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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 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		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	121	our $NEXT_TICK;
50	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
51		130
52	our %CFG;	131	our %CFG;
53		132
54	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
56		136
57	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		140
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
64		153
65	binmode STDOUT;	154	binmode STDOUT;
66	binmode STDERR;	155	binmode STDERR;
67		156
68	# read virtual server time, if available	157	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
73	}	162	}
74		163
75	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		165
81	# a special map that is always available	166	mkdir $_
82	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
83	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
84		187
85	#############################################################################	188	#############################################################################
86		189
87	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
88		191
…		…
95	=item $cf::RUNTIME	198	=item $cf::RUNTIME
96		199
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	201	every server tick.
99		202
100	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		206
102	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
104		211
105	=item $cf::NOW	212	=item $cf::NOW
106		213
107	The time of the last (current) server tick.	214	The time of the last (current) server tick.
108		215
109	=item $cf::TICK	216	=item $cf::TICK
110		217
111	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
112		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
113	=item %cf::CFG	230	=item %cf::CFG
114		231
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	233	from wherever your confdir points to.
117		234
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		236
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
122	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
124		257
125	=back	258	=back
126		259
127	=cut	260	=cut
128		261
129	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
130	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
131	my $msg = join "", @_;	269	my $msg = join "", @_;
132	utf8::encode $msg;
133		270
134	$msg .= "\n"	271	$msg .= "\n"
135	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
136		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
137	LOG llevError, $msg;	276	LOG llevWarn, $msg;
138	};	277	};
139	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
140		292
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		300
148	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	302	# within the Safe compartment.
150	for my $pkg (qw(	303	for my $pkg (qw(
151	cf::global cf::attachable	304	cf::global cf::attachable
152	cf::object cf::object::player	305	cf::object cf::object::player
153	cf::client cf::player	306	cf::client cf::player
154	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
155	cf::map cf::party cf::region	309	cf::party cf::region
156	)) {	310	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	312	}
160		313
161	$Event::DIED = sub {	314	$EV::DIED = sub {
162	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
163	};	316	};
		317
		318	#############################################################################
164		319
165	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
166		321
167	=over 4	322	=over 4
168		323
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	343	$d
189	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
190	}	345	}
191		346
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
195		348
196	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
197		350
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
206		352
207	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
208		354
209	=cut	355	=cut
210		356
211	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
213	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
214	}	403	}
215		404
216	=item cf::lock_wait $string	405	=item cf::lock_wait $string
217		406
218	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
219		408
220	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
221		410
222	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
225	returned.	414	returned.
226		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
227	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
229		421
230	=cut	422	=item $locked = cf::lock_active $string
231		423
232	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
233		429
234	sub lock_wait($) {	430	sub lock_wait($) {
235	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	432	}
243		433
244	sub lock_acquire($) {	434	sub lock_acquire($) {
245	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
246		437
247	# wait, to be sure we are not locked	438	sub lock_active($) {
248	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	440	}
257		441
258	sub freeze_mainloop {	442	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
260		444
261	my $guard = Coro::guard { $TICK_WATCHER->start };	445	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	446	}
263	$guard	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
		512	}
		513	};
		514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
264	}	528	}
265		529
266	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
267		531
268	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		537
274	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
275		539
276	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
277		541
278	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
281		546
282	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
285	fast or be very important.	550	fast or be very important.
…		…
287	=cut	552	=cut
288		553
289	sub sync_job(&) {	554	sub sync_job(&) {
290	my ($job) = @_;	555	my ($job) = @_;
291		556
292	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
293	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
295		562
296	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	564
298	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
299		566
300	my $busy = 1;	567	my $busy = 1;
301	my @res;	568	my @res;
302		569
303	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	572	@res = eval { $job->() };
305	warn $@ if $@;	573	error $@ if $@;
306	undef $busy;	574	undef $busy;
307	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
308		576
309	while ($busy) {	577	while ($busy) {
310	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
311	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
312		588
313	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
314	} else {	590	} else {
315	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
316		592
…		…
336	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
337		613
338	$coro	614	$coro
339	}	615	}
340		616
341	sub write_runtime {	617	=item fork_call { }, @args
342	my $runtime = cf::localdir . "/runtime";
343		618
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
345	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
346		623
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		625
351	aio_fsync $fh	626	sub post_fork {
352	and return;	627	reset_signals;
		628	}
353		629
354	close $fh	630	sub fork_call(&@) {
355	or return;	631	my ($cb, @args) = @_;
356		632
357	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
358	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
359		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
360	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	821	}
362		822
363	=back	823	=back
364		824
365	=cut	825	=cut
366		826
367	#############################################################################	827	#############################################################################
368		828
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521
522	#############################################################################
523
524	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
525		830
526	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
527	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
528	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
529		834
530	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
531	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
532	crossfire+).	837	Deliantra).
533		838
534	=over 4	839	=over 4
535		840
536	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
537		842
…		…
581	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
582		887
583	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
584	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
585		890
586	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
587	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
588		893
589	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
590		895
591	=over 4	896	=over 4
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	957	our @CB_MAP = ();
653		958
654	my %attachment;	959	my %attachment;
655		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
656	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
658		969
659	use sort 'stable';	970	use sort 'stable';
660		971
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
695		1006
696	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		1011
701	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
703		1014
704	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
709		1020
710	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
711	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
712		1023
713	} elsif (ref $type) {	1024	} elsif (ref $type) {
714	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
715		1026
716	} else {	1027	} else {
717	shift @arg;	1028	shift @arg;
718	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
719	}	1030	}
720	}	1031	}
721	}	1032	}
722		1033
723	sub _object_attach {	1034	sub _object_attach {
…		…
733	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
734	}	1045	}
735		1046
736	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
737	} else {	1048	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
739	}	1050	}
740		1051
741	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
742	}	1053	}
743		1054
…		…
745	if (ref $_[0]) {	1056	if (ref $_[0]) {
746	_object_attach @_;	1057	_object_attach @_;
747	} else {	1058	} else {
748	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
749	}	1060	}
		1061	_recalc_want;
750	};	1062	};
751		1063
752	# all those should be optimised	1064	# all those should be optimised
753	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
758	reattach ($obj);	1070	reattach ($obj);
759	} else {	1071	} else {
760	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
761	}	1073	}
		1074	_recalc_want;
762	};	1075	};
763		1076
764	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
766		1079
…		…
781	";	1094	";
782	die if $@;	1095	die if $@;
783	}	1096	}
784		1097
785	our $override;	1098	our $override;
786	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
787		1100
788	sub override {	1101	sub override {
789	$override = 1;	1102	$override = 1;
790	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
791	}	1104	}
792		1105
793	sub do_invoke {	1106	sub do_invoke {
794	my $event = shift;	1107	my $event = shift;
795	my $callbacks = shift;	1108	my $callbacks = shift;
796		1109
797	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
798		1111
799	local $override;	1112	local $override;
800		1113
801	for (@$callbacks) {	1114	for (@$callbacks) {
802	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
803		1116
804	if ($@) {	1117	if ($@) {
805	warn "$@";
806	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
807	override;	1119	override;
808	}	1120	}
809		1121
810	return 1 if $override;	1122	return 1 if $override;
811	}	1123	}
812		1124
813	0	1125	0
814	}	1126	}
815		1127
816	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
817		1129
818	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
819		1131
820	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
821		1133
822	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
823	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
824	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		1137
826	=back	1138	=back
827		1139
828	=cut	1140	=cut
829		1141
830	#############################################################################	1142	#############################################################################
831	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
832		1186
833	sub reattach {	1187	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		1193
837	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
838		1195
839	@$registry = ();	1196	@$registry = ();
840		1197
…		…
845	for (@$attach) {	1202	for (@$attach) {
846	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
847	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
848	}	1205	}
849	} else {	1206	} else {
850	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
851	}	1208	}
852	}	1209	}
853	}	1210	}
854		1211
855	cf::attachable->attach (	1212	cf::attachable->attach (
856	prio => -1000000,	1213	prio => -1000000,
857	on_instantiate => sub {	1214	on_instantiate => sub {
858	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
859		1216
860	$data = from_json $data;	1217	$data = decode_json $data;
861		1218
862	for (@$data) {	1219	for (@$data) {
863	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
864		1221
865	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
881	sub object_freezer_save {	1238	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
883		1240
884	sync_job {	1241	sync_job {
885	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
886	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
888		1247
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	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;
892	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
893	close $fh;	1255	aio_close $fh;
894		1256
895	if (@$objs) {	1257	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	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;
900	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
901	close $fh;	1266	aio_close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
903	}	1268	}
904	} else {	1269	} else {
905	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
906	}	1271	}
907		1272
908	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
909	} else {	1277	} else {
910	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
911	}	1279	}
912	} else {	1280	} else {
913	aio_unlink $filename;	1281	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
915	}	1283	}
916	}	1284	};
917	}	1285	}
918		1286
919	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
921		1289
…		…
933	or return;	1301	or return;
934		1302
935	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
937	or return;	1305	or return;
		1306
938	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
939	}	1309	}
940		1310
		1311	utf8::decode (my $decname = $filename);
941	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
943	return ($data, $av);	1316	($data, $av)
944	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
945		1324
946	#############################################################################	1325	#############################################################################
947	# command handling &c	1326	# command handling &c
948		1327
949	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1342	}
964		1343
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1345
967	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
968		1351
969	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
970	called.	1353	called.
971		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
972	=cut	1366	=cut
973		1367
974	sub register_extcmd {	1368	sub register_extcmd {
975	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
976		1370
977	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
978	}	1372	}
979		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
980	cf::player->attach (	1382	cf::player->attach (
981	on_command => sub {	1383	on_unknown_command => sub {
982	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
983		1385
984	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
985	or return;	1387	or return;
986		1388
…		…
991	cf::override;	1393	cf::override;
992	},	1394	},
993	on_extcmd => sub {	1395	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
995		1397
996	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1399
998	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1004	} else {	1415	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1417	}
1007		1418
1008	cf::override;	1419	cf::override;
1009	},	1420	},
1010	);	1421	);
1011		1422
		1423	# "readahead" all extensions
1012	sub load_extension {	1424	sub cache_extensions {
1013	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
1014		1426
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1016	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
1017	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1018	$pkg =~ s/[^[:word:]]/_/g;	1430	}
1019	$pkg = "ext::$pkg";	1431	};
1020		1432
1021	warn "... loading '$path' into '$pkg'\n";	1433	$grp
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}	1434	}
1038		1435
1039	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1040	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1443	next unless -r $path;
1042	eval {	1444
1043	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
1044	1	1508	}
1045	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
1046	}	1519	};
1047	}	1520	}
1048		1521
1049	#############################################################################	1522	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1523
1052	*cf::mapsupport::on_clean = sub {	1524	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1525
1065	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1066		1527
1067	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1068		1529
1069	=cut	1530	=cut
1070		1531
1071	package cf::player;	1532	package cf::player;
1072		1533
…		…
1074		1535
1075	=head3 cf::player	1536	=head3 cf::player
1076		1537
1077	=over 4	1538	=over 4
1078		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
1079	=item cf::player::find $login	1554	=item cf::player::find $login
1080		1555
1081	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1082		1557
1083	=cut	1558	=cut
1084		1559
1085	sub playerdir($) {	1560	sub playerdir($) {
1086	cf::localdir	1561	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1563	}
1092		1564
1093	sub path($) {	1565	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1567
1096	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
1097	}	1569	}
1098		1570
1099	sub find_active($) {	1571	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
1104		1576
1105	sub exists($) {	1577	sub exists($) {
1106	my ($login) = @_;	1578	my ($login) = @_;
1107		1579
1108	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
1110	}	1582	}
1111		1583
1112	sub find($) {	1584	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1586	my $login = $_[0];
1115		1587
1116	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
1117		1589
1118	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
1119	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
1120	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1121	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1122	}	1607	}
1123	}	1608	}
1124	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1125		1623
1126	sub save($) {	1624	sub save($) {
1127	my ($pl) = @_;	1625	my ($pl) = @_;
1128		1626
1129	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1134	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1135		1633
1136	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1138		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1139	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1140	Coro::cede;	1643	cf::cede_to_tick;
1141	}	1644	}
1142		1645
1143	sub new($) {	1646	sub new($) {
1144	my ($login) = @_;	1647	my ($login) = @_;
1145		1648
…		…
1151	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1152		1655
1153	$self	1656	$self
1154	}	1657	}
1155		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1156	=item $pl->quit_character	1669	=item $pl->quit_character
1157		1670
1158	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1160		1673
1161	=cut	1674	=cut
1162		1675
1163	sub quit_character {	1676	sub quit_character {
1164	my ($pl) = @_;	1677	my ($pl) = @_;
1165		1678
		1679	my $name = $pl->ob->name;
		1680
1166	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1168		1683
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1170	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1172	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1173		1692
1174	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1179	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
1180	}	1719	}
1181		1720
1182	=item cf::player::list_logins	1721	=item cf::player::list_logins
1183		1722
1184	Returns am arrayref of all valid playernames in the system, can take a	1723	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1186		1725
1187	=cut	1726	=cut
1188		1727
1189	sub list_logins {	1728	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1730	or return [];
1192		1731
1193	my @logins;	1732	my @logins;
1194		1733
1195	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1199		1744
1200	utf8::decode $login;	1745	utf8::decode $login;
1201	push @logins, $login;	1746	push @logins, $login;
1202	}	1747	}
1203		1748
1204	\@logins	1749	\@logins
1205	}	1750	}
1206		1751
1207	=item $player->maps	1752	=item $player->maps
1208		1753
		1754	=item cf::player::maps $login
		1755
1209	Returns an arrayref of cf::path's of all maps that are private for this	1756	Returns an arrayref of map paths that are private for this
1210	player. May block.	1757	player. May block.
1211		1758
1212	=cut	1759	=cut
1213		1760
1214	sub maps($) {	1761	sub maps($) {
1215	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1765
1217	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1218	or return;	1767	or return;
1219		1768
1220	my @paths;	1769	my @paths;
…		…
1222	for (@$files) {	1771	for (@$files) {
1223	utf8::decode $_;	1772	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1226		1775
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1776	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1777	}
1229		1778
1230	\@paths	1779	\@paths
1231	}	1780	}
1232		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1234		1787
1235	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1236		1789
1237	=cut	1790	=cut
1238		1791
1239	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1241		1794
1242	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1796	}
1246		1797
1247	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1248		1840
1249	=back	1841	=back
1250
1251		1842
1252	=head3 cf::map	1843	=head3 cf::map
1253		1844
1254	=over 4	1845	=over 4
1255		1846
…		…
1258	package cf::map;	1849	package cf::map;
1259		1850
1260	use Fcntl;	1851	use Fcntl;
1261	use Coro::AIO;	1852	use Coro::AIO;
1262		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1263	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1265		1860
1266	sub generate_random_map {	1861	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1268		1865
1269	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1867	$self->_create_random_map (
1271	$path,	1868	$rmp, $rmp->{total_map_hp},
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1869	(cf::region::find $rmp->{region})
		1870	)
1283	}	1871	}
1284		1872
1285	# and all this just because we cannot iterate over	1873	=item cf::map->register ($regex, $prio)
1286	# all maps in C++...
1287	sub change_all_map_light {
1288	my ($change) = @_;
1289		1874
1290	$_->change_map_light ($change)	1875	Register a handler for the map path matching the given regex at the
1291	for grep $_->outdoor, values %cf::MAP;	1876	givne priority (higher is better, built-in handlers have priority 0, the
1292	}	1877	default).
1293		1878
1294	sub load_map_header($) {	1879	=cut
		1880
		1881	sub register {
		1882	my (undef, $regex, $prio) = @_;
		1883	my $pkg = caller;
		1884
		1885	push @{"$pkg\::ISA"}, __PACKAGE__;
		1886
		1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1888	}
		1889
		1890	# also paths starting with '/'
		1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1892
		1893	sub thawer_merge {
		1894	my ($self, $merge) = @_;
		1895
		1896	# we have to keep some variables in memory intact
		1897	local $self->{path};
		1898	local $self->{load_path};
		1899
		1900	$self->SUPER::thawer_merge ($merge);
		1901	}
		1902
		1903	sub normalise {
1295	my ($path) = @_;	1904	my ($path, $base) = @_;
		1905
		1906	$path = "$path"; # make sure it's a string
		1907
		1908	$path =~ s/\.map$//;
		1909
		1910	# map plan:
		1911	#
		1912	# /! non-realised random map exit (special hack!)
		1913	# {... are special paths that are not being touched
		1914	# ?xxx/... are special absolute paths
		1915	# ?random/... random maps
		1916	# /... normal maps
		1917	# ~user/... per-player map of a specific user
		1918
		1919	$path =~ s/$PATH_SEP/\//go;
		1920
		1921	# treat it as relative path if it starts with
		1922	# something that looks reasonable
		1923	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1924	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1925
		1926	$base =~ s{[^/]+/?$}{};
		1927	$path = "$base/$path";
		1928	}
		1929
		1930	for ($path) {
		1931	redo if s{/\.?/}{/};
		1932	redo if s{/[^/]+/\.\./}{/};
		1933	}
		1934
		1935	$path
		1936	}
		1937
		1938	sub new_from_path {
		1939	my (undef, $path, $base) = @_;
		1940
		1941	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1942
		1943	$path = normalise $path, $base;
		1944
		1945	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1946	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1947	my $self = bless cf::map::new, $pkg;
		1948	$self->{path} = $path; $self->path ($path);
		1949	$self->init; # pass $1 etc.
		1950	return $self;
		1951	}
		1952	}
		1953
		1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1955	()
		1956	}
		1957
		1958	sub init {
		1959	my ($self) = @_;
		1960
		1961	$self
		1962	}
		1963
		1964	sub as_string {
		1965	my ($self) = @_;
		1966
		1967	"$self->{path}"
		1968	}
		1969
		1970	# the displayed name, this is a one way mapping
		1971	sub visible_name {
		1972	&as_string
		1973	}
		1974
		1975	# the original (read-only) location
		1976	sub load_path {
		1977	my ($self) = @_;
		1978
		1979	"$MAPDIR/$self->{path}.map"
		1980	}
		1981
		1982	# the temporary/swap location
		1983	sub save_path {
		1984	my ($self) = @_;
		1985
		1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1987	"$TMPDIR/$path.map"
		1988	}
		1989
		1990	# the unique path, undef == no special unique path
		1991	sub uniq_path {
		1992	my ($self) = @_;
		1993
		1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1995	"$UNIQUEDIR/$path"
		1996	}
		1997
		1998	sub decay_objects {
		1999	my ($self) = @_;
		2000
		2001	return if $self->{deny_reset};
		2002
		2003	$self->do_decay_objects;
		2004	}
		2005
		2006	sub unlink_save {
		2007	my ($self) = @_;
		2008
		2009	utf8::encode (my $save = $self->save_path);
		2010	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2011	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2012	}
		2013
		2014	sub load_header_from($) {
		2015	my ($self, $path) = @_;
1296		2016
1297	utf8::encode $path;	2017	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1299	or return;	2019	or return;
1300		2020
1301	my $map = cf::map::new	2021	$self->_load_header ($f)
1302	or return;	2022	or return;
1303		2023
1304	# for better error messages only, will be overwritten later	2024	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	2025	$f->resolve_delayed_derefs;
1306		2026
1307	$map->load_header ($path)	2027	$self->{load_path} = $path;
		2028
		2029	1
		2030	}
		2031
		2032	sub load_header_orig {
		2033	my ($self) = @_;
		2034
		2035	$self->load_header_from ($self->load_path)
		2036	}
		2037
		2038	sub load_header_temp {
		2039	my ($self) = @_;
		2040
		2041	$self->load_header_from ($self->save_path)
		2042	}
		2043
		2044	sub prepare_temp {
		2045	my ($self) = @_;
		2046
		2047	$self->last_access ((delete $self->{last_access})
		2048	|| $cf::RUNTIME); #d#
		2049	# safety
		2050	$self->{instantiate_time} = $cf::RUNTIME
		2051	if $self->{instantiate_time} > $cf::RUNTIME;
		2052	}
		2053
		2054	sub prepare_orig {
		2055	my ($self) = @_;
		2056
		2057	$self->{load_original} = 1;
		2058	$self->{instantiate_time} = $cf::RUNTIME;
		2059	$self->last_access ($cf::RUNTIME);
		2060	$self->instantiate;
		2061	}
		2062
		2063	sub load_header {
		2064	my ($self) = @_;
		2065
		2066	if ($self->load_header_temp) {
		2067	$self->prepare_temp;
		2068	} else {
		2069	$self->load_header_orig
1308	or return;	2070	or return;
		2071	$self->prepare_orig;
		2072	}
1309		2073
1310	$map->{load_path} = $path;	2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
1311		2076
1312	$map	2077	$self->default_region (cf::region::find_by_path $self->{path})
		2078	unless $self->default_region;
		2079
		2080	1
1313	}	2081	}
1314		2082
1315	sub find;	2083	sub find;
1316	sub find {	2084	sub find {
1317	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1318		2086
1319	#warn "find<$path,$origin>\n";#d#	2087	cf::cede_to_tick;
1320		2088
1321	$path = new cf::path $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		2090
1324	cf::lock_wait "map_find:$key";	2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325
1326	$cf::MAP{$key} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1328		2093
1329	# do it the slow way	2094	$cf::MAP{$path} || do {
1330	my $map = $path->load_temp;	2095	my $map = new_from_path cf::map $path
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	2096	or return;
1343		2097
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1356		2099
1357	Coro::cede;	2100	$map->load_header
		2101	or return;
1358		2102
1359	if ($map->should_reset) {	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2104	# doing this can freeze the server in a sync job, obviously
		2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1360	$map->reset;	2108	$map->reset;
1361	undef $guard;
1362	$map = find $path	2109	return find $path;
1363	or return;
1364	}	2110	}
1365		2111
1366	$cf::MAP{$key} = $map	2112	$cf::MAP{$path} = $map
1367	}	2113	}
1368	}	2114	}
		2115
		2116	sub pre_load { }
		2117	#sub post_load { } # XS
1369		2118
1370	sub load {	2119	sub load {
1371	my ($self) = @_;	2120	my ($self) = @_;
1372		2121
		2122	local $self->{deny_reset} = 1; # loading can take a long time
		2123
1373	my $path = $self->{path};	2124	my $path = $self->{path};
		2125
		2126	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2127	my $guard = cf::lock_acquire "map_data:$path";
1375		2128
		2129	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1377		2131
1378	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1379		2133
1380	$self->alloc;	2134	$self->alloc;
1381	$self->load_objects ($self->{load_path}, 1)	2135
		2136	$self->pre_load;
		2137	cf::cede_to_tick;
		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
		2141	$self->_load_objects ($f)
1382	or return;	2142	or return;
1383		2143
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1385	if delete $self->{load_original};	2145	if delete $self->{load_original};
1386		2146
1387	if (my $uniq = $path->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	2148	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	2151	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1392	}	2155	}
1393	}	2156	}
1394		2157
1395	Coro::cede;	2158	$f->resolve_delayed_derefs;
1396		2159
		2160	cf::cede_to_tick;
1397	# now do the right thing for maps	2161	# now do the right thing for maps
1398	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	2164	unless $self->difficulty;
		2165	cf::cede_to_tick;
		2166
		2167	unless ($self->{deny_activate}) {
		2168	$self->decay_objects;
		2169	$self->fix_auto_apply;
		2170	$self->update_buttons;
		2171	cf::cede_to_tick;
1410	$self->activate;	2172	$self->activate;
1411	}	2173	}
1412		2174
1413	Coro::cede;	2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
1414		2177
1415	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
		2179	}
		2180
		2181	$self->post_load;
		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
		2189	sub customise_for {
		2190	my ($self, $ob) = @_;
		2191
		2192	return find "~" . $ob->name . "/" . $self->{path}
		2193	if $self->per_player;
		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
		2198	$self
1416	}	2199	}
1417		2200
1418	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	2202	sub load_neighbours {
1420	my ($map) = @_;	2203	my ($map) = @_;
1421		2204
1422	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1423		2206
1424	for (0 .. 3) {	2207	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1426	or next;	2209	or next;
1427	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1428	or next;	2211	or next;
1429	$neigh->load;	2212	$neigh->load;
1430		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	2218	}
1434		2219
1435	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1437	or next;	2223	or next;
1438	$neigh->load;	2224	$neigh->load;
1439	}	2225	}
1440	}	2226	}
1441		2227
1442	sub find_sync {	2228	sub find_sync {
1443	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1444		2230
1445	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1446	}	2235	}
1447		2236
1448	sub do_load_sync {	2237	sub do_load_sync {
1449	my ($map) = @_;	2238	my ($map) = @_;
1450		2239
1451	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1452	}	2244	}
1453		2245
1454	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
		2247	our $MAP_PREFETCHER = undef;
		2248
		2249	sub find_async {
		2250	my ($path, $origin, $load) = @_;
		2251
		2252	$path = normalise $path, $origin && $origin->{path};
		2253
		2254	if (my $map = $cf::MAP{$path}) {
		2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2256	}
		2257
		2258	$MAP_PREFETCH{$path} |= $load;
		2259
1455	our $MAP_PREFETCHER = Coro::async {	2260	$MAP_PREFETCHER ||= cf::async {
1456	while () {	2261	$Coro::current->{desc} = "map prefetcher";
		2262
1457	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2265	if (my $map = find $k) {
		2266	$map->load if $v;
		2267	}
		2268
1460	my $path = delete $MAP_PREFETCH{$key};	2269	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2270	}
1466	Coro::schedule;	2271	}
		2272	undef $MAP_PREFETCHER;
1467	}	2273	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2274	$MAP_PREFETCHER->prio (6);
1482		2275
1483	()	2276	()
		2277	}
		2278
		2279	# common code, used by both ->save and ->swapout
		2280	sub _save {
		2281	my ($self) = @_;
		2282
		2283	$self->{last_save} = $cf::RUNTIME;
		2284
		2285	return unless $self->dirty;
		2286
		2287	my $save = $self->save_path; utf8::encode $save;
		2288	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2289
		2290	$self->{load_path} = $save;
		2291
		2292	return if $self->{deny_save};
		2293
		2294	local $self->{last_access} = $self->last_access;#d#
		2295
		2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
		2298	$_->contr->save for $self->players;
		2299	};
		2300
		2301	cf::get_slot 0.02;
		2302
		2303	if ($uniq) {
		2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2306	} else {
		2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2308	}
1484	}	2309	}
1485		2310
1486	sub save {	2311	sub save {
1487	my ($self) = @_;	2312	my ($self) = @_;
1488		2313
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2315
1491	$self->{last_save} = $cf::RUNTIME;	2316	$self->_save;
1492
1493	return unless $self->dirty;
1494
1495	my $save = $self->{path}->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1497
1498	$self->{load_path} = $save;
1499
1500	return if $self->{deny_save};
1501
1502	local $self->{last_access} = $self->last_access;#d#
1503
1504	cf::async {
1505	$_->contr->save for $self->players;
1506	};
1507
1508	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}
1514	}	2317	}
1515		2318
1516	sub swap_out {	2319	sub swap_out {
1517	my ($self) = @_;	2320	my ($self) = @_;
1518		2321
1519	# save first because save cedes
1520	$self->save;
1521
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1524	return if $self->players;	2326	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};
1527		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1528	$self->clear;	2337	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2338	}
1531		2339
1532	sub reset_at {	2340	sub reset_at {
1533	my ($self) = @_;	2341	my ($self) = @_;
1534		2342
1535	# TODO: safety, remove and allow resettable per-player maps	2343	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2344	return 1e99 if $self->{deny_reset};
1538		2345
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2348
…		…
1546	my ($self) = @_;	2353	my ($self) = @_;
1547		2354
1548	$self->reset_at <= $cf::RUNTIME	2355	$self->reset_at <= $cf::RUNTIME
1549	}	2356	}
1550		2357
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2358	sub reset {
1573	my ($self) = @_;	2359	my ($self) = @_;
1574		2360
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2362
1577	return if $self->players;	2363	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2364
1580	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
		2366
		2367	$self->in_memory (cf::MAP_SWAPPED);
		2368
		2369	# need to save uniques path
		2370	unless ($self->{deny_save}) {
		2371	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2372
		2373	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2374	if $uniq;
		2375	}
1581		2376
1582	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1583		2378
		2379	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2380	$_->clear_links_to ($self) for values %cf::MAP;
		2381	$self->clear;
1585		2382
1586	$self->unlink_save;	2383	$self->unlink_save;
1587	$self->destroy;	2384	$self->destroy;
1588	}	2385	}
1589		2386
1590	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1591		2388
1592	sub nuke {	2389	sub nuke {
1593	my ($self) = @_;	2390	my ($self) = @_;
1594		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
		2395	delete $cf::MAP{$self->path};
		2396
		2397	$self->unlink_save;
		2398
		2399	bless $self, "cf::map::wrap";
		2400	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2404
		2405	$cf::MAP{$self->path} = $self;
		2406	}
		2407
1598	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
1599	}	2409	}
1600		2410
1601	sub customise_for {	2411	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2412
1604	if ($map->per_player) {	2413	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2414	maps. May block.
		2415
		2416	=cut
		2417
		2418	sub tmp_maps() {
1606	}	2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	/\.map$/
		2423	? normalise $_
		2424	: ()
		2425	} @{ aio_readdir $TMPDIR or [] }
		2426	]
		2427	}
1607		2428
1608	$map	2429	=item $maps = cf::map::random_maps
		2430
		2431	Returns an arrayref with all map paths of currently instantiated and saved
		2432	random maps. May block.
		2433
		2434	=cut
		2435
		2436	sub random_maps() {
		2437	[
		2438	map {
		2439	utf8::decode $_;
		2440	/\.map$/
		2441	? normalise "?random/$_"
		2442	: ()
		2443	} @{ aio_readdir $RANDOMDIR or [] }
		2444	]
1609	}	2445	}
1610		2446
1611	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1612		2448
1613	Returns an arrayref of cf::path's of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2450	instantiated unique items. May block.
1615		2451
1616	=cut	2452	=cut
1617		2453
1618	sub unique_maps() {	2454	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2455	[
1620	or return;	2456	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2457	utf8::decode $_;
1626	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1627	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1628		2460	? ()
1629	push @paths, new cf::path $_;	2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2463	]
1631
1632	\@paths
1633	}	2464	}
1634		2465
1635	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
1636		2497
1637	=back	2498	=back
1638		2499
1639	=head3 cf::object	2500	=head3 cf::object
1640		2501
…		…
1644		2505
1645	=over 4	2506	=over 4
1646		2507
1647	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1648		2509
1649	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
1650		2512
1651	=cut	2513	=cut
1652		2514
1653	sub inv_recursive_;	2515	sub inv_recursive_;
1654	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1657		2519
1658	sub inv_recursive {	2520	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1660	}	2522	}
1661		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
1662	package cf;	2552	package cf;
1663		2553
1664	=back	2554	=back
1665		2555
1666	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1672	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1673	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
1674	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1675		2565
1676	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
1677		2581
1678	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1679	# with dialog boxes.	2583	# with dialog boxes.
1680	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
1681	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1683		2587
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2589
1686	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1688	} else {	2593	} else {
		2594	my $pl = $self->contr;
		2595
		2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2597	my $dialog = $pl->{npc_dialog};
		2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2599
		2600	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1691	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
1692	}	2615	}
1693		2616
1694	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1695		2618
1696	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1709		2632
1710	=item $player_object->enter_link	2633	=item $player_object->enter_link
1711		2634
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2636
1714	The player should be reaosnably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
1715	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
		2641
		2642	Will never block.
1716		2643
1717	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1718		2645
1719	Moves the player out of the specila link map onto the given map. If the	2646	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2647	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2648	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2649	fails, to the emergency map position.
1723		2650
1724	Might block.	2651	Might block.
1725		2652
1726	=cut	2653	=cut
		2654
		2655	sub link_map {
		2656	unless ($LINK_MAP) {
		2657	$LINK_MAP = cf::map::find "{link}"
		2658	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2659	$LINK_MAP->load;
		2660	}
		2661
		2662	$LINK_MAP
		2663	}
1727		2664
1728	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2666	my ($self) = @_;
1730		2667
1731	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1732		2669
1733	return if $self->map == $LINK_MAP;	2670	++$self->{_link_recursion};
		2671
		2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2673
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2675	if $self->map && $self->map->{path} ne "{link}";
1737		2676
1738	$self->enter_map ($LINK_MAP, 20, 20);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1739	}	2678	}
1740		2679
1741	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
		2682
		2683	return unless $self->contr->active;
1743		2684
1744	my $link_pos = delete $self->{_link_pos};	2685	my $link_pos = delete $self->{_link_pos};
1745		2686
1746	unless ($map) {	2687	unless ($map) {
1747	# restore original map position	2688	# restore original map position
…		…
1758	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1759	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1760		2701
1761	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1764		2705
1765	$map->load;	2706	$map->load;
1766	$map->load_diag;	2707	$map->load_neighbours;
1767		2708
1768	return unless $self->contr->active;	2709	return unless $self->contr->active;
		2710
		2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2712	if ($self->enter_map ($map, $x, $y)) {
		2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
1769	$self->activate_recursive;	2716	$self->activate_recursive;
1770	$self->enter_map ($map, $x, $y);
1771	}
1772
1773	cf::player->attach (
1774	on_logout => sub {
1775	my ($pl) = @_;
1776
1777	# abort map switching before logout
1778	if ($pl->ob->{_link_pos}) {
1779	cf::sync_job {
1780	$pl->ob->leave_link
1781	};
1782	}
1783	},	2717	}
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2718
1787	# try to abort aborted map switching on player login :)	2719	}
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804		2720
1805	=item $player_object->goto ($path, $x, $y)	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1806		2722
		2723	Moves the player to the given map-path and coordinates by first freezing
		2724	her, loading and preparing them map, calling the provided $check callback
		2725	that has to return the map if sucecssful, and then unfreezes the player on
		2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
		2731
1807	=cut	2732	=cut
		2733
		2734	our $GOTOGEN;
1808		2735
1809	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2738
1812	$path = new cf::path $path;	2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
		2744
		2745	# do generation counting so two concurrent goto's will be executed in-order
		2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2747
1814	$self->enter_link;	2748	$self->enter_link;
1815		2749
1816	(async {	2750	(async {
1817	my $map = cf::map::find $path->as_string;	2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
		2772	my $map = eval {
		2773	my $map = defined $path ? cf::map::find $path : undef;
		2774
		2775	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2776	$map = $map->customise_for ($self);
1819		2777	$map = $check->($map, $x, $y, $self) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2778	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2780	}
1824		2781
		2782	$map
		2783	};
		2784
		2785	if ($@) {
		2786	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	LOG llevError | logBacktrace, Carp::longmess $@;
		2788	}
		2789
		2790	if ($gen == $self->{_goto_generation}) {
		2791	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
		2793	}
		2794
		2795	$done->($self) if $done;
1826	})->prio (1);	2796	})->prio (1);
1827	}	2797	}
1828		2798
1829	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1830		2800
…		…
1832		2802
1833	sub parse_random_map_params {	2803	sub parse_random_map_params {
1834	my ($spec) = @_;	2804	my ($spec) = @_;
1835		2805
1836	my $rmp = { # defaults	2806	my $rmp = { # defaults
1837	xsize => 10,	2807	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2808	ysize => (cf::rndm 15, 40),
		2809	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2810	#layout => string,
1839	};	2811	};
1840		2812
1841	for (split /\n/, $spec) {	2813	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2814	my ($k, $v) = split /\s+/, $_, 2;
1843		2815
…		…
1855	# that depends on the exit object	2827	# that depends on the exit object
1856		2828
1857	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
1858		2830
1859	if ($exit->map) {	2831	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2832	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
1864	}	2838	}
1865		2839
1866	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
1867		2841
1868	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1869	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
		2844	my $meta = "$RANDOMDIR/$md5.meta";
1870		2845
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
		2848	undef $fh;
		2849	aio_rename "$meta~", $meta;
1873		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
1874	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
1876	}	2857	}
1877	}	2858	}
1878		2859
1879	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
…		…
1882	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
1883		2864
1884	$self->enter_link;	2865	$self->enter_link;
1885		2866
1886	(async {	2867	(async {
1887	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
1888	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
1889	prepare_random_map $exit	2877	prepare_random_map $exit
1890	if $exit->slaying eq "/!";	2878	if $exit->slaying eq "/!";
		2879	}
1891		2880
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
1894		2884
		2885	$self->goto ($map, $x, $y);
		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
1895	1;	2891	1
1896	}) {	2892	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
1898	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2897
1902	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
1903	$self->leave_link;	2899	$self->leave_link;
1904	}	2900	}
1905	})->prio (1);	2901	})->prio (1);
1906	}	2902	}
1907		2903
…		…
1918		2914
1919	sub cf::client::send_drawinfo {	2915	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2916	my ($self, $text, $flags) = @_;
1921		2917
1922	utf8::encode $text;	2918	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2920	}
1925		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
		2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2948
		2949	Send a drawinfo or msg packet to the client, formatting the msg for the
		2950	client if neccessary. C<$type> should be a string identifying the type of
		2951	the message, with C<log> being the default. If C<$color> is negative, suppress
		2952	the message unless the client supports the msg packet.
		2953
		2954	=cut
		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
		3070	sub cf::client::send_msg {
		3071	my ($self, $channel, $msg, $color, @extra) = @_;
		3072
		3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
		3109	=item $client->ext_msg ($type, @msg)
		3110
		3111	Sends an ext event to the client.
		3112
		3113	=cut
		3114
		3115	sub cf::client::ext_msg($$@) {
		3116	my ($self, $type, @msg) = @_;
		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
		3121	push @msg, msgtype => "event_$type";
		3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
		3142	}
1926		3143
1927	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
1928		3145
1929	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3147	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3148	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		3149
1933	Queries can fail, so check the return code. Or don't, as queries will become	3150	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	3151	become reliable at some point in the future.
1935		3152
1936	=cut	3153	=cut
1937		3154
1938	sub cf::client::query {	3155	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	3164	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		3166
1950	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
1952	}	3171	}
1953		3172
1954	cf::client->attach (	3173	cf::client->attach (
		3174	on_connect => sub {
		3175	my ($ns) = @_;
		3176
		3177	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3178	},
1955	on_reply => sub {	3179	on_reply => sub {
1956	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
1957		3181
1958	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
1959	# get handled first	3183	# get handled first
1960	my $queue = delete $ns->{query_queue}	3184	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	3185	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		3186
1963	(shift @$queue)->[1]->($msg);	3187	(shift @$queue)->[1]->($msg);
		3188	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		3189
1965	push @{ $ns->{query_queue} }, @$queue;	3190	push @{ $ns->{query_queue} }, @$queue;
1966		3191
1967	if (@{ $ns->{query_queue} } == @$queue) {	3192	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	3193	if (@$queue) {
…		…
1970	} else {	3195	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	3197	}
1973	}	3198	}
1974	},	3199	},
		3200	on_exticmd => sub {
		3201	my ($ns, $buf) = @_;
		3202
		3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3204
		3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
		3213	if (my $cb = $EXTICMD{$type}) {
		3214	@reply = $cb->($ns, @payload);
		3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
		3220	} else {
		3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3222	}
		3223
		3224	cf::override;
		3225	},
1975	);	3226	);
1976		3227
1977	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
1978		3229
1979	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
1995		3246
1996	$coro	3247	$coro
1997	}	3248	}
1998		3249
1999	cf::client->attach (	3250	cf::client->attach (
2000	on_destroy => sub {	3251	on_client_destroy => sub {
2001	my ($ns) = @_;	3252	my ($ns) = @_;
2002		3253
2003	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2004	},	3255	},
2005	);	3256	);
…		…
2020	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2022		3273
2023	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2024		3275
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2026		3281
2027	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2028		3283
2029	=pod	3284	=pod
2030		3285
2031	The following fucntions and emthods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2032		3287
2033	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2034	cf::object::player player	3293	cf::object::player
2035	cf::player peaceful	3294	player
2036	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2037		3301
2038	=cut	3302	=cut
2039		3303
2040	for (	3304	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2042	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2044	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2045	) {	3311	) {
2046	no strict 'refs';
2047	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2048	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2049	for @funs;	3314	for @funs;
2050	}	3315	}
2051		3316
…		…
2066		3331
2067	my $qcode = $code;	3332	my $qcode = $code;
2068	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2069	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2070		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2071	local $_;	3339	local $_;
2072	local @safe::cf::_safe_eval_args = values %vars;
2073		3340
2074	my $eval =	3341	my $eval =
2075	"do {\n"	3342	"do {\n"
2076	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2077	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2078	. $code	3345	. $code
2079	. "\n}"	3346	. "\n}"
2080	;	3347	;
2081		3348
		3349	if ($CFG{safe_eval}) {
2082	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2083	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2084	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2085		3358
2086	if ($@) {	3359	if ($@) {
2087	warn "$@";	3360	warn "$@",
2088	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2089	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2090	}	3363	}
2091		3364
2092	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2093	}	3366	}
2094		3367
…		…
2108	=cut	3381	=cut
2109		3382
2110	sub register_script_function {	3383	sub register_script_function {
2111	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2112		3385
2113	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2114	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2115	}	3388	}
2116		3389
2117	=back	3390	=back
2118		3391
2119	=cut	3392	=cut
2120		3393
2121	#############################################################################	3394	#############################################################################
		3395	# the server's init and main functions
2122		3396
2123	=head2 EXTENSION DATABASE SUPPORT	3397	sub load_facedata($) {
		3398	my ($path) = @_;
2124		3399
2125	Crossfire maintains a very simple database for extension use. It can	3400	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	3401	# for this (global event?)
2127	excludes objects.	3402	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		3403
2129	The parameter C<$family> should best start with the name of the extension	3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		3405
2132	=over 4	3406	trace "loading facedata from $path\n";
2133		3407
2134	=item $hashref = cf::db_get $family	3408	0 < aio_load $path, my $facedata
		3409	or die "$path: $!";
2135		3410
2136	Return a hashref for use by the extension C<$family>, which can be	3411	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		3412
2140	=item $value = cf::db_get $family => $key	3413	$facedata->{version} == 2
		3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		3415
2142	Returns a single value from the database	3416	# patch in the exptable
2143		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2144	=item cf::db_put $family => $hashref	3418	$facedata->{resource}{"res/exp_table"} = {
2145		3419	type => FT_RSRC,
2146	Stores the given family hashref into the database. Updates are delayed, if	3420	data => $exp_table,
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3421	hash => (Digest::MD5::md5 $exp_table),
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	3422	};
		3423	cf::cede_to_tick;
2195		3424
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	3425	{
		3426	my $faces = $facedata->{faceinfo};
2200		3427
2201	sub db_get($;$) {	3428	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		3430
2207	sub db_put($$;$) {	3431	cf::face::set_visibility $idx, $info->{visibility};
2208	if (@_ >= 3) {	3432	cf::face::set_magicmap $idx, $info->{magicmap};
2209	$DB->{$_[0]}{$_[1]} = $_[2];	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210	} else {	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		3435
2216	cf::global->attach (	3436	cf::cede_to_tick;
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	3437	}
2221	);
2222	}
2223		3438
2224	#############################################################################	3439	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	3440	next unless $info->{smooth};
2226		3441
2227	sub cfg_load {	3442	my $idx = cf::face::find $face
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3443	or next;
2229	or return;
2230		3444
2231	local $/;	3445	if (my $smooth = cf::face::find $info->{smooth}) {
2232	*CFG = YAML::Syck::Load <$fh>;	3446	cf::face::set_smooth $idx, $smooth;
		3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3448	} else {
		3449	error "smooth face '$info->{smooth}' not found for face '$face'";
		3450	}
2233		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	{
		3457	my $anims = $facedata->{animinfo};
		3458
		3459	while (my ($anim, $info) = each %$anims) {
		3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3461	cf::cede_to_tick;
		3462	}
		3463
		3464	cf::anim::invalidate_all; # d'oh
		3465	}
		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
		3486	1
		3487	}
		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
		3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	load_resource_file "$MAPDIR/regions"
		3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
		3519	}
		3520
		3521	sub reload_facedata {
		3522	load_facedata "$DATADIR/facedata"
		3523	or die "unable to load facedata\n";
		3524	}
		3525
		3526	sub reload_archetypes {
		3527	load_resource_file "$DATADIR/archetypes"
		3528	or die "unable to load archetypes\n";
		3529	}
		3530
		3531	sub reload_treasures {
		3532	load_resource_file "$DATADIR/treasures"
		3533	or die "unable to load treasurelists\n";
		3534	}
		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
		3559	sub reload_resources {
		3560	trace "reloading resource files...\n";
		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
		3567	reload_regions;
		3568	reload_treasures;
		3569
		3570	trace "finished reloading resource files\n";
		3571	}
		3572
		3573	sub reload_config {
		3574	trace "reloading config file...\n";
		3575
		3576	0 < aio_load "$CONFDIR/config", my $config
		3577	or die "$CONFDIR/config: $!";
		3578
		3579	utf8::decode $config;
		3580	*CFG = yaml_load $config;
		3581
2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2235		3583
2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2238		3586
2239	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2243	};	3591	};
2244	warn $@ if $@;	3592	warn $@ if $@;
2245	}	3593	}
2246	}	3594	}
2247		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2248	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2249	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2252	async { Event::one_event };	3637	(async {
		3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
		3640	})->prio (Coro::PRIO_MAX);
2253	};	3641	};
2254		3642
2255	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
2256	db_load;	3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
		3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2257	load_extensions;	3666	load_extensions;
2258	Event::loop;	3667
		3668	utime time, time, $RUNTIMEFILE;
		3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2259	}	3686	}
2260		3687
2261	#############################################################################	3688	#############################################################################
2262	# initialisation and cleanup	3689	# initialisation and cleanup
2263		3690
2264	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2265	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2266	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2268	data => WF_AUTOCANCEL,
2269	signal => $signal,
2270	cb => sub {
2271	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2272	},
2273	);	3697	};
		3698	}
		3699	}
		3700
		3701	sub write_runtime_sync {
		3702	my $t0 = AE::time;
		3703
		3704	# first touch the runtime file to show we are still running:
		3705	# the fsync below can take a very very long time.
		3706
		3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3708
		3709	my $guard = cf::lock_acquire "write_runtime";
		3710
		3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3712	or return;
		3713
		3714	my $value = $cf::RUNTIME + 90 + 10;
		3715	# 10 is the runtime save interval, for a monotonic clock
		3716	# 60 allows for the watchdog to kill the server.
		3717
		3718	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3719	and return;
		3720
		3721	# always fsync - this file is important
		3722	aio_fsync $fh
		3723	and return;
		3724
		3725	# touch it again to show we are up-to-date
		3726	aio_utime $fh, undef, undef;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3732	and return;
		3733
		3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3735
2274	}	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2275	}	3787	}
2276		3788
2277	sub emergency_save() {	3789	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2279		3791
2280	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2281		3798
2282	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2283	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2287	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2290	$pl->save;	3810	$pl->save;
2291	}	3811	}
2292	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2293		3813
2294	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2295	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2296	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3819	$map->valid or next;
2298	$map->save;	3820	$map->save;
2299	}	3821	}
2300	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
		3823
		3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
		3827	BDB::db_env_txn_checkpoint $DB_ENV;
		3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2301	};	3852	};
2302		3853
2303	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2304	}	3855	}
2305		3856
		3857	sub post_cleanup {
		3858	my ($make_core) = @_;
		3859
		3860	IO::AIO::flush;
		3861
		3862	error Carp::longmess "post_cleanup backtrace"
		3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
		3892	}
		3893
2306	sub reload() {	3894	sub do_reload_perl() {
2307	# can/must only be called in main	3895	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2309	warn "can only reload from main coroutine\n";	3897	error "can only reload from main coroutine";
2310	return;	3898	return;
2311	}	3899	}
2312		3900
2313	warn "reloading...";	3901	return if $RELOAD++;
2314		3902
2315	warn "freezing server";	3903	my $t1 = AE::time;
2316	my $guard = freeze_mainloop;	3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
		3911	cf::sync_job {
2317	cf::emergency_save;	3912	#cf::emergency_save;
2318		3913
2319	warn "sync database to disk";	3914	trace "perl_reload: cancelling all extension coros";
2320	cf::db_sync;
2321	IO::AIO::flush;
2322
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "cancel all watchers";
2327	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}
2330
2331	warn "cancel all extension coros";
2332	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3916	%EXT_CORO = ();
2334		3917
2335	warn "remove commands";	3918	trace "perl_reload: removing commands";
2336	%COMMAND = ();	3919	%COMMAND = ();
2337		3920
2338	warn "remove ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2339	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2340		3924
2341	warn "unload/nuke all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2344		3928
2345	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3930	eval {
2347	$cb->($pkg);	3931	$cb->($pkg);
2348	1	3932	1
2349	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2350	}	3938	}
2351		3939
2352	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;
2354	}
2355
2356	warn "unload all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3943
2360	warn "removing <$k>";	3944	trace "... unloading $k";
2361	delete $INC{$k};	3945	delete $INC{$k};
2362		3946
2363	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2365		3949
2366	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2367	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2368	}	3955	}
2369		3956
2370	Symbol::delete_package $k;
2371	}
2372
2373	warn "get rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3960
2377	warn "unload cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
		3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2379		3964
2380	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3966	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2383		3968
2384	warn "reloading cf.pm";	3969	info "perl_reload: unload completed, starting to reload now";
		3970
		3971	trace "perl_reload: reloading cf.pm";
2385	require cf;	3972	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2387		3974
2388	warn "load config and database again";	3975	trace "perl_reload: loading config and database again";
2389	cf::cfg_load;	3976	cf::reload_config;
2390	cf::db_load;
2391		3977
2392	warn "load extensions";	3978	trace "perl_reload: loading extensions";
2393	cf::load_extensions;	3979	cf::load_extensions;
2394		3980
		3981	if ($REATTACH_ON_RELOAD) {
2395	warn "reattach attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2396	_global_reattach;	3983	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
		3986	trace "perl_reload: reattaching attachments to players";
		3987	reattach $_ for values %PLAYER;
		3988	}
		3989
		3990	cf::_post_init 1;
		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
		3994	1
		3995	} or do {
		3996	error $@;
		3997	cf::cleanup "perl_reload: error, exiting.";
		3998	};
		3999
		4000	--$RELOAD;
		4001	}
		4002
		4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
		4005	};
		4006
		4007	our $RELOAD_WATCHER; # used only during reload
		4008
		4009	sub reload_perl() {
		4010	# doing reload synchronously and two reloads happen back-to-back,
		4011	# coro crashes during coro_state_free->destroy here.
		4012
		4013	$RELOAD_WATCHER ||= cf::async {
		4014	Coro::AIO::aio_wait cache_extensions;
		4015
		4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4017	do_reload_perl;
		4018	undef $RELOAD_WATCHER;
		4019	};
2399	};	4020	};
2400
2401	if ($@) {
2402	warn $@;
2403	warn "error while reloading, exiting.";
2404	exit 1;
2405	}
2406
2407	warn "reloaded";
2408	};
2409
2410	#############################################################################
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	4021	}
2452		4022
2453	register_command "reload" => sub {	4023	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2455		4025
2456	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
		4030	reload_perl;
		4031	};
2460	}	4032	}
2461	};	4033	};
2462		4034
2463	unshift @INC, $LIBDIR;	4035	#############################################################################
2464		4036
2465	$TICK_WATCHER = Event->timer (	4037	my $bug_warning = 0;
2466	reentrant => 0,	4038
2467	prio => 0,	4039	our @WAIT_FOR_TICK;
2468	at => $NEXT_TICK || $TICK,	4040	our @WAIT_FOR_TICK_BEGIN;
2469	data => WF_AUTOCANCEL,	4041
2470	cb => sub {	4042	sub wait_for_tick() {
		4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4044
		4045	my $signal = new Coro::Signal;
		4046	push @WAIT_FOR_TICK, $signal;
		4047	$signal->wait;
		4048	}
		4049
		4050	sub wait_for_tick_begin() {
		4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4052
		4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK_BEGIN, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub tick {
		4059	if ($Coro::current != $Coro::main) {
		4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4061	unless ++$bug_warning > 10;
		4062	return;
		4063	}
		4064
2471	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;
2474		4066
2475	$WAIT_FOR_TICK->broadcast;	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2477		4068
2478	# if we are delayed by four ticks or more, skip them all	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2480		4071	Coro::async_pool {
2481	$TICK_WATCHER->at ($NEXT_TICK);	4072	$Coro::current->{desc} = "runtime saver";
2482	$TICK_WATCHER->start;
2483	},
2484	);
2485
2486	IO::AIO::max_poll_time $TICK * 0.2;
2487
2488	Event->io (
2489	fd => IO::AIO::poll_fileno,
2490	poll => 'r',
2491	prio => 5,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,
2498	after => 0,
2499	interval => 10,
2500	cb => sub {
2501	(Coro::unblock_sub {
2502	write_runtime	4073	write_runtime_sync
2503	or warn "ERROR: unable to write runtime file: $!";	4074	or error "ERROR: unable to write runtime file: $!";
2504	})->();	4075	};
2505	},	4076	}
2506	);	4077
		4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4079	$sig->send;
		4080	}
		4081	while (my $sig = shift @WAIT_FOR_TICK) {
		4082	$sig->send;
		4083	}
		4084
		4085	$LOAD = ($NOW - $TICK_START) / $TICK;
		4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4087
		4088	if (0) {
		4089	if ($NEXT_TICK) {
		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
		4094	}
		4095	}
		4096
		4097	{
		4098	# configure BDB
		4099
		4100	BDB::min_parallel 16;
		4101	BDB::max_poll_reqs $TICK * 0.1;
		4102	$AnyEvent::BDB::WATCHER->priority (1);
		4103
		4104	unless ($DB_ENV) {
		4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4111
		4112	cf::sync_job {
		4113	eval {
		4114	BDB::db_env_open
		4115	$DB_ENV,
		4116	$BDBDIR,
		4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4119	0666;
		4120
		4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4122	};
		4123
		4124	cf::cleanup "db_env_open(db): $@" if $@;
		4125	};
		4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
		4137	}
		4138
		4139	{
		4140	# configure IO::AIO
		4141
		4142	IO::AIO::min_parallel 8;
		4143	IO::AIO::max_poll_time $TICK * 0.1;
		4144	undef $AnyEvent::AIO::WATCHER;
		4145	}
		4146
		4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
		4149
		4150	sub _log_backtrace {
		4151	my ($msg, @addr) = @_;
		4152
		4153	$msg =~ s/\n$//;
		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4158	# limit the # of concurrent backtraces
		4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
		4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
		4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
		4166	my @bt = fork_call {
		4167	@addr = map { sprintf "%x", $_ } @addr;
		4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4170	or die "addr2line: $!";
		4171
		4172	my @funcs;
		4173	my @res = <$fh>;
		4174	chomp for @res;
		4175	while (@res) {
		4176	my ($func, $line) = splice @res, 0, 2, ();
		4177	push @funcs, "[$func] $line";
		4178	}
		4179
		4180	@funcs
		4181	};
		4182
		4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4185	LOG llevInfo, "[ABT] $_\n" for @bt;
		4186	--$_log_backtrace;
		4187	};
		4188	} else {
		4189	LOG llevInfo, "[ABT] $msg\n";
		4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4191	}
		4192	}
		4193
		4194	# load additional modules
		4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
2507		4197
2508	END { cf::emergency_save }	4198	END { cf::emergency_save }
2509		4199
2510	1	4200	1
2511		4201

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