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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 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
		90	our %EXT_MAP = (); # pluggable maps
42		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	93	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
45		96
46	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
47	our $TICK_WATCHER;	98
		99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	123	our $NEXT_TICK;
49	our $NOW;	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
50		132
51	our %CFG;	133	our %CFG;
52		134
53	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
55		138
56	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	141	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		142
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	143	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
63		155
64	binmode STDOUT;	156	binmode STDOUT;
65	binmode STDERR;	157	binmode STDERR;
66		158
67	# read virtual server time, if available	159	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
72	}	164	}
73		165
74	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		167
80	# a special map that is always available	168	mkdir $_
81	our $LINK_MAP;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		170
82	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
		172
		173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
83		189
84	#############################################################################	190	#############################################################################
85		191
86	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
87		193
…		…
94	=item $cf::RUNTIME	200	=item $cf::RUNTIME
95		201
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	203	every server tick.
98		204
99	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		208
101	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
103		213
104	=item $cf::NOW	214	=item $cf::NOW
105		215
106	The time of the last (current) server tick.	216	The time of the last (current) server tick.
107		217
108	=item $cf::TICK	218	=item $cf::TICK
109		219
110	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
111		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
112	=item %cf::CFG	232	=item %cf::CFG
113		233
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	235	from wherever your confdir points to.
116		236
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		238
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
121	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
123		259
124	=back	260	=back
125		261
126	=cut	262	=cut
127		263
128	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
129	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
130	my $msg = join "", @_;	271	my $msg = join "", @_;
131	utf8::encode $msg;
132		272
133	$msg .= "\n"	273	$msg .= "\n"
134	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
135		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
136	LOG llevError, $msg;	278	LOG llevWarn, $msg;
137	};	279	};
138	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
139		294
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		302
147	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	304	# within the Safe compartment.
149	for my $pkg (qw(	305	for my $pkg (qw(
150	cf::global cf::attachable	306	cf::global cf::attachable
151	cf::object cf::object::player	307	cf::object cf::object::player
152	cf::client cf::player	308	cf::client cf::player
153	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
154	cf::map cf::party cf::region	311	cf::party cf::region
155	)) {	312	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	314	}
159		315
160	$Event::DIED = sub {	316	$EV::DIED = sub {
161	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
162	};	318	};
		319
		320	#############################################################################
163		321
164	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
165		323
166	=over 4	324	=over 4
167		325
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	345	$d
188	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
189	}	347	}
190		348
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
194		350
195	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
196		352
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
205		354
206	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
207		356
208	=cut	357	=cut
209		358
210	sub to_json($) {	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	360
212	JSON::Syck::Dump $_[0]	361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
213	}	405	}
214		406
215	=item cf::lock_wait $string	407	=item cf::lock_wait $string
216		408
217	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
218		410
219	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
220		412
221	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
224	returned.	416	returned.
225		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
226	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
228		423
229	=cut	424	=item $locked = cf::lock_active $string
230		425
231	our %LOCK;	426	Return true if the lock is currently active, i.e. somebody has locked it.
		427
		428	=cut
		429
		430	our $LOCKS = new Coro::SemaphoreSet;
232		431
233	sub lock_wait($) {	432	sub lock_wait($) {
234	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	434	}
242		435
243	sub lock_acquire($) {	436	sub lock_acquire($) {
244	my ($key) = @_;	437	$LOCKS->guard ($_[0])
		438	}
245		439
246	# wait, to be sure we are not locked	440	sub lock_active($) {
247	lock_wait $key;	441	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	442	}
256		443
257	sub freeze_mainloop {	444	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
259		446
260	my $guard = Coro::guard { $TICK_WATCHER->start };	447	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	448	}
262	$guard	449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
		514	}
		515	};
		516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
263	}	530	}
264		531
265	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
266		533
267	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		539
273	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
274		541
275	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
276		543
277	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
280		548
281	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
284	fast or be very important.	552	fast or be very important.
…		…
286	=cut	554	=cut
287		555
288	sub sync_job(&) {	556	sub sync_job(&) {
289	my ($job) = @_;	557	my ($job) = @_;
290		558
291	if ($Coro::current == $Coro::main) {	559	if (in_main) {
		560	my $time = AE::time;
		561
292	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
294		564
295	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	566
297	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
298		568
299	my $busy = 1;	569	my $busy = 1;
300	my @res;	570	my @res;
301		571
302	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	574	@res = eval { $job->() };
304	warn $@ if $@;	575	error $@ if $@;
305	undef $busy;	576	undef $busy;
306	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
307		578
308	while ($busy) {	579	while ($busy) {
309	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
310	}	584	}
		585	}
		586
		587	my $time = AE::time - $time;
		588
		589	$TICK_START += $time; # do not account sync jobs to server load
311		590
312	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
313	} else {	592	} else {
314	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
315		594
…		…
335	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
336		615
337	$coro	616	$coro
338	}	617	}
339		618
340	sub write_runtime {	619	=item fork_call { }, @args
341	my $runtime = cf::localdir . "/runtime";
342		620
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	621	Executes the given code block with the given arguments in a seperate
344	or return;	622	process, returning the results. Everything must be serialisable with
		623	Coro::Storable. May, of course, block. Note that the executed sub may
		624	never block itself or use any form of event handling.
345		625
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	626	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		627
350	aio_fsync $fh	628	sub post_fork {
351	and return;	629	reset_signals;
		630	}
352		631
353	close $fh	632	sub fork_call(&@) {
354	or return;	633	my ($cb, @args) = @_;
355		634
356	aio_rename "$runtime~", $runtime	635	# we seemingly have to make a local copy of the whole thing,
357	and return;	636	# otherwise perl prematurely frees the stuff :/
		637	# TODO: investigate and fix (likely this will be rather laborious)
358		638
		639	my @res = Coro::Util::fork_eval {
		640	cf::post_fork;
		641	&$cb
		642	} @args;
		643
		644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
359	1	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
		683	}
		684
		685	=item $value = cf::db_get $family => $key
		686
		687	Returns a single value from the environment database.
		688
		689	=item cf::db_put $family => $key => $value
		690
		691	Stores the given C<$value> in the family. It can currently store binary
		692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
		699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
		720
		721	our $DB;
		722
		723	sub db_init {
		724	$DB ||= db_table "db";
		725	}
		726
		727	sub db_get($$) {
		728	my $key = "$_[0]/$_[1]";
		729
		730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
		733	BDB::db_get $DB, undef, $key, my $data;
		734
		735	$! ? ()
		736	: $data
		737	}
		738
		739	sub db_put($$$) {
		740	BDB::dbreq_pri 4;
		741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		742	}
		743
		744	=item cf::cache $id => [$paths...], $processversion => $process
		745
		746	Generic caching function that returns the value of the resource $id,
		747	caching and regenerating as required.
		748
		749	This function can block.
		750
		751	=cut
		752
		753	sub cache {
		754	my ($id, $src, $processversion, $process) = @_;
		755
		756	my $meta =
		757	join "\x00",
		758	$processversion,
		759	map {
		760	aio_stat $_
		761	and Carp::croak "$_: $!";
		762
		763	($_, (stat _)[7,9])
		764	} @$src;
		765
		766	my $dbmeta = db_get cache => "$id/meta";
		767	if ($dbmeta ne $meta) {
		768	# changed, we may need to process
		769
		770	my @data;
		771	my $md5;
		772
		773	for (0 .. $#$src) {
		774	0 <= aio_load $src->[$_], $data[$_]
		775	or Carp::croak "$src->[$_]: $!";
		776	}
		777
		778	# if processing is expensive, check
		779	# checksum first
		780	if (1) {
		781	$md5 =
		782	join "\x00",
		783	$processversion,
		784	map {
		785	cf::cede_to_tick;
		786	($src->[$_], Digest::MD5::md5_hex $data[$_])
		787	} 0.. $#$src;
		788
		789
		790	my $dbmd5 = db_get cache => "$id/md5";
		791	if ($dbmd5 eq $md5) {
		792	db_put cache => "$id/meta", $meta;
		793
		794	return db_get cache => "$id/data";
		795	}
		796	}
		797
		798	my $t1 = Time::HiRes::time;
		799	my $data = $process->(\@data);
		800	my $t2 = Time::HiRes::time;
		801
		802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		803
		804	db_put cache => "$id/data", $data;
		805	db_put cache => "$id/md5" , $md5;
		806	db_put cache => "$id/meta", $meta;
		807
		808	return $data;
		809	}
		810
		811	db_get cache => "$id/data"
		812	}
		813
		814	=item cf::datalog type => key => value, ...
		815
		816	Log a datalog packet of the given type with the given key-value pairs.
		817
		818	=cut
		819
		820	sub datalog($@) {
		821	my ($type, %kv) = @_;
		822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	823	}
361		824
362	=back	825	=back
363		826
364	=cut	827	=cut
365		828
366	#############################################################################	829	#############################################################################
367		830
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
496		832
497	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
498	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
500		836
501	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	839	Deliantra).
504		840
505	=over 4	841	=over 4
506		842
507	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
508		844
…		…
552	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
553		889
554	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
556		892
557	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
558	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
559		895
560	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
561		897
562	=over 4	898	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	958	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	959	our @CB_MAP = ();
624		960
625	my %attachment;	961	my %attachment;
626		962
		963	sub cf::attachable::thawer_merge {
		964	# simply override everything except _meta
		965	local $_[0]{_meta};
		966	%{$_[0]} = %{$_[1]};
		967	}
		968
627	sub _attach_cb($$$$) {	969	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	970	my ($registry, $event, $prio, $cb) = @_;
629		971
630	use sort 'stable';	972	use sort 'stable';
631		973
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
666		1008
667	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		1013
672	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
674		1016
675	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
680		1022
681	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
682	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
683		1025
684	} elsif (ref $type) {	1026	} elsif (ref $type) {
685	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
686		1028
687	} else {	1029	} else {
688	shift @arg;	1030	shift @arg;
689	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
690	}	1032	}
691	}	1033	}
692	}	1034	}
693		1035
694	sub _object_attach {	1036	sub _object_attach {
…		…
704	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
705	}	1047	}
706		1048
707	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
708	} else {	1050	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
710	}	1052	}
711		1053
712	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
713	}	1055	}
714		1056
…		…
716	if (ref $_[0]) {	1058	if (ref $_[0]) {
717	_object_attach @_;	1059	_object_attach @_;
718	} else {	1060	} else {
719	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
720	}	1062	}
		1063	_recalc_want;
721	};	1064	};
722		1065
723	# all those should be optimised	1066	# all those should be optimised
724	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
729	reattach ($obj);	1072	reattach ($obj);
730	} else {	1073	} else {
731	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
732	}	1075	}
		1076	_recalc_want;
733	};	1077	};
734		1078
735	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
737		1081
…		…
752	";	1096	";
753	die if $@;	1097	die if $@;
754	}	1098	}
755		1099
756	our $override;	1100	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		1102
759	sub override {	1103	sub override {
760	$override = 1;	1104	$override = 1;
761	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
762	}	1106	}
763		1107
764	sub do_invoke {	1108	sub do_invoke {
765	my $event = shift;	1109	my $event = shift;
766	my $callbacks = shift;	1110	my $callbacks = shift;
767		1111
768	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
769		1113
770	local $override;	1114	local $override;
771		1115
772	for (@$callbacks) {	1116	for (@$callbacks) {
773	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
774		1118
775	if ($@) {	1119	if ($@) {
776	warn "$@";
777	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
778	override;	1121	override;
779	}	1122	}
780		1123
781	return 1 if $override;	1124	return 1 if $override;
782	}	1125	}
783		1126
784	0	1127	0
785	}	1128	}
786		1129
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1131
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1133
791	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
792		1135
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1139
797	=back	1140	=back
798		1141
799	=cut	1142	=cut
800		1143
801	#############################################################################	1144	#############################################################################
802	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
803		1188
804	sub reattach {	1189	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1191	my ($obj) = @_;
		1192
		1193	# no longer needed after getting rid of delete_package?
		1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1195
808	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
809		1197
810	@$registry = ();	1198	@$registry = ();
811		1199
…		…
816	for (@$attach) {	1204	for (@$attach) {
817	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
818	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
819	}	1207	}
820	} else {	1208	} else {
821	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
822	}	1210	}
823	}	1211	}
824	}	1212	}
825		1213
826	cf::attachable->attach (	1214	cf::attachable->attach (
827	prio => -1000000,	1215	prio => -1000000,
828	on_instantiate => sub {	1216	on_instantiate => sub {
829	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
830		1218
831	$data = from_json $data;	1219	$data = decode_json $data;
832		1220
833	for (@$data) {	1221	for (@$data) {
834	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
835		1223
836	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1240	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
854		1242
855	sync_job {	1243	sync_job {
856	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
859		1249
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1253	if ($cf::USE_FSYNC) {
		1254	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
863	aio_fsync $fh;	1255	aio_fsync $fh;
		1256	}
864	close $fh;	1257	aio_close $fh;
865		1258
866	if (@$objs) {	1259	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
		1264	if ($cf::USE_FSYNC) {
		1265	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
871	aio_fsync $fh;	1266	aio_fsync $fh;
		1267	}
872	close $fh;	1268	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
874	}	1270	}
875	} else {	1271	} else {
876	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
877	}	1273	}
878		1274
879	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1279	} else {
881	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
882	}	1281	}
883	} else {	1282	} else {
884	aio_unlink $filename;	1283	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
886	}	1285	}
887	}	1286	};
888	}	1287	}
889		1288
890	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
892		1291
…		…
904	or return;	1303	or return;
905		1304
906	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
908	or return;	1307	or return;
		1308
909	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
910	}	1311	}
911		1312
		1313	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
914	return ($data, $av);	1318	($data, $av)
915	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
916		1326
917	#############################################################################	1327	#############################################################################
918	# command handling &c	1328	# command handling &c
919		1329
920	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1344	}
935		1345
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1347
938	Register a callbackf ro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
939		1353
940	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
941	called.	1355	called.
942		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
943	=cut	1368	=cut
944		1369
945	sub register_extcmd {	1370	sub register_extcmd {
946	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
947		1372
948	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
949	}	1374	}
950		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
951	cf::player->attach (	1384	cf::player->attach (
952	on_command => sub {	1385	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
954		1387
955	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
956	or return;	1389	or return;
957		1390
…		…
962	cf::override;	1395	cf::override;
963	},	1396	},
964	on_extcmd => sub {	1397	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
966		1399
967	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1401
969	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
975	} else {	1417	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1419	}
978		1420
979	cf::override;	1421	cf::override;
980	},	1422	},
981	);	1423	);
982		1424
		1425	# "readahead" all extensions
983	sub load_extension {	1426	sub cache_extensions {
984	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
985		1428
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1432	}
990	$pkg = "ext::$pkg";	1433	};
991		1434
992	warn "loading '$path' into '$pkg'\n";	1435	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1436	}
1009		1437
1010	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
1011	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1445	next unless -r $path;
1013	eval {	1446
1014	load_extension $ext;	1447	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1448	my $base = $1;
		1449	my $pkg = $1;
		1450	$pkg =~ s/[^[:word:]]/_/g;
		1451	$pkg = "ext::$pkg";
		1452
		1453	open my $fh, "<:utf8", $path
		1454	or die "$path: $!";
		1455
		1456	my $source = do { local $/; <$fh> };
		1457
		1458	my %ext = (
		1459	path => $path,
		1460	base => $base,
		1461	pkg => $pkg,
		1462	);
		1463
		1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1466
		1467	$ext{source} =
		1468	"package $pkg; use common::sense;\n"
		1469	. "#line 1 \"$path\"\n{\n"
		1470	. $source
		1471	. "\n};\n1";
		1472
		1473	$todo{$base} = \%ext;
		1474	}
		1475
		1476	my $pass = 0;
		1477	my %done;
		1478	while (%todo) {
		1479	my $progress;
		1480
		1481	++$pass;
		1482
		1483	ext:
		1484	while (my ($k, $v) = each %todo) {
		1485	for (split /,\s*/, $v->{meta}{depends}) {
		1486	next ext
		1487	unless exists $done{$_};
		1488	}
		1489
		1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1491
		1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
		1495	error "$v->{path}: $@\n";
		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499
		1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1501	delete $todo{$k};
		1502	} else {
		1503	$done{$k} = delete $todo{$k};
		1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
		1509	}
1015	1	1510	}
1016	} or warn "$ext not loaded: $@";	1511
		1512	unless ($progress) {
		1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
		1520	}
1017	}	1521	};
1018	}	1522	}
1019		1523
1020	#############################################################################	1524	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1525
1023	*cf::mapsupport::on_clean = sub {	1526	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1527
1036	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
1037		1529
1038	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
1039		1531
1040	=cut	1532	=cut
1041		1533
1042	package cf::player;	1534	package cf::player;
1043		1535
…		…
1045		1537
1046	=head3 cf::player	1538	=head3 cf::player
1047		1539
1048	=over 4	1540	=over 4
1049		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
		1555
1050	=item cf::player::find $login	1556	=item cf::player::find $login
1051		1557
1052	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1053		1559
1054	=cut	1560	=cut
1055		1561
1056	sub playerdir($) {	1562	sub playerdir($) {
1057	cf::localdir	1563	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1564	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1565	}
1063		1566
1064	sub path($) {	1567	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1568	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1569
1067	(playerdir $login) . "/$login.pl"	1570	(playerdir $login) . "/playerdata"
1068	}	1571	}
1069		1572
1070	sub find_active($) {	1573	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1574	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1575	and $cf::PLAYER{$_[0]}->active
…		…
1075		1578
1076	sub exists($) {	1579	sub exists($) {
1077	my ($login) = @_;	1580	my ($login) = @_;
1078		1581
1079	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1583	or !aio_stat path $login
1081	}	1584	}
1082		1585
1083	sub find($) {	1586	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1588	my $login = $_[0];
1086		1589
1087	my $guard = cf::lock_acquire "user_find:$login";	1590	my $guard = cf::lock_acquire "user_find:$login";
1088		1591
1089	$cf::PLAYER{$_[0]} || do {	1592	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1593	# rename old playerfiles to new ones
		1594	#TODO: remove when no longer required
		1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1598	aio_unlink +(playerdir $login) . "/$login.pl";
		1599
		1600	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1093	}	1609	}
1094	}	1610	}
1095	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1096		1625
1097	sub save($) {	1626	sub save($) {
1098	my ($pl) = @_;	1627	my ($pl) = @_;
1099		1628
1100	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1105	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1106		1635
1107	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1109		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1110	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1111	Coro::cede;	1645	cf::cede_to_tick;
1112	}	1646	}
1113		1647
1114	sub new($) {	1648	sub new($) {
1115	my ($login) = @_;	1649	my ($login) = @_;
1116		1650
…		…
1122	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1123		1657
1124	$self	1658	$self
1125	}	1659	}
1126		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1127	=item $pl->quit_character	1671	=item $pl->quit_character
1128		1672
1129	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1131		1675
1132	=cut	1676	=cut
1133		1677
1134	sub quit_character {	1678	sub quit_character {
1135	my ($pl) = @_;	1679	my ($pl) = @_;
1136		1680
		1681	my $name = $pl->ob->name;
		1682
1137	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1139		1685
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1141	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1143	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1144		1694
1145	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1698	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1699	$pl->destroy;
		1700
		1701	my $prefix = qr<^~\Q$name\E/>;
		1702
		1703	# nuke player maps
		1704	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1705
1150	IO::AIO::aio_rmtree $temp;	1706	IO::AIO::aio_rmtree $temp;
		1707	}
		1708
		1709	=item $pl->kick
		1710
		1711	Kicks a player out of the game. This destroys the connection.
		1712
		1713	=cut
		1714
		1715	sub kick {
		1716	my ($pl, $kicker) = @_;
		1717
		1718	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1719	$pl->killer ("kicked");
		1720	$pl->ns->destroy;
1151	}	1721	}
1152		1722
1153	=item cf::player::list_logins	1723	=item cf::player::list_logins
1154		1724
1155	Returns am arrayref of all valid playernames in the system, can take a	1725	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1726	while and may block, so not sync_job-capable, ever.
1157		1727
1158	=cut	1728	=cut
1159		1729
1160	sub list_logins {	1730	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1731	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1732	or return [];
1163		1733
1164	my @logins;	1734	my @logins;
1165		1735
1166	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1170		1746
1171	utf8::decode $login;	1747	utf8::decode $login;
1172	push @logins, $login;	1748	push @logins, $login;
1173	}	1749	}
1174		1750
1175	\@logins	1751	\@logins
1176	}	1752	}
1177		1753
1178	=item $player->maps	1754	=item $player->maps
1179		1755
		1756	=item cf::player::maps $login
		1757
1180	Returns an arrayref of cf::path's of all maps that are private for this	1758	Returns an arrayref of map paths that are private for this
1181	player. May block.	1759	player. May block.
1182		1760
1183	=cut	1761	=cut
1184		1762
1185	sub maps($) {	1763	sub maps($) {
1186	my ($pl) = @_;	1764	my ($pl) = @_;
		1765
		1766	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1767
1188	my $files = aio_readdir playerdir $pl	1768	my $files = aio_readdir playerdir $pl
1189	or return;	1769	or return;
1190		1770
1191	my @paths;	1771	my @paths;
…		…
1193	for (@$files) {	1773	for (@$files) {
1194	utf8::decode $_;	1774	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1775	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1776	next unless /^$PATH_SEP/o;
1197		1777
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1778	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1779	}
1200		1780
1201	\@paths	1781	\@paths
1202	}	1782	}
1203		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1205		1789
1206	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1207		1791
1208	=cut	1792	=cut
1209		1793
1210	sub ext_reply($$$%) {	1794	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1212		1796
1213	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1798	}
1217		1799
1218	package cf;	1800	=item $player->ext_msg ($type, @msg)
		1801
		1802	Sends an ext event to the client.
		1803
		1804	=cut
		1805
		1806	sub ext_msg($$@) {
		1807	my ($self, $type, @msg) = @_;
		1808
		1809	$self->ns->ext_msg ($type, @msg);
		1810	}
		1811
		1812	=head3 cf::region
		1813
		1814	=over 4
		1815
		1816	=cut
		1817
		1818	package cf::region;
		1819
		1820	=item cf::region::find_by_path $path
		1821
		1822	Tries to decuce the likely region for a map knowing only its path.
		1823
		1824	=cut
		1825
		1826	sub find_by_path($) {
		1827	my ($path) = @_;
		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
		1831	my ($match, $specificity);
		1832
		1833	for my $region (list) {
		1834	if ($region->{match} && $path =~ $region->{match}) {
		1835	($match, $specificity) = ($region, $region->specificity)
		1836	if $region->specificity > $specificity;
		1837	}
		1838	}
		1839
		1840	$match
		1841	}
1219		1842
1220	=back	1843	=back
1221
1222		1844
1223	=head3 cf::map	1845	=head3 cf::map
1224		1846
1225	=over 4	1847	=over 4
1226		1848
…		…
1229	package cf::map;	1851	package cf::map;
1230		1852
1231	use Fcntl;	1853	use Fcntl;
1232	use Coro::AIO;	1854	use Coro::AIO;
1233		1855
		1856	use overload
		1857	'""' => \&as_string,
		1858	fallback => 1;
		1859
1234	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1236		1862
1237	sub generate_random_map {	1863	sub generate_random_map {
		1864	my ($self, $rmp) = @_;
		1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
		1868	$self->_create_random_map ($rmp);
		1869	}
		1870
		1871	=item cf::map->register ($regex, $prio)
		1872
		1873	Register a handler for the map path matching the given regex at the
		1874	givne priority (higher is better, built-in handlers have priority 0, the
		1875	default).
		1876
		1877	=cut
		1878
		1879	sub register {
		1880	my (undef, $regex, $prio) = @_;
		1881	my $pkg = caller;
		1882
		1883	push @{"$pkg\::ISA"}, __PACKAGE__;
		1884
		1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1886	}
		1887
		1888	# also paths starting with '/'
		1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1890
		1891	sub thawer_merge {
		1892	my ($self, $merge) = @_;
		1893
		1894	# we have to keep some variables in memory intact
		1895	local $self->{path};
		1896	local $self->{load_path};
		1897
		1898	$self->SUPER::thawer_merge ($merge);
		1899	}
		1900
		1901	sub normalise {
1238	my ($path, $rmp) = @_;	1902	my ($path, $base) = @_;
1239		1903
1240	# mit "rum" bekleckern, nicht	1904	$path = "$path"; # make sure it's a string
1241	cf::map::_create_random_map	1905
		1906	$path =~ s/\.map$//;
		1907
		1908	# map plan:
		1909	#
		1910	# /! non-realised random map exit (special hack!)
		1911	# {... are special paths that are not being touched
		1912	# ?xxx/... are special absolute paths
		1913	# ?random/... random maps
		1914	# /... normal maps
		1915	# ~user/... per-player map of a specific user
		1916
		1917	$path =~ s/$PATH_SEP/\//go;
		1918
		1919	# treat it as relative path if it starts with
		1920	# something that looks reasonable
		1921	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1922	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1923
		1924	$base =~ s{[^/]+/?$}{};
		1925	$path = "$base/$path";
		1926	}
		1927
		1928	for ($path) {
		1929	redo if s{/\.?/}{/};
		1930	redo if s{/[^/]+/\.\./}{/};
		1931	}
		1932
1242	$path,	1933	$path
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})
1254	}	1934	}
1255		1935
1256	# and all this just because we cannot iterate over	1936	sub new_from_path {
1257	# all maps in C++...	1937	my (undef, $path, $base) = @_;
1258	sub change_all_map_light {	1938
		1939	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1940
		1941	$path = normalise $path, $base;
		1942
		1943	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1944	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1945	my $self = bless cf::map::new, $pkg;
		1946	$self->{path} = $path; $self->path ($path);
		1947	$self->init; # pass $1 etc.
		1948	return $self;
		1949	}
		1950	}
		1951
		1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1953	()
		1954	}
		1955
		1956	sub init {
1259	my ($change) = @_;	1957	my ($self) = @_;
1260		1958
1261	$_->change_map_light ($change)	1959	$self
1262	for grep $_->outdoor, values %cf::MAP;
1263	}	1960	}
1264		1961
		1962	sub as_string {
		1963	my ($self) = @_;
		1964
		1965	"$self->{path}"
		1966	}
		1967
		1968	# the displayed name, this is a one way mapping
		1969	sub visible_name {
		1970	&as_string
		1971	}
		1972
		1973	# the original (read-only) location
		1974	sub load_path {
		1975	my ($self) = @_;
		1976
		1977	"$MAPDIR/$self->{path}.map"
		1978	}
		1979
		1980	# the temporary/swap location
		1981	sub save_path {
		1982	my ($self) = @_;
		1983
		1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1985	"$TMPDIR/$path.map"
		1986	}
		1987
		1988	# the unique path, undef == no special unique path
		1989	sub uniq_path {
		1990	my ($self) = @_;
		1991
		1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1993	"$UNIQUEDIR/$path"
		1994	}
		1995
		1996	sub decay_objects {
		1997	my ($self) = @_;
		1998
		1999	return if $self->{deny_reset};
		2000
		2001	$self->do_decay_objects;
		2002	}
		2003
		2004	sub unlink_save {
		2005	my ($self) = @_;
		2006
		2007	utf8::encode (my $save = $self->save_path);
		2008	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2009	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2010	}
		2011
1265	sub try_load_header($) {	2012	sub load_header_from($) {
1266	my ($path) = @_;	2013	my ($self, $path) = @_;
1267		2014
1268	utf8::encode $path;	2015	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1270	or return;	2017	or return;
1271		2018
1272	my $map = cf::map::new	2019	$self->_load_header ($f)
1273	or return;	2020	or return;
1274		2021
1275	# for better error messages only, will be overwritten	2022	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	2023	$f->resolve_delayed_derefs;
1277		2024
1278	$map->load_header ($path)	2025	$self->{load_path} = $path;
		2026
		2027	1
		2028	}
		2029
		2030	sub load_header_orig {
		2031	my ($self) = @_;
		2032
		2033	$self->load_header_from ($self->load_path)
		2034	}
		2035
		2036	sub load_header_temp {
		2037	my ($self) = @_;
		2038
		2039	$self->load_header_from ($self->save_path)
		2040	}
		2041
		2042	sub prepare_temp {
		2043	my ($self) = @_;
		2044
		2045	$self->last_access ((delete $self->{last_access})
		2046	|| $cf::RUNTIME); #d#
		2047	# safety
		2048	$self->{instantiate_time} = $cf::RUNTIME
		2049	if $self->{instantiate_time} > $cf::RUNTIME;
		2050	}
		2051
		2052	sub prepare_orig {
		2053	my ($self) = @_;
		2054
		2055	$self->{load_original} = 1;
		2056	$self->{instantiate_time} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058	$self->instantiate;
		2059	}
		2060
		2061	sub load_header {
		2062	my ($self) = @_;
		2063
		2064	if ($self->load_header_temp) {
		2065	$self->prepare_temp;
		2066	} else {
		2067	$self->load_header_orig
1279	or return;	2068	or return;
		2069	$self->prepare_orig;
		2070	}
1280		2071
1281	$map->{load_path} = $path;	2072	$self->{deny_reset} = 1
		2073	if $self->no_reset;
1282		2074
1283	$map	2075	$self->default_region (cf::region::find_by_path $self->{path})
		2076	unless $self->default_region;
		2077
		2078	1
1284	}	2079	}
1285		2080
1286	sub find;	2081	sub find;
1287	sub find {	2082	sub find {
1288	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1289		2084
1290	#warn "find<$path,$origin>\n";#d#	2085	cf::cede_to_tick;
1291		2086
1292	$path = new cf::path $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		2088
1295	cf::lock_wait "map_find:$key";	2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1299		2091
1300	# do it the slow way	2092	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	2093	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	2094	or return;
1319		2095
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1332		2097
1333	Coro::cede;	2098	$map->load_header
		2099	or return;
1334		2100
1335	if ($map->should_reset) {	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2102	# doing this can freeze the server in a sync job, obviously
		2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1336	$map->reset;	2106	$map->reset;
1337	undef $guard;
1338	$map = find $path	2107	return find $path;
1339	or return;
1340	}	2108	}
1341		2109
1342	$cf::MAP{$key} = $map	2110	$cf::MAP{$path} = $map
1343	}	2111	}
1344	}	2112	}
		2113
		2114	sub pre_load { }
		2115	#sub post_load { } # XS
1345		2116
1346	sub load {	2117	sub load {
1347	my ($self) = @_;	2118	my ($self) = @_;
1348		2119
		2120	local $self->{deny_reset} = 1; # loading can take a long time
		2121
1349	my $path = $self->{path};	2122	my $path = $self->{path};
		2123
		2124	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2125	my $guard = cf::lock_acquire "map_data:$path";
1351		2126
		2127	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2129
1354	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1355		2131
1356	$self->alloc;	2132	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2133
		2134	$self->pre_load;
		2135	cf::cede_to_tick;
		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
		2139	$self->_load_objects ($f)
1358	or return;	2140	or return;
1359		2141
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1361	if delete $self->{load_original};	2143	if delete $self->{load_original};
1362		2144
1363	if (my $uniq = $path->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2146	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2149	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1368	}	2153	}
1369	}	2154	}
1370		2155
1371	Coro::cede;	2156	$f->resolve_delayed_derefs;
1372		2157
		2158	cf::cede_to_tick;
1373	# now do the right thing for maps	2159	# now do the right thing for maps
1374	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2162	unless $self->difficulty;
		2163	cf::cede_to_tick;
		2164
		2165	unless ($self->{deny_activate}) {
		2166	$self->decay_objects;
		2167	$self->fix_auto_apply;
		2168	$self->update_buttons;
		2169	cf::cede_to_tick;
1386	$self->activate;	2170	$self->activate;
1387	}	2171	}
1388		2172
1389	Coro::cede;	2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
1390		2175
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
		2177	}
		2178
		2179	$self->post_load;
		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
		2187	sub customise_for {
		2188	my ($self, $ob) = @_;
		2189
		2190	return find "~" . $ob->name . "/" . $self->{path}
		2191	if $self->per_player;
		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
		2196	$self
1392	}	2197	}
1393		2198
1394	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2200	sub load_neighbours {
1396	my ($map) = @_;	2201	my ($map) = @_;
1397		2202
1398	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1399		2204
1400	for (0 .. 3) {	2205	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1402	or next;	2207	or next;
1403	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1404	or next;	2209	or next;
1405	$neigh->load;	2210	$neigh->load;
1406		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2216	}
1410		2217
1411	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1413	or next;	2221	or next;
1414	$neigh->load;	2222	$neigh->load;
1415	}	2223	}
1416	}	2224	}
1417		2225
1418	sub find_sync {	2226	sub find_sync {
1419	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1420		2228
1421	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1422	}	2233	}
1423		2234
1424	sub do_load_sync {	2235	sub do_load_sync {
1425	my ($map) = @_;	2236	my ($map) = @_;
1426		2237
1427	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1428	}	2242	}
1429		2243
1430	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
		2245	our $MAP_PREFETCHER = undef;
		2246
		2247	sub find_async {
		2248	my ($path, $origin, $load) = @_;
		2249
		2250	$path = normalise $path, $origin && $origin->{path};
		2251
		2252	if (my $map = $cf::MAP{$path}) {
		2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2254	}
		2255
		2256	$MAP_PREFETCH{$path} |= $load;
		2257
1431	our $MAP_PREFETCHER = Coro::async {	2258	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2259	$Coro::current->{desc} = "map prefetcher";
		2260
1433	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2263	if (my $map = find $k) {
		2264	$map->load if $v;
		2265	}
		2266
1436	my $path = delete $MAP_PREFETCH{$key};	2267	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2268	}
1442	Coro::schedule;	2269	}
		2270	undef $MAP_PREFETCHER;
1443	}	2271	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2272	$MAP_PREFETCHER->prio (6);
1458		2273
1459	()	2274	()
		2275	}
		2276
		2277	# common code, used by both ->save and ->swapout
		2278	sub _save {
		2279	my ($self) = @_;
		2280
		2281	$self->{last_save} = $cf::RUNTIME;
		2282
		2283	return unless $self->dirty;
		2284
		2285	my $save = $self->save_path; utf8::encode $save;
		2286	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2287
		2288	$self->{load_path} = $save;
		2289
		2290	return if $self->{deny_save};
		2291
		2292	local $self->{last_access} = $self->last_access;#d#
		2293
		2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
		2296	$_->contr->save for $self->players;
		2297	};
		2298
		2299	cf::get_slot 0.02;
		2300
		2301	if ($uniq) {
		2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2304	} else {
		2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2306	}
1460	}	2307	}
1461		2308
1462	sub save {	2309	sub save {
1463	my ($self) = @_;	2310	my ($self) = @_;
1464		2311
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2313
1467	$self->{last_save} = $cf::RUNTIME;	2314	$self->_save;
1468
1469	return unless $self->dirty;
1470
1471	my $save = $self->{path}->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1473
1474	$self->{load_path} = $save;
1475
1476	return if $self->{deny_save};
1477
1478	local $self->{last_access} = $self->last_access;#d#
1479
1480	cf::async {
1481	$_->contr->save for $self->players;
1482	};
1483
1484	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}
1490	}	2315	}
1491		2316
1492	sub swap_out {	2317	sub swap_out {
1493	my ($self) = @_;	2318	my ($self) = @_;
1494		2319
1495	# save first because save cedes
1496	$self->save;
1497
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1500	return if $self->players;	2324	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};
1503		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1504	$self->clear;	2335	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2336	}
1507		2337
1508	sub reset_at {	2338	sub reset_at {
1509	my ($self) = @_;	2339	my ($self) = @_;
1510		2340
1511	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1514		2343
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2346
…		…
1522	my ($self) = @_;	2351	my ($self) = @_;
1523		2352
1524	$self->reset_at <= $cf::RUNTIME	2353	$self->reset_at <= $cf::RUNTIME
1525	}	2354	}
1526		2355
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2356	sub reset {
1549	my ($self) = @_;	2357	my ($self) = @_;
1550		2358
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2360
1553	return if $self->players;	2361	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2362
1556	warn "resetting map ", $self->path;#d#	2363	cf::trace "resetting map ", $self->path, "\n";
		2364
		2365	$self->in_memory (cf::MAP_SWAPPED);
		2366
		2367	# need to save uniques path
		2368	unless ($self->{deny_save}) {
		2369	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2370
		2371	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2372	if $uniq;
		2373	}
1557		2374
1558	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1559		2376
		2377	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2378	$_->clear_links_to ($self) for values %cf::MAP;
		2379	$self->clear;
1561		2380
1562	$self->unlink_save;	2381	$self->unlink_save;
1563	$self->destroy;	2382	$self->destroy;
1564	}	2383	}
1565		2384
1566	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1567		2386
1568	sub nuke {	2387	sub nuke {
1569	my ($self) = @_;	2388	my ($self) = @_;
1570		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
		2393	delete $cf::MAP{$self->path};
		2394
		2395	$self->unlink_save;
		2396
		2397	bless $self, "cf::map::wrap";
		2398	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2402
		2403	$cf::MAP{$self->path} = $self;
		2404	}
		2405
1574	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
1575	}	2407	}
1576		2408
1577	sub customise_for {	2409	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2410
1580	if ($map->per_player) {	2411	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2412	maps. May block.
		2413
		2414	=cut
		2415
		2416	sub tmp_maps() {
1582	}	2417	[
		2418	map {
		2419	utf8::decode $_;
		2420	/\.map$/
		2421	? normalise $_
		2422	: ()
		2423	} @{ aio_readdir $TMPDIR or [] }
		2424	]
		2425	}
1583		2426
1584	$map	2427	=item $maps = cf::map::random_maps
		2428
		2429	Returns an arrayref with all map paths of currently instantiated and saved
		2430	random maps. May block.
		2431
		2432	=cut
		2433
		2434	sub random_maps() {
		2435	[
		2436	map {
		2437	utf8::decode $_;
		2438	/\.map$/
		2439	? normalise "?random/$_"
		2440	: ()
		2441	} @{ aio_readdir $RANDOMDIR or [] }
		2442	]
1585	}	2443	}
1586		2444
1587	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1588		2446
1589	Returns an arrayref of cf::path's of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2448	instantiated unique items. May block.
1591		2449
1592	=cut	2450	=cut
1593		2451
1594	sub unique_maps() {	2452	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2453	[
1596	or return;	2454	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2455	utf8::decode $_;
1602	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2458	? ()
1605	push @paths, new cf::path $_;	2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2461	]
1607
1608	\@paths
1609	}	2462	}
1610		2463
1611	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1612		2495
1613	=back	2496	=back
1614		2497
1615	=head3 cf::object	2498	=head3 cf::object
1616		2499
…		…
1620		2503
1621	=over 4	2504	=over 4
1622		2505
1623	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1624		2507
1625	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
1626		2510
1627	=cut	2511	=cut
1628		2512
1629	sub inv_recursive_;	2513	sub inv_recursive_;
1630	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1633		2517
1634	sub inv_recursive {	2518	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1636	}	2520	}
1637		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
1638	package cf;	2550	package cf;
1639		2551
1640	=back	2552	=back
1641		2553
1642	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1651		2563
1652	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
1653		2579
1654	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2581	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1659		2585
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2587
1662	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1664	} else {	2591	} else {
		2592	my $pl = $self->contr;
		2593
		2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2595	my $dialog = $pl->{npc_dialog};
		2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2597
		2598	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1667	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
1668	}	2613	}
1669		2614
1670	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1671		2616
1672	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1685		2630
1686	=item $player_object->enter_link	2631	=item $player_object->enter_link
1687		2632
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2634
1690	The player should be reaosnably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
1691	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
		2639
		2640	Will never block.
1692		2641
1693	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1694		2643
1695	Moves the player out of the specila link map onto the given map. If the	2644	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2645	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2646	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2647	fails, to the emergency map position.
1699		2648
1700	Might block.	2649	Might block.
1701		2650
1702	=cut	2651	=cut
		2652
		2653	sub link_map {
		2654	unless ($LINK_MAP) {
		2655	$LINK_MAP = cf::map::find "{link}"
		2656	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2657	$LINK_MAP->load;
		2658	}
		2659
		2660	$LINK_MAP
		2661	}
1703		2662
1704	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2664	my ($self) = @_;
1706		2665
1707	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1708		2667
1709	return if $self->map == $LINK_MAP;	2668	++$self->{_link_recursion};
		2669
		2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2671
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1713		2674
1714	$self->enter_map ($LINK_MAP, 20, 20);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1715	}	2676	}
1716		2677
1717	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1719		2682
1720	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1721		2684
1722	unless ($map) {	2685	unless ($map) {
1723	# restore original map position	2686	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1736		2699
1737	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1740		2703
1741	$map->load;	2704	$map->load;
1742	$map->load_diag;	2705	$map->load_neighbours;
1743		2706
1744	return unless $self->contr->active;	2707	return unless $self->contr->active;
		2708
		2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2710	if ($self->enter_map ($map, $x, $y)) {
		2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2714	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}
1748
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},	2715	}
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2716
1763	# try to abort aborted map switching on player login :)	2717	}
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2718
1781	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1782		2720
		2721	Moves the player to the given map-path and coordinates by first freezing
		2722	her, loading and preparing them map, calling the provided $check callback
		2723	that has to return the map if sucecssful, and then unfreezes the player on
		2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
1783	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1784		2733
1785	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2736
1788	$path = new cf::path $path;	2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
		2743	# do generation counting so two concurrent goto's will be executed in-order
		2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2745
1790	$self->enter_link;	2746	$self->enter_link;
1791		2747
1792	(async {	2748	(async {
1793	my $map = cf::map::find $path->as_string;	2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
		2770	my $map = eval {
		2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
1795		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2776	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	}
1800		2779
		2780	$map
		2781	};
		2782
		2783	if ($@) {
		2784	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2785	LOG llevError | logBacktrace, Carp::longmess $@;
		2786	}
		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1802	})->prio (1);	2794	})->prio (1);
1803	}	2795	}
1804		2796
1805	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1806		2798
…		…
1808		2800
1809	sub parse_random_map_params {	2801	sub parse_random_map_params {
1810	my ($spec) = @_;	2802	my ($spec) = @_;
1811		2803
1812	my $rmp = { # defaults	2804	my $rmp = { # defaults
1813	xsize => 10,	2805	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2806	ysize => (cf::rndm 15, 40),
		2807	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2808	#layout => string,
1815	};	2809	};
1816		2810
1817	for (split /\n/, $spec) {	2811	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2812	my ($k, $v) = split /\s+/, $_, 2;
1819		2813
…		…
1831	# that depends on the exit object	2825	# that depends on the exit object
1832		2826
1833	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
1834		2828
1835	if ($exit->map) {	2829	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2830	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
1840	}	2836	}
1841		2837
1842	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
1843		2839
1844	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
		2842	my $meta = "$RANDOMDIR/$md5.meta";
1846		2843
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
		2846	undef $fh;
		2847	aio_rename "$meta~", $meta;
1849		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
1852	}	2855	}
1853	}	2856	}
1854		2857
1855	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
1859		2862
1860	$self->enter_link;	2863	$self->enter_link;
1861		2864
1862	(async {	2865	(async {
1863	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
1864	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
1865	prepare_random_map $exit	2875	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2876	if $exit->slaying eq "/!";
		2877	}
1867		2878
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
1870		2882
		2883	$self->goto ($map, $x, $y);
		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
1871	1;	2889	1
1872	}) {	2890	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2895
1878	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
1879	$self->leave_link;	2897	$self->leave_link;
1880	}	2898	}
1881	})->prio (1);	2899	})->prio (1);
1882	}	2900	}
1883		2901
…		…
1894		2912
1895	sub cf::client::send_drawinfo {	2913	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2914	my ($self, $text, $flags) = @_;
1897		2915
1898	utf8::encode $text;	2916	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2918	}
1901		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
		3107	=item $client->ext_msg ($type, @msg)
		3108
		3109	Sends an ext event to the client.
		3110
		3111	=cut
		3112
		3113	sub cf::client::ext_msg($$@) {
		3114	my ($self, $type, @msg) = @_;
		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
		3119	push @msg, msgtype => "event_$type";
		3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
		3140	}
1902		3141
1903	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
1904		3143
1905	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3145	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		3147
1909	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	3149	become reliable at some point in the future.
1911		3150
1912	=cut	3151	=cut
1913		3152
1914	sub cf::client::query {	3153	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	3162	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		3164
1926	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
1928	}	3169	}
1929		3170
1930	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
1931	on_reply => sub {	3177	on_reply => sub {
1932	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
1933		3179
1934	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
1935	# get handled first	3181	# get handled first
1936	my $queue = delete $ns->{query_queue}	3182	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3183	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3184
1939	(shift @$queue)->[1]->($msg);	3185	(shift @$queue)->[1]->($msg);
		3186	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3187
1941	push @{ $ns->{query_queue} }, @$queue;	3188	push @{ $ns->{query_queue} }, @$queue;
1942		3189
1943	if (@{ $ns->{query_queue} } == @$queue) {	3190	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3191	if (@$queue) {
…		…
1946	} else {	3193	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3195	}
1949	}	3196	}
1950	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
1951	);	3224	);
1952		3225
1953	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
1954		3227
1955	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
1971		3244
1972	$coro	3245	$coro
1973	}	3246	}
1974		3247
1975	cf::client->attach (	3248	cf::client->attach (
1976	on_destroy => sub {	3249	on_client_destroy => sub {
1977	my ($ns) = @_;	3250	my ($ns) = @_;
1978		3251
1979	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1980	},	3253	},
1981	);	3254	);
…		…
1996	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
1998		3271
1999	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2000		3273
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2002		3279
2003	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2004		3281
2005	=pod	3282	=pod
2006		3283
2007	The following fucntions and emthods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2008		3285
2009	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2010	cf::object::player player	3291	cf::object::player
2011	cf::player peaceful	3292	player
2012	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2013		3299
2014	=cut	3300	=cut
2015		3301
2016	for (	3302	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2021	) {	3309	) {
2022	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2025	for @funs;	3312	for @funs;
2026	}	3313	}
2027		3314
…		…
2042		3329
2043	my $qcode = $code;	3330	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2046		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2047	local $_;	3337	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;
2049		3338
2050	my $eval =	3339	my $eval =
2051	"do {\n"	3340	"do {\n"
2052	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2053	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2054	. $code	3343	. $code
2055	. "\n}"	3344	. "\n}"
2056	;	3345	;
2057		3346
		3347	if ($CFG{safe_eval}) {
2058	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2059	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2060	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2061		3356
2062	if ($@) {	3357	if ($@) {
2063	warn "$@";	3358	warn "$@",
2064	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2065	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2066	}	3361	}
2067		3362
2068	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2069	}	3364	}
2070		3365
…		…
2084	=cut	3379	=cut
2085		3380
2086	sub register_script_function {	3381	sub register_script_function {
2087	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2088		3383
2089	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2090	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2091	}	3386	}
2092		3387
2093	=back	3388	=back
2094		3389
2095	=cut	3390	=cut
2096		3391
2097	#############################################################################	3392	#############################################################################
		3393	# the server's init and main functions
2098		3394
2099	=head2 EXTENSION DATABASE SUPPORT	3395	sub load_facedata($) {
		3396	my ($path) = @_;
2100		3397
2101	Crossfire maintains a very simple database for extension use. It can	3398	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3399	# for this (global event?)
2103	excludes objects.	3400	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3401
2105	The parameter C<$family> should best start with the name of the extension	3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3403
2108	=over 4	3404	trace "loading facedata from $path\n";
2109		3405
2110	=item $hashref = cf::db_get $family	3406	0 < aio_load $path, my $facedata
		3407	or die "$path: $!";
2111		3408
2112	Return a hashref for use by the extension C<$family>, which can be	3409	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3410
2116	=item $value = cf::db_get $family => $key	3411	$facedata->{version} == 2
		3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3413
2118	Returns a single value from the database	3414	# patch in the exptable
2119		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2120	=item cf::db_put $family => $hashref	3416	$facedata->{resource}{"res/exp_table"} = {
2121		3417	type => FT_RSRC,
2122	Stores the given family hashref into the database. Updates are delayed, if	3418	data => $exp_table,
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3419	hash => (Digest::MD5::md5 $exp_table),
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3420	};
		3421	cf::cede_to_tick;
2171		3422
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3423	{
		3424	my $faces = $facedata->{faceinfo};
2176		3425
2177	sub db_get($;$) {	3426	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3428
2183	sub db_put($$;$) {	3429	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3430	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2186	} else {	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2187	$DB->{$_[0]} = $_[1];	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2188	}
2189	db_dirty;
2190	}
2191		3434
2192	cf::global->attach (	3435	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3436	}
2197	);
2198	}
2199		3437
2200	#############################################################################	3438	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3439	next unless $info->{smooth};
2202		3440
2203	sub cfg_load {	3441	my $idx = cf::face::find $face
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3442	or next;
2205	or return;
2206		3443
2207	local $/;	3444	if (my $smooth = cf::face::find $info->{smooth}) {
2208	*CFG = YAML::Syck::Load <$fh>;	3445	cf::face::set_smooth $idx, $smooth;
		3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3447	} else {
		3448	error "smooth face '$info->{smooth}' not found for face '$face'";
		3449	}
2209		3450
		3451	cf::cede_to_tick;
		3452	}
		3453	}
		3454
		3455	{
		3456	my $anims = $facedata->{animinfo};
		3457
		3458	while (my ($anim, $info) = each %$anims) {
		3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3460	cf::cede_to_tick;
		3461	}
		3462
		3463	cf::anim::invalidate_all; # d'oh
		3464	}
		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
		3485	1
		3486	}
		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
		3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
		3511	load_resource_file "$MAPDIR/regions"
		3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
		3518	}
		3519
		3520	sub reload_facedata {
		3521	load_facedata "$DATADIR/facedata"
		3522	or die "unable to load facedata\n";
		3523	}
		3524
		3525	sub reload_archetypes {
		3526	load_resource_file "$DATADIR/archetypes"
		3527	or die "unable to load archetypes\n";
		3528	}
		3529
		3530	sub reload_treasures {
		3531	load_resource_file "$DATADIR/treasures"
		3532	or die "unable to load treasurelists\n";
		3533	}
		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
		3558	sub reload_resources {
		3559	trace "reloading resource files...\n";
		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
		3566	reload_regions;
		3567	reload_treasures;
		3568
		3569	trace "finished reloading resource files\n";
		3570	}
		3571
		3572	sub reload_config {
		3573	trace "reloading config file...\n";
		3574
		3575	0 < aio_load "$CONFDIR/config", my $config
		3576	or die "$CONFDIR/config: $!";
		3577
		3578	utf8::decode $config;
		3579	*CFG = yaml_load $config;
		3580
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2211		3582
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2214		3585
2215	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2219	};	3590	};
2220	warn $@ if $@;	3591	warn $@ if $@;
2221	}	3592	}
2222	}	3593	}
2223		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2224	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2225	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3636	(async {
		3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
		3639	})->prio (Coro::PRIO_MAX);
2229	};	3640	};
2230		3641
2231	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
2232	db_load;	3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
		3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2233	load_extensions;	3665	load_extensions;
2234	Event::loop;	3666
		3667	utime time, time, $RUNTIMEFILE;
		3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2235	}	3685	}
2236		3686
2237	#############################################################################	3687	#############################################################################
2238	# initialisation and cleanup	3688	# initialisation and cleanup
2239		3689
2240	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2241	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2248	},
2249	);	3696	};
		3697	}
		3698	}
		3699
		3700	sub write_runtime_sync {
		3701	my $t0 = AE::time;
		3702
		3703	# first touch the runtime file to show we are still running:
		3704	# the fsync below can take a very very long time.
		3705
		3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3707
		3708	my $guard = cf::lock_acquire "write_runtime";
		3709
		3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3711	or return;
		3712
		3713	my $value = $cf::RUNTIME + 90 + 10;
		3714	# 10 is the runtime save interval, for a monotonic clock
		3715	# 60 allows for the watchdog to kill the server.
		3716
		3717	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3718	and return;
		3719
		3720	# always fsync - this file is important
		3721	aio_fsync $fh
		3722	and return;
		3723
		3724	# touch it again to show we are up-to-date
		3725	aio_utime $fh, undef, undef;
		3726
		3727	close $fh
		3728	or return;
		3729
		3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3731	and return;
		3732
		3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3734
2250	}	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2251	}	3786	}
2252		3787
2253	sub emergency_save() {	3788	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2255		3790
2256	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2257		3797
2258	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2259	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3809	$pl->save;
2267	}	3810	}
2268	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2269		3812
2270	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3818	$map->valid or next;
2274	$map->save;	3819	$map->save;
2275	}	3820	}
2276	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
		3822
		3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
		3826	BDB::db_env_txn_checkpoint $DB_ENV;
		3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2277	};	3851	};
2278		3852
2279	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2280	}	3854	}
2281		3855
		3856	sub post_cleanup {
		3857	my ($make_core) = @_;
		3858
		3859	IO::AIO::flush;
		3860
		3861	error Carp::longmess "post_cleanup backtrace"
		3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
		3891	}
		3892
2282	sub reload() {	3893	sub do_reload_perl() {
2283	# can/must only be called in main	3894	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2285	warn "can only reload from main coroutine\n";	3896	error "can only reload from main coroutine";
2286	return;	3897	return;
2287	}	3898	}
2288		3899
2289	warn "reloading...";	3900	return if $RELOAD++;
2290		3901
2291	warn "freezing server";	3902	my $t1 = AE::time;
2292	my $guard = freeze_mainloop;	3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
		3910	cf::sync_job {
2293	cf::emergency_save;	3911	#cf::emergency_save;
2294		3912
2295	warn "sync database to disk";	3913	trace "perl_reload: cancelling all extension coros";
2296	cf::db_sync;
2297	IO::AIO::flush;
2298
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved
2301
2302	warn "cancel all watchers";
2303	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}
2306
2307	warn "cancel all extension coros";
2308	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3915	%EXT_CORO = ();
2310		3916
2311	warn "remove commands";	3917	trace "perl_reload: removing commands";
2312	%COMMAND = ();	3918	%COMMAND = ();
2313		3919
2314	warn "remove ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2315	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2316		3923
2317	warn "unload/nuke all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3926	trace "... unloading $pkg";
2320		3927
2321	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3929	eval {
2323	$cb->($pkg);	3930	$cb->($pkg);
2324	1	3931	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2326	}	3937	}
2327		3938
2328	Symbol::delete_package $pkg;
2329	}
2330
2331	warn "unload all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3942
2335	warn "removing <$k>";	3943	trace "... unloading $k";
2336	delete $INC{$k};	3944	delete $INC{$k};
2337		3945
2338	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2340		3948
2341	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2342	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2343	}	3954	}
2344		3955
2345	Symbol::delete_package $k;
2346	}
2347
2348	warn "get rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3959
2352	warn "unload cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
		3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354		3963
2355	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3965	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2358		3967
2359	warn "reloading cf.pm";	3968	info "perl_reload: unload completed, starting to reload now";
		3969
		3970	trace "perl_reload: reloading cf.pm";
2360	require cf;	3971	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2362		3973
2363	warn "load config and database again";	3974	trace "perl_reload: loading config and database again";
2364	cf::cfg_load;	3975	cf::reload_config;
2365	cf::db_load;
2366		3976
2367	warn "load extensions";	3977	trace "perl_reload: loading extensions";
2368	cf::load_extensions;	3978	cf::load_extensions;
2369		3979
		3980	if ($REATTACH_ON_RELOAD) {
2370	warn "reattach attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2371	_global_reattach;	3982	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
		3985	trace "perl_reload: reattaching attachments to players";
		3986	reattach $_ for values %PLAYER;
		3987	}
		3988
		3989	cf::_post_init 1;
		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
		3993	1
		3994	} or do {
		3995	error $@;
		3996	cf::cleanup "perl_reload: error, exiting.";
		3997	};
		3998
		3999	--$RELOAD;
		4000	}
		4001
		4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
		4004	};
		4005
		4006	our $RELOAD_WATCHER; # used only during reload
		4007
		4008	sub reload_perl() {
		4009	# doing reload synchronously and two reloads happen back-to-back,
		4010	# coro crashes during coro_state_free->destroy here.
		4011
		4012	$RELOAD_WATCHER ||= cf::async {
		4013	Coro::AIO::aio_wait cache_extensions;
		4014
		4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4016	do_reload_perl;
		4017	undef $RELOAD_WATCHER;
		4018	};
2374	};	4019	};
2375
2376	if ($@) {
2377	warn $@;
2378	warn "error while reloading, exiting.";
2379	exit 1;
2380	}
2381
2382	warn "reloaded";
2383	};
2384
2385	#############################################################################
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	4020	}
2427		4021
2428	register_command "reload" => sub {	4022	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2430		4024
2431	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
		4029	reload_perl;
		4030	};
2435	}	4031	}
2436	};	4032	};
2437		4033
2438	unshift @INC, $LIBDIR;	4034	#############################################################################
2439		4035
2440	$TICK_WATCHER = Event->timer (	4036	my $bug_warning = 0;
2441	reentrant => 0,	4037
2442	prio => 0,	4038	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	4039	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	4040
2445	cb => sub {	4041	sub wait_for_tick() {
		4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4043
		4044	my $signal = new Coro::Signal;
		4045	push @WAIT_FOR_TICK, $signal;
		4046	$signal->wait;
		4047	}
		4048
		4049	sub wait_for_tick_begin() {
		4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4051
		4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK_BEGIN, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub tick {
		4058	if ($Coro::current != $Coro::main) {
		4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4060	unless ++$bug_warning > 10;
		4061	return;
		4062	}
		4063
2446	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;
2449		4065
2450	$WAIT_FOR_TICK->broadcast;	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2452		4067
2453	# if we are delayed by four ticks or more, skip them all	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2455		4070	Coro::async_pool {
2456	$TICK_WATCHER->at ($NEXT_TICK);	4071	$Coro::current->{desc} = "runtime saver";
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	4072	write_runtime_sync
2478	or warn "ERROR: unable to write runtime file: $!";	4073	or error "ERROR: unable to write runtime file: $!";
2479	})->();	4074	};
2480	},	4075	}
2481	);	4076
		4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4078	$sig->send;
		4079	}
		4080	while (my $sig = shift @WAIT_FOR_TICK) {
		4081	$sig->send;
		4082	}
		4083
		4084	$LOAD = ($NOW - $TICK_START) / $TICK;
		4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4086
		4087	if (0) {
		4088	if ($NEXT_TICK) {
		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
		4093	}
		4094	}
		4095
		4096	{
		4097	# configure BDB
		4098
		4099	BDB::min_parallel 16;
		4100	BDB::max_poll_reqs $TICK * 0.1;
		4101	$AnyEvent::BDB::WATCHER->priority (1);
		4102
		4103	unless ($DB_ENV) {
		4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4110
		4111	cf::sync_job {
		4112	eval {
		4113	BDB::db_env_open
		4114	$DB_ENV,
		4115	$BDBDIR,
		4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4118	0666;
		4119
		4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4121	};
		4122
		4123	cf::cleanup "db_env_open(db): $@" if $@;
		4124	};
		4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
		4136	}
		4137
		4138	{
		4139	# configure IO::AIO
		4140
		4141	IO::AIO::min_parallel 8;
		4142	IO::AIO::max_poll_time $TICK * 0.1;
		4143	undef $AnyEvent::AIO::WATCHER;
		4144	}
		4145
		4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
		4148
		4149	sub _log_backtrace {
		4150	my ($msg, @addr) = @_;
		4151
		4152	$msg =~ s/\n$//;
		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4157	# limit the # of concurrent backtraces
		4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
		4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
		4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
		4165	my @bt = fork_call {
		4166	@addr = map { sprintf "%x", $_ } @addr;
		4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4169	or die "addr2line: $!";
		4170
		4171	my @funcs;
		4172	my @res = <$fh>;
		4173	chomp for @res;
		4174	while (@res) {
		4175	my ($func, $line) = splice @res, 0, 2, ();
		4176	push @funcs, "[$func] $line";
		4177	}
		4178
		4179	@funcs
		4180	};
		4181
		4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4184	LOG llevInfo, "[ABT] $_\n" for @bt;
		4185	--$_log_backtrace;
		4186	};
		4187	} else {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4190	}
		4191	}
		4192
		4193	# load additional modules
		4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2482		4196
2483	END { cf::emergency_save }	4197	END { cf::emergency_save }
2484		4198
2485	1	4199	1
2486		4200

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