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 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 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 = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	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
45	our $NEXT_TICK;	121	our $NEXT_TICK;
46	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);
47		130
48	our %CFG;	131	our %CFG;
49		132
50	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
52		136
53	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		140
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
60	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 $REALLY_UNLOOP; # never set to true, please :)
61		153
62	binmode STDOUT;	154	binmode STDOUT;
63	binmode STDERR;	155	binmode STDERR;
64		156
65	# read virtual server time, if available	157	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
70	}	162	}
71		163
72	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		165
78	# a special map that is always available	166	mkdir $_
79	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
80	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::"} };
81		187
82	#############################################################################	188	#############################################################################
83		189
84	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
85		191
…		…
92	=item $cf::RUNTIME	198	=item $cf::RUNTIME
93		199
94	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
95	every server tick.	201	every server tick.
96		202
97	=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
98		206
99	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		211
102	=item $cf::NOW	212	=item $cf::NOW
103		213
104	The time of the last (current) server tick.	214	The time of the last (current) server tick.
105		215
106	=item $cf::TICK	216	=item $cf::TICK
107		217
108	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
109		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
110	=item %cf::CFG	230	=item %cf::CFG
111		231
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	233	from wherever your confdir points to.
114		234
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		236
117	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
118	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
119	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.
120	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.
121		257
122	=back	258	=back
123		259
124	=cut	260	=cut
125		261
126	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
127	*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 {
128	my $msg = join "", @_;	269	my $msg = join "", @_;
129	utf8::encode $msg;
130		270
131	$msg .= "\n"	271	$msg .= "\n"
132	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
133		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
134	LOG llevError, $msg;	276	LOG llevWarn, $msg;
135	};	277	};
136	}	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	};
137		292
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		300
145	# 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
146	# within the Safe compartment.	302	# within the Safe compartment.
147	for my $pkg (qw(	303	for my $pkg (qw(
148	cf::global cf::attachable	304	cf::global cf::attachable
149	cf::object cf::object::player	305	cf::object cf::object::player
150	cf::client cf::player	306	cf::client cf::player
151	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
152	cf::map cf::party cf::region	309	cf::party cf::region
153	)) {	310	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	312	}
157		313
158	$Event::DIED = sub {	314	$EV::DIED = sub {
159	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
160	};	316	};
161		317
162	my %ext_pkg;	318	#############################################################################
163	my @exts;
164	my @hook;
165		319
166	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
167		321
168	=over 4	322	=over 4
169		323
…		…
188	$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;
189	$d	343	$d
190	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
191	}	345	}
192		346
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
196		348
197	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
198		350
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
207		352
208	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
209		354
210	=cut	355	=cut
211		356
212	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
214	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	}
215	}	403	}
216		404
217	=item cf::lock_wait $string	405	=item cf::lock_wait $string
218		406
219	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
220		408
221	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
222		410
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
226	returned.	414	returned.
227		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
228	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
229	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
230		421
231	=cut	422	=item $locked = cf::lock_active $string
232		423
233	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
234		429
235	sub lock_wait($) {	430	sub lock_wait($) {
236	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	432	}
244		433
245	sub lock_acquire($) {	434	sub lock_acquire($) {
246	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
247		437
248	# wait, to be sure we are not locked	438	sub lock_active($) {
249	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	440	}
258		441
259	sub freeze_mainloop {	442	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
261		444
262	my $guard = Coro::guard { $TICK_WATCHER->start };	445	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	446	}
264	$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	$sig->wait;
265	}	528	}
266		529
267	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
268		531
269	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		537
275	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
276		539
277	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
278		541
279	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
282		546
283	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
286	fast or be very important.	550	fast or be very important.
…		…
288	=cut	552	=cut
289		553
290	sub sync_job(&) {	554	sub sync_job(&) {
291	my ($job) = @_;	555	my ($job) = @_;
292		556
293	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
294	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
296		562
297	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	564
299	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
300		566
301	my $busy = 1;	567	my $busy = 1;
302	my @res;	568	my @res;
303		569
304	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	572	@res = eval { $job->() };
306	warn $@ if $@;	573	error $@ if $@;
307	undef $busy;	574	undef $busy;
308	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
309		576
310	while ($busy) {	577	while ($busy) {
311	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
312	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
313		588
314	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
315	} else {	590	} else {
316	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
317		592
…		…
319	}	594	}
320	}	595	}
321		596
322	=item $coro = cf::async_ext { BLOCK }	597	=item $coro = cf::async_ext { BLOCK }
323		598
324	Like async, but this coro is automcatially being canceled when the	599	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	600	extension calling this is being unloaded.
326		601
327	=cut	602	=cut
328		603
329	sub async_ext(&) {	604	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
338		613
339	$coro	614	$coro
340	}	615	}
341		616
342	sub write_runtime {	617	=item fork_call { }, @args
343	my $runtime = cf::localdir . "/runtime";
344		618
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
346	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.
347		623
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		625
352	aio_fsync $fh	626	sub post_fork {
353	and return;	627	reset_signals;
		628	}
354		629
355	close $fh	630	sub fork_call(&@) {
356	or return;	631	my ($cb, @args) = @_;
357		632
358	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
359	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
360		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
361	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 });
362	}	821	}
363		822
364	=back	823	=back
365		824
366	=cut	825	=cut
367		826
368	#############################################################################	827	#############################################################################
369		828
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
493		830
494	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
495	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")
496	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
497		834
498	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>
499	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
500	crossfire+).	837	Deliantra).
501		838
502	=over 4	839	=over 4
503		840
504	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
505		842
…		…
549	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
550		887
551	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
553		890
554	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
555	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.
556		893
557	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
558		895
559	=over 4	896	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	957	our @CB_MAP = ();
621		958
622	my %attachment;	959	my %attachment;
623		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
624	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
626		969
627	use sort 'stable';	970	use sort 'stable';
628		971
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
663		1006
664	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		1011
669	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
671		1014
672	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
677		1020
678	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
679	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
680		1023
681	} elsif (ref $type) {	1024	} elsif (ref $type) {
682	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
683		1026
684	} else {	1027	} else {
685	shift @arg;	1028	shift @arg;
686	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
687	}	1030	}
688	}	1031	}
689	}	1032	}
690		1033
691	sub _object_attach {	1034	sub _object_attach {
…		…
701	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
702	}	1045	}
703		1046
704	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
705	} else {	1048	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
707	}	1050	}
708		1051
709	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
710	}	1053	}
711		1054
…		…
713	if (ref $_[0]) {	1056	if (ref $_[0]) {
714	_object_attach @_;	1057	_object_attach @_;
715	} else {	1058	} else {
716	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
717	}	1060	}
		1061	_recalc_want;
718	};	1062	};
719		1063
720	# all those should be optimised	1064	# all those should be optimised
721	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1070	reattach ($obj);
727	} else {	1071	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
729	}	1073	}
		1074	_recalc_want;
730	};	1075	};
731		1076
732	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
734		1079
…		…
749	";	1094	";
750	die if $@;	1095	die if $@;
751	}	1096	}
752		1097
753	our $override;	1098	our $override;
754	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?
755		1100
756	sub override {	1101	sub override {
757	$override = 1;	1102	$override = 1;
758	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
759	}	1104	}
760		1105
761	sub do_invoke {	1106	sub do_invoke {
762	my $event = shift;	1107	my $event = shift;
763	my $callbacks = shift;	1108	my $callbacks = shift;
764		1109
765	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
766		1111
767	local $override;	1112	local $override;
768		1113
769	for (@$callbacks) {	1114	for (@$callbacks) {
770	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
771		1116
772	if ($@) {	1117	if ($@) {
773	warn "$@";
774	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
775	override;	1119	override;
776	}	1120	}
777		1121
778	return 1 if $override;	1122	return 1 if $override;
779	}	1123	}
780		1124
781	0	1125	0
782	}	1126	}
783		1127
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1129
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1131
788	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
789		1133
790	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
791	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
792	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1137
794	=back	1138	=back
795		1139
796	=cut	1140	=cut
797		1141
798	#############################################################################	1142	#############################################################################
799	# 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	}
800		1186
801	sub reattach {	1187	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
803	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
804		1193
805	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
806		1195
807	@$registry = ();	1196	@$registry = ();
808		1197
…		…
813	for (@$attach) {	1202	for (@$attach) {
814	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
815	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
816	}	1205	}
817	} else {	1206	} else {
818	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
819	}	1208	}
820	}	1209	}
821	}	1210	}
822		1211
823	cf::attachable->attach (	1212	cf::attachable->attach (
824	prio => -1000000,	1213	prio => -1000000,
825	on_instantiate => sub {	1214	on_instantiate => sub {
826	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
827		1216
828	$data = from_json $data;	1217	$data = decode_json $data;
829		1218
830	for (@$data) {	1219	for (@$data) {
831	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
832		1221
833	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1238	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
851		1240
852	sync_job {	1241	sync_job {
853	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
856		1247
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$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;
860	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
861	close $fh;	1255	aio_close $fh;
862		1256
863	if (@$objs) {	1257	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	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;
868	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
869	close $fh;	1266	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
871	}	1268	}
872	} else {	1269	} else {
873	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
874	}	1271	}
875		1272
876	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1277	} else {
878	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
879	}	1279	}
880	} else {	1280	} else {
881	aio_unlink $filename;	1281	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
883	}	1283	}
884	}	1284	};
885	}	1285	}
886		1286
887	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
889		1289
…		…
901	or return;	1301	or return;
902		1302
903	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
905	or return;	1305	or return;
		1306
906	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
907	}	1309	}
908		1310
		1311	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
911	return ($data, $av);	1316	($data, $av)
912	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
913		1324
914	#############################################################################	1325	#############################################################################
915	# command handling &c	1326	# command handling &c
916		1327
917	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1342	}
932		1343
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1345
935	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.
936		1351
937	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
938	called.	1353	called.
939		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
940	=cut	1366	=cut
941		1367
942	sub register_extcmd {	1368	sub register_extcmd {
943	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
944		1370
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1371	$EXTCMD{$name} = $cb;
949	}	1372	}
		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
950		1381
951	cf::player->attach (	1382	cf::player->attach (
952	on_command => sub {	1383	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
954		1385
955	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
956	or return;	1387	or return;
957		1388
…		…
962	cf::override;	1393	cf::override;
963	},	1394	},
964	on_extcmd => sub {	1395	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
966		1397
967	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1399
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
975	} else {	1415	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1417	}
978		1418
979	cf::override;	1419	cf::override;
980	},	1420	},
981	);	1421	);
982		1422
983	sub register {	1423	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1424	sub cache_extensions {
990	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
991		1426
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1430	}
1042	}	1431	};
1043		1432
1044	# remove extcmds	1433	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1434	}
1058		1435
1059	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1060	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1443	next unless -r $path;
1062	eval {	1444
1063	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	}
1064	1	1508	}
1065	} 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	}
1066	}	1519	};
1067	}	1520	}
1068		1521
1069	#############################################################################	1522	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1523
1072	*cf::mapsupport::on_clean = sub {	1524	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1525
1085	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1086		1527
1087	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1088		1529
1089	=cut	1530	=cut
1090		1531
1091	package cf::player;	1532	package cf::player;
1092		1533
…		…
1094		1535
1095	=head3 cf::player	1536	=head3 cf::player
1096		1537
1097	=over 4	1538	=over 4
1098		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
1099	=item cf::player::find $login	1554	=item cf::player::find $login
1100		1555
1101	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1102		1557
1103	=cut	1558	=cut
1104		1559
1105	sub playerdir($) {	1560	sub playerdir($) {
1106	cf::localdir	1561	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1563	}
1112		1564
1113	sub path($) {	1565	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1567
1116	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
1117	}	1569	}
1118		1570
1119	sub find_active($) {	1571	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
1124		1576
1125	sub exists($) {	1577	sub exists($) {
1126	my ($login) = @_;	1578	my ($login) = @_;
1127		1579
1128	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
1130	}	1582	}
1131		1583
1132	sub find($) {	1584	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1586	my $login = $_[0];
1135		1587
1136	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
1137		1589
1138	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
1139	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
1140	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;
1141	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1142	}	1607	}
1143	}	1608	}
1144	}	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	);
1145		1623
1146	sub save($) {	1624	sub save($) {
1147	my ($pl) = @_;	1625	my ($pl) = @_;
1148		1626
1149	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1155		1633
1156	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1158		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
1159	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1160	Coro::cede;	1643	cf::cede_to_tick;
1161	}	1644	}
1162		1645
1163	sub new($) {	1646	sub new($) {
1164	my ($login) = @_;	1647	my ($login) = @_;
1165		1648
…		…
1171	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1172		1655
1173	$self	1656	$self
1174	}	1657	}
1175		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
1176	=item $pl->quit_character	1669	=item $pl->quit_character
1177		1670
1178	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
1179	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1180		1673
1181	=cut	1674	=cut
1182		1675
1183	sub quit_character {	1676	sub quit_character {
1184	my ($pl) = @_;	1677	my ($pl) = @_;
1185		1678
		1679	my $name = $pl->ob->name;
		1680
1186	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1187	$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
1188		1683
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1190	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1192	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1193		1692
1194	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1719	}
1201		1720
1202	=item cf::player::list_logins	1721	=item cf::player::list_logins
1203		1722
1204	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
1205	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1206		1725
1207	=cut	1726	=cut
1208		1727
1209	sub list_logins {	1728	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1730	or return [];
1212		1731
1213	my @logins;	1732	my @logins;
1214		1733
1215	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") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1219		1744
1220	utf8::decode $login;	1745	utf8::decode $login;
1221	push @logins, $login;	1746	push @logins, $login;
1222	}	1747	}
1223		1748
1224	\@logins	1749	\@logins
1225	}	1750	}
1226		1751
1227	=item $player->maps	1752	=item $player->maps
1228		1753
		1754	=item cf::player::maps $login
		1755
1229	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
1230	player. May block.	1757	player. May block.
1231		1758
1232	=cut	1759	=cut
1233		1760
1234	sub maps($) {	1761	sub maps($) {
1235	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1765
1237	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1238	or return;	1767	or return;
1239		1768
1240	my @paths;	1769	my @paths;
1241		1770
1242	for (@$files) {	1771	for (@$files) {
1243	utf8::decode $_;	1772	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1774	next unless /^$PATH_SEP/o;
1246		1775
1247	s/$PATH_SEP/\//g;	1776	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
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 $DEFAULT_RESET = 3000;
1286		1860
1287	sub generate_random_map {	1861	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1865
1290	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1867	$self->_create_random_map (
1292	$path,	1868	$rmp,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1879	(cf::region::find $rmp->{region})
		1880	)
1304	}	1881	}
1305		1882
1306	# and all this just because we cannot iterate over	1883	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1884
1311	$_->change_map_light ($change)	1885	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1886	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1887	default).
1314		1888
1315	sub try_load_header($) {	1889	=cut
		1890
		1891	sub register {
		1892	my (undef, $regex, $prio) = @_;
		1893	my $pkg = caller;
		1894
		1895	push @{"$pkg\::ISA"}, __PACKAGE__;
		1896
		1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1898	}
		1899
		1900	# also paths starting with '/'
		1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1902
		1903	sub thawer_merge {
		1904	my ($self, $merge) = @_;
		1905
		1906	# we have to keep some variables in memory intact
		1907	local $self->{path};
		1908	local $self->{load_path};
		1909
		1910	$self->SUPER::thawer_merge ($merge);
		1911	}
		1912
		1913	sub normalise {
1316	my ($path) = @_;	1914	my ($path, $base) = @_;
		1915
		1916	$path = "$path"; # make sure it's a string
		1917
		1918	$path =~ s/\.map$//;
		1919
		1920	# map plan:
		1921	#
		1922	# /! non-realised random map exit (special hack!)
		1923	# {... are special paths that are not being touched
		1924	# ?xxx/... are special absolute paths
		1925	# ?random/... random maps
		1926	# /... normal maps
		1927	# ~user/... per-player map of a specific user
		1928
		1929	$path =~ s/$PATH_SEP/\//go;
		1930
		1931	# treat it as relative path if it starts with
		1932	# something that looks reasonable
		1933	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1934	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1935
		1936	$base =~ s{[^/]+/?$}{};
		1937	$path = "$base/$path";
		1938	}
		1939
		1940	for ($path) {
		1941	redo if s{/\.?/}{/};
		1942	redo if s{/[^/]+/\.\./}{/};
		1943	}
		1944
		1945	$path
		1946	}
		1947
		1948	sub new_from_path {
		1949	my (undef, $path, $base) = @_;
		1950
		1951	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1952
		1953	$path = normalise $path, $base;
		1954
		1955	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1956	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1957	my $self = bless cf::map::new, $pkg;
		1958	$self->{path} = $path; $self->path ($path);
		1959	$self->init; # pass $1 etc.
		1960	return $self;
		1961	}
		1962	}
		1963
		1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1965	()
		1966	}
		1967
		1968	sub init {
		1969	my ($self) = @_;
		1970
		1971	$self
		1972	}
		1973
		1974	sub as_string {
		1975	my ($self) = @_;
		1976
		1977	"$self->{path}"
		1978	}
		1979
		1980	# the displayed name, this is a one way mapping
		1981	sub visible_name {
		1982	&as_string
		1983	}
		1984
		1985	# the original (read-only) location
		1986	sub load_path {
		1987	my ($self) = @_;
		1988
		1989	"$MAPDIR/$self->{path}.map"
		1990	}
		1991
		1992	# the temporary/swap location
		1993	sub save_path {
		1994	my ($self) = @_;
		1995
		1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1997	"$TMPDIR/$path.map"
		1998	}
		1999
		2000	# the unique path, undef == no special unique path
		2001	sub uniq_path {
		2002	my ($self) = @_;
		2003
		2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2005	"$UNIQUEDIR/$path"
		2006	}
		2007
		2008	sub decay_objects {
		2009	my ($self) = @_;
		2010
		2011	return if $self->{deny_reset};
		2012
		2013	$self->do_decay_objects;
		2014	}
		2015
		2016	sub unlink_save {
		2017	my ($self) = @_;
		2018
		2019	utf8::encode (my $save = $self->save_path);
		2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2021	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2022	}
		2023
		2024	sub load_header_from($) {
		2025	my ($self, $path) = @_;
1317		2026
1318	utf8::encode $path;	2027	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1320	or return;	2029	or return;
1321		2030
1322	my $map = cf::map::new	2031	$self->_load_header ($f)
1323	or return;	2032	or return;
1324		2033
1325	# for better error messages only, will be overwritten	2034	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	2035	$f->resolve_delayed_derefs;
1327		2036
1328	$map->load_header ($path)	2037	$self->{load_path} = $path;
		2038
		2039	1
		2040	}
		2041
		2042	sub load_header_orig {
		2043	my ($self) = @_;
		2044
		2045	$self->load_header_from ($self->load_path)
		2046	}
		2047
		2048	sub load_header_temp {
		2049	my ($self) = @_;
		2050
		2051	$self->load_header_from ($self->save_path)
		2052	}
		2053
		2054	sub prepare_temp {
		2055	my ($self) = @_;
		2056
		2057	$self->last_access ((delete $self->{last_access})
		2058	|| $cf::RUNTIME); #d#
		2059	# safety
		2060	$self->{instantiate_time} = $cf::RUNTIME
		2061	if $self->{instantiate_time} > $cf::RUNTIME;
		2062	}
		2063
		2064	sub prepare_orig {
		2065	my ($self) = @_;
		2066
		2067	$self->{load_original} = 1;
		2068	$self->{instantiate_time} = $cf::RUNTIME;
		2069	$self->last_access ($cf::RUNTIME);
		2070	$self->instantiate;
		2071	}
		2072
		2073	sub load_header {
		2074	my ($self) = @_;
		2075
		2076	if ($self->load_header_temp) {
		2077	$self->prepare_temp;
		2078	} else {
		2079	$self->load_header_orig
1329	or return;	2080	or return;
		2081	$self->prepare_orig;
		2082	}
1330		2083
1331	$map->{load_path} = $path;	2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
1332		2086
1333	$map	2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
		2089
		2090	1
1334	}	2091	}
1335		2092
1336	sub find;	2093	sub find;
1337	sub find {	2094	sub find {
1338	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1339		2096
1340	#warn "find<$path,$origin>\n";#d#	2097	cf::cede_to_tick;
1341		2098
1342	$path = new cf::path $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2100
1345	cf::lock_wait "map_find:$key";	2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2103
1350	# do it the slow way	2104	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2105	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2106	or return;
1369		2107
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1382		2109
1383	Coro::cede;	2110	$map->load_header
		2111	or return;
1384		2112
1385	if ($map->should_reset) {	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2114	# doing this can freeze the server in a sync job, obviously
		2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1386	$map->reset;	2118	$map->reset;
1387	undef $guard;
1388	$map = find $path	2119	return find $path;
1389	or return;
1390	}	2120	}
1391		2121
1392	$cf::MAP{$key} = $map	2122	$cf::MAP{$path} = $map
1393	}	2123	}
1394	}	2124	}
		2125
		2126	sub pre_load { }
		2127	#sub post_load { } # XS
1395		2128
1396	sub load {	2129	sub load {
1397	my ($self) = @_;	2130	my ($self) = @_;
1398		2131
		2132	local $self->{deny_reset} = 1; # loading can take a long time
		2133
1399	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2137	my $guard = cf::lock_acquire "map_data:$path";
1401		2138
		2139	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2141
1404	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1405		2143
1406	$self->alloc;	2144	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2145
		2146	$self->pre_load;
		2147	cf::cede_to_tick;
		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1408	or return;	2152	or return;
1409		2153
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1411	if delete $self->{load_original};	2155	if delete $self->{load_original};
1412		2156
1413	if (my $uniq = $path->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2158	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2161	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1418	}	2165	}
1419	}	2166	}
1420		2167
1421	Coro::cede;	2168	$f->resolve_delayed_derefs;
1422		2169
		2170	cf::cede_to_tick;
1423	# now do the right thing for maps	2171	# now do the right thing for maps
1424	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2174	unless $self->difficulty;
		2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1436	$self->activate;	2182	$self->activate;
1437	}	2183	}
1438		2184
1439	Coro::cede;	2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
1440		2187
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
		2189	}
		2190
		2191	$self->post_load;
		2192
		2193	1
		2194	}
		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
		2199	sub customise_for {
		2200	my ($self, $ob) = @_;
		2201
		2202	return find "~" . $ob->name . "/" . $self->{path}
		2203	if $self->per_player;
		2204
		2205	# return find "?party/" . $ob->name . "/" . $self->{path}
		2206	# if $self->per_party;
		2207
		2208	$self
1442	}	2209	}
1443		2210
1444	# find and load all maps in the 3x3 area around a map	2211	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2212	sub load_neighbours {
1446	my ($map) = @_;	2213	my ($map) = @_;
1447		2214
1448	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1449		2216
1450	for (0 .. 3) {	2217	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1452	or next;	2219	or next;
1453	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1454	or next;	2221	or next;
1455	$neigh->load;	2222	$neigh->load;
1456		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2228	}
1460		2229
1461	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1463	or next;	2233	or next;
1464	$neigh->load;	2234	$neigh->load;
1465	}	2235	}
1466	}	2236	}
1467		2237
1468	sub find_sync {	2238	sub find_sync {
1469	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1470		2240
1471	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1472	}	2245	}
1473		2246
1474	sub do_load_sync {	2247	sub do_load_sync {
1475	my ($map) = @_;	2248	my ($map) = @_;
1476		2249
1477	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
1478	}	2254	}
1479		2255
1480	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
		2257	our $MAP_PREFETCHER = undef;
		2258
		2259	sub find_async {
		2260	my ($path, $origin, $load) = @_;
		2261
		2262	$path = normalise $path, $origin && $origin->{path};
		2263
		2264	if (my $map = $cf::MAP{$path}) {
		2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2266	}
		2267
		2268	$MAP_PREFETCH{$path} |= $load;
		2269
1481	our $MAP_PREFETCHER = Coro::async {	2270	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2271	$Coro::current->{desc} = "map prefetcher";
		2272
1483	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2275	if (my $map = find $k) {
		2276	$map->load if $v;
		2277	}
		2278
1486	my $path = delete $MAP_PREFETCH{$key};	2279	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2280	}
1492	Coro::schedule;	2281	}
		2282	undef $MAP_PREFETCHER;
1493	}	2283	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2284	$MAP_PREFETCHER->prio (6);
1508		2285
1509	()	2286	()
		2287	}
		2288
		2289	# common code, used by both ->save and ->swapout
		2290	sub _save {
		2291	my ($self) = @_;
		2292
		2293	$self->{last_save} = $cf::RUNTIME;
		2294
		2295	return unless $self->dirty;
		2296
		2297	my $save = $self->save_path; utf8::encode $save;
		2298	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2299
		2300	$self->{load_path} = $save;
		2301
		2302	return if $self->{deny_save};
		2303
		2304	local $self->{last_access} = $self->last_access;#d#
		2305
		2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
		2308	$_->contr->save for $self->players;
		2309	};
		2310
		2311	cf::get_slot 0.02;
		2312
		2313	if ($uniq) {
		2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2316	} else {
		2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2318	}
1510	}	2319	}
1511		2320
1512	sub save {	2321	sub save {
1513	my ($self) = @_;	2322	my ($self) = @_;
1514		2323
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2325
1517	$self->{last_save} = $cf::RUNTIME;	2326	$self->_save;
1518
1519	return unless $self->dirty;
1520
1521	my $save = $self->{path}->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1523
1524	$self->{load_path} = $save;
1525
1526	return if $self->{deny_save};
1527
1528	local $self->{last_access} = $self->last_access;#d#
1529
1530	cf::async {
1531	$_->contr->save for $self->players;
1532	};
1533
1534	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}
1540	}	2327	}
1541		2328
1542	sub swap_out {	2329	sub swap_out {
1543	my ($self) = @_;	2330	my ($self) = @_;
1544		2331
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1550	return if $self->players;	2336	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1554	$self->clear;	2347	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2348	}
1557		2349
1558	sub reset_at {	2350	sub reset_at {
1559	my ($self) = @_;	2351	my ($self) = @_;
1560		2352
1561	# TODO: safety, remove and allow resettable per-player maps	2353	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2354	return 1e99 if $self->{deny_reset};
1564		2355
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2356	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2357	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2358
…		…
1572	my ($self) = @_;	2363	my ($self) = @_;
1573		2364
1574	$self->reset_at <= $cf::RUNTIME	2365	$self->reset_at <= $cf::RUNTIME
1575	}	2366	}
1576		2367
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2368	sub reset {
1599	my ($self) = @_;	2369	my ($self) = @_;
1600		2370
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2372
1603	return if $self->players;	2373	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2374
1606	warn "resetting map ", $self->path;#d#	2375	cf::trace "resetting map ", $self->path, "\n";
		2376
		2377	$self->in_memory (cf::MAP_SWAPPED);
		2378
		2379	# need to save uniques path
		2380	unless ($self->{deny_save}) {
		2381	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2382
		2383	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2384	if $uniq;
		2385	}
1607		2386
1608	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1609		2388
		2389	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2390	$_->clear_links_to ($self) for values %cf::MAP;
		2391	$self->clear;
1611		2392
1612	$self->unlink_save;	2393	$self->unlink_save;
1613	$self->destroy;	2394	$self->destroy;
1614	}	2395	}
1615		2396
1616	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1617		2398
1618	sub nuke {	2399	sub nuke {
1619	my ($self) = @_;	2400	my ($self) = @_;
1620		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
		2405	delete $cf::MAP{$self->path};
		2406
		2407	$self->unlink_save;
		2408
		2409	bless $self, "cf::map::wrap";
		2410	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2414
		2415	$cf::MAP{$self->path} = $self;
		2416	}
		2417
1624	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
1625	}	2419	}
1626		2420
1627	sub customise_for {	2421	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2422
1630	if ($map->per_player) {	2423	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2424	maps. May block.
		2425
		2426	=cut
		2427
		2428	sub tmp_maps() {
1632	}	2429	[
		2430	map {
		2431	utf8::decode $_;
		2432	/\.map$/
		2433	? normalise $_
		2434	: ()
		2435	} @{ aio_readdir $TMPDIR or [] }
		2436	]
		2437	}
1633		2438
		2439	=item $maps = cf::map::random_maps
		2440
		2441	Returns an arrayref with all map paths of currently instantiated and saved
		2442	random maps. May block.
		2443
		2444	=cut
		2445
		2446	sub random_maps() {
		2447	[
		2448	map {
		2449	utf8::decode $_;
		2450	/\.map$/
		2451	? normalise "?random/$_"
		2452	: ()
		2453	} @{ aio_readdir $RANDOMDIR or [] }
		2454	]
		2455	}
		2456
		2457	=item cf::map::unique_maps
		2458
		2459	Returns an arrayref of paths of all shared maps that have
		2460	instantiated unique items. May block.
		2461
		2462	=cut
		2463
		2464	sub unique_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	s/\.map$//; # TODO future compatibility hack
		2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2470	? ()
		2471	: normalise $_
		2472	} @{ aio_readdir $UNIQUEDIR or [] }
		2473	]
		2474	}
		2475
		2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
		2503	}
		2504
1634	$map	2505	\@maps
1635	}	2506	}
1636
1637	package cf;
1638		2507
1639	=back	2508	=back
1640		2509
1641	=head3 cf::object	2510	=head3 cf::object
1642		2511
…		…
1646		2515
1647	=over 4	2516	=over 4
1648		2517
1649	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
1650		2519
1651	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
1652		2522
1653	=cut	2523	=cut
1654		2524
1655	sub inv_recursive_;	2525	sub inv_recursive_;
1656	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
1659		2529
1660	sub inv_recursive {	2530	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
1662	}	2532	}
1663		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
1664	package cf;	2562	package cf;
1665		2563
1666	=back	2564	=back
1667		2565
1668	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1677		2575
1678	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
1679		2591
1680	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2593	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1685		2597
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2599
1688	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1690	} else {	2603	} else {
		2604	my $pl = $self->contr;
		2605
		2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2607	my $dialog = $pl->{npc_dialog};
		2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2609
		2610	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1693	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
1694	}	2625	}
1695		2626
1696	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1697		2628
1698	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1711		2642
1712	=item $player_object->enter_link	2643	=item $player_object->enter_link
1713		2644
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2646
1716	The player should be reaosnably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
		2651
		2652	Will never block.
1718		2653
1719	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1720		2655
1721	Moves the player out of the specila link map onto the given map. If the	2656	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2657	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2658	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2659	fails, to the emergency map position.
1725		2660
1726	Might block.	2661	Might block.
1727		2662
1728	=cut	2663	=cut
		2664
		2665	sub link_map {
		2666	unless ($LINK_MAP) {
		2667	$LINK_MAP = cf::map::find "{link}"
		2668	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2669	$LINK_MAP->load;
		2670	}
		2671
		2672	$LINK_MAP
		2673	}
1729		2674
1730	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2676	my ($self) = @_;
1732		2677
1733	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1734		2679
1735	return if $self->map == $LINK_MAP;	2680	++$self->{_link_recursion};
		2681
		2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2683
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2685	if $self->map && $self->map->{path} ne "{link}";
1739		2686
1740	$self->enter_map ($LINK_MAP, 20, 20);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2688	}
1742		2689
1743	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
		2692
		2693	return unless $self->contr->active;
1745		2694
1746	my $link_pos = delete $self->{_link_pos};	2695	my $link_pos = delete $self->{_link_pos};
1747		2696
1748	unless ($map) {	2697	unless ($map) {
1749	# restore original map position	2698	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
1762		2711
1763	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
1766		2715
1767	$map->load;	2716	$map->load;
1768	$map->load_diag;	2717	$map->load_neighbours;
1769		2718
1770	return unless $self->contr->active;	2719	return unless $self->contr->active;
		2720
		2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2722	if ($self->enter_map ($map, $x, $y)) {
		2723	# entering was successful
		2724	delete $self->{_link_recursion};
		2725	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2726	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}
1774
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},	2727	}
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2728
1789	# try to abort aborted map switching on player login :)	2729	}
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2730
1807	=item $player_object->goto ($path, $x, $y)	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808		2732
		2733	Moves the player to the given map-path and coordinates by first freezing
		2734	her, loading and preparing them map, calling the provided $check callback
		2735	that has to return the map if sucecssful, and then unfreezes the player on
		2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
		2741
1809	=cut	2742	=cut
		2743
		2744	our $GOTOGEN;
1810		2745
1811	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2748
1814	$path = new cf::path $path;	2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
1815	$path ne "/" or Carp::cluck ("oy");#d#	2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
		2754
		2755	# do generation counting so two concurrent goto's will be executed in-order
		2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2757
1817	$self->enter_link;	2758	$self->enter_link;
1818		2759
1819	(async {	2760	(async {
1820	my $map = cf::map::find $path->as_string;	2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
		2782	my $map = eval {
		2783	my $map = defined $path ? cf::map::find $path : undef;
		2784
		2785	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2786	$map = $map->customise_for ($self);
1822		2787	$map = $check->($map, $x, $y, $self) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2788	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2790	}
1827		2791
		2792	$map
		2793	};
		2794
		2795	if ($@) {
		2796	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2797	LOG llevError | logBacktrace, Carp::longmess $@;
		2798	}
		2799
		2800	if ($gen == $self->{_goto_generation}) {
		2801	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
		2803	}
		2804
		2805	$done->($self) if $done;
1829	})->prio (1);	2806	})->prio (1);
1830	}	2807	}
1831		2808
1832	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
1833		2810
…		…
1835		2812
1836	sub parse_random_map_params {	2813	sub parse_random_map_params {
1837	my ($spec) = @_;	2814	my ($spec) = @_;
1838		2815
1839	my $rmp = { # defaults	2816	my $rmp = { # defaults
1840	xsize => 10,	2817	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2818	ysize => (cf::rndm 15, 40),
		2819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2820	#layout => string,
1842	};	2821	};
1843		2822
1844	for (split /\n/, $spec) {	2823	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2824	my ($k, $v) = split /\s+/, $_, 2;
1846		2825
…		…
1858	# that depends on the exit object	2837	# that depends on the exit object
1859		2838
1860	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
1861		2840
1862	if ($exit->map) {	2841	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2842	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
1867	}	2848	}
1868		2849
1869	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
1870		2851
1871	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
		2854	my $meta = "$RANDOMDIR/$md5.meta";
1873		2855
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
		2858	undef $fh;
		2859	aio_rename "$meta~", $meta;
1876		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
1879	}	2867	}
1880	}	2868	}
1881		2869
1882	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
1886		2874
1887	$self->enter_link;	2875	$self->enter_link;
1888		2876
1889	(async {	2877	(async {
1890	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
1891	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
1892	prepare_random_map $exit	2887	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2888	if $exit->slaying eq "/!";
		2889	}
1894		2890
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
1897		2894
		2895	$self->goto ($map, $x, $y);
		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
1898	1;	2901	1
1899	}) {	2902	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2905	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2907
1905	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
1906	$self->leave_link;	2909	$self->leave_link;
1907	}	2910	}
1908	})->prio (1);	2911	})->prio (1);
1909	}	2912	}
1910		2913
…		…
1921		2924
1922	sub cf::client::send_drawinfo {	2925	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2926	my ($self, $text, $flags) = @_;
1924		2927
1925	utf8::encode $text;	2928	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2930	}
1928		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
		2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2958
		2959	Send a drawinfo or msg packet to the client, formatting the msg for the
		2960	client if neccessary. C<$type> should be a string identifying the type of
		2961	the message, with C<log> being the default. If C<$color> is negative, suppress
		2962	the message unless the client supports the msg packet.
		2963
		2964	=cut
		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
		3080	sub cf::client::send_msg {
		3081	my ($self, $channel, $msg, $color, @extra) = @_;
		3082
		3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
		3104
		3105	return unless @extra || length $msg;
		3106
		3107	# default colour, mask it out
		3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3109	if $color & cf::NDI_DEF;
		3110
		3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
		3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3114	);
		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
		3119	=item $client->ext_msg ($type, @msg)
		3120
		3121	Sends an ext event to the client.
		3122
		3123	=cut
		3124
		3125	sub cf::client::ext_msg($$@) {
		3126	my ($self, $type, @msg) = @_;
		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
		3131	push @msg, msgtype => "event_$type";
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
		3152	}
1929		3153
1930	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
1931		3155
1932	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3157	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3158	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		3159
1936	Queries can fail, so check the return code. Or don't, as queries will become	3160	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	3161	become reliable at some point in the future.
1938		3162
1939	=cut	3163	=cut
1940		3164
1941	sub cf::client::query {	3165	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	3174	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		3176
1953	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
1955	}	3181	}
1956		3182
1957	cf::client->attach (	3183	cf::client->attach (
		3184	on_connect => sub {
		3185	my ($ns) = @_;
		3186
		3187	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3188	},
1958	on_reply => sub {	3189	on_reply => sub {
1959	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
1960		3191
1961	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
1962	# get handled first	3193	# get handled first
1963	my $queue = delete $ns->{query_queue}	3194	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	3195	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		3196
1966	(shift @$queue)->[1]->($msg);	3197	(shift @$queue)->[1]->($msg);
		3198	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		3199
1968	push @{ $ns->{query_queue} }, @$queue;	3200	push @{ $ns->{query_queue} }, @$queue;
1969		3201
1970	if (@{ $ns->{query_queue} } == @$queue) {	3202	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3203	if (@$queue) {
…		…
1973	} else {	3205	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3207	}
1976	}	3208	}
1977	},	3209	},
		3210	on_exticmd => sub {
		3211	my ($ns, $buf) = @_;
		3212
		3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3214
		3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
		3223	if (my $cb = $EXTICMD{$type}) {
		3224	@reply = $cb->($ns, @payload);
		3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
		3230	} else {
		3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3232	}
		3233
		3234	cf::override;
		3235	},
1978	);	3236	);
1979		3237
1980	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
1981		3239
1982	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
1998		3256
1999	$coro	3257	$coro
2000	}	3258	}
2001		3259
2002	cf::client->attach (	3260	cf::client->attach (
2003	on_destroy => sub {	3261	on_client_destroy => sub {
2004	my ($ns) = @_;	3262	my ($ns) = @_;
2005		3263
2006	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2007	},	3265	},
2008	);	3266	);
…		…
2023	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2025		3283
2026	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2027		3285
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
2029		3291
2030	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
2031		3293
2032	=pod	3294	=pod
2033		3295
2034	The following fucntions and emthods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2035		3297
2036	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
2037	cf::object::player player	3303	cf::object::player
2038	cf::player peaceful	3304	player
2039	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2040		3311
2041	=cut	3312	=cut
2042		3313
2043	for (	3314	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
2045	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2047	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2048	) {	3321	) {
2049	no strict 'refs';
2050	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2051	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2052	for @funs;	3324	for @funs;
2053	}	3325	}
2054		3326
…		…
2069		3341
2070	my $qcode = $code;	3342	my $qcode = $code;
2071	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2072	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2073		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2074	local $_;	3349	local $_;
2075	local @safe::cf::_safe_eval_args = values %vars;
2076		3350
2077	my $eval =	3351	my $eval =
2078	"do {\n"	3352	"do {\n"
2079	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2080	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2081	. $code	3355	. $code
2082	. "\n}"	3356	. "\n}"
2083	;	3357	;
2084		3358
		3359	if ($CFG{safe_eval}) {
2085	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2086	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2087	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2088		3368
2089	if ($@) {	3369	if ($@) {
2090	warn "$@";	3370	warn "$@",
2091	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2092	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2093	}	3373	}
2094		3374
2095	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2096	}	3376	}
2097		3377
…		…
2111	=cut	3391	=cut
2112		3392
2113	sub register_script_function {	3393	sub register_script_function {
2114	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2115		3395
2116	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2117	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2118	}	3398	}
2119		3399
2120	=back	3400	=back
2121		3401
2122	=cut	3402	=cut
2123		3403
2124	#############################################################################	3404	#############################################################################
		3405	# the server's init and main functions
2125		3406
2126	=head2 EXTENSION DATABASE SUPPORT	3407	sub load_facedata($) {
		3408	my ($path) = @_;
2127		3409
2128	Crossfire maintains a very simple database for extension use. It can	3410	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3411	# for this (global event?)
2130	excludes objects.	3412	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3413
2132	The parameter C<$family> should best start with the name of the extension	3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3415
2135	=over 4	3416	trace "loading facedata from $path\n";
2136		3417
2137	=item $hashref = cf::db_get $family	3418	0 < aio_load $path, my $facedata
		3419	or die "$path: $!";
2138		3420
2139	Return a hashref for use by the extension C<$family>, which can be	3421	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3422
2143	=item $value = cf::db_get $family => $key	3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3425
2145	Returns a single value from the database	3426	# patch in the exptable
2146		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2147	=item cf::db_put $family => $hashref	3428	$facedata->{resource}{"res/exp_table"} = {
2148		3429	type => FT_RSRC,
2149	Stores the given family hashref into the database. Updates are delayed, if	3430	data => $exp_table,
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3431	hash => (Digest::MD5::md5 $exp_table),
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	3432	};
		3433	cf::cede_to_tick;
2198		3434
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3435	{
		3436	my $faces = $facedata->{faceinfo};
2203		3437
2204	sub db_get($;$) {	3438	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3440
2210	sub db_put($$;$) {	3441	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3442	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2213	} else {	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3445
2219	cf::global->attach (	3446	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3447	}
2224	);
2225	}
2226		3448
2227	#############################################################################	3449	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3450	next unless $info->{smooth};
2229		3451
2230	sub cfg_load {	3452	my $idx = cf::face::find $face
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3453	or next;
2232	or return;
2233		3454
2234	local $/;	3455	if (my $smooth = cf::face::find $info->{smooth}) {
2235	*CFG = YAML::Syck::Load <$fh>;	3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
2236		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
		3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
		3496	1
		3497	}
		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
		3569	sub reload_resources {
		3570	trace "reloading resource files...\n";
		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
		3577	reload_regions;
		3578	reload_treasures;
		3579
		3580	trace "finished reloading resource files\n";
		3581	}
		3582
		3583	sub reload_config {
		3584	trace "reloading config file...\n";
		3585
		3586	0 < aio_load "$CONFDIR/config", my $config
		3587	or die "$CONFDIR/config: $!";
		3588
		3589	utf8::decode $config;
		3590	*CFG = yaml_load $config;
		3591
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2238		3593
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2241		3596
2242	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2246	};	3601	};
2247	warn $@ if $@;	3602	warn $@ if $@;
2248	}	3603	}
2249	}	3604	}
2250		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
2251	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2252	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3647	(async {
		3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
		3650	})->prio (Coro::PRIO_MAX);
2256	};	3651	};
2257		3652
2258	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
		3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2260	load_extensions;	3676	load_extensions;
2261	Event::loop;	3677
		3678	utime time, time, $RUNTIMEFILE;
		3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2262	}	3696	}
2263		3697
2264	#############################################################################	3698	#############################################################################
2265	# initialisation and cleanup	3699	# initialisation and cleanup
2266		3700
2267	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2268	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2275	},
2276	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2277	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2278	}	3797	}
2279		3798
2280	sub emergency_save() {	3799	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2282		3801
2283	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2284		3808
2285	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2286	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3820	$pl->save;
2294	}	3821	}
2295	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2296		3823
2297	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3829	$map->valid or next;
2301	$map->save;	3830	$map->save;
2302	}	3831	}
2303	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2304	};	3862	};
2305		3863
2306	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2307	}	3865	}
2308		3866
		3867	sub post_cleanup {
		3868	my ($make_core) = @_;
		3869
		3870	IO::AIO::flush;
		3871
		3872	error Carp::longmess "post_cleanup backtrace"
		3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2309	sub reload() {	3904	sub do_reload_perl() {
2310	# can/must only be called in main	3905	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2312	warn "can only reload from main coroutine\n";	3907	error "can only reload from main coroutine";
2313	return;	3908	return;
2314	}	3909	}
2315		3910
2316	warn "reloading...";	3911	return if $RELOAD++;
2317		3912
2318	my $guard = freeze_mainloop;	3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
		3921	cf::sync_job {
2319	cf::emergency_save;	3922	#cf::emergency_save;
2320		3923
2321	eval {	3924	trace "perl_reload: cancelling all extension coros";
2322	# if anything goes wrong in here, we should simply crash as we already saved
2323
2324	# cancel all watchers
2325	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}
2328
2329	# cancel all extension coros
2330	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3926	%EXT_CORO = ();
2332		3927
2333	# unload all extensions	3928	trace "perl_reload: removing commands";
2334	for (@exts) {	3929	%COMMAND = ();
2335	warn "unloading <$_>";
2336	unload_extension $_;
2337	}
2338		3930
2339	# unload all modules loaded from $LIBDIR	3931	trace "perl_reload: removing ext/exti commands";
2340	while (my ($k, $v) = each %INC) {	3932	%EXTCMD = ();
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	%EXTICMD = ();
2342		3934
2343	warn "removing <$k>";	3935	trace "perl_reload: unloading/nuking all extensions";
2344	delete $INC{$k};	3936	for my $pkg (@EXTS) {
		3937	trace "... unloading $pkg";
2345		3938
2346	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;
2348
2349	if (my $cb = $k->can ("unload_module")) {	3939	if (my $cb = $pkg->can ("unload")) {
		3940	eval {
2350	$cb->();	3941	$cb->($pkg);
		3942	1
		3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2351	}	3948	}
2352		3949
2353	Symbol::delete_package $k;	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		3951	while (my ($k, $v) = each %INC) {
		3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3953
		3954	trace "... unloading $k";
		3955	delete $INC{$k};
		3956
		3957	$k =~ s/\.pm$//;
		3958	$k =~ s/\//::/g;
		3959
		3960	if (my $cb = $k->can ("unload_module")) {
		3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2354	}	3965	}
2355		3966
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3970
2364	# remove register_script_function callbacks	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2369		3974
2370	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3976	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2373		3978
2374	# reload cf.pm	3979	info "perl_reload: unload completed, starting to reload now";
2375	warn "reloading cf.pm";	3980
		3981	trace "perl_reload: reloading cf.pm";
2376	require cf;	3982	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2378		3984
2379	# load config and database again	3985	trace "perl_reload: loading config and database again";
2380	cf::cfg_load;	3986	cf::reload_config;
2381	cf::db_load;
2382		3987
2383	# load extensions	3988	trace "perl_reload: loading extensions";
2384	warn "load extensions";
2385	cf::load_extensions;	3989	cf::load_extensions;
2386		3990
2387	# reattach attachments to objects	3991	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3992	trace "perl_reload: reattaching attachments to objects/players";
2389	_global_reattach;	3993	_global_reattach; # objects, sockets
		3994	trace "perl_reload: reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "perl_reload: reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
		3999
		4000	cf::_post_init 1;
		4001
		4002	trace "perl_reload: leaving sync_job";
		4003
		4004	1
		4005	} or do {
		4006	error $@;
		4007	cf::cleanup "perl_reload: error, exiting.";
		4008	};
		4009
		4010	--$RELOAD;
		4011	}
		4012
		4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
		4015	};
		4016
		4017	our $RELOAD_WATCHER; # used only during reload
		4018
		4019	sub reload_perl() {
		4020	# doing reload synchronously and two reloads happen back-to-back,
		4021	# coro crashes during coro_state_free->destroy here.
		4022
		4023	$RELOAD_WATCHER ||= cf::async {
		4024	Coro::AIO::aio_wait cache_extensions;
		4025
		4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4027	do_reload_perl;
		4028	undef $RELOAD_WATCHER;
		4029	};
2391	};	4030	};
2392
2393	if ($@) {
2394	warn $@;
2395	warn "error while reloading, exiting.";
2396	exit 1;
2397	}
2398
2399	warn "reloaded successfully";
2400	};
2401
2402	#############################################################################
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	4031	}
2444
2445	register "<global>", __PACKAGE__;
2446		4032
2447	register_command "reload" => sub {	4033	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2449		4035
2450	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	4037	$who->message ("reloading server.");
		4038	async {
		4039	$Coro::current->{desc} = "perl_reload";
		4040	reload_perl;
		4041	};
2454	}	4042	}
2455	};	4043	};
2456		4044
2457	unshift @INC, $LIBDIR;	4045	#############################################################################
2458		4046
2459	$TICK_WATCHER = Event->timer (	4047	my $bug_warning = 0;
2460	reentrant => 0,	4048
2461	prio => 0,	4049	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	4050	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	4051
2464	cb => sub {	4052	sub wait_for_tick() {
		4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4054
		4055	my $signal = new Coro::Signal;
		4056	push @WAIT_FOR_TICK, $signal;
		4057	$signal->wait;
		4058	}
		4059
		4060	sub wait_for_tick_begin() {
		4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4062
		4063	my $signal = new Coro::Signal;
		4064	push @WAIT_FOR_TICK_BEGIN, $signal;
		4065	$signal->wait;
		4066	}
		4067
		4068	sub tick {
		4069	if ($Coro::current != $Coro::main) {
		4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4071	unless ++$bug_warning > 10;
		4072	return;
		4073	}
		4074
2465	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		4076
2469	$WAIT_FOR_TICK->broadcast;	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2471		4078
2472	# if we are delayed by four ticks or more, skip them all	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2474		4081	Coro::async_pool {
2475	$TICK_WATCHER->at ($NEXT_TICK);	4082	$Coro::current->{desc} = "runtime saver";
2476	$TICK_WATCHER->start;
2477	},
2478	);
2479
2480	IO::AIO::max_poll_time $TICK * 0.2;
2481
2482	Event->io (
2483	fd => IO::AIO::poll_fileno,
2484	poll => 'r',
2485	prio => 5,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,
2492	after => 0,
2493	interval => 10,
2494	cb => sub {
2495	(Coro::unblock_sub {
2496	write_runtime	4083	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	4084	or error "ERROR: unable to write runtime file: $!";
2498	})->();	4085	};
2499	},	4086	}
2500	);	4087
		4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4089	$sig->send;
		4090	}
		4091	while (my $sig = shift @WAIT_FOR_TICK) {
		4092	$sig->send;
		4093	}
		4094
		4095	$LOAD = ($NOW - $TICK_START) / $TICK;
		4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4097
		4098	if (0) {
		4099	if ($NEXT_TICK) {
		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
		4103	}
		4104	}
		4105	}
		4106
		4107	{
		4108	# configure BDB
		4109
		4110	BDB::min_parallel 16;
		4111	BDB::max_poll_reqs $TICK * 0.1;
		4112	$AnyEvent::BDB::WATCHER->priority (1);
		4113
		4114	unless ($DB_ENV) {
		4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4121
		4122	cf::sync_job {
		4123	eval {
		4124	BDB::db_env_open
		4125	$DB_ENV,
		4126	$BDBDIR,
		4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4129	0666;
		4130
		4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4132	};
		4133
		4134	cf::cleanup "db_env_open(db): $@" if $@;
		4135	};
		4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
		4147	}
		4148
		4149	{
		4150	# configure IO::AIO
		4151
		4152	IO::AIO::min_parallel 8;
		4153	IO::AIO::max_poll_time $TICK * 0.1;
		4154	undef $AnyEvent::AIO::WATCHER;
		4155	}
		4156
		4157	our $_log_backtrace;
		4158	our $_log_backtrace_last;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n$//;
		4164
		4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4168	# limit the # of concurrent backtraces
		4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
		4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
		4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
		4176	my @bt = fork_call {
		4177	@addr = map { sprintf "%x", $_ } @addr;
		4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4180	or die "addr2line: $!";
		4181
		4182	my @funcs;
		4183	my @res = <$fh>;
		4184	chomp for @res;
		4185	while (@res) {
		4186	my ($func, $line) = splice @res, 0, 2, ();
		4187	push @funcs, "[$func] $line";
		4188	}
		4189
		4190	@funcs
		4191	};
		4192
		4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4195	LOG llevInfo, "[ABT] $_\n" for @bt;
		4196	--$_log_backtrace;
		4197	};
		4198	} else {
		4199	LOG llevInfo, "[ABT] $msg\n";
		4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4201	}
		4202	}
		4203
		4204	# load additional modules
		4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
2501		4207
2502	END { cf::emergency_save }	4208	END { cf::emergency_save }
2503		4209
2504	1	4210	1
2505		4211

Diff Legend

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