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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
52	our $NOW;	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		132
54	our %CFG;	133	our %CFG;
55		134
56	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
58		138
59	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		142
67	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
70	binmode STDOUT;	156	binmode STDOUT;
71	binmode STDERR;	157	binmode STDERR;
72		158
73	# read virtual server time, if available	159	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
78	}	164	}
79		165
80	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	167
82	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		170
86	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
87		172
88	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89		189
90	#############################################################################	190	#############################################################################
91		191
92	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
93		193
…		…
100	=item $cf::RUNTIME	200	=item $cf::RUNTIME
101		201
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	203	every server tick.
104		204
105	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		208
107	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
109		213
110	=item $cf::NOW	214	=item $cf::NOW
111		215
112	The time of the last (current) server tick.	216	The time of the last (current) server tick.
113		217
114	=item $cf::TICK	218	=item $cf::TICK
115		219
116	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
117		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
118	=item %cf::CFG	232	=item %cf::CFG
119		233
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	235	from wherever your confdir points to.
122		236
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		238
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
129		259
130	=back	260	=back
131		261
132	=cut	262	=cut
133		263
134	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	271	my $msg = join "", @_;
137	utf8::encode $msg;
138		272
139	$msg .= "\n"	273	$msg .= "\n"
140	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
141		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
142	LOG llevError, $msg;	278	LOG llevWarn, $msg;
143	};	279	};
144	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
145		294
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		302
153	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	304	# within the Safe compartment.
155	for my $pkg (qw(	305	for my $pkg (qw(
156	cf::global cf::attachable	306	cf::global cf::attachable
157	cf::object cf::object::player	307	cf::object cf::object::player
158	cf::client cf::player	308	cf::client cf::player
159	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
160	cf::map cf::party cf::region	311	cf::party cf::region
161	)) {	312	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	314	}
165		315
166	$Event::DIED = sub {	316	$EV::DIED = sub {
167	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
168	};	318	};
		319
		320	#############################################################################
169		321
170	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
171		323
172	=over 4	324	=over 4
173		325
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	345	$d
194	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
195	}	347	}
196		348
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
200		350
201	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
202		352
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
211		354
212	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
213		356
214	=cut	357	=cut
215		358
216	sub to_json($) {	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	360
218	JSON::Syck::Dump $_[0]	361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
219	}	405	}
220		406
221	=item cf::lock_wait $string	407	=item cf::lock_wait $string
222		408
223	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
224		410
225	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
226		412
227	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
230	returned.	416	returned.
231		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
232	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
234		423
235	=cut	424	=item $locked = cf::lock_active $string
236		425
237	our %LOCK;	426	Return true if the lock is currently active, i.e. somebody has locked it.
		427
		428	=cut
		429
		430	our $LOCKS = new Coro::SemaphoreSet;
238		431
239	sub lock_wait($) {	432	sub lock_wait($) {
240	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	434	}
248		435
249	sub lock_acquire($) {	436	sub lock_acquire($) {
250	my ($key) = @_;	437	$LOCKS->guard ($_[0])
		438	}
251		439
252	# wait, to be sure we are not locked	440	sub lock_active($) {
253	lock_wait $key;	441	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	442	}
262		443
263	sub freeze_mainloop {	444	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
265		446
266	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	448	}
268	$WRITE_RUNTIME_WATCHER->start;	449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
269	};	514	}
270	$WRITE_RUNTIME_WATCHER->stop;	515	};
271	$TICK_WATCHER->stop;	516
272	$guard	517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
273	}	530	}
274		531
275	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
276		533
277	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		539
283	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
284		541
285	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
286		543
287	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
290		548
291	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
294	fast or be very important.	552	fast or be very important.
…		…
296	=cut	554	=cut
297		555
298	sub sync_job(&) {	556	sub sync_job(&) {
299	my ($job) = @_;	557	my ($job) = @_;
300		558
301	if ($Coro::current == $Coro::main) {	559	if (in_main) {
		560	my $time = AE::time;
		561
302	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
304		564
305	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	566
307	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
308		568
309	my $busy = 1;	569	my $busy = 1;
310	my @res;	570	my @res;
311		571
312	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	574	@res = eval { $job->() };
314	warn $@ if $@;	575	error $@ if $@;
315	undef $busy;	576	undef $busy;
316	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
317		578
318	while ($busy) {	579	while ($busy) {
319	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
320	}	584	}
		585	}
		586
		587	my $time = AE::time - $time;
		588
		589	$TICK_START += $time; # do not account sync jobs to server load
321		590
322	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
323	} else {	592	} else {
324	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
325		594
…		…
345	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
346		615
347	$coro	616	$coro
348	}	617	}
349		618
350	sub write_runtime {	619	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		620
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	621	Executes the given code block with the given arguments in a seperate
354	or return;	622	process, returning the results. Everything must be serialisable with
		623	Coro::Storable. May, of course, block. Note that the executed sub may
		624	never block itself or use any form of event handling.
355		625
356	my $value = $cf::RUNTIME + 90 + 10;	626	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		627
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	628	sub post_fork {
361	and return;	629	reset_signals;
		630	}
362		631
363	aio_fsync $fh	632	sub fork_call(&@) {
364	and return;	633	my ($cb, @args) = @_;
365		634
366	close $fh	635	# we seemingly have to make a local copy of the whole thing,
367	or return;	636	# otherwise perl prematurely frees the stuff :/
		637	# TODO: investigate and fix (likely this will be rather laborious)
368		638
369	aio_rename "$runtime~", $runtime	639	my @res = Coro::Util::fork_eval {
370	and return;	640	cf::post_fork;
		641	&$cb
		642	} @args;
371		643
		644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
372	1	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
		683	}
		684
		685	=item $value = cf::db_get $family => $key
		686
		687	Returns a single value from the environment database.
		688
		689	=item cf::db_put $family => $key => $value
		690
		691	Stores the given C<$value> in the family. It can currently store binary
		692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
		699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
		720
		721	our $DB;
		722
		723	sub db_init {
		724	$DB ||= db_table "db";
		725	}
		726
		727	sub db_get($$) {
		728	my $key = "$_[0]/$_[1]";
		729
		730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
		733	BDB::db_get $DB, undef, $key, my $data;
		734
		735	$! ? ()
		736	: $data
		737	}
		738
		739	sub db_put($$$) {
		740	BDB::dbreq_pri 4;
		741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		742	}
		743
		744	=item cf::cache $id => [$paths...], $processversion => $process
		745
		746	Generic caching function that returns the value of the resource $id,
		747	caching and regenerating as required.
		748
		749	This function can block.
		750
		751	=cut
		752
		753	sub cache {
		754	my ($id, $src, $processversion, $process) = @_;
		755
		756	my $meta =
		757	join "\x00",
		758	$processversion,
		759	map {
		760	aio_stat $_
		761	and Carp::croak "$_: $!";
		762
		763	($_, (stat _)[7,9])
		764	} @$src;
		765
		766	my $dbmeta = db_get cache => "$id/meta";
		767	if ($dbmeta ne $meta) {
		768	# changed, we may need to process
		769
		770	my @data;
		771	my $md5;
		772
		773	for (0 .. $#$src) {
		774	0 <= aio_load $src->[$_], $data[$_]
		775	or Carp::croak "$src->[$_]: $!";
		776	}
		777
		778	# if processing is expensive, check
		779	# checksum first
		780	if (1) {
		781	$md5 =
		782	join "\x00",
		783	$processversion,
		784	map {
		785	cf::cede_to_tick;
		786	($src->[$_], Digest::MD5::md5_hex $data[$_])
		787	} 0.. $#$src;
		788
		789
		790	my $dbmd5 = db_get cache => "$id/md5";
		791	if ($dbmd5 eq $md5) {
		792	db_put cache => "$id/meta", $meta;
		793
		794	return db_get cache => "$id/data";
		795	}
		796	}
		797
		798	my $t1 = Time::HiRes::time;
		799	my $data = $process->(\@data);
		800	my $t2 = Time::HiRes::time;
		801
		802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		803
		804	db_put cache => "$id/data", $data;
		805	db_put cache => "$id/md5" , $md5;
		806	db_put cache => "$id/meta", $meta;
		807
		808	return $data;
		809	}
		810
		811	db_get cache => "$id/data"
		812	}
		813
		814	=item cf::datalog type => key => value, ...
		815
		816	Log a datalog packet of the given type with the given key-value pairs.
		817
		818	=cut
		819
		820	sub datalog($@) {
		821	my ($type, %kv) = @_;
		822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	823	}
374		824
375	=back	825	=back
376		826
377	=cut	827	=cut
378		828
379	#############################################################################	829	#############################################################################
380		830
381	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
382		832
383	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
386		836
387	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	839	Deliantra).
390		840
391	=over 4	841	=over 4
392		842
393	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
394		844
…		…
438	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
439		889
440	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
442		892
443	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
445		895
446	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
447		897
448	=over 4	898	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
558		1008
559	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1013
564	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
566		1016
567	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
572		1022
573	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1025
576	} elsif (ref $type) {	1026	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
578		1028
579	} else {	1029	} else {
580	shift @arg;	1030	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
582	}	1032	}
583	}	1033	}
584	}	1034	}
585		1035
586	sub _object_attach {	1036	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
597	}	1047	}
598		1048
599	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
600	} else {	1050	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1052	}
603		1053
604	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
605	}	1055	}
606		1056
…		…
608	if (ref $_[0]) {	1058	if (ref $_[0]) {
609	_object_attach @_;	1059	_object_attach @_;
610	} else {	1060	} else {
611	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
612	}	1062	}
		1063	_recalc_want;
613	};	1064	};
614		1065
615	# all those should be optimised	1066	# all those should be optimised
616	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1072	reattach ($obj);
622	} else {	1073	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
624	}	1075	}
		1076	_recalc_want;
625	};	1077	};
626		1078
627	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
629		1081
…		…
644	";	1096	";
645	die if $@;	1097	die if $@;
646	}	1098	}
647		1099
648	our $override;	1100	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1102
651	sub override {	1103	sub override {
652	$override = 1;	1104	$override = 1;
653	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
654	}	1106	}
655		1107
656	sub do_invoke {	1108	sub do_invoke {
657	my $event = shift;	1109	my $event = shift;
658	my $callbacks = shift;	1110	my $callbacks = shift;
659		1111
660	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
661		1113
662	local $override;	1114	local $override;
663		1115
664	for (@$callbacks) {	1116	for (@$callbacks) {
665	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
666		1118
667	if ($@) {	1119	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1121	override;
671	}	1122	}
672		1123
673	return 1 if $override;	1124	return 1 if $override;
674	}	1125	}
675		1126
676	0	1127	0
677	}	1128	}
678		1129
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1131
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1133
683	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
684		1135
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1139
689	=back	1140	=back
690		1141
691	=cut	1142	=cut
692		1143
693	#############################################################################	1144	#############################################################################
694	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
695		1188
696	sub reattach {	1189	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1191	my ($obj) = @_;
699		1192
		1193	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1195
702	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
703		1197
704	@$registry = ();	1198	@$registry = ();
705		1199
…		…
710	for (@$attach) {	1204	for (@$attach) {
711	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
713	}	1207	}
714	} else {	1208	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1210	}
717	}	1211	}
718	}	1212	}
719		1213
720	cf::attachable->attach (	1214	cf::attachable->attach (
721	prio => -1000000,	1215	prio => -1000000,
722	on_instantiate => sub {	1216	on_instantiate => sub {
723	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
724		1218
725	$data = from_json $data;	1219	$data = decode_json $data;
726		1220
727	for (@$data) {	1221	for (@$data) {
728	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
729		1223
730	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1240	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
748		1242
749	sync_job {	1243	sync_job {
750	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
753		1249
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1253	if ($cf::USE_FSYNC) {
		1254	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1255	aio_fsync $fh;
		1256	}
758	close $fh;	1257	aio_close $fh;
759		1258
760	if (@$objs) {	1259	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
		1264	if ($cf::USE_FSYNC) {
		1265	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1266	aio_fsync $fh;
		1267	}
766	close $fh;	1268	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
768	}	1270	}
769	} else {	1271	} else {
770	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
771	}	1273	}
772		1274
773	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1279	} else {
775	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
776	}	1281	}
777	} else {	1282	} else {
778	aio_unlink $filename;	1283	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
780	}	1285	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1286	};
788	}	1287	}
789		1288
790	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
792		1291
…		…
797		1296
798	sub object_thawer_load {	1297	sub object_thawer_load {
799	my ($filename) = @_;	1298	my ($filename) = @_;
800		1299
801	my ($data, $av);	1300	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1301
806	(aio_load $filename, $data) >= 0	1302	(aio_load $filename, $data) >= 0
807	or return;	1303	or return;
808		1304
809	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
811	or return;	1307	or return;
		1308
812	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
813	}	1311	}
814		1312
		1313	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
817	return ($data, $av);	1318	($data, $av)
818	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
819		1326
820	#############################################################################	1327	#############################################################################
821	# command handling &c	1328	# command handling &c
822		1329
823	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1344	}
838		1345
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1347
841	Register a callbackf ro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
842		1353
843	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
844	called.	1355	called.
845		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
846	=cut	1368	=cut
847		1369
848	sub register_extcmd {	1370	sub register_extcmd {
849	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
850		1372
851	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
852	}	1374	}
853		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
854	cf::player->attach (	1384	cf::player->attach (
855	on_command => sub {	1385	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
857		1387
858	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
859	or return;	1389	or return;
860		1390
…		…
865	cf::override;	1395	cf::override;
866	},	1396	},
867	on_extcmd => sub {	1397	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
869		1399
870	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1401
872	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
878	} else {	1417	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1419	}
881		1420
882	cf::override;	1421	cf::override;
883	},	1422	},
884	);	1423	);
885		1424
		1425	# "readahead" all extensions
886	sub load_extension {	1426	sub cache_extensions {
887	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
888		1428
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1432	}
914	die $@;
915	}	1433	};
916		1434
917	push @EXTS, $pkg;	1435	$grp
918	}	1436	}
919		1437
920	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
921	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1445	next unless -r $path;
923	eval {	1446
924	load_extension $ext;	1447	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1448	my $base = $1;
		1449	my $pkg = $1;
		1450	$pkg =~ s/[^[:word:]]/_/g;
		1451	$pkg = "ext::$pkg";
		1452
		1453	open my $fh, "<:utf8", $path
		1454	or die "$path: $!";
		1455
		1456	my $source = do { local $/; <$fh> };
		1457
		1458	my %ext = (
		1459	path => $path,
		1460	base => $base,
		1461	pkg => $pkg,
		1462	);
		1463
		1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1466
		1467	$ext{source} =
		1468	"package $pkg; use common::sense;\n"
		1469	. "#line 1 \"$path\"\n{\n"
		1470	. $source
		1471	. "\n};\n1";
		1472
		1473	$todo{$base} = \%ext;
		1474	}
		1475
		1476	my $pass = 0;
		1477	my %done;
		1478	while (%todo) {
		1479	my $progress;
		1480
		1481	++$pass;
		1482
		1483	ext:
		1484	while (my ($k, $v) = each %todo) {
		1485	for (split /,\s*/, $v->{meta}{depends}) {
		1486	next ext
		1487	unless exists $done{$_};
		1488	}
		1489
		1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1491
		1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
		1495	error "$v->{path}: $@\n";
		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499
		1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1501	delete $todo{$k};
		1502	} else {
		1503	$done{$k} = delete $todo{$k};
		1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
		1509	}
925	1	1510	}
926	} or warn "$ext not loaded: $@";	1511
		1512	unless ($progress) {
		1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
		1520	}
927	}	1521	};
928	}	1522	}
929		1523
930	#############################################################################	1524	#############################################################################
931		1525
		1526	=back
		1527
932	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
933		1529
934	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
935		1531
936	=cut	1532	=cut
937		1533
938	package cf::player;	1534	package cf::player;
939		1535
…		…
941		1537
942	=head3 cf::player	1538	=head3 cf::player
943		1539
944	=over 4	1540	=over 4
945		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
		1555
946	=item cf::player::find $login	1556	=item cf::player::find $login
947		1557
948	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
949		1559
950	=cut	1560	=cut
951		1561
952	sub playerdir($) {	1562	sub playerdir($) {
953	cf::localdir	1563	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1564	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1565	}
959		1566
960	sub path($) {	1567	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1568	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1569
963	(playerdir $login) . "/$login.pl"	1570	(playerdir $login) . "/playerdata"
964	}	1571	}
965		1572
966	sub find_active($) {	1573	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1574	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1575	and $cf::PLAYER{$_[0]}->active
…		…
971		1578
972	sub exists($) {	1579	sub exists($) {
973	my ($login) = @_;	1580	my ($login) = @_;
974		1581
975	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
977	}	1584	}
978		1585
979	sub find($) {	1586	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1588	my $login = $_[0];
982		1589
983	my $guard = cf::lock_acquire "user_find:$login";	1590	my $guard = cf::lock_acquire "user_find:$login";
984		1591
985	$cf::PLAYER{$_[0]} || do {	1592	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1593	# rename old playerfiles to new ones
		1594	#TODO: remove when no longer required
		1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1598	aio_unlink +(playerdir $login) . "/$login.pl";
		1599
		1600	my $f = new_from_file cf::object::thawer path $login
987	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
989	}	1609	}
990	}	1610	}
991	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
992		1625
993	sub save($) {	1626	sub save($) {
994	my ($pl) = @_;	1627	my ($pl) = @_;
995		1628
996	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1002		1635
1003	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1005		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1006	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1007	Coro::cede;	1645	cf::cede_to_tick;
1008	}	1646	}
1009		1647
1010	sub new($) {	1648	sub new($) {
1011	my ($login) = @_;	1649	my ($login) = @_;
1012		1650
…		…
1018	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1019		1657
1020	$self	1658	$self
1021	}	1659	}
1022		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1023	=item $pl->quit_character	1671	=item $pl->quit_character
1024		1672
1025	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1027		1675
1028	=cut	1676	=cut
1029		1677
1030	sub quit_character {	1678	sub quit_character {
1031	my ($pl) = @_;	1679	my ($pl) = @_;
1032		1680
		1681	my $name = $pl->ob->name;
		1682
1033	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1685
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1039	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1040		1694
1041	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1698	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1699	$pl->destroy;
		1700
		1701	my $prefix = qr<^~\Q$name\E/>;
		1702
		1703	# nuke player maps
		1704	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1705
1046	IO::AIO::aio_rmtree $temp;	1706	IO::AIO::aio_rmtree $temp;
		1707	}
		1708
		1709	=item $pl->kick
		1710
		1711	Kicks a player out of the game. This destroys the connection.
		1712
		1713	=cut
		1714
		1715	sub kick {
		1716	my ($pl, $kicker) = @_;
		1717
		1718	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1719	$pl->killer ("kicked");
		1720	$pl->ns->destroy;
1047	}	1721	}
1048		1722
1049	=item cf::player::list_logins	1723	=item cf::player::list_logins
1050		1724
1051	Returns am arrayref of all valid playernames in the system, can take a	1725	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1726	while and may block, so not sync_job-capable, ever.
1053		1727
1054	=cut	1728	=cut
1055		1729
1056	sub list_logins {	1730	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1731	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1732	or return [];
1059		1733
1060	my @logins;	1734	my @logins;
1061		1735
1062	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1066		1746
1067	utf8::decode $login;	1747	utf8::decode $login;
1068	push @logins, $login;	1748	push @logins, $login;
1069	}	1749	}
1070		1750
1071	\@logins	1751	\@logins
1072	}	1752	}
1073		1753
1074	=item $player->maps	1754	=item $player->maps
1075		1755
		1756	=item cf::player::maps $login
		1757
1076	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1077	player. May block.	1759	player. May block.
1078		1760
1079	=cut	1761	=cut
1080		1762
1081	sub maps($) {	1763	sub maps($) {
1082	my ($pl) = @_;	1764	my ($pl) = @_;
		1765
		1766	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1767
1084	my $files = aio_readdir playerdir $pl	1768	my $files = aio_readdir playerdir $pl
1085	or return;	1769	or return;
1086		1770
1087	my @paths;	1771	my @paths;
…		…
1089	for (@$files) {	1773	for (@$files) {
1090	utf8::decode $_;	1774	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1775	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1776	next unless /^$PATH_SEP/o;
1093		1777
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1778	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1779	}
1096		1780
1097	\@paths	1781	\@paths
1098	}	1782	}
1099		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1101		1789
1102	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1103		1791
1104	=cut	1792	=cut
1105		1793
1106	sub ext_reply($$$%) {	1794	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1108		1796
1109	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1798	}
1113		1799
1114	package cf;	1800	=item $player->ext_msg ($type, @msg)
		1801
		1802	Sends an ext event to the client.
		1803
		1804	=cut
		1805
		1806	sub ext_msg($$@) {
		1807	my ($self, $type, @msg) = @_;
		1808
		1809	$self->ns->ext_msg ($type, @msg);
		1810	}
		1811
		1812	=head3 cf::region
		1813
		1814	=over 4
		1815
		1816	=cut
		1817
		1818	package cf::region;
		1819
		1820	=item cf::region::find_by_path $path
		1821
		1822	Tries to decuce the likely region for a map knowing only its path.
		1823
		1824	=cut
		1825
		1826	sub find_by_path($) {
		1827	my ($path) = @_;
		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
		1831	my ($match, $specificity);
		1832
		1833	for my $region (list) {
		1834	if ($region->{match} && $path =~ $region->{match}) {
		1835	($match, $specificity) = ($region, $region->specificity)
		1836	if $region->specificity > $specificity;
		1837	}
		1838	}
		1839
		1840	$match
		1841	}
1115		1842
1116	=back	1843	=back
1117
1118		1844
1119	=head3 cf::map	1845	=head3 cf::map
1120		1846
1121	=over 4	1847	=over 4
1122		1848
…		…
1134	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1136		1862
1137	sub generate_random_map {	1863	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1139	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1140	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1151	(cf::region::find $rmp->{region}), $rmp->{custom}
1152	)
1153	}	1869	}
1154		1870
1155	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1156		1872
1157	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1162		1878
1163	sub register {	1879	sub register {
1164	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1165	my $pkg = caller;	1881	my $pkg = caller;
1166		1882
1167	no strict;
1168	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1169		1884
1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171	}	1886	}
1172		1887
1173	# also paths starting with '/'	1888	# also paths starting with '/'
1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175		1890
1176	sub thawer_merge {	1891	sub thawer_merge {
1177	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1178		1893
1179	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1180	local $self->{path};	1895	local $self->{path};
1181	local $self->{load_path};	1896	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1897
1185	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1186	}	1899	}
1187		1900
1188	sub normalise {	1901	sub normalise {
1189	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1190		1903
1191	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1192		1905
1193	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1194		1907
1195	# map plan:	1908	# map plan:
1196	#	1909	#
…		…
1211	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1212	$path = "$base/$path";	1925	$path = "$base/$path";
1213	}	1926	}
1214		1927
1215	for ($path) {	1928	for ($path) {
1216	redo if s{//}{/};
1217	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1218	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1219	}	1931	}
1220		1932
1221	$path	1933	$path
…		…
1235	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1236	return $self;	1948	return $self;
1237	}	1949	}
1238	}	1950	}
1239		1951
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1241	()	1953	()
1242	}	1954	}
1243		1955
1244	sub init {	1956	sub init {
1245	my ($self) = @_;	1957	my ($self) = @_;
…		…
1260		1972
1261	# the original (read-only) location	1973	# the original (read-only) location
1262	sub load_path {	1974	sub load_path {
1263	my ($self) = @_;	1975	my ($self) = @_;
1264		1976
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1977	"$MAPDIR/$self->{path}.map"
1266	}	1978	}
1267		1979
1268	# the temporary/swap location	1980	# the temporary/swap location
1269	sub save_path {	1981	sub save_path {
1270	my ($self) = @_;	1982	my ($self) = @_;
1271		1983
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1985	"$TMPDIR/$path.map"
1274	}	1986	}
1275		1987
1276	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1277	sub uniq_path {	1989	sub uniq_path {
1278	my ($self) = @_;	1990	my ($self) = @_;
1279		1991
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1993	"$UNIQUEDIR/$path"
1282	}	1994	}
1283		1995
1284	# and all this just because we cannot iterate over	1996	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	1997	my ($self) = @_;
1288		1998
1289	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1291	}	2002	}
1292		2003
1293	sub unlink_save {	2004	sub unlink_save {
1294	my ($self) = @_;	2005	my ($self) = @_;
1295		2006
1296	utf8::encode (my $save = $self->save_path);	2007	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2008	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2009	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	2010	}
1305		2011
1306	sub load_header_from($) {	2012	sub load_header_from($) {
1307	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1308		2014
1309	utf8::encode $path;	2015	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1315		2024
1316	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1317		2026
1318	1	2027	1
1319	}	2028	}
…		…
1358	$self->load_header_orig	2067	$self->load_header_orig
1359	or return;	2068	or return;
1360	$self->prepare_orig;	2069	$self->prepare_orig;
1361	}	2070	}
1362		2071
		2072	$self->{deny_reset} = 1
		2073	if $self->no_reset;
		2074
		2075	$self->default_region (cf::region::find_by_path $self->{path})
		2076	unless $self->default_region;
		2077
1363	1	2078	1
1364	}	2079	}
1365		2080
1366	sub find;	2081	sub find;
1367	sub find {	2082	sub find {
1368	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1369		2084
		2085	cf::cede_to_tick;
		2086
1370	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1371		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2091
1374	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1377	or return;	2094	or return;
1378		2095
1379	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1380		2097
1381	$map->load_header	2098	$map->load_header
1382	or return;	2099	or return;
1383		2100
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1387	$map->reset;	2106	$map->reset;
1388	undef $guard;
1389	return find $path;	2107	return find $path;
1390	}	2108	}
1391		2109
1392	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1393	}	2111	}
1394	}	2112	}
1395		2113
1396	sub pre_load { }	2114	sub pre_load { }
1397	sub post_load { }	2115	#sub post_load { } # XS
1398		2116
1399	sub load {	2117	sub load {
1400	my ($self) = @_;	2118	my ($self) = @_;
1401		2119
1402	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1403		2121
1404	my $path = $self->{path};	2122	my $path = $self->{path};
		2123
		2124	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1406		2126
		2127	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2129
1409	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1410		2131
1411	$self->alloc;	2132	$self->alloc;
1412		2133
1413	$self->pre_load;	2134	$self->pre_load;
		2135	cf::cede_to_tick;
1414		2136
1415	$self->_load_objects ($self->{load_path}, 1)	2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
		2139	$self->_load_objects ($f)
1416	or return;	2140	or return;
1417		2141
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1419	if delete $self->{load_original};	2143	if delete $self->{load_original};
1420		2144
1421	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2146	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2149	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1426	}	2153	}
1427	}	2154	}
1428		2155
1429	Coro::cede;	2156	$f->resolve_delayed_derefs;
1430		2157
		2158	cf::cede_to_tick;
1431	# now do the right thing for maps	2159	# now do the right thing for maps
1432	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2162	unless $self->difficulty;
1442	Coro::cede;	2163	cf::cede_to_tick;
		2164
		2165	unless ($self->{deny_activate}) {
		2166	$self->decay_objects;
		2167	$self->fix_auto_apply;
		2168	$self->update_buttons;
		2169	cf::cede_to_tick;
1443	$self->activate;	2170	$self->activate;
		2171	}
		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
		2176	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2177	}
1445		2178
1446	$self->post_load;	2179	$self->post_load;
1447		2180
1448	$self->in_memory (cf::MAP_IN_MEMORY);	2181	1
1449	}	2182	}
1450		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1451	sub customise_for {	2187	sub customise_for {
1452	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1453		2189
1454	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2191	if $self->per_player;
1456		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1457	$self	2196	$self
1458	}	2197	}
1459		2198
1460	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2200	sub load_neighbours {
1462	my ($map) = @_;	2201	my ($map) = @_;
1463		2202
1464	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1465		2204
1466	for (0 .. 3) {	2205	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1468	or next;	2207	or next;
1469	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1470	or next;	2209	or next;
1471	$neigh->load;	2210	$neigh->load;
1472		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2216	}
1476		2217
1477	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1479	or next;	2221	or next;
1480	$neigh->load;	2222	$neigh->load;
1481	}	2223	}
1482	}	2224	}
1483		2225
1484	sub find_sync {	2226	sub find_sync {
1485	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1486		2228
1487	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1488	}	2233	}
1489		2234
1490	sub do_load_sync {	2235	sub do_load_sync {
1491	my ($map) = @_;	2236	my ($map) = @_;
1492		2237
1493	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1494	}	2242	}
1495		2243
1496	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1498		2246
1499	sub find_async {	2247	sub find_async {
1500	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1501		2249
1502	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1503		2251
1504	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2254	}
1507		2255
1508	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1509	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1510	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2263	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2264	$map->load if $v;
		2265	}
1515		2266
1516	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1517	}	2268	}
1518	}	2269	}
1519	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1520	};	2271	};
1521	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1522		2273
1523	()	2274	()
1524	}	2275	}
1525		2276
		2277	# common code, used by both ->save and ->swapout
1526	sub save {	2278	sub _save {
1527	my ($self) = @_;	2279	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2280
1531	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1532		2282
1533	return unless $self->dirty;	2283	return unless $self->dirty;
1534		2284
…		…
1540	return if $self->{deny_save};	2290	return if $self->{deny_save};
1541		2291
1542	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1543		2293
1544	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1546	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1547		2300
1548	if ($uniq) {	2301	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2304	} else {
1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1553	}	2306	}
1554	}	2307	}
1555		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1556	sub swap_out {	2317	sub swap_out {
1557	my ($self) = @_;	2318	my ($self) = @_;
1558		2319
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1564	return if $self->players;	2324	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1568	$self->clear;	2335	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2336	}
1571		2337
1572	sub reset_at {	2338	sub reset_at {
1573	my ($self) = @_;	2339	my ($self) = @_;
1574		2340
1575	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1578		2343
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2346
…		…
1592	my ($self) = @_;	2357	my ($self) = @_;
1593		2358
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2360
1596	return if $self->players;	2361	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2362
1599	warn "resetting map ", $self->path;#d#	2363	cf::trace "resetting map ", $self->path, "\n";
		2364
		2365	$self->in_memory (cf::MAP_SWAPPED);
		2366
		2367	# need to save uniques path
		2368	unless ($self->{deny_save}) {
		2369	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2370
		2371	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2372	if $uniq;
		2373	}
1600		2374
1601	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1602		2376
1603	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2379	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2380
1608	$self->unlink_save;	2381	$self->unlink_save;
1609	$self->destroy;	2382	$self->destroy;
1610	}	2383	}
1611		2384
1612	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1613		2386
1614	sub nuke {	2387	sub nuke {
1615	my ($self) = @_;	2388	my ($self) = @_;
1616		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1617	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1618		2394
1619	$self->unlink_save;	2395	$self->unlink_save;
1620		2396
1621	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1622	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2402
1627	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1628		2405
1629	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
		2407	}
		2408
		2409	=item $maps = cf::map::tmp_maps
		2410
		2411	Returns an arrayref with all map paths of currently instantiated and saved
		2412	maps. May block.
		2413
		2414	=cut
		2415
		2416	sub tmp_maps() {
		2417	[
		2418	map {
		2419	utf8::decode $_;
		2420	/\.map$/
		2421	? normalise $_
		2422	: ()
		2423	} @{ aio_readdir $TMPDIR or [] }
		2424	]
		2425	}
		2426
		2427	=item $maps = cf::map::random_maps
		2428
		2429	Returns an arrayref with all map paths of currently instantiated and saved
		2430	random maps. May block.
		2431
		2432	=cut
		2433
		2434	sub random_maps() {
		2435	[
		2436	map {
		2437	utf8::decode $_;
		2438	/\.map$/
		2439	? normalise "?random/$_"
		2440	: ()
		2441	} @{ aio_readdir $RANDOMDIR or [] }
		2442	]
1630	}	2443	}
1631		2444
1632	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1633		2446
1634	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2448	instantiated unique items. May block.
1636		2449
1637	=cut	2450	=cut
1638		2451
1639	sub unique_maps() {	2452	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2453	[
1641	or return;	2454	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2455	utf8::decode $_;
1647	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2458	? ()
1650	push @paths, cf::map::normalise $_;	2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2461	]
1652
1653	\@paths
1654	}	2462	}
1655		2463
1656	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1657		2495
1658	=back	2496	=back
1659		2497
1660	=head3 cf::object	2498	=head3 cf::object
1661		2499
…		…
1665		2503
1666	=over 4	2504	=over 4
1667		2505
1668	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1669		2507
1670	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
1671		2510
1672	=cut	2511	=cut
1673		2512
1674	sub inv_recursive_;	2513	sub inv_recursive_;
1675	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1678		2517
1679	sub inv_recursive {	2518	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1681	}	2520	}
1682		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
1683	package cf;	2550	package cf;
1684		2551
1685	=back	2552	=back
1686		2553
1687	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1696		2563
1697	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
1698		2579
1699	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2581	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1704		2585
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2587
1707	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1709	} else {	2591	} else {
		2592	my $pl = $self->contr;
		2593
		2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2595	my $dialog = $pl->{npc_dialog};
		2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2597
		2598	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1712	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
1713	}	2613	}
1714		2614
1715	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1716		2616
1717	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1730		2630
1731	=item $player_object->enter_link	2631	=item $player_object->enter_link
1732		2632
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2634
1735	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
1737		2639
1738	Will never block.	2640	Will never block.
1739		2641
1740	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1741		2643
…		…
1761	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1762	my ($self) = @_;	2664	my ($self) = @_;
1763		2665
1764	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1765		2667
		2668	++$self->{_link_recursion};
		2669
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2671
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1770		2674
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2676	}
1773		2677
1774	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1776		2682
1777	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1778		2684
1779	unless ($map) {	2685	unless ($map) {
1780	# restore original map position	2686	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1793		2699
1794	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1797		2703
1798	$map->load;	2704	$map->load;
1799	$map->load_diag;	2705	$map->load_neighbours;
1800		2706
1801	return unless $self->contr->active;	2707	return unless $self->contr->active;
		2708
		2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2710	if ($self->enter_map ($map, $x, $y)) {
		2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
1802	$self->activate_recursive;	2714	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}
1805
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},	2715	}
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2716
1820	# try to abort aborted map switching on player login :)	2717	}
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2718
1838	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839		2720
		2721	Moves the player to the given map-path and coordinates by first freezing
		2722	her, loading and preparing them map, calling the provided $check callback
		2723	that has to return the map if sucecssful, and then unfreezes the player on
		2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
1840	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1841		2733
1842	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
		2743	# do generation counting so two concurrent goto's will be executed in-order
		2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2745
1845	$self->enter_link;	2746	$self->enter_link;
1846		2747
1847	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
1848	my $map = eval {	2770	my $map = eval {
1849	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
		2776	} else {
		2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	}
		2779
1851	$map	2780	$map
		2781	};
		2782
		2783	if ($@) {
		2784	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2785	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2786	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1856	})->prio (1);	2794	})->prio (1);
1857	}	2795	}
1858		2796
1859	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1860		2798
…		…
1880	}	2818	}
1881		2819
1882	sub prepare_random_map {	2820	sub prepare_random_map {
1883	my ($exit) = @_;	2821	my ($exit) = @_;
1884		2822
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2825	# that depends on the exit object
1890		2826
1891	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2829	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
1898	}	2836	}
1899		2837
1900	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
1901		2839
1902	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
1905		2843
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2846	undef $fh;
1909	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
1910		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
1913	}	2855	}
1914	}	2856	}
1915		2857
1916	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
1918		2860
1919	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
1920		2862
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2863	$self->enter_link;
1931		2864
1932	(async {	2865	(async {
1933	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
1934	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
1935	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
1936		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
1937	1;	2889	1
1938	}) {	2890	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2895
1944	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
1945	$self->leave_link;	2897	$self->leave_link;
1946	}	2898	}
1947	})->prio (1);	2899	})->prio (1);
1948	}	2900	}
1949		2901
…		…
1960		2912
1961	sub cf::client::send_drawinfo {	2913	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2914	my ($self, $text, $flags) = @_;
1963		2915
1964	utf8::encode $text;	2916	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2918	}
1967		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
		3107	=item $client->ext_msg ($type, @msg)
		3108
		3109	Sends an ext event to the client.
		3110
		3111	=cut
		3112
		3113	sub cf::client::ext_msg($$@) {
		3114	my ($self, $type, @msg) = @_;
		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
		3119	push @msg, msgtype => "event_$type";
		3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
		3140	}
1968		3141
1969	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
1970		3143
1971	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3145	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		3147
1975	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	3149	become reliable at some point in the future.
1977		3150
1978	=cut	3151	=cut
1979		3152
1980	sub cf::client::query {	3153	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3162	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3164
1992	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
1994	}	3169	}
1995		3170
1996	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
1997	on_reply => sub {	3177	on_reply => sub {
1998	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
1999		3179
2000	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2001	# get handled first	3181	# get handled first
2002	my $queue = delete $ns->{query_queue}	3182	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3183	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3184
2005	(shift @$queue)->[1]->($msg);	3185	(shift @$queue)->[1]->($msg);
		3186	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3187
2007	push @{ $ns->{query_queue} }, @$queue;	3188	push @{ $ns->{query_queue} }, @$queue;
2008		3189
2009	if (@{ $ns->{query_queue} } == @$queue) {	3190	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3191	if (@$queue) {
…		…
2012	} else {	3193	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3195	}
2015	}	3196	}
2016	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
2017	);	3224	);
2018		3225
2019	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2020		3227
2021	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3244
2038	$coro	3245	$coro
2039	}	3246	}
2040		3247
2041	cf::client->attach (	3248	cf::client->attach (
2042	on_destroy => sub {	3249	on_client_destroy => sub {
2043	my ($ns) = @_;	3250	my ($ns) = @_;
2044		3251
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3253	},
2047	);	3254	);
…		…
2062	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2064		3271
2065	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2066		3273
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2068		3279
2069	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2070		3281
2071	=pod	3282	=pod
2072		3283
2073	The following fucntions and emthods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2074		3285
2075	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2076	cf::object::player player	3291	cf::object::player
2077	cf::player peaceful	3292	player
2078	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2079		3299
2080	=cut	3300	=cut
2081		3301
2082	for (	3302	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2084	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2087	) {	3309	) {
2088	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091	for @funs;	3312	for @funs;
2092	}	3313	}
2093		3314
…		…
2108		3329
2109	my $qcode = $code;	3330	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2112		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2113	local $_;	3337	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3338
2116	my $eval =	3339	my $eval =
2117	"do {\n"	3340	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3343	. $code
2121	. "\n}"	3344	. "\n}"
2122	;	3345	;
2123		3346
		3347	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2127		3356
2128	if ($@) {	3357	if ($@) {
2129	warn "$@";	3358	warn "$@",
2130	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2131	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2132	}	3361	}
2133		3362
2134	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2135	}	3364	}
2136		3365
…		…
2150	=cut	3379	=cut
2151		3380
2152	sub register_script_function {	3381	sub register_script_function {
2153	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2154		3383
2155	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2157	}	3386	}
2158		3387
2159	=back	3388	=back
2160		3389
2161	=cut	3390	=cut
2162		3391
2163	#############################################################################	3392	#############################################################################
		3393	# the server's init and main functions
2164		3394
2165	=head2 EXTENSION DATABASE SUPPORT	3395	sub load_facedata($) {
		3396	my ($path) = @_;
2166		3397
2167	Crossfire maintains a very simple database for extension use. It can	3398	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3399	# for this (global event?)
2169	excludes objects.	3400	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3401
2171	The parameter C<$family> should best start with the name of the extension	3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3403
2174	=over 4	3404	trace "loading facedata from $path\n";
2175		3405
2176	=item $hashref = cf::db_get $family	3406	0 < aio_load $path, my $facedata
		3407	or die "$path: $!";
2177		3408
2178	Return a hashref for use by the extension C<$family>, which can be	3409	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3410
2182	=item $value = cf::db_get $family => $key	3411	$facedata->{version} == 2
		3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3413
2184	Returns a single value from the database	3414	# patch in the exptable
2185		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2186	=item cf::db_put $family => $hashref	3416	$facedata->{resource}{"res/exp_table"} = {
2187		3417	type => FT_RSRC,
2188	Stores the given family hashref into the database. Updates are delayed, if	3418	data => $exp_table,
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3419	hash => (Digest::MD5::md5 $exp_table),
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3420	};
		3421	cf::cede_to_tick;
2214		3422
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3423	{
		3424	my $faces = $facedata->{faceinfo};
2226		3425
2227	my $dirty;	3426	while (my ($face, $info) = each %$faces) {
		3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3428
2229	sub db_sync() {	3429	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3430	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232	}	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2233		3434
2234	my $idle = Event->idle (	3435	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3436	}
2268	);
2269	}
2270		3437
2271	#############################################################################	3438	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3439	next unless $info->{smooth};
2273		3440
2274	sub cfg_load {	3441	my $idx = cf::face::find $face
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3442	or next;
2276	or return;
2277		3443
2278	local $/;	3444	if (my $smooth = cf::face::find $info->{smooth}) {
2279	*CFG = YAML::Syck::Load <$fh>;	3445	cf::face::set_smooth $idx, $smooth;
		3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3447	} else {
		3448	error "smooth face '$info->{smooth}' not found for face '$face'";
		3449	}
2280		3450
		3451	cf::cede_to_tick;
		3452	}
		3453	}
		3454
		3455	{
		3456	my $anims = $facedata->{animinfo};
		3457
		3458	while (my ($anim, $info) = each %$anims) {
		3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3460	cf::cede_to_tick;
		3461	}
		3462
		3463	cf::anim::invalidate_all; # d'oh
		3464	}
		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
		3485	1
		3486	}
		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
		3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
		3511	load_resource_file "$MAPDIR/regions"
		3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
		3518	}
		3519
		3520	sub reload_facedata {
		3521	load_facedata "$DATADIR/facedata"
		3522	or die "unable to load facedata\n";
		3523	}
		3524
		3525	sub reload_archetypes {
		3526	load_resource_file "$DATADIR/archetypes"
		3527	or die "unable to load archetypes\n";
		3528	}
		3529
		3530	sub reload_treasures {
		3531	load_resource_file "$DATADIR/treasures"
		3532	or die "unable to load treasurelists\n";
		3533	}
		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
		3558	sub reload_resources {
		3559	trace "reloading resource files...\n";
		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
		3566	reload_regions;
		3567	reload_treasures;
		3568
		3569	trace "finished reloading resource files\n";
		3570	}
		3571
		3572	sub reload_config {
		3573	trace "reloading config file...\n";
		3574
		3575	0 < aio_load "$CONFDIR/config", my $config
		3576	or die "$CONFDIR/config: $!";
		3577
		3578	utf8::decode $config;
		3579	*CFG = yaml_load $config;
		3580
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282		3582
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2285		3585
2286	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2290	};	3590	};
2291	warn $@ if $@;	3591	warn $@ if $@;
2292	}	3592	}
2293	}	3593	}
2294		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2295	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2296	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3636	(async {
2300	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2302	};	3640	};
2303		3641
2304	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
		3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2306	load_extensions;	3665	load_extensions;
2307		3666
2308	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2309	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2310	}	3685	}
2311		3686
2312	#############################################################################	3687	#############################################################################
2313	# initialisation and cleanup	3688	# initialisation and cleanup
2314		3689
2315	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2316	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2325	},
2326	);	3696	};
		3697	}
		3698	}
		3699
		3700	sub write_runtime_sync {
		3701	my $t0 = AE::time;
		3702
		3703	# first touch the runtime file to show we are still running:
		3704	# the fsync below can take a very very long time.
		3705
		3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3707
		3708	my $guard = cf::lock_acquire "write_runtime";
		3709
		3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3711	or return;
		3712
		3713	my $value = $cf::RUNTIME + 90 + 10;
		3714	# 10 is the runtime save interval, for a monotonic clock
		3715	# 60 allows for the watchdog to kill the server.
		3716
		3717	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3718	and return;
		3719
		3720	# always fsync - this file is important
		3721	aio_fsync $fh
		3722	and return;
		3723
		3724	# touch it again to show we are up-to-date
		3725	aio_utime $fh, undef, undef;
		3726
		3727	close $fh
		3728	or return;
		3729
		3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3731	and return;
		3732
		3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3734
2327	}	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2328	}	3786	}
2329		3787
2330	sub emergency_save() {	3788	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2332		3790
2333	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2334		3797
2335	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2336	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3809	$pl->save;
2344	}	3810	}
2345	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2346		3812
2347	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3818	$map->valid or next;
2351	$map->save;	3819	$map->save;
2352	}	3820	}
2353	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
		3822
		3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
		3826	BDB::db_env_txn_checkpoint $DB_ENV;
		3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3851	};
2355		3852
2356	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2357	}	3854	}
2358		3855
		3856	sub post_cleanup {
		3857	my ($make_core) = @_;
		3858
		3859	IO::AIO::flush;
		3860
		3861	error Carp::longmess "post_cleanup backtrace"
		3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
		3891	}
		3892
2359	sub reload() {	3893	sub do_reload_perl() {
2360	# can/must only be called in main	3894	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2362	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2363	return;	3897	return;
2364	}	3898	}
2365		3899
2366	warn "reloading...";	3900	return if $RELOAD++;
2367		3901
2368	warn "cancelling server ticker";	3902	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
		3910	cf::sync_job {
2371	cf::emergency_save;	3911	#cf::emergency_save;
2372		3912
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	IO::AIO::flush;
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3915	%EXT_CORO = ();
2395		3916
2396	warn "removing commands";	3917	trace "perl_reload: removing commands";
2397	%COMMAND = ();	3918	%COMMAND = ();
2398		3919
2399	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2400	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2401		3923
2402	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2405		3927
2406	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2407	eval {	3929	eval {
2408	$cb->($pkg);	3930	$cb->($pkg);
2409	1	3931	1
2410	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2411	}	3937	}
2412		3938
2413	warn "... nuking $pkg";
2414	Symbol::delete_package $pkg;
2415	}
2416
2417	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2418	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3942
2421	warn "... unloading $k";	3943	trace "... unloading $k";
2422	delete $INC{$k};	3944	delete $INC{$k};
2423		3945
2424	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2426		3948
2427	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2428	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2429	}	3954	}
2430		3955
2431	Symbol::delete_package $k;
2432	}
2433
2434	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3959
2438	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
		3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		3963
2441	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3965	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2444		3967
2445	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2446		3969
2447	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2448	require cf;	3971	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2450		3973
2451	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2452	cf::cfg_load;	3975	cf::reload_config;
2453	cf::db_load;
2454		3976
2455	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	3978	cf::load_extensions;
2457		3979
		3980	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	3982	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
		3985	trace "perl_reload: reattaching attachments to players";
		3986	reattach $_ for values %PLAYER;
		3987	}
2462		3988
2463	warn "restarting server ticker";	3989	cf::_post_init 1;
2464		3990
2465	$TICK_WATCHER->start;	3991	trace "perl_reload: leaving sync_job";
		3992
		3993	1
		3994	} or do {
		3995	error $@;
		3996	cf::cleanup "perl_reload: error, exiting.";
		3997	};
		3998
		3999	--$RELOAD;
		4000	}
		4001
		4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
		4004	};
		4005
		4006	our $RELOAD_WATCHER; # used only during reload
		4007
		4008	sub reload_perl() {
		4009	# doing reload synchronously and two reloads happen back-to-back,
		4010	# coro crashes during coro_state_free->destroy here.
		4011
		4012	$RELOAD_WATCHER ||= cf::async {
		4013	Coro::AIO::aio_wait cache_extensions;
		4014
		4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4016	do_reload_perl;
		4017	undef $RELOAD_WATCHER;
		4018	};
2466	};	4019	};
2467		4020	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		4021
2479	register_command "reload" => sub {	4022	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2481		4024
2482	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
2484		4027	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	4028	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	4029	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	4030	};
2497	}	4031	}
2498	};	4032	};
2499		4033
2500	unshift @INC, $LIBDIR;	4034	#############################################################################
2501		4035
2502	my $bug_warning = 0;	4036	my $bug_warning = 0;
2503		4037
2504	$TICK_WATCHER = Event->timer (	4038	our @WAIT_FOR_TICK;
2505	reentrant => 0,	4039	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	4040
2507	prio => 0,	4041	sub wait_for_tick() {
2508	at => $NEXT_TICK || $TICK,	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	4043
2510	cb => sub {	4044	my $signal = new Coro::Signal;
		4045	push @WAIT_FOR_TICK, $signal;
		4046	$signal->wait;
		4047	}
		4048
		4049	sub wait_for_tick_begin() {
		4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4051
		4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK_BEGIN, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub tick {
2511	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2514	return;	4061	return;
2515	}	4062	}
2516		4063
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		4065
2523	$WAIT_FOR_TICK->broadcast;	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		4067
2526	Event::sweep;	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	Coro::cede_notself;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4070	Coro::async_pool {
		4071	$Coro::current->{desc} = "runtime saver";
		4072	write_runtime_sync
		4073	or error "ERROR: unable to write runtime file: $!";
		4074	};
		4075	}
		4076
		4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4078	$sig->send;
		4079	}
		4080	while (my $sig = shift @WAIT_FOR_TICK) {
		4081	$sig->send;
		4082	}
		4083
		4084	$LOAD = ($NOW - $TICK_START) / $TICK;
		4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4086
		4087	if (0) {
		4088	if ($NEXT_TICK) {
		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
2528		4092	}
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	4093	}
2538	);	4094	}
2539		4095
		4096	{
		4097	# configure BDB
		4098
		4099	BDB::min_parallel 16;
		4100	BDB::max_poll_reqs $TICK * 0.1;
		4101	$AnyEvent::BDB::WATCHER->priority (1);
		4102
		4103	unless ($DB_ENV) {
		4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4110
		4111	cf::sync_job {
		4112	eval {
		4113	BDB::db_env_open
		4114	$DB_ENV,
		4115	$BDBDIR,
		4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4118	0666;
		4119
		4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4121	};
		4122
		4123	cf::cleanup "db_env_open(db): $@" if $@;
		4124	};
		4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
		4136	}
		4137
		4138	{
		4139	# configure IO::AIO
		4140
		4141	IO::AIO::min_parallel 8;
2540	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
		4143	undef $AnyEvent::AIO::WATCHER;
		4144	}
2541		4145
2542	undef $Coro::AIO::WATCHER;	4146	our $_log_backtrace;
2543	$AIO_POLL_WATCHER = Event->io (	4147	our $_log_backtrace_last;
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551		4148
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	4149	sub _log_backtrace {
2553	reentrant => 0,	4150	my ($msg, @addr) = @_;
2554	data => WF_AUTOCANCEL,	4151
2555	after => 1,	4152	$msg =~ s/\n$//;
2556	interval => 10,	4153
2557	prio => 6, # keep it lowest so it acts like a watchdog	4154	if ($_log_backtrace_last eq $msg) {
2558	cb => Coro::unblock_sub {	4155	LOG llevInfo, "[ABT] $msg\n";
2559	write_runtime	4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2560	or warn "ERROR: unable to write runtime file: $!";	4157	# limit the # of concurrent backtraces
		4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
		4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
		4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
		4165	my @bt = fork_call {
		4166	@addr = map { sprintf "%x", $_ } @addr;
		4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4169	or die "addr2line: $!";
		4170
		4171	my @funcs;
		4172	my @res = <$fh>;
		4173	chomp for @res;
		4174	while (@res) {
		4175	my ($func, $line) = splice @res, 0, 2, ();
		4176	push @funcs, "[$func] $line";
		4177	}
		4178
		4179	@funcs
		4180	};
		4181
		4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4184	LOG llevInfo, "[ABT] $_\n" for @bt;
		4185	--$_log_backtrace;
		4186	};
		4187	} else {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2561	},	4190	}
2562	);	4191	}
		4192
		4193	# load additional modules
		4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2563		4196
2564	END { cf::emergency_save }	4197	END { cf::emergency_save }
2565		4198
2566	1	4199	1
2567		4200

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