };
83		185
84	#############################################################################	186	#############################################################################
85		187
86	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
87		189
…		…
94	=item $cf::RUNTIME	196	=item $cf::RUNTIME
95		197
96	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
97	every server tick.	199	every server tick.
98		200
99	=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
100		204
101	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		209
104	=item $cf::NOW	210	=item $cf::NOW
105		211
106	The time of the last (current) server tick.	212	The time of the last (current) server tick.
107		213
108	=item $cf::TICK	214	=item $cf::TICK
109		215
110	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
111		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
112	=item %cf::CFG	228	=item %cf::CFG
113		229
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	231	from wherever your confdir points to.
116		232
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		234
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	236	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	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.
123		250
124	=back	251	=back
125		252
126	=cut	253	=cut
127		254
128	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
129	*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 {
130	my $msg = join "", @_;	262	my $msg = join "", @_;
131	utf8::encode $msg;
132		263
133	$msg .= "\n"	264	$msg .= "\n"
134	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
135		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
136	LOG llevError, $msg;	269	LOG llevWarn, $msg;
137	};	270	};
138	}	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	};
139		285
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		293
147	# 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
148	# within the Safe compartment.	295	# within the Safe compartment.
149	for my $pkg (qw(	296	for my $pkg (qw(
150	cf::global cf::attachable	297	cf::global cf::attachable
151	cf::object cf::object::player	298	cf::object cf::object::player
152	cf::client cf::player	299	cf::client cf::player
153	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
154	cf::map cf::party cf::region	302	cf::party cf::region
155	)) {	303	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	305	}
159		306
160	$Event::DIED = sub {	307	$EV::DIED = sub {
161	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
162	};	309	};
		310
		311	#############################################################################
163		312
164	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
165		314
166	=over 4	315	=over 4
167		316
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	336	$d
188	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
189	}	338	}
190		339
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
194		341
195	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
196		343
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
205		345
206	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
207		347
208	=cut	348	=cut
209		349
210	sub to_json($) {	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	351
212	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;
213	}	367	}
214		368
215	=item cf::lock_wait $string	369	=item cf::lock_wait $string
216		370
217	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
218		372
219	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
220		374
221	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
222	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,
223	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
224	returned.	378	returned.
225		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
226	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
227	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
228		385
229	=cut	386	=item $locked = cf::lock_active $string
230		387
231	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
232		393
233	sub lock_wait($) {	394	sub lock_wait($) {
234	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	396	}
242		397
243	sub lock_acquire($) {	398	sub lock_acquire($) {
244	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
245		401
246	# wait, to be sure we are not locked	402	sub lock_active($) {
247	lock_wait $key;	403	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	404	}
256		405
257	sub freeze_mainloop {	406	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
259		408
260	my $guard = Coro::guard { $TICK_WATCHER->start };	409	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	410	}
262	$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	$sig->wait;
263	}	492	}
264		493
265	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
266		495
267	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		501
273	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
274		503
275	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
276		505
277	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
280		510
281	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
284	fast or be very important.	514	fast or be very important.
…		…
286	=cut	516	=cut
287		517
288	sub sync_job(&) {	518	sub sync_job(&) {
289	my ($job) = @_;	519	my ($job) = @_;
290		520
291	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
292	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
294		526
295	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	528
297	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
298		530
299	my $busy = 1;	531	my $busy = 1;
300	my @res;	532	my @res;
301		533
302	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	536	@res = eval { $job->() };
304	warn $@ if $@;	537	error $@ if $@;
305	undef $busy;	538	undef $busy;
306	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
307		540
308	while ($busy) {	541	while ($busy) {
309	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
310	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
311		552
312	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
313	} else {	554	} else {
314	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
315		556
…		…
335	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
336		577
337	$coro	578	$coro
338	}	579	}
339		580
340	sub write_runtime {	581	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		582
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	583	Executes the given code block with the given arguments in a seperate
344	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.
345		587
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	588	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		589
350	aio_fsync $fh	590	sub fork_call(&@) {
351	and return;	591	my ($cb, @args) = @_;
352		592
353	close $fh	593	# we seemingly have to make a local copy of the whole thing,
354	or return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
355		596
356	aio_rename "$runtime~", $runtime	597	my @res = Coro::Util::fork_eval {
357	and return;	598	reset_signals;
		599	&$cb
		600	}, @args;
358		601
		602	wantarray ? @res : $res[-1]
		603	}
		604
		605	sub objinfo {
359	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 });
360	}	781	}
361		782
362	=back	783	=back
363		784
364	=cut	785	=cut
365		786
366	#############################################################################	787	#############################################################################
367		788
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
496		790
497	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
498	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")
499	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
500		794
501	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>
502	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
503	crossfire+).	797	Deliantra).
504		798
505	=over 4	799	=over 4
506		800
507	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
508		802
…		…
552	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
553		847
554	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
556		850
557	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
558	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.
559		853
560	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
561		855
562	=over 4	856	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	916	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	917	our @CB_MAP = ();
624		918
625	my %attachment;	919	my %attachment;
626		920
		921	sub cf::attachable::thawer_merge {
		922	# simply override everything except _meta
		923	local $_[0]{_meta};
		924	%{$_[0]} = %{$_[1]};
		925	}
		926
627	sub _attach_cb($$$$) {	927	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	928	my ($registry, $event, $prio, $cb) = @_;
629		929
630	use sort 'stable';	930	use sort 'stable';
631		931
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
666		966
667	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		971
672	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	973	my $pkg = shift @arg;
674		974
675	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
680		980
681	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
682	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
683		983
684	} elsif (ref $type) {	984	} elsif (ref $type) {
685	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
686		986
687	} else {	987	} else {
688	shift @arg;	988	shift @arg;
689	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
690	}	990	}
691	}	991	}
692	}	992	}
693		993
694	sub _object_attach {	994	sub _object_attach {
…		…
704	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
705	}	1005	}
706		1006
707	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
708	} else {	1008	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
710	}	1010	}
711		1011
712	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
713	}	1013	}
714		1014
…		…
716	if (ref $_[0]) {	1016	if (ref $_[0]) {
717	_object_attach @_;	1017	_object_attach @_;
718	} else {	1018	} else {
719	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
720	}	1020	}
		1021	_recalc_want;
721	};	1022	};
722		1023
723	# all those should be optimised	1024	# all those should be optimised
724	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
729	reattach ($obj);	1030	reattach ($obj);
730	} else {	1031	} else {
731	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
732	}	1033	}
		1034	_recalc_want;
733	};	1035	};
734		1036
735	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
737		1039
…		…
752	";	1054	";
753	die if $@;	1055	die if $@;
754	}	1056	}
755		1057
756	our $override;	1058	our $override;
757	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?
758		1060
759	sub override {	1061	sub override {
760	$override = 1;	1062	$override = 1;
761	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
762	}	1064	}
763		1065
764	sub do_invoke {	1066	sub do_invoke {
765	my $event = shift;	1067	my $event = shift;
766	my $callbacks = shift;	1068	my $callbacks = shift;
767		1069
768	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
769		1071
770	local $override;	1072	local $override;
771		1073
772	for (@$callbacks) {	1074	for (@$callbacks) {
773	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
774		1076
775	if ($@) {	1077	if ($@) {
776	warn "$@";
777	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
778	override;	1079	override;
779	}	1080	}
780		1081
781	return 1 if $override;	1082	return 1 if $override;
782	}	1083	}
783		1084
784	0	1085	0
785	}	1086	}
786		1087
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1089
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1091
791	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
792		1093
793	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
794	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
795	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1097
797	=back	1098	=back
798		1099
799	=cut	1100	=cut
800		1101
801	#############################################################################	1102	#############################################################################
802	# 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	}
803		1146
804	sub reattach {	1147	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
806	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
807		1153
808	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
809		1155
810	@$registry = ();	1156	@$registry = ();
811		1157
…		…
816	for (@$attach) {	1162	for (@$attach) {
817	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
818	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
819	}	1165	}
820	} else {	1166	} else {
821	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
822	}	1168	}
823	}	1169	}
824	}	1170	}
825		1171
826	cf::attachable->attach (	1172	cf::attachable->attach (
827	prio => -1000000,	1173	prio => -1000000,
828	on_instantiate => sub {	1174	on_instantiate => sub {
829	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
830		1176
831	$data = from_json $data;	1177	$data = decode_json $data;
832		1178
833	for (@$data) {	1179	for (@$data) {
834	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
835		1181
836	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1198	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
854		1200
855	sync_job {	1201	sync_job {
856	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
859		1207
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$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;
863	aio_fsync $fh;	1213	aio_fsync $fh;
		1214	}
864	close $fh;	1215	aio_close $fh;
865		1216
866	if (@$objs) {	1217	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	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;
871	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
872	close $fh;	1226	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
874	}	1228	}
875	} else {	1229	} else {
876	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
877	}	1231	}
878		1232
879	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1237	} else {
881	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
882	}	1239	}
883	} else {	1240	} else {
884	aio_unlink $filename;	1241	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
886	}	1243	}
887	}	1244	};
888	}	1245	}
889		1246
890	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
892		1249
…		…
904	or return;	1261	or return;
905		1262
906	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
908	or return;	1265	or return;
		1266
909	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
910	}	1269	}
911		1270
		1271	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
914	return ($data, $av);	1276	($data, $av)
915	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
916		1284
917	#############################################################################	1285	#############################################################################
918	# command handling &c	1286	# command handling &c
919		1287
920	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1302	}
935		1303
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1305
938	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.
939		1311
940	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
941	called.	1313	called.
942		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
943	=cut	1326	=cut
944		1327
945	sub register_extcmd {	1328	sub register_extcmd {
946	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
947		1330
948	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
949	}	1332	}
950		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
951	cf::player->attach (	1342	cf::player->attach (
952	on_command => sub {	1343	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
954		1345
955	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
956	or return;	1347	or return;
957		1348
…		…
962	cf::override;	1353	cf::override;
963	},	1354	},
964	on_extcmd => sub {	1355	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
966		1357
967	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1359
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
975	} else {	1375	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1377	}
978		1378
979	cf::override;	1379	cf::override;
980	},	1380	},
981	);	1381	);
982		1382
		1383	# "readahead" all extensions
983	sub load_extension {	1384	sub cache_extensions {
984	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
985		1386
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1390	}
990	$pkg = "ext::$pkg";	1391	};
991		1392
992	warn "... loading '$path' into '$pkg'\n";	1393	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1394	}
1009		1395
1010	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
1011	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1403	next unless -r $path;
1013	eval {	1404
1014	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	}
1015	1	1469	}
1016	} 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	}
1017	}	1480	};
1018	}	1481	}
1019		1482
1020	#############################################################################	1483	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1484
1023	*cf::mapsupport::on_clean = sub {	1485	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1486
1036	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1037		1488
1038	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1039		1490
1040	=cut	1491	=cut
1041		1492
1042	package cf::player;	1493	package cf::player;
1043		1494
…		…
1045		1496
1046	=head3 cf::player	1497	=head3 cf::player
1047		1498
1048	=over 4	1499	=over 4
1049		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
1050	=item cf::player::find $login	1515	=item cf::player::find $login
1051		1516
1052	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1053		1518
1054	=cut	1519	=cut
1055		1520
1056	sub playerdir($) {	1521	sub playerdir($) {
1057	cf::localdir	1522	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1524	}
1063		1525
1064	sub path($) {	1526	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1528
1067	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
1068	}	1530	}
1069		1531
1070	sub find_active($) {	1532	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
1075		1537
1076	sub exists($) {	1538	sub exists($) {
1077	my ($login) = @_;	1539	my ($login) = @_;
1078		1540
1079	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1542	or !aio_stat path $login
1081	}	1543	}
1082		1544
1083	sub find($) {	1545	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1547	my $login = $_[0];
1086		1548
1087	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
1088		1550
1089	$cf::PLAYER{$_[0]} || do {	1551	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	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
1091	or return;	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;
1092	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1093	}	1568	}
1094	}	1569	}
1095	}	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	);
1096		1584
1097	sub save($) {	1585	sub save($) {
1098	my ($pl) = @_;	1586	my ($pl) = @_;
1099		1587
1100	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1105	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1106		1594
1107	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1109		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
1110	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1111	Coro::cede;	1604	cf::cede_to_tick;
1112	}	1605	}
1113		1606
1114	sub new($) {	1607	sub new($) {
1115	my ($login) = @_;	1608	my ($login) = @_;
1116		1609
…		…
1122	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1123		1616
1124	$self	1617	$self
1125	}	1618	}
1126		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
1127	=item $pl->quit_character	1630	=item $pl->quit_character
1128		1631
1129	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1131		1634
1132	=cut	1635	=cut
1133		1636
1134	sub quit_character {	1637	sub quit_character {
1135	my ($pl) = @_;	1638	my ($pl) = @_;
1136		1639
		1640	my $name = $pl->ob->name;
		1641
1137	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1138	$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
1139		1644
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1144		1650
1145	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1653	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1654	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	IO::AIO::aio_rmtree $temp;	1662	IO::AIO::aio_rmtree $temp;
		1663	}
		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;
1151	}	1677	}
1152		1678
1153	=item cf::player::list_logins	1679	=item cf::player::list_logins
1154		1680
1155	Returns am arrayref of all valid playernames in the system, can take a	1681	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1157		1683
1158	=cut	1684	=cut
1159		1685
1160	sub list_logins {	1686	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1688	or return [];
1163		1689
1164	my @logins;	1690	my @logins;
1165		1691
1166	for my $login (@$dirs) {	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") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1170		1702
1171	utf8::decode $login;	1703	utf8::decode $login;
1172	push @logins, $login;	1704	push @logins, $login;
1173	}	1705	}
1174		1706
1175	\@logins	1707	\@logins
1176	}	1708	}
1177		1709
1178	=item $player->maps	1710	=item $player->maps
1179		1711
		1712	=item cf::player::maps $login
		1713
1180	Returns an arrayref of cf::path's of all maps that are private for this	1714	Returns an arrayref of map paths that are private for this
1181	player. May block.	1715	player. May block.
1182		1716
1183	=cut	1717	=cut
1184		1718
1185	sub maps($) {	1719	sub maps($) {
1186	my ($pl) = @_;	1720	my ($pl) = @_;
		1721
		1722	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1723
1188	my $files = aio_readdir playerdir $pl	1724	my $files = aio_readdir playerdir $pl
1189	or return;	1725	or return;
1190		1726
1191	my @paths;	1727	my @paths;
…		…
1193	for (@$files) {	1729	for (@$files) {
1194	utf8::decode $_;	1730	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1731	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1732	next unless /^$PATH_SEP/o;
1197		1733
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1734	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1735	}
1200		1736
1201	\@paths	1737	\@paths
1202	}	1738	}
1203		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1205		1745
1206	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1207		1747
1208	=cut	1748	=cut
1209		1749
1210	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1212		1752
1213	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1754	}
1217		1755
1218	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		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	}
1219		1798
1220	=back	1799	=back
1221
1222		1800
1223	=head3 cf::map	1801	=head3 cf::map
1224		1802
1225	=over 4	1803	=over 4
1226		1804
…		…
1229	package cf::map;	1807	package cf::map;
1230		1808
1231	use Fcntl;	1809	use Fcntl;
1232	use Coro::AIO;	1810	use Coro::AIO;
1233		1811
		1812	use overload
		1813	'""' => \&as_string,
		1814	fallback => 1;
		1815
1234	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1236		1818
1237	sub generate_random_map {	1819	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1823
1240	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1825	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1833	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$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},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1835	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1836	(cf::region::find $rmp->{region}), $rmp->{custom}
		1837	)
1254	}	1838	}
1255		1839
1256	# and all this just because we cannot iterate over	1840	=item cf::map->register ($regex, $prio)
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;
1260		1841
1261	$_->change_map_light ($change)	1842	Register a handler for the map path matching the given regex at the
1262	for grep $_->outdoor, values %cf::MAP;	1843	givne priority (higher is better, built-in handlers have priority 0, the
1263	}	1844	default).
1264		1845
1265	sub try_load_header($) {	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 {
1266	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) = @_;
1267		1984
1268	utf8::encode $path;	1985	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1270	or return;	1987	or return;
1271		1988
1272	my $map = cf::map::new	1989	$self->_load_header ($f)
1273	or return;	1990	or return;
1274		1991
1275	# for better error messages only, will be overwritten	1992	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1993	$f->resolve_delayed_derefs;
1277		1994
1278	$map->load_header ($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
1279	or return;	2038	or return;
		2039	$self->prepare_orig;
		2040	}
1280		2041
1281	$map->{load_path} = $path;	2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
1282		2044
1283	$map	2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
		2048	1
1284	}	2049	}
1285		2050
1286	sub find;	2051	sub find;
1287	sub find {	2052	sub find {
1288	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1289		2054
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		2056
1295	cf::lock_wait "map_find:$key";	2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1299		2059
1300	# do it the slow way	2060	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	2061	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	2062	or return;
1319		2063
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1332		2065
1333	Coro::cede;	2066	$map->load_header
		2067	or return;
1334		2068
1335	if ($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;
1336	$map->reset;	2074	$map->reset;
1337	undef $guard;
1338	$map = find $path	2075	return find $path;
1339	or return;
1340	}	2076	}
1341		2077
1342	$cf::MAP{$key} = $map	2078	$cf::MAP{$path} = $map
1343	}	2079	}
1344	}	2080	}
		2081
		2082	sub pre_load { }
		2083	#sub post_load { } # XS
1345		2084
1346	sub load {	2085	sub load {
1347	my ($self) = @_;	2086	my ($self) = @_;
1348		2087
		2088	local $self->{deny_reset} = 1; # loading can take a long time
		2089
1349	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2093	my $guard = cf::lock_acquire "map_data:$path";
1351		2094
		2095	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2097
1354	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1355		2099
1356	$self->alloc;	2100	$self->alloc;
1357	$self->load_objects ($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)
1358	or return;	2108	or return;
1359		2109
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1361	if delete $self->{load_original};	2111	if delete $self->{load_original};
1362		2112
1363	if (my $uniq = $path->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2114	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2117	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1368	}	2121	}
1369	}	2122	}
1370		2123
1371	Coro::cede;	2124	$f->resolve_delayed_derefs;
1372		2125
		2126	cf::cede_to_tick;
1373	# now do the right thing for maps	2127	# now do the right thing for maps
1374	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1385	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;
1386	$self->activate;	2138	$self->activate;
1387	}	2139	}
1388		2140
1389	Coro::cede;	2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
1390		2143
1391	$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	$self
1392	}	2163	}
1393		2164
1394	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2166	sub load_neighbours {
1396	my ($map) = @_;	2167	my ($map) = @_;
1397		2168
1398	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1399		2170
1400	for (0 .. 3) {	2171	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1402	or next;	2173	or next;
1403	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1404	or next;	2175	or next;
1405	$neigh->load;	2176	$neigh->load;
1406		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2182	}
1410		2183
1411	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1413	or next;	2187	or next;
1414	$neigh->load;	2188	$neigh->load;
1415	}	2189	}
1416	}	2190	}
1417		2191
1418	sub find_sync {	2192	sub find_sync {
1419	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1420		2194
1421	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1422	}	2199	}
1423		2200
1424	sub do_load_sync {	2201	sub do_load_sync {
1425	my ($map) = @_;	2202	my ($map) = @_;
1426		2203
1427	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;
1428	}	2208	}
1429		2209
1430	our %MAP_PREFETCH;	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
1431	our $MAP_PREFETCHER = Coro::async {	2224	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2225	$Coro::current->{desc} = "map prefetcher";
		2226
1433	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2229	if (my $map = find $k) {
		2230	$map->load if $v;
		2231	}
		2232
1436	my $path = delete $MAP_PREFETCH{$key};	2233	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2234	}
1442	Coro::schedule;	2235	}
		2236	undef $MAP_PREFETCHER;
1443	}	2237	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2238	$MAP_PREFETCHER->prio (6);
1458		2239
1459	()	2240	()
		2241	}
		2242
		2243	# common code, used by both ->save and ->swapout
		2244	sub _save {
		2245	my ($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	}
1460	}	2273	}
1461		2274
1462	sub save {	2275	sub save {
1463	my ($self) = @_;	2276	my ($self) = @_;
1464		2277
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2279
1467	$self->{last_save} = $cf::RUNTIME;	2280	$self->_save;
1468
1469	return unless $self->dirty;
1470
1471	my $save = $self->{path}->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1473
1474	$self->{load_path} = $save;
1475
1476	return if $self->{deny_save};
1477
1478	local $self->{last_access} = $self->last_access;#d#
1479
1480	cf::async {
1481	$_->contr->save for $self->players;
1482	};
1483
1484	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}
1490	}	2281	}
1491		2282
1492	sub swap_out {	2283	sub swap_out {
1493	my ($self) = @_;	2284	my ($self) = @_;
1494		2285
1495	# save first because save cedes
1496	$self->save;
1497
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1500	return if $self->players;	2290	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};
1503		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
1504	$self->clear;	2301	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2302	}
1507		2303
1508	sub reset_at {	2304	sub reset_at {
1509	my ($self) = @_;	2305	my ($self) = @_;
1510		2306
1511	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1514		2309
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2312
…		…
1522	my ($self) = @_;	2317	my ($self) = @_;
1523		2318
1524	$self->reset_at <= $cf::RUNTIME	2319	$self->reset_at <= $cf::RUNTIME
1525	}	2320	}
1526		2321
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2322	sub reset {
1549	my ($self) = @_;	2323	my ($self) = @_;
1550		2324
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2326
1553	return if $self->players;	2327	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2328
1556	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	}
1557		2340
1558	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1559		2342
		2343	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2344	$_->clear_links_to ($self) for values %cf::MAP;
		2345	$self->clear;
1561		2346
1562	$self->unlink_save;	2347	$self->unlink_save;
1563	$self->destroy;	2348	$self->destroy;
1564	}	2349	}
1565		2350
1566	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1567		2352
1568	sub nuke {	2353	sub nuke {
1569	my ($self) = @_;	2354	my ($self) = @_;
1570		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};
1571	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2368
		2369	$cf::MAP{$self->path} = $self;
		2370	}
		2371
1574	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
1575	}	2373	}
1576		2374
1577	sub customise_for {	2375	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2376
1580	if ($map->per_player) {	2377	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
1582	}	2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
1583		2392
1584	$map	2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1585	}	2409	}
1586		2410
1587	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1588		2412
1589	Returns an arrayref of cf::path's of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2414	instantiated unique items. May block.
1591		2415
1592	=cut	2416	=cut
1593		2417
1594	sub unique_maps() {	2418	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1596	or return;	2420	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2421	utf8::decode $_;
1602	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2424	? ()
1605	push @paths, new cf::path $_;	2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2427	]
1607
1608	\@paths
1609	}	2428	}
1610		2429
1611	package cf;	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;
		2457	}
		2458
		2459	\@maps
		2460	}
1612		2461
1613	=back	2462	=back
1614		2463
1615	=head3 cf::object	2464	=head3 cf::object
1616		2465
…		…
1620		2469
1621	=over 4	2470	=over 4
1622		2471
1623	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1624		2473
1625	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1626		2476
1627	=cut	2477	=cut
1628		2478
1629	sub inv_recursive_;	2479	sub inv_recursive_;
1630	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1633		2483
1634	sub inv_recursive {	2484	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1636	}	2486	}
1637		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	}
		2514	}
		2515
1638	package cf;	2516	package cf;
1639		2517
1640	=back	2518	=back
1641		2519
1642	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1648	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>
1649	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
1650	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1651		2529
1652	=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	};
1653		2545
1654	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2547	# with dialog boxes.
1656	#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
1657	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1659		2551
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2553
1662	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1664	} 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 {
1665	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1667	}	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 (@_);
1668	}	2579	}
1669		2580
1670	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1671		2582
1672	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1685		2596
1686	=item $player_object->enter_link	2597	=item $player_object->enter_link
1687		2598
1688	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}>).
1689		2600
1690	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.
1691	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.
1692		2607
1693	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1694		2609
1695	Moves the player out of the specila link map onto the given map. If the	2610	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2611	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2612	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2613	fails, to the emergency map position.
1699		2614
1700	Might block.	2615	Might block.
1701		2616
1702	=cut	2617	=cut
		2618
		2619	sub link_map {
		2620	unless ($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	$LINK_MAP
		2627	}
1703		2628
1704	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2630	my ($self) = @_;
1706		2631
1707	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1708		2633
1709	return if $self->map == $LINK_MAP;	2634	++$self->{_link_recursion};
		2635
		2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2637
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1713		2640
1714	$self->enter_map ($LINK_MAP, 20, 20);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1715	}	2642	}
1716		2643
1717	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1719		2648
1720	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1721		2650
1722	unless ($map) {	2651	unless ($map) {
1723	# restore original map position	2652	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1736		2665
1737	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1740		2669
1741	$map->load;	2670	$map->load;
1742	$map->load_diag;	2671	$map->load_neighbours;
1743		2672
1744	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
1745	$self->activate_recursive;	2680	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}
1748
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},	2681	}
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2682
1763	# try to abort aborted map switching on player login :)	2683	}
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2684
1781	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1782		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
1783	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1784		2699
1785	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2702
1788	$path = new cf::path $path;	2703	if ($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;
1789		2711
1790	$self->enter_link;	2712	$self->enter_link;
1791		2713
1792	(async {	2714	(async {
1793	my $map = cf::map::find $path->as_string;	2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($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) {
1794	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
1795		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2742	} else {
1797	# if $map;
1798
1799	$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	}
1800		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};
1801	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1802	})->prio (1);	2760	})->prio (1);
1803	}	2761	}
1804		2762
1805	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1806		2764
…		…
1808		2766
1809	sub parse_random_map_params {	2767	sub parse_random_map_params {
1810	my ($spec) = @_;	2768	my ($spec) = @_;
1811		2769
1812	my $rmp = { # defaults	2770	my $rmp = { # defaults
1813	xsize => 10,	2771	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2772	ysize => (cf::rndm 15, 40),
		2773	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2774	#layout => string,
1815	};	2775	};
1816		2776
1817	for (split /\n/, $spec) {	2777	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2778	my ($k, $v) = split /\s+/, $_, 2;
1819		2779
…		…
1831	# that depends on the exit object	2791	# that depends on the exit object
1832		2792
1833	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
1834		2794
1835	if ($exit->map) {	2795	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2796	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1840	}	2802	}
1841		2803
1842	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1843		2805
1844	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
		2808	my $meta = "$RANDOMDIR/$md5.meta";
1846		2809
1847	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) {
1848	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;
1849		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1852	}	2821	}
1853	}	2822	}
1854		2823
1855	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1859		2828
1860	$self->enter_link;	2829	$self->enter_link;
1861		2830
1862	(async {	2831	(async {
1863	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1864	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
1865	prepare_random_map $exit	2841	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2842	if $exit->slaying eq "/!";
		2843	}
1867		2844
1868	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;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
1870		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
1871	1;	2855	1
1872	}) {	2856	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "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. "
1875	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2861
1878	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1879	$self->leave_link;	2863	$self->leave_link;
1880	}	2864	}
1881	})->prio (1);	2865	})->prio (1);
1882	}	2866	}
1883		2867
…		…
1894		2878
1895	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
1897		2881
1898	utf8::encode $text;	2882	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2884	}
1901		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	}
1902		3107
1903	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
1904		3109
1905	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
1906	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>,
1907	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>.
1908		3113
1909	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
1910	reliable at some point in the future.	3115	become reliable at some point in the future.
1911		3116
1912	=cut	3117	=cut
1913		3118
1914	sub cf::client::query {	3119	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	3128	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		3130
1926	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
1928	}	3135	}
1929		3136
1930	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
1931	on_reply => sub {	3143	on_reply => sub {
1932	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
1933		3145
1934	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
1935	# get handled first	3147	# get handled first
1936	my $queue = delete $ns->{query_queue}	3148	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3149	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3150
1939	(shift @$queue)->[1]->($msg);	3151	(shift @$queue)->[1]->($msg);
		3152	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3153
1941	push @{ $ns->{query_queue} }, @$queue;	3154	push @{ $ns->{query_queue} }, @$queue;
1942		3155
1943	if (@{ $ns->{query_queue} } == @$queue) {	3156	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3157	if (@$queue) {
…		…
1946	} else {	3159	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3161	}
1949	}	3162	}
1950	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($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	},
1951	);	3190	);
1952		3191
1953	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
1954		3193
1955	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
1971		3210
1972	$coro	3211	$coro
1973	}	3212	}
1974		3213
1975	cf::client->attach (	3214	cf::client->attach (
1976	on_destroy => sub {	3215	on_client_destroy => sub {
1977	my ($ns) = @_;	3216	my ($ns) = @_;
1978		3217
1979	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1980	},	3219	},
1981	);	3220	);
…		…
1996	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
1998		3237
1999	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2000		3239
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2002		3245
2003	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2004		3247
2005	=pod	3248	=pod
2006		3249
2007	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2008		3251
2009	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2010	cf::object::player player	3257	cf::object::player
2011	cf::player peaceful	3258	player
2012	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2013		3265
2014	=cut	3266	=cut
2015		3267
2016	for (	3268	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2021	) {	3275	) {
2022	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2025	for @funs;	3278	for @funs;
2026	}	3279	}
2027		3280
…		…
2042		3295
2043	my $qcode = $code;	3296	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2046		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2047	local $_;	3303	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;
2049		3304
2050	my $eval =	3305	my $eval =
2051	"do {\n"	3306	"do {\n"
2052	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2053	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2054	. $code	3309	. $code
2055	. "\n}"	3310	. "\n}"
2056	;	3311	;
2057		3312
		3313	if ($CFG{safe_eval}) {
2058	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2059	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2060	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2061		3322
2062	if ($@) {	3323	if ($@) {
2063	warn "$@";	3324	warn "$@",
2064	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2065	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2066	}	3327	}
2067		3328
2068	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2069	}	3330	}
2070		3331
…		…
2084	=cut	3345	=cut
2085		3346
2086	sub register_script_function {	3347	sub register_script_function {
2087	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2088		3349
2089	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2090	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2091	}	3352	}
2092		3353
2093	=back	3354	=back
2094		3355
2095	=cut	3356	=cut
2096		3357
2097	#############################################################################	3358	#############################################################################
		3359	# the server's init and main functions
2098		3360
2099	=head2 EXTENSION DATABASE SUPPORT	3361	sub load_facedata($) {
		3362	my ($path) = @_;
2100		3363
2101	Crossfire maintains a very simple database for extension use. It can	3364	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3365	# for this (global event?)
2103	excludes objects.	3366	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3367
2105	The parameter C<$family> should best start with the name of the extension	3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3369
2108	=over 4	3370	trace "loading facedata from $path\n";
2109		3371
2110	=item $hashref = cf::db_get $family	3372	my $facedata;
		3373	0 < aio_load $path, $facedata
		3374	or die "$path: $!";
2111		3375
2112	Return a hashref for use by the extension C<$family>, which can be	3376	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3377
2116	=item $value = cf::db_get $family => $key	3378	$facedata->{version} == 2
		3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3380
2118	Returns a single value from the database	3381	# patch in the exptable
2119		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2120	=item cf::db_put $family => $hashref	3383	$facedata->{resource}{"res/exp_table"} = {
2121		3384	type => FT_RSRC,
2122	Stores the given family hashref into the database. Updates are delayed, if	3385	data => $exp_table,
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3386	hash => (Digest::MD5::md5 $exp_table),
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3387	};
		3388	cf::cede_to_tick;
2171		3389
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3390	{
		3391	my $faces = $facedata->{faceinfo};
2176		3392
2177	sub db_get($;$) {	3393	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3395
2183	sub db_put($$;$) {	3396	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3397	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2186	} else {	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3400
2192	cf::global->attach (	3401	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3402	}
2197	);
2198	}
2199		3403
2200	#############################################################################	3404	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3405	next unless $info->{smooth};
2202		3406
2203	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
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3540	or return;
2206		3541
2207	local $/;	3542	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2209		3544
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2211		3546
2212	$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};
2213	$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};
2214		3549
2215	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2219	};	3554	};
2220	warn $@ if $@;	3555	warn $@ if $@;
2221	}	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;
2222	}	3587	}
2223		3588
2224	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
2225	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2227	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#
2228	async { Event::one_event };	3602	(async {
		3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
		3605	})->prio (Coro::PRIO_MAX);
2229	};	3606	};
2230		3607
2231	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
2232	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
2233	load_extensions;	3631	load_extensions;
2234	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;
2235	}	3646	}
2236		3647
2237	#############################################################################	3648	#############################################################################
2238	# initialisation and cleanup	3649	# initialisation and cleanup
2239		3650
2240	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2241	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2248	},
2249	);	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
2250	}	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 };
2251	}	3747	}
2252		3748
2253	sub emergency_save() {	3749	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2255		3751
2256	warn "enter emergency perl save\n";	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;
2257		3758
2258	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2259	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3770	$pl->save;
2267	}	3771	}
2268	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2269		3773
2270	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3779	$map->valid or next;
2274	$map->save;	3780	$map->save;
2275	}	3781	}
2276	warn "end emergency map save\n";	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
2277	};	3812	};
2278		3813
2279	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2280	}	3815	}
2281		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
2282	sub reload() {	3854	sub do_reload_perl() {
2283	# can/must only be called in main	3855	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2285	warn "can only reload from main coroutine\n";	3857	error "can only reload from main coroutine";
2286	return;	3858	return;
2287	}	3859	}
2288		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2289	warn "reloading...";	3866	info "reloading...";
2290		3867
2291	warn "freezing server";	3868	trace "entering sync_job";
2292	my $guard = freeze_mainloop;	3869
		3870	cf::sync_job {
2293	cf::emergency_save;	3871	cf::emergency_save;
2294		3872
2295	warn "sync database to disk";
2296	cf::db_sync;
2297	IO::AIO::flush;
2298
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved
2301
2302	warn "cancel all watchers";
2303	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}
2306
2307	warn "cancel all extension coros";	3873	trace "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3875	%EXT_CORO = ();
2310		3876
2311	warn "remove commands";	3877	trace "removing commands";
2312	%COMMAND = ();	3878	%COMMAND = ();
2313		3879
2314	warn "remove ext commands";	3880	trace "removing ext/exti commands";
2315	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2316		3883
2317	warn "unload/nuke all extensions";	3884	trace "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2320		3887
2321	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3889	eval {
2323	$cb->($pkg);	3890	$cb->($pkg);
2324	1	3891	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2326	}	3897	}
2327		3898
2328	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;
2330	}
2331
2332	warn "unload all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3902
2336	warn "removing <$k>";	3903	trace "... unloading $k";
2337	delete $INC{$k};	3904	delete $INC{$k};
2338		3905
2339	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2341		3908
2342	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2343	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2344	}	3914	}
2345		3915
2346	Symbol::delete_package $k;
2347	}
2348
2349	warn "get rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2351	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);
2352		3919
2353	warn "unload cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2355		3923
2356	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3925	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2359		3927
		3928	info "unload completed, starting to reload now";
		3929
2360	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2361	require cf;	3931	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2363		3933
2364	warn "load config and database again";	3934	trace "loading config and database again";
2365	cf::cfg_load;	3935	cf::reload_config;
2366	cf::db_load;
2367		3936
2368	warn "load extensions";	3937	trace "loading extensions";
2369	cf::load_extensions;	3938	cf::load_extensions;
2370		3939
		3940	if ($REATTACH_ON_RELOAD) {
2371	warn "reattach attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2372	_global_reattach;	3942	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3943	trace "reattaching attachments to maps";
2374	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 $RELOAD_WATCHER;
		3980	};
2375	};	3981	};
2376
2377	if ($@) {
2378	warn $@;
2379	warn "error while reloading, exiting.";
2380	exit 1;
2381	}
2382
2383	warn "reloaded";
2384	};
2385
2386	#############################################################################
2387
2388	unless ($LINK_MAP) {
2389	$LINK_MAP = cf::map::new;
2390
2391	$LINK_MAP->width (41);
2392	$LINK_MAP->height (41);
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,
2401	cb => sub {
2402	$_[0]->w->cancel;
2403
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});
2422
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3982	}
2428		3983
2429	register_command "reload" => sub {	3984	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2431		3986
2432	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
		3991	reload_perl;
		3992	};
2436	}	3993	}
2437	};	3994	};
2438		3995
2439	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2440		3997
2441	$TICK_WATCHER = Event->timer (	3998	my $bug_warning = 0;
2442	reentrant => 0,	3999
2443	prio => 0,	4000	our @WAIT_FOR_TICK;
2444	at => $NEXT_TICK || $TICK,	4001	our @WAIT_FOR_TICK_BEGIN;
2445	data => WF_AUTOCANCEL,	4002
2446	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
2447	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2448	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;
2450		4027
2451	$WAIT_FOR_TICK->broadcast;	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2453		4029
2454	# if we are delayed by four ticks or more, skip them all	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2456		4032	Coro::async_pool {
2457	$TICK_WATCHER->at ($NEXT_TICK);	4033	$Coro::current->{desc} = "runtime saver";
2458	$TICK_WATCHER->start;
2459	},
2460	);
2461
2462	IO::AIO::max_poll_time $TICK * 0.2;
2463
2464	Event->io (
2465	fd => IO::AIO::poll_fileno,
2466	poll => 'r',
2467	prio => 5,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,
2474	after => 0,
2475	interval => 10,
2476	cb => sub {
2477	(Coro::unblock_sub {
2478	write_runtime	4034	write_runtime_sync
2479	or warn "ERROR: unable to write runtime file: $!";	4035	or error "ERROR: unable to write runtime file: $!";
2480	})->();	4036	};
2481	},	4037	}
2482	);	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;
2483		4153
2484	END { cf::emergency_save }	4154	END { cf::emergency_save }
2485		4155
2486	1	4156	1
2487		4157

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