ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	121	our $NEXT_TICK;
50	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
51		130
52	our %CFG;	131	our %CFG;
53		132
54	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
56		136
57	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		140
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
64		153
65	binmode STDOUT;	154	binmode STDOUT;
66	binmode STDERR;	155	binmode STDERR;
67		156
68	# read virtual server time, if available	157	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
73	}	162	}
74		163
75	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		165
81	# a special map that is always available	166	mkdir $_
82	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
83	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
84		187
85	#############################################################################	188	#############################################################################
86		189
87	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
88		191
…		…
95	=item $cf::RUNTIME	198	=item $cf::RUNTIME
96		199
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	201	every server tick.
99		202
100	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		206
102	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
104		211
105	=item $cf::NOW	212	=item $cf::NOW
106		213
107	The time of the last (current) server tick.	214	The time of the last (current) server tick.
108		215
109	=item $cf::TICK	216	=item $cf::TICK
110		217
111	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
112		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
113	=item %cf::CFG	230	=item %cf::CFG
114		231
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	233	from wherever your confdir points to.
117		234
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		236
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
122	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
124		257
125	=back	258	=back
126		259
127	=cut	260	=cut
128		261
129	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
130	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
131	my $msg = join "", @_;	269	my $msg = join "", @_;
132	utf8::encode $msg;
133		270
134	$msg .= "\n"	271	$msg .= "\n"
135	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
136		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
137	LOG llevError, $msg;	276	LOG llevWarn, $msg;
138	};	277	};
139	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
140		292
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		300
148	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	302	# within the Safe compartment.
150	for my $pkg (qw(	303	for my $pkg (qw(
151	cf::global cf::attachable	304	cf::global cf::attachable
152	cf::object cf::object::player	305	cf::object cf::object::player
153	cf::client cf::player	306	cf::client cf::player
154	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
155	cf::map cf::party cf::region	309	cf::party cf::region
156	)) {	310	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	312	}
160		313
161	$Event::DIED = sub {	314	$EV::DIED = sub {
162	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
163	};	316	};
		317
		318	#############################################################################
164		319
165	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
166		321
167	=over 4	322	=over 4
168		323
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	343	$d
189	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
190	}	345	}
191		346
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
195		348
196	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
197		350
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
206		352
207	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
208		354
209	=cut	355	=cut
210		356
211	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
213	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
214	}	403	}
215		404
216	=item cf::lock_wait $string	405	=item cf::lock_wait $string
217		406
218	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
219		408
220	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
221		410
222	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
225	returned.	414	returned.
226		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
227	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
229		421
230	=cut	422	=item $locked = cf::lock_active $string
231		423
232	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
233		429
234	sub lock_wait($) {	430	sub lock_wait($) {
235	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	432	}
243		433
244	sub lock_acquire($) {	434	sub lock_acquire($) {
245	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
246		437
247	# wait, to be sure we are not locked	438	sub lock_active($) {
248	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	440	}
257		441
258	sub freeze_mainloop {	442	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
260		444
261	my $guard = Coro::guard { $TICK_WATCHER->start };	445	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	446	}
263	$guard	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
		512	}
		513	};
		514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
264	}	528	}
265		529
266	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
267		531
268	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		537
274	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
275		539
276	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
277		541
278	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
281		546
282	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
285	fast or be very important.	550	fast or be very important.
…		…
287	=cut	552	=cut
288		553
289	sub sync_job(&) {	554	sub sync_job(&) {
290	my ($job) = @_;	555	my ($job) = @_;
291		556
292	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
293	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
295		562
296	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	564
298	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
299		566
300	my $busy = 1;	567	my $busy = 1;
301	my @res;	568	my @res;
302		569
303	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	572	@res = eval { $job->() };
305	warn $@ if $@;	573	error $@ if $@;
306	undef $busy;	574	undef $busy;
307	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
308		576
309	while ($busy) {	577	while ($busy) {
310	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
311	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
312		588
313	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
314	} else {	590	} else {
315	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
316		592
…		…
336	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
337		613
338	$coro	614	$coro
339	}	615	}
340		616
341	sub write_runtime {	617	=item fork_call { }, @args
342	my $runtime = cf::localdir . "/runtime";
343		618
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
345	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
346		623
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		625
351	aio_fsync $fh	626	sub post_fork {
352	and return;	627	reset_signals;
		628	}
353		629
354	close $fh	630	sub fork_call(&@) {
355	or return;	631	my ($cb, @args) = @_;
356		632
357	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
358	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
359		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
360	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	821	}
362		822
363	=back	823	=back
364		824
365	=cut	825	=cut
366		826
367	#############################################################################	827	#############################################################################
368		828
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542
543	#############################################################################
544
545	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
546		830
547	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
548	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
549	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
550		834
551	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
552	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
553	crossfire+).	837	Deliantra).
554		838
555	=over 4	839	=over 4
556		840
557	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
558		842
…		…
602	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
603		887
604	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
605	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
606		890
607	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
608	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
609		893
610	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
611		895
612	=over 4	896	=over 4
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	957	our @CB_MAP = ();
674		958
675	my %attachment;	959	my %attachment;
676		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
677	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
679		969
680	use sort 'stable';	970	use sort 'stable';
681		971
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
716		1006
717	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		1011
722	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
724		1014
725	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
730		1020
731	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
732	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
733		1023
734	} elsif (ref $type) {	1024	} elsif (ref $type) {
735	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
736		1026
737	} else {	1027	} else {
738	shift @arg;	1028	shift @arg;
739	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
740	}	1030	}
741	}	1031	}
742	}	1032	}
743		1033
744	sub _object_attach {	1034	sub _object_attach {
…		…
754	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
755	}	1045	}
756		1046
757	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
758	} else {	1048	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
760	}	1050	}
761		1051
762	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
763	}	1053	}
764		1054
…		…
766	if (ref $_[0]) {	1056	if (ref $_[0]) {
767	_object_attach @_;	1057	_object_attach @_;
768	} else {	1058	} else {
769	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
770	}	1060	}
		1061	_recalc_want;
771	};	1062	};
772		1063
773	# all those should be optimised	1064	# all those should be optimised
774	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
779	reattach ($obj);	1070	reattach ($obj);
780	} else {	1071	} else {
781	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
782	}	1073	}
		1074	_recalc_want;
783	};	1075	};
784		1076
785	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
787		1079
…		…
802	";	1094	";
803	die if $@;	1095	die if $@;
804	}	1096	}
805		1097
806	our $override;	1098	our $override;
807	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
808		1100
809	sub override {	1101	sub override {
810	$override = 1;	1102	$override = 1;
811	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
812	}	1104	}
813		1105
814	sub do_invoke {	1106	sub do_invoke {
815	my $event = shift;	1107	my $event = shift;
816	my $callbacks = shift;	1108	my $callbacks = shift;
817		1109
818	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
819		1111
820	local $override;	1112	local $override;
821		1113
822	for (@$callbacks) {	1114	for (@$callbacks) {
823	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
824		1116
825	if ($@) {	1117	if ($@) {
826	warn "$@";
827	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
828	override;	1119	override;
829	}	1120	}
830		1121
831	return 1 if $override;	1122	return 1 if $override;
832	}	1123	}
833		1124
834	0	1125	0
835	}	1126	}
836		1127
837	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838		1129
839	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840		1131
841	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
842		1133
843	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
844	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
845	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		1137
847	=back	1138	=back
848		1139
849	=cut	1140	=cut
850		1141
851	#############################################################################	1142	#############################################################################
852	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
853		1186
854	sub reattach {	1187	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		1193
858	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
859		1195
860	@$registry = ();	1196	@$registry = ();
861		1197
…		…
866	for (@$attach) {	1202	for (@$attach) {
867	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
868	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
869	}	1205	}
870	} else {	1206	} else {
871	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
872	}	1208	}
873	}	1209	}
874	}	1210	}
875		1211
876	cf::attachable->attach (	1212	cf::attachable->attach (
877	prio => -1000000,	1213	prio => -1000000,
878	on_instantiate => sub {	1214	on_instantiate => sub {
879	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
880		1216
881	$data = from_json $data;	1217	$data = decode_json $data;
882		1218
883	for (@$data) {	1219	for (@$data) {
884	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
885		1221
886	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
902	sub object_freezer_save {	1238	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
904		1240
905	sync_job {	1241	sync_job {
906	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
907	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
909		1247
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
913	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
914	close $fh;	1255	aio_close $fh;
915		1256
916	if (@$objs) {	1257	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
921	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
922	close $fh;	1266	aio_close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
924	}	1268	}
925	} else {	1269	} else {
926	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
927	}	1271	}
928		1272
929	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
930	} else {	1277	} else {
931	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
932	}	1279	}
933	} else {	1280	} else {
934	aio_unlink $filename;	1281	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
936	}	1283	}
937	}	1284	};
938	}	1285	}
939		1286
940	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
942		1289
…		…
954	or return;	1301	or return;
955		1302
956	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
958	or return;	1305	or return;
		1306
959	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
960	}	1309	}
961		1310
		1311	utf8::decode (my $decname = $filename);
962	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
964	return ($data, $av);	1316	($data, $av)
965	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
966		1324
967	#############################################################################	1325	#############################################################################
968	# command handling &c	1326	# command handling &c
969		1327
970	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1342	}
985		1343
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1345
988	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
989		1351
990	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
991	called.	1353	called.
992		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
993	=cut	1366	=cut
994		1367
995	sub register_extcmd {	1368	sub register_extcmd {
996	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
997		1370
998	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
999	}	1372	}
1000		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
1001	cf::player->attach (	1382	cf::player->attach (
1002	on_command => sub {	1383	on_unknown_command => sub {
1003	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1004		1385
1005	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1006	or return;	1387	or return;
1007		1388
…		…
1012	cf::override;	1393	cf::override;
1013	},	1394	},
1014	on_extcmd => sub {	1395	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1016		1397
1017	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1399
1019	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1025	} else {	1415	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1417	}
1028		1418
1029	cf::override;	1419	cf::override;
1030	},	1420	},
1031	);	1421	);
1032		1422
		1423	# "readahead" all extensions
1033	sub load_extension {	1424	sub cache_extensions {
1034	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
1035		1426
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
1038	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039	$pkg =~ s/[^[:word:]]/_/g;	1430	}
1040	$pkg = "ext::$pkg";	1431	};
1041		1432
1042	warn "... loading '$path' into '$pkg'\n";	1433	$grp
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}	1434	}
1059		1435
1060	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1061	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1443	next unless -r $path;
1063	eval {	1444
1064	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
1065	1	1508	}
1066	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
1067	}	1519	};
1068	}	1520	}
1069		1521
1070	#############################################################################	1522	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1523
1073	*cf::mapsupport::on_clean = sub {	1524	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1525
1086	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1087		1527
1088	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1089		1529
1090	=cut	1530	=cut
1091		1531
1092	package cf::player;	1532	package cf::player;
1093		1533
…		…
1095		1535
1096	=head3 cf::player	1536	=head3 cf::player
1097		1537
1098	=over 4	1538	=over 4
1099		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
1100	=item cf::player::find $login	1554	=item cf::player::find $login
1101		1555
1102	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1103		1557
1104	=cut	1558	=cut
1105		1559
1106	sub playerdir($) {	1560	sub playerdir($) {
1107	cf::localdir	1561	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1563	}
1113		1564
1114	sub path($) {	1565	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1567
1117	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
1118	}	1569	}
1119		1570
1120	sub find_active($) {	1571	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
1125		1576
1126	sub exists($) {	1577	sub exists($) {
1127	my ($login) = @_;	1578	my ($login) = @_;
1128		1579
1129	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
1131	}	1582	}
1132		1583
1133	sub find($) {	1584	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1586	my $login = $_[0];
1136		1587
1137	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
1138		1589
1139	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
1140	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
1141	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1142	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1143	}	1607	}
1144	}	1608	}
1145	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1146		1623
1147	sub save($) {	1624	sub save($) {
1148	my ($pl) = @_;	1625	my ($pl) = @_;
1149		1626
1150	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1155	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1156		1633
1157	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1159		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1160	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1161	Coro::cede;	1643	cf::cede_to_tick;
1162	}	1644	}
1163		1645
1164	sub new($) {	1646	sub new($) {
1165	my ($login) = @_;	1647	my ($login) = @_;
1166		1648
…		…
1172	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1173		1655
1174	$self	1656	$self
1175	}	1657	}
1176		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1177	=item $pl->quit_character	1669	=item $pl->quit_character
1178		1670
1179	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1180	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1181		1673
1182	=cut	1674	=cut
1183		1675
1184	sub quit_character {	1676	sub quit_character {
1185	my ($pl) = @_;	1677	my ($pl) = @_;
1186		1678
		1679	my $name = $pl->ob->name;
		1680
1187	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1189		1683
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1191	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1193	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1194		1692
1195	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1200	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
1201	}	1719	}
1202		1720
1203	=item cf::player::list_logins	1721	=item cf::player::list_logins
1204		1722
1205	Returns am arrayref of all valid playernames in the system, can take a	1723	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1207		1725
1208	=cut	1726	=cut
1209		1727
1210	sub list_logins {	1728	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1730	or return [];
1213		1731
1214	my @logins;	1732	my @logins;
1215		1733
1216	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1220		1744
1221	utf8::decode $login;	1745	utf8::decode $login;
1222	push @logins, $login;	1746	push @logins, $login;
1223	}	1747	}
1224		1748
1225	\@logins	1749	\@logins
1226	}	1750	}
1227		1751
1228	=item $player->maps	1752	=item $player->maps
1229		1753
		1754	=item cf::player::maps $login
		1755
1230	Returns an arrayref of cf::path's of all maps that are private for this	1756	Returns an arrayref of map paths that are private for this
1231	player. May block.	1757	player. May block.
1232		1758
1233	=cut	1759	=cut
1234		1760
1235	sub maps($) {	1761	sub maps($) {
1236	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1765
1238	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1239	or return;	1767	or return;
1240		1768
1241	my @paths;	1769	my @paths;
…		…
1243	for (@$files) {	1771	for (@$files) {
1244	utf8::decode $_;	1772	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1247		1775
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1776	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1777	}
1250		1778
1251	\@paths	1779	\@paths
1252	}	1780	}
1253		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1255		1787
1256	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1257		1789
1258	=cut	1790	=cut
1259		1791
1260	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1262		1794
1263	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1796	}
1267		1797
1268	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1269		1840
1270	=back	1841	=back
1271
1272		1842
1273	=head3 cf::map	1843	=head3 cf::map
1274		1844
1275	=over 4	1845	=over 4
1276		1846
…		…
1279	package cf::map;	1849	package cf::map;
1280		1850
1281	use Fcntl;	1851	use Fcntl;
1282	use Coro::AIO;	1852	use Coro::AIO;
1283		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1284	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1286		1860
1287	sub generate_random_map {	1861	sub generate_random_map {
		1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
		1866	$self->_create_random_map ($rmp);
		1867	}
		1868
		1869	=item cf::map->register ($regex, $prio)
		1870
		1871	Register a handler for the map path matching the given regex at the
		1872	givne priority (higher is better, built-in handlers have priority 0, the
		1873	default).
		1874
		1875	=cut
		1876
		1877	sub register {
		1878	my (undef, $regex, $prio) = @_;
		1879	my $pkg = caller;
		1880
		1881	push @{"$pkg\::ISA"}, __PACKAGE__;
		1882
		1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1884	}
		1885
		1886	# also paths starting with '/'
		1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1888
		1889	sub thawer_merge {
		1890	my ($self, $merge) = @_;
		1891
		1892	# we have to keep some variables in memory intact
		1893	local $self->{path};
		1894	local $self->{load_path};
		1895
		1896	$self->SUPER::thawer_merge ($merge);
		1897	}
		1898
		1899	sub normalise {
1288	my ($path, $rmp) = @_;	1900	my ($path, $base) = @_;
1289		1901
1290	# mit "rum" bekleckern, nicht	1902	$path = "$path"; # make sure it's a string
1291	cf::map::_create_random_map (	1903
		1904	$path =~ s/\.map$//;
		1905
		1906	# map plan:
		1907	#
		1908	# /! non-realised random map exit (special hack!)
		1909	# {... are special paths that are not being touched
		1910	# ?xxx/... are special absolute paths
		1911	# ?random/... random maps
		1912	# /... normal maps
		1913	# ~user/... per-player map of a specific user
		1914
		1915	$path =~ s/$PATH_SEP/\//go;
		1916
		1917	# treat it as relative path if it starts with
		1918	# something that looks reasonable
		1919	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1920	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1921
		1922	$base =~ s{[^/]+/?$}{};
		1923	$path = "$base/$path";
		1924	}
		1925
		1926	for ($path) {
		1927	redo if s{/\.?/}{/};
		1928	redo if s{/[^/]+/\.\./}{/};
		1929	}
		1930
1292	$path,	1931	$path
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1932	}
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1933
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1934	sub new_from_path {
1296	$rmp->{exit_on_final_map},	1935	my (undef, $path, $base) = @_;
1297	$rmp->{xsize}, $rmp->{ysize},	1936
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1937	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1938
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1939	$path = normalise $path, $base;
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1940
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1941	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1942	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1943	my $self = bless cf::map::new, $pkg;
		1944	$self->{path} = $path; $self->path ($path);
		1945	$self->init; # pass $1 etc.
		1946	return $self;
		1947	}
		1948	}
		1949
		1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1304	)	1951	()
1305	}	1952	}
1306		1953
1307	# and all this just because we cannot iterate over	1954	sub init {
1308	# all maps in C++...
1309	sub change_all_map_light {
1310	my ($change) = @_;	1955	my ($self) = @_;
1311		1956
1312	$_->change_map_light ($change)	1957	$self
1313	for grep $_->outdoor, values %cf::MAP;
1314	}	1958	}
1315		1959
		1960	sub as_string {
		1961	my ($self) = @_;
		1962
		1963	"$self->{path}"
		1964	}
		1965
		1966	# the displayed name, this is a one way mapping
		1967	sub visible_name {
		1968	&as_string
		1969	}
		1970
		1971	# the original (read-only) location
		1972	sub load_path {
		1973	my ($self) = @_;
		1974
		1975	"$MAPDIR/$self->{path}.map"
		1976	}
		1977
		1978	# the temporary/swap location
		1979	sub save_path {
		1980	my ($self) = @_;
		1981
		1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1983	"$TMPDIR/$path.map"
		1984	}
		1985
		1986	# the unique path, undef == no special unique path
		1987	sub uniq_path {
		1988	my ($self) = @_;
		1989
		1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1991	"$UNIQUEDIR/$path"
		1992	}
		1993
		1994	sub decay_objects {
		1995	my ($self) = @_;
		1996
		1997	return if $self->{deny_reset};
		1998
		1999	$self->do_decay_objects;
		2000	}
		2001
		2002	sub unlink_save {
		2003	my ($self) = @_;
		2004
		2005	utf8::encode (my $save = $self->save_path);
		2006	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2007	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2008	}
		2009
1316	sub load_map_header($) {	2010	sub load_header_from($) {
1317	my ($path) = @_;	2011	my ($self, $path) = @_;
1318		2012
1319	utf8::encode $path;	2013	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1321	or return;	2015	or return;
1322		2016
1323	my $map = cf::map::new	2017	$self->_load_header ($f)
1324	or return;	2018	or return;
1325		2019
1326	# for better error messages only, will be overwritten later	2020	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	2021	$f->resolve_delayed_derefs;
1328		2022
1329	$map->load_header ($path)	2023	$self->{load_path} = $path;
		2024
		2025	1
		2026	}
		2027
		2028	sub load_header_orig {
		2029	my ($self) = @_;
		2030
		2031	$self->load_header_from ($self->load_path)
		2032	}
		2033
		2034	sub load_header_temp {
		2035	my ($self) = @_;
		2036
		2037	$self->load_header_from ($self->save_path)
		2038	}
		2039
		2040	sub prepare_temp {
		2041	my ($self) = @_;
		2042
		2043	$self->last_access ((delete $self->{last_access})
		2044	|| $cf::RUNTIME); #d#
		2045	# safety
		2046	$self->{instantiate_time} = $cf::RUNTIME
		2047	if $self->{instantiate_time} > $cf::RUNTIME;
		2048	}
		2049
		2050	sub prepare_orig {
		2051	my ($self) = @_;
		2052
		2053	$self->{load_original} = 1;
		2054	$self->{instantiate_time} = $cf::RUNTIME;
		2055	$self->last_access ($cf::RUNTIME);
		2056	$self->instantiate;
		2057	}
		2058
		2059	sub load_header {
		2060	my ($self) = @_;
		2061
		2062	if ($self->load_header_temp) {
		2063	$self->prepare_temp;
		2064	} else {
		2065	$self->load_header_orig
1330	or return;	2066	or return;
		2067	$self->prepare_orig;
		2068	}
1331		2069
1332	$map->{load_path} = $path;	2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
1333		2072
1334	$map	2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
		2075
		2076	1
1335	}	2077	}
1336		2078
1337	sub find;	2079	sub find;
1338	sub find {	2080	sub find {
1339	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1340		2082
1341	#warn "find<$path,$origin>\n";#d#	2083	cf::cede_to_tick;
1342		2084
1343	$path = new cf::path $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		2086
1346	cf::lock_wait "map_find:$key";	2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348	$cf::MAP{$key} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1350		2089
1351	# do it the slow way	2090	$cf::MAP{$path} || do {
1352	my $map = $path->load_temp;	2091	my $map = new_from_path cf::map $path
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	2092	or return;
1365		2093
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1378		2095
1379	Coro::cede;	2096	$map->load_header
		2097	or return;
1380		2098
1381	if ($map->should_reset) {	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2100	# doing this can freeze the server in a sync job, obviously
		2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1382	$map->reset;	2104	$map->reset;
1383	undef $guard;
1384	$map = find $path	2105	return find $path;
1385	or return;
1386	}	2106	}
1387		2107
1388	$cf::MAP{$key} = $map	2108	$cf::MAP{$path} = $map
1389	}	2109	}
1390	}	2110	}
		2111
		2112	sub pre_load { }
		2113	#sub post_load { } # XS
1391		2114
1392	sub load {	2115	sub load {
1393	my ($self) = @_;	2116	my ($self) = @_;
1394		2117
		2118	local $self->{deny_reset} = 1; # loading can take a long time
		2119
1395	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2123	my $guard = cf::lock_acquire "map_data:$path";
1397		2124
		2125	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1399		2127
1400	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1401		2129
1402	$self->alloc;	2130	$self->alloc;
1403	$self->load_objects ($self->{load_path}, 1)	2131
		2132	$self->pre_load;
		2133	cf::cede_to_tick;
		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1404	or return;	2138	or return;
1405		2139
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1407	if delete $self->{load_original};	2141	if delete $self->{load_original};
1408		2142
1409	if (my $uniq = $path->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	2144	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	2147	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1414	}	2151	}
1415	}	2152	}
1416		2153
1417	Coro::cede;	2154	$f->resolve_delayed_derefs;
1418		2155
		2156	cf::cede_to_tick;
1419	# now do the right thing for maps	2157	# now do the right thing for maps
1420	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	2160	unless $self->difficulty;
		2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1432	$self->activate;	2168	$self->activate;
1433	}	2169	}
1434		2170
1435	Coro::cede;	2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
1436		2173
1437	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
		2175	}
		2176
		2177	$self->post_load;
		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
		2185	sub customise_for {
		2186	my ($self, $ob) = @_;
		2187
		2188	return find "~" . $ob->name . "/" . $self->{path}
		2189	if $self->per_player;
		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
		2194	$self
1438	}	2195	}
1439		2196
1440	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2198	sub load_neighbours {
1442	my ($map) = @_;	2199	my ($map) = @_;
1443		2200
1444	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1445		2202
1446	for (0 .. 3) {	2203	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1448	or next;	2205	or next;
1449	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1450	or next;	2207	or next;
1451	$neigh->load;	2208	$neigh->load;
1452		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2214	}
1456		2215
1457	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1459	or next;	2219	or next;
1460	$neigh->load;	2220	$neigh->load;
1461	}	2221	}
1462	}	2222	}
1463		2223
1464	sub find_sync {	2224	sub find_sync {
1465	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1466		2226
1467	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1468	}	2231	}
1469		2232
1470	sub do_load_sync {	2233	sub do_load_sync {
1471	my ($map) = @_;	2234	my ($map) = @_;
1472		2235
1473	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1474	}	2240	}
1475		2241
1476	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
		2243	our $MAP_PREFETCHER = undef;
		2244
		2245	sub find_async {
		2246	my ($path, $origin, $load) = @_;
		2247
		2248	$path = normalise $path, $origin && $origin->{path};
		2249
		2250	if (my $map = $cf::MAP{$path}) {
		2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2252	}
		2253
		2254	$MAP_PREFETCH{$path} |= $load;
		2255
1477	our $MAP_PREFETCHER = Coro::async {	2256	$MAP_PREFETCHER ||= cf::async {
1478	while () {	2257	$Coro::current->{desc} = "map prefetcher";
		2258
1479	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2261	if (my $map = find $k) {
		2262	$map->load if $v;
		2263	}
		2264
1482	my $path = delete $MAP_PREFETCH{$key};	2265	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2266	}
1488	Coro::schedule;	2267	}
		2268	undef $MAP_PREFETCHER;
1489	}	2269	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2270	$MAP_PREFETCHER->prio (6);
1504		2271
1505	()	2272	()
		2273	}
		2274
		2275	# common code, used by both ->save and ->swapout
		2276	sub _save {
		2277	my ($self) = @_;
		2278
		2279	$self->{last_save} = $cf::RUNTIME;
		2280
		2281	return unless $self->dirty;
		2282
		2283	my $save = $self->save_path; utf8::encode $save;
		2284	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2285
		2286	$self->{load_path} = $save;
		2287
		2288	return if $self->{deny_save};
		2289
		2290	local $self->{last_access} = $self->last_access;#d#
		2291
		2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
		2294	$_->contr->save for $self->players;
		2295	};
		2296
		2297	cf::get_slot 0.02;
		2298
		2299	if ($uniq) {
		2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2302	} else {
		2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2304	}
1506	}	2305	}
1507		2306
1508	sub save {	2307	sub save {
1509	my ($self) = @_;	2308	my ($self) = @_;
1510		2309
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2311
1513	$self->{last_save} = $cf::RUNTIME;	2312	$self->_save;
1514
1515	return unless $self->dirty;
1516
1517	my $save = $self->{path}->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1519
1520	$self->{load_path} = $save;
1521
1522	return if $self->{deny_save};
1523
1524	local $self->{last_access} = $self->last_access;#d#
1525
1526	cf::async {
1527	$_->contr->save for $self->players;
1528	};
1529
1530	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}
1536	}	2313	}
1537		2314
1538	sub swap_out {	2315	sub swap_out {
1539	my ($self) = @_;	2316	my ($self) = @_;
1540		2317
1541	# save first because save cedes
1542	$self->save;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1546	return if $self->players;	2322	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;
1548	return if $self->{deny_save};
1549		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1550	$self->clear;	2333	$self->clear;
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	}	2334	}
1553		2335
1554	sub reset_at {	2336	sub reset_at {
1555	my ($self) = @_;	2337	my ($self) = @_;
1556		2338
1557	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1560		2341
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2344
…		…
1568	my ($self) = @_;	2349	my ($self) = @_;
1569		2350
1570	$self->reset_at <= $cf::RUNTIME	2351	$self->reset_at <= $cf::RUNTIME
1571	}	2352	}
1572		2353
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2354	sub reset {
1587	my ($self) = @_;	2355	my ($self) = @_;
1588		2356
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2358
1591	return if $self->players;	2359	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2360
1594	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
		2362
		2363	$self->in_memory (cf::MAP_SWAPPED);
		2364
		2365	# need to save uniques path
		2366	unless ($self->{deny_save}) {
		2367	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2368
		2369	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2370	if $uniq;
		2371	}
1595		2372
1596	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1597		2374
		2375	$self->deactivate;
1598	$_->clear_links_to ($self) for values %cf::MAP;	2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->clear;
1599		2378
1600	$self->{path}->unlink_save;	2379	$self->unlink_save;
1601	$self->destroy;	2380	$self->destroy;
1602	}	2381	}
1603		2382
1604	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1605		2384
1606	sub nuke {	2385	sub nuke {
1607	my ($self) = @_;	2386	my ($self) = @_;
1608		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
		2391	delete $cf::MAP{$self->path};
		2392
		2393	$self->unlink_save;
		2394
		2395	bless $self, "cf::map::wrap";
		2396	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2400
		2401	$cf::MAP{$self->path} = $self;
		2402	}
		2403
1612	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
1613	}	2405	}
1614		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
		2441	}
		2442
1615	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1616		2444
1617	Returns an arrayref of cf::path's of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2446	instantiated unique items. May block.
1619		2447
1620	=cut	2448	=cut
1621		2449
1622	sub unique_maps() {	2450	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1624	or return;	2452	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2453	utf8::decode $_;
1630	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2456	? ()
1633	push @paths, new cf::path $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2459	]
1635
1636	\@paths
1637	}	2460	}
1638		2461
1639	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1640		2493
1641	=back	2494	=back
1642		2495
1643	=head3 cf::object	2496	=head3 cf::object
1644		2497
…		…
1648		2501
1649	=over 4	2502	=over 4
1650		2503
1651	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1652		2505
1653	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1654		2508
1655	=cut	2509	=cut
1656		2510
1657	sub inv_recursive_;	2511	sub inv_recursive_;
1658	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1661		2515
1662	sub inv_recursive {	2516	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1664	}	2518	}
1665		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1666	package cf;	2548	package cf;
1667		2549
1668	=back	2550	=back
1669		2551
1670	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1676	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1677	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1678	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1679		2561
1680	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1681		2577
1682	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1683	# with dialog boxes.	2579	# with dialog boxes.
1684	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1685	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1687		2583
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2585
1690	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1692	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1695	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1696	}	2611	}
1697		2612
1698	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1699		2614
1700	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1713		2628
1714	=item $player_object->enter_link	2629	=item $player_object->enter_link
1715		2630
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2632
1718	The player should be reaosnably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1719	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
		2637
		2638	Will never block.
1720		2639
1721	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1722		2641
1723	Moves the player out of the specila link map onto the given map. If the	2642	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2643	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2644	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2645	fails, to the emergency map position.
1727		2646
1728	Might block.	2647	Might block.
1729		2648
1730	=cut	2649	=cut
		2650
		2651	sub link_map {
		2652	unless ($LINK_MAP) {
		2653	$LINK_MAP = cf::map::find "{link}"
		2654	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2655	$LINK_MAP->load;
		2656	}
		2657
		2658	$LINK_MAP
		2659	}
1731		2660
1732	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2662	my ($self) = @_;
1734		2663
1735	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1736		2665
1737	return if $self->map == $LINK_MAP;	2666	++$self->{_link_recursion};
		2667
		2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2669
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1741		2672
1742	$self->enter_map ($LINK_MAP, 20, 20);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1743	}	2674	}
1744		2675
1745	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1747		2680
1748	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1749		2682
1750	unless ($map) {	2683	unless ($map) {
1751	# restore original map position	2684	# restore original map position
…		…
1762	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1763	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1764		2697
1765	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1768		2701
1769	$map->load;	2702	$map->load;
1770	$map->load_diag;	2703	$map->load_neighbours;
1771		2704
1772	return unless $self->contr->active;	2705	return unless $self->contr->active;
		2706
		2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2708	if ($self->enter_map ($map, $x, $y)) {
		2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
1773	$self->activate_recursive;	2712	$self->activate_recursive;
1774	$self->enter_map ($map, $x, $y);
1775	}
1776
1777	cf::player->attach (
1778	on_logout => sub {
1779	my ($pl) = @_;
1780
1781	# abort map switching before logout
1782	if ($pl->ob->{_link_pos}) {
1783	cf::sync_job {
1784	$pl->ob->leave_link
1785	};
1786	}
1787	},	2713	}
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2714
1791	# try to abort aborted map switching on player login :)	2715	}
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808		2716
1809	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1810		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1811	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1812		2731
1813	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2734
1816	$path = new cf::path $path;	2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2743
1818	$self->enter_link;	2744	$self->enter_link;
1819		2745
1820	(async {	2746	(async {
1821	my $map = cf::map::find $path->as_string;	2747	$Coro::current->{desc} = "player::goto $path $x $y";
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2748
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
		2768	my $map = eval {
		2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
1825	# if $map;	2771	if ($map) {
1826		2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
1828		2777
		2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
		2784	}
		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1830	})->prio (1);	2792	})->prio (1);
1831	}	2793	}
1832		2794
1833	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1834		2796
…		…
1836		2798
1837	sub parse_random_map_params {	2799	sub parse_random_map_params {
1838	my ($spec) = @_;	2800	my ($spec) = @_;
1839		2801
1840	my $rmp = { # defaults	2802	my $rmp = { # defaults
1841	xsize => 10,	2803	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2804	ysize => (cf::rndm 15, 40),
		2805	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2806	#layout => string,
1843	};	2807	};
1844		2808
1845	for (split /\n/, $spec) {	2809	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2810	my ($k, $v) = split /\s+/, $_, 2;
1847		2811
…		…
1859	# that depends on the exit object	2823	# that depends on the exit object
1860		2824
1861	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
1862		2826
1863	if ($exit->map) {	2827	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2828	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1868	}	2834	}
1869		2835
1870	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1871		2837
1872	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
		2840	my $meta = "$RANDOMDIR/$md5.meta";
1874		2841
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
		2844	undef $fh;
		2845	aio_rename "$meta~", $meta;
1877		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1878	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1880	}	2853	}
1881	}	2854	}
1882		2855
1883	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
…		…
1886	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1887		2860
1888	$self->enter_link;	2861	$self->enter_link;
1889		2862
1890	(async {	2863	(async {
1891	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1892	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
1893	prepare_random_map $exit	2873	prepare_random_map $exit
1894	if $exit->slaying eq "/!";	2874	if $exit->slaying eq "/!";
		2875	}
1895		2876
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
1898		2880
		2881	$self->goto ($map, $x, $y);
		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1899	1;	2887	1
1900	}) {	2888	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1902	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2893
1906	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1907	$self->leave_link;	2895	$self->leave_link;
1908	}	2896	}
1909	})->prio (1);	2897	})->prio (1);
1910	}	2898	}
1911		2899
…		…
1922		2910
1923	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
1925		2913
1926	utf8::encode $text;	2914	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2916	}
1929		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
1930		3139
1931	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
1932		3141
1933	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		3145
1937	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	3147	become reliable at some point in the future.
1939		3148
1940	=cut	3149	=cut
1941		3150
1942	sub cf::client::query {	3151	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	3160	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		3162
1954	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
1956	}	3167	}
1957		3168
1958	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
1959	on_reply => sub {	3175	on_reply => sub {
1960	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
1961		3177
1962	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
1963	# get handled first	3179	# get handled first
1964	my $queue = delete $ns->{query_queue}	3180	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	3181	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		3182
1967	(shift @$queue)->[1]->($msg);	3183	(shift @$queue)->[1]->($msg);
		3184	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		3185
1969	push @{ $ns->{query_queue} }, @$queue;	3186	push @{ $ns->{query_queue} }, @$queue;
1970		3187
1971	if (@{ $ns->{query_queue} } == @$queue) {	3188	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	3189	if (@$queue) {
…		…
1974	} else {	3191	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	3193	}
1977	}	3194	}
1978	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
1979	);	3222	);
1980		3223
1981	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
1982		3225
1983	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
1999		3242
2000	$coro	3243	$coro
2001	}	3244	}
2002		3245
2003	cf::client->attach (	3246	cf::client->attach (
2004	on_destroy => sub {	3247	on_client_destroy => sub {
2005	my ($ns) = @_;	3248	my ($ns) = @_;
2006		3249
2007	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2008	},	3251	},
2009	);	3252	);
…		…
2024	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2026		3269
2027	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2028		3271
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2030		3277
2031	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2032		3279
2033	=pod	3280	=pod
2034		3281
2035	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2036		3283
2037	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2038	cf::object::player player	3289	cf::object::player
2039	cf::player peaceful	3290	player
2040	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2041		3297
2042	=cut	3298	=cut
2043		3299
2044	for (	3300	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2046	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2048	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2049	) {	3307	) {
2050	no strict 'refs';
2051	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2053	for @funs;	3310	for @funs;
2054	}	3311	}
2055		3312
…		…
2070		3327
2071	my $qcode = $code;	3328	my $qcode = $code;
2072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2073	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2074		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2075	local $_;	3335	local $_;
2076	local @safe::cf::_safe_eval_args = values %vars;
2077		3336
2078	my $eval =	3337	my $eval =
2079	"do {\n"	3338	"do {\n"
2080	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2081	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2082	. $code	3341	. $code
2083	. "\n}"	3342	. "\n}"
2084	;	3343	;
2085		3344
		3345	if ($CFG{safe_eval}) {
2086	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2087	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2088	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2089		3354
2090	if ($@) {	3355	if ($@) {
2091	warn "$@";	3356	warn "$@",
2092	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2093	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2094	}	3359	}
2095		3360
2096	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2097	}	3362	}
2098		3363
…		…
2112	=cut	3377	=cut
2113		3378
2114	sub register_script_function {	3379	sub register_script_function {
2115	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2116		3381
2117	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2118	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2119	}	3384	}
2120		3385
2121	=back	3386	=back
2122		3387
2123	=cut	3388	=cut
2124		3389
2125	#############################################################################	3390	#############################################################################
		3391	# the server's init and main functions
2126		3392
2127	=head2 EXTENSION DATABASE SUPPORT	3393	sub load_facedata($) {
		3394	my ($path) = @_;
2128		3395
2129	Crossfire maintains a very simple database for extension use. It can	3396	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	3397	# for this (global event?)
2131	excludes objects.	3398	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		3399
2133	The parameter C<$family> should best start with the name of the extension	3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		3401
2136	=over 4	3402	trace "loading facedata from $path\n";
2137		3403
2138	=item $hashref = cf::db_get $family	3404	0 < aio_load $path, my $facedata
		3405	or die "$path: $!";
2139		3406
2140	Return a hashref for use by the extension C<$family>, which can be	3407	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		3408
2144	=item $value = cf::db_get $family => $key	3409	$facedata->{version} == 2
		3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		3411
2146	Returns a single value from the database	3412	# patch in the exptable
2147		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2148	=item cf::db_put $family => $hashref	3414	$facedata->{resource}{"res/exp_table"} = {
2149		3415	type => FT_RSRC,
2150	Stores the given family hashref into the database. Updates are delayed, if	3416	data => $exp_table,
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3417	hash => (Digest::MD5::md5 $exp_table),
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	3418	};
		3419	cf::cede_to_tick;
2199		3420
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	3421	{
		3422	my $faces = $facedata->{faceinfo};
2204		3423
2205	sub db_get($;$) {	3424	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		3426
2211	sub db_put($$;$) {	3427	cf::face::set_visibility $idx, $info->{visibility};
2212	if (@_ >= 3) {	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2213	$DB->{$_[0]}{$_[1]} = $_[2];	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2214	} else {	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2215	$DB->{$_[0]} = $_[1];	3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2216	}
2217	db_dirty;
2218	}
2219		3432
2220	cf::global->attach (	3433	cf::cede_to_tick;
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	3434	}
2225	);
2226	}
2227		3435
2228	#############################################################################	3436	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	3437	next unless $info->{smooth};
2230		3438
2231	sub cfg_load {	3439	my $idx = cf::face::find $face
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3440	or next;
2233	or return;
2234		3441
2235	local $/;	3442	if (my $smooth = cf::face::find $info->{smooth}) {
2236	*CFG = YAML::Syck::Load <$fh>;	3443	cf::face::set_smooth $idx, $smooth;
		3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3445	} else {
		3446	error "smooth face '$info->{smooth}' not found for face '$face'";
		3447	}
2237		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	{
		3454	my $anims = $facedata->{animinfo};
		3455
		3456	while (my ($anim, $info) = each %$anims) {
		3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3458	cf::cede_to_tick;
		3459	}
		3460
		3461	cf::anim::invalidate_all; # d'oh
		3462	}
		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
		3483	1
		3484	}
		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
		3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
		3509	load_resource_file "$MAPDIR/regions"
		3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
		3516	}
		3517
		3518	sub reload_facedata {
		3519	load_facedata "$DATADIR/facedata"
		3520	or die "unable to load facedata\n";
		3521	}
		3522
		3523	sub reload_archetypes {
		3524	load_resource_file "$DATADIR/archetypes"
		3525	or die "unable to load archetypes\n";
		3526	}
		3527
		3528	sub reload_treasures {
		3529	load_resource_file "$DATADIR/treasures"
		3530	or die "unable to load treasurelists\n";
		3531	}
		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
		3556	sub reload_resources {
		3557	trace "reloading resource files...\n";
		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
		3564	reload_regions;
		3565	reload_treasures;
		3566
		3567	trace "finished reloading resource files\n";
		3568	}
		3569
		3570	sub reload_config {
		3571	trace "reloading config file...\n";
		3572
		3573	0 < aio_load "$CONFDIR/config", my $config
		3574	or die "$CONFDIR/config: $!";
		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2239		3580
2240	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2241	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2242		3583
2243	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2247	};	3588	};
2248	warn $@ if $@;	3589	warn $@ if $@;
2249	}	3590	}
2250	}	3591	}
2251		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2252	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2253	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2256	async { Event::one_event };	3634	(async {
		3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
		3637	})->prio (Coro::PRIO_MAX);
2257	};	3638	};
2258		3639
2259	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
2260	db_load;	3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
		3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2261	load_extensions;	3663	load_extensions;
2262	Event::loop;	3664
		3665	utime time, time, $RUNTIMEFILE;
		3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2263	}	3683	}
2264		3684
2265	#############################################################################	3685	#############################################################################
2266	# initialisation and cleanup	3686	# initialisation and cleanup
2267		3687
2268	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2269	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2270	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2272	data => WF_AUTOCANCEL,
2273	signal => $signal,
2274	cb => sub {
2275	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2276	},
2277	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2278	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2279	}	3784	}
2280		3785
2281	sub emergency_save() {	3786	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2283		3788
2284	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2285		3795
2286	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2287	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2291	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294	$pl->save;	3807	$pl->save;
2295	}	3808	}
2296	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2297		3810
2298	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2299	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2300	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3816	$map->valid or next;
2302	$map->save;	3817	$map->save;
2303	}	3818	}
2304	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
		3824	BDB::db_env_txn_checkpoint $DB_ENV;
		3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2305	};	3849	};
2306		3850
2307	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2308	}	3852	}
2309		3853
		3854	sub post_cleanup {
		3855	my ($make_core) = @_;
		3856
		3857	IO::AIO::flush;
		3858
		3859	error Carp::longmess "post_cleanup backtrace"
		3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
		3889	}
		3890
2310	sub reload() {	3891	sub do_reload_perl() {
2311	# can/must only be called in main	3892	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2313	warn "can only reload from main coroutine\n";	3894	error "can only reload from main coroutine";
2314	return;	3895	return;
2315	}	3896	}
2316		3897
2317	warn "reloading...";	3898	return if $RELOAD++;
2318		3899
2319	warn "freezing server";	3900	my $t1 = AE::time;
2320	my $guard = freeze_mainloop;	3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
		3908	cf::sync_job {
2321	cf::emergency_save;	3909	#cf::emergency_save;
2322		3910
2323	warn "sync database to disk";	3911	trace "perl_reload: cancelling all extension coros";
2324	cf::db_sync;
2325	IO::AIO::flush;
2326
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved
2329
2330	warn "cancel all watchers";
2331	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}
2334
2335	warn "cancel all extension coros";
2336	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3913	%EXT_CORO = ();
2338		3914
2339	warn "remove commands";	3915	trace "perl_reload: removing commands";
2340	%COMMAND = ();	3916	%COMMAND = ();
2341		3917
2342	warn "remove ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2343	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2344		3921
2345	warn "unload/nuke all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2348		3925
2349	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3927	eval {
2351	$cb->($pkg);	3928	$cb->($pkg);
2352	1	3929	1
2353	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2354	}	3935	}
2355		3936
2356	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;
2358	}
2359
2360	warn "unload all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		3940
2364	warn "removing <$k>";	3941	trace "... unloading $k";
2365	delete $INC{$k};	3942	delete $INC{$k};
2366		3943
2367	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2369		3946
2370	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2371	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2372	}	3952	}
2373		3953
2374	Symbol::delete_package $k;
2375	}
2376
2377	warn "get rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3957
2381	warn "unload cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
		3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383		3961
2384	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3963	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2387		3965
2388	warn "reloading cf.pm";	3966	info "perl_reload: unload completed, starting to reload now";
		3967
		3968	trace "perl_reload: reloading cf.pm";
2389	require cf;	3969	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2391		3971
2392	warn "load config and database again";	3972	trace "perl_reload: loading config and database again";
2393	cf::cfg_load;	3973	cf::reload_config;
2394	cf::db_load;
2395		3974
2396	warn "load extensions";	3975	trace "perl_reload: loading extensions";
2397	cf::load_extensions;	3976	cf::load_extensions;
2398		3977
		3978	if ($REATTACH_ON_RELOAD) {
2399	warn "reattach attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2400	_global_reattach;	3980	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
		3983	trace "perl_reload: reattaching attachments to players";
		3984	reattach $_ for values %PLAYER;
		3985	}
		3986
		3987	cf::_post_init 1;
		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
		3991	1
		3992	} or do {
		3993	error $@;
		3994	cf::cleanup "perl_reload: error, exiting.";
		3995	};
		3996
		3997	--$RELOAD;
		3998	}
		3999
		4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
		4002	};
		4003
		4004	our $RELOAD_WATCHER; # used only during reload
		4005
		4006	sub reload_perl() {
		4007	# doing reload synchronously and two reloads happen back-to-back,
		4008	# coro crashes during coro_state_free->destroy here.
		4009
		4010	$RELOAD_WATCHER ||= cf::async {
		4011	Coro::AIO::aio_wait cache_extensions;
		4012
		4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4014	do_reload_perl;
		4015	undef $RELOAD_WATCHER;
		4016	};
2403	};	4017	};
2404
2405	if ($@) {
2406	warn $@;
2407	warn "error while reloading, exiting.";
2408	exit 1;
2409	}
2410
2411	warn "reloaded";
2412	};
2413
2414	#############################################################################
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	4018	}
2456		4019
2457	register_command "reload" => sub {	4020	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2459		4022
2460	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
		4027	reload_perl;
		4028	};
2464	}	4029	}
2465	};	4030	};
2466		4031
2467	unshift @INC, $LIBDIR;	4032	#############################################################################
2468		4033
2469	$TICK_WATCHER = Event->timer (	4034	my $bug_warning = 0;
2470	reentrant => 0,
2471	prio => 0,
2472	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,
2474	cb => sub {
2475	$NOW = Event::time;
2476		4035
		4036	our @WAIT_FOR_TICK;
		4037	our @WAIT_FOR_TICK_BEGIN;
		4038
		4039	sub wait_for_tick() {
		4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4041
		4042	my $signal = new Coro::Signal;
		4043	push @WAIT_FOR_TICK, $signal;
		4044	$signal->wait;
		4045	}
		4046
		4047	sub wait_for_tick_begin() {
		4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4049
		4050	my $signal = new Coro::Signal;
		4051	push @WAIT_FOR_TICK_BEGIN, $signal;
		4052	$signal->wait;
		4053	}
		4054
		4055	sub tick {
		4056	if ($Coro::current != $Coro::main) {
		4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4058	unless ++$bug_warning > 10;
		4059	return;
		4060	}
		4061
2477	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;
2480		4063
2481	$WAIT_FOR_TICK->broadcast;	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2483		4065
2484	# if we are delayed by four ticks or more, skip them all	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2486		4068	Coro::async_pool {
2487	$TICK_WATCHER->at ($NEXT_TICK);	4069	$Coro::current->{desc} = "runtime saver";
2488	$TICK_WATCHER->start;
2489	},
2490	);
2491
2492	IO::AIO::max_poll_time $TICK * 0.2;
2493
2494	Event->io (
2495	fd => IO::AIO::poll_fileno,
2496	poll => 'r',
2497	prio => 5,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,
2504	after => 0,
2505	interval => 10,
2506	cb => sub {
2507	(Coro::unblock_sub {
2508	write_runtime	4070	write_runtime_sync
2509	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
2510	})->();	4072	};
2511	},	4073	}
2512	);	4074
		4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4076	$sig->send;
		4077	}
		4078	while (my $sig = shift @WAIT_FOR_TICK) {
		4079	$sig->send;
		4080	}
		4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
		4091	}
		4092	}
		4093
		4094	{
		4095	# configure BDB
		4096
		4097	BDB::min_parallel 16;
		4098	BDB::max_poll_reqs $TICK * 0.1;
		4099	$AnyEvent::BDB::WATCHER->priority (1);
		4100
		4101	unless ($DB_ENV) {
		4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4108
		4109	cf::sync_job {
		4110	eval {
		4111	BDB::db_env_open
		4112	$DB_ENV,
		4113	$BDBDIR,
		4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4116	0666;
		4117
		4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4119	};
		4120
		4121	cf::cleanup "db_env_open(db): $@" if $@;
		4122	};
		4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
		4134	}
		4135
		4136	{
		4137	# configure IO::AIO
		4138
		4139	IO::AIO::min_parallel 8;
		4140	IO::AIO::max_poll_time $TICK * 0.1;
		4141	undef $AnyEvent::AIO::WATCHER;
		4142	}
		4143
		4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
		4146
		4147	sub _log_backtrace {
		4148	my ($msg, @addr) = @_;
		4149
		4150	$msg =~ s/\n$//;
		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4155	# limit the # of concurrent backtraces
		4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
		4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
		4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
		4163	my @bt = fork_call {
		4164	@addr = map { sprintf "%x", $_ } @addr;
		4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4167	or die "addr2line: $!";
		4168
		4169	my @funcs;
		4170	my @res = <$fh>;
		4171	chomp for @res;
		4172	while (@res) {
		4173	my ($func, $line) = splice @res, 0, 2, ();
		4174	push @funcs, "[$func] $line";
		4175	}
		4176
		4177	@funcs
		4178	};
		4179
		4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4182	LOG llevInfo, "[ABT] $_\n" for @bt;
		4183	--$_log_backtrace;
		4184	};
		4185	} else {
		4186	LOG llevInfo, "[ABT] $msg\n";
		4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4188	}
		4189	}
		4190
		4191	# load additional modules
		4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2513		4194
2514	END { cf::emergency_save }	4195	END { cf::emergency_save }
2515		4196
2516	1	4197	1
2517		4198

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines