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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 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 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	123	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		132
62	our %CFG;	133	our %CFG;
63		134
64	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
66		138
67	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		142
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		155
79	binmode STDOUT;	156	binmode STDOUT;
80	binmode STDERR;	157	binmode STDERR;
81		158
82	# read virtual server time, if available	159	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
87	}	164	}
88		165
89	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	167
91	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		170
96	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
97		172
98	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::"} };
99		189
100	#############################################################################	190	#############################################################################
101		191
102	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
103		193
…		…
110	=item $cf::RUNTIME	200	=item $cf::RUNTIME
111		201
112	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
113	every server tick.	203	every server tick.
114		204
115	=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
116		208
117	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		213
120	=item $cf::NOW	214	=item $cf::NOW
121		215
122	The time of the last (current) server tick.	216	The time of the last (current) server tick.
123		217
124	=item $cf::TICK	218	=item $cf::TICK
125		219
126	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	232	=item %cf::CFG
129		233
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	235	from wherever your confdir points to.
132		236
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		238
135	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
136	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
137	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.
138	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.
139		259
140	=back	260	=back
141		261
142	=cut	262	=cut
143		263
144	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	271	my $msg = join "", @_;
147	utf8::encode $msg;
148		272
149	$msg .= "\n"	273	$msg .= "\n"
150	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
151		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
152	LOG llevError, $msg;	278	LOG llevWarn, $msg;
153	};	279	};
154	}	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	};
155		294
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		302
163	# 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
164	# within the Safe compartment.	304	# within the Safe compartment.
165	for my $pkg (qw(	305	for my $pkg (qw(
166	cf::global cf::attachable	306	cf::global cf::attachable
167	cf::object cf::object::player	307	cf::object cf::object::player
168	cf::client cf::player	308	cf::client cf::player
169	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
170	cf::map cf::party cf::region	311	cf::party cf::region
171	)) {	312	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	314	}
175		315
176	$Event::DIED = sub {	316	$EV::DIED = sub {
177	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
178	};	318	};
		319
		320	#############################################################################
179		321
180	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
181		323
182	=over 4	324	=over 4
183		325
…		…
202	$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;
203	$d	345	$d
204	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
205	}	347	}
206		348
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
210		350
211	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
212		352
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
221		354
222	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
223		356
224	=cut	357	=cut
225		358
226	sub to_json($) {	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	360
228	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	}
229	}	405	}
230		406
231	=item cf::lock_wait $string	407	=item cf::lock_wait $string
232		408
233	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
234		410
235	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
236		412
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
240	returned.	416	returned.
241		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
242	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
243	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
244		423
245	=cut	424	=item $locked = cf::lock_active $string
246		425
247	our %LOCK;	426	Return true if the lock is currently active, i.e. somebody has locked it.
		427
		428	=cut
		429
		430	our $LOCKS = new Coro::SemaphoreSet;
248		431
249	sub lock_wait($) {	432	sub lock_wait($) {
250	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	434	}
258		435
259	sub lock_acquire($) {	436	sub lock_acquire($) {
260	my ($key) = @_;	437	$LOCKS->guard ($_[0])
		438	}
261		439
262	# wait, to be sure we are not locked	440	sub lock_active($) {
263	lock_wait $key;	441	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	442	}
272		443
273	sub freeze_mainloop {	444	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
275		446
276	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	448	}
		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($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
278	};	514	}
279	$TICK_WATCHER->stop;	515	};
280	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
281	}	530	}
282		531
283	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
284		533
285	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		539
291	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
292		541
293	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
294		543
295	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
298		548
299	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
302	fast or be very important.	552	fast or be very important.
…		…
304	=cut	554	=cut
305		555
306	sub sync_job(&) {	556	sub sync_job(&) {
307	my ($job) = @_;	557	my ($job) = @_;
308		558
309	if ($Coro::current == $Coro::main) {	559	if (in_main) {
		560	my $time = AE::time;
		561
310	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
312		564
313	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	566
315	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
316		568
317	my $busy = 1;	569	my $busy = 1;
318	my @res;	570	my @res;
319		571
320	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	574	@res = eval { $job->() };
322	warn $@ if $@;	575	error $@ if $@;
323	undef $busy;	576	undef $busy;
324	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
325		578
326	while ($busy) {	579	while ($busy) {
327	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
328	}	584	}
		585	}
		586
		587	my $time = AE::time - $time;
		588
		589	$TICK_START += $time; # do not account sync jobs to server load
329		590
330	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
331	} else {	592	} else {
332	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
333		594
…		…
353	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
354		615
355	$coro	616	$coro
356	}	617	}
357		618
358	sub write_runtime {	619	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		620
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	621	Executes the given code block with the given arguments in a seperate
362	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.
363		625
364	my $value = $cf::RUNTIME + 90 + 10;	626	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		627
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	628	sub post_fork {
369	and return;	629	reset_signals;
		630	}
370		631
371	# always fsync - this file is important	632	sub fork_call(&@) {
372	aio_fsync $fh	633	my ($cb, @args) = @_;
373	and return;
374		634
375	close $fh	635	# we seemingly have to make a local copy of the whole thing,
376	or return;	636	# otherwise perl prematurely frees the stuff :/
		637	# TODO: investigate and fix (likely this will be rather laborious)
377		638
378	aio_rename "$runtime~", $runtime	639	my @res = Coro::Util::fork_eval {
379	and return;	640	cf::post_fork;
		641	&$cb
		642	} @args;
380		643
		644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
381	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 });
382	}	823	}
383		824
384	=back	825	=back
385		826
386	=cut	827	=cut
387		828
388	#############################################################################	829	#############################################################################
389		830
390	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
391		832
392	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
393	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")
394	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
395		836
396	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>
397	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
398	crossfire+).	839	Deliantra).
399		840
400	=over 4	841	=over 4
401		842
402	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
403		844
…		…
447	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
448		889
449	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
451		892
452	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		895
455	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
456		897
457	=over 4	898	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
567		1008
568	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1013
573	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
575		1016
576	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
581		1022
582	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1025
585	} elsif (ref $type) {	1026	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
587		1028
588	} else {	1029	} else {
589	shift @arg;	1030	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
591	}	1032	}
592	}	1033	}
593	}	1034	}
594		1035
595	sub _object_attach {	1036	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
606	}	1047	}
607		1048
608	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
609	} else {	1050	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1052	}
612		1053
613	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
614	}	1055	}
615		1056
…		…
617	if (ref $_[0]) {	1058	if (ref $_[0]) {
618	_object_attach @_;	1059	_object_attach @_;
619	} else {	1060	} else {
620	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
621	}	1062	}
		1063	_recalc_want;
622	};	1064	};
623		1065
624	# all those should be optimised	1066	# all those should be optimised
625	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1072	reattach ($obj);
631	} else {	1073	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
633	}	1075	}
		1076	_recalc_want;
634	};	1077	};
635		1078
636	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
638		1081
…		…
653	";	1096	";
654	die if $@;	1097	die if $@;
655	}	1098	}
656		1099
657	our $override;	1100	our $override;
658	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?
659		1102
660	sub override {	1103	sub override {
661	$override = 1;	1104	$override = 1;
662	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
663	}	1106	}
664		1107
665	sub do_invoke {	1108	sub do_invoke {
666	my $event = shift;	1109	my $event = shift;
667	my $callbacks = shift;	1110	my $callbacks = shift;
668		1111
669	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
670		1113
671	local $override;	1114	local $override;
672		1115
673	for (@$callbacks) {	1116	for (@$callbacks) {
674	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
675		1118
676	if ($@) {	1119	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1121	override;
680	}	1122	}
681		1123
682	return 1 if $override;	1124	return 1 if $override;
683	}	1125	}
684		1126
685	0	1127	0
686	}	1128	}
687		1129
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1131
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1133
692	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
693		1135
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1139
698	=back	1140	=back
699		1141
700	=cut	1142	=cut
701		1143
702	#############################################################################	1144	#############################################################################
703	# 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, $ob2
		1187	}
704		1188
705	sub reattach {	1189	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1191	my ($obj) = @_;
708		1192
		1193	# no longer needed after getting rid of delete_package?
709	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
710		1195
711	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
712		1197
713	@$registry = ();	1198	@$registry = ();
714		1199
…		…
719	for (@$attach) {	1204	for (@$attach) {
720	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
722	}	1207	}
723	} else {	1208	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1210	}
726	}	1211	}
727	}	1212	}
728		1213
729	cf::attachable->attach (	1214	cf::attachable->attach (
730	prio => -1000000,	1215	prio => -1000000,
731	on_instantiate => sub {	1216	on_instantiate => sub {
732	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
733		1218
734	$data = from_json $data;	1219	$data = decode_json $data;
735		1220
736	for (@$data) {	1221	for (@$data) {
737	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
738		1223
739	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1240	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
757		1242
758	sync_job {	1243	sync_job {
759	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
762		1249
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($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;
		1255	aio_fsync $fh;
		1256	}
767	close $fh;	1257	aio_close $fh;
768		1258
769	if (@$objs) {	1259	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($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;
		1266	aio_fsync $fh;
		1267	}
775	close $fh;	1268	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
777	}	1270	}
778	} else {	1271	} else {
779	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
780	}	1273	}
781		1274
782	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1279	} else {
784	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
785	}	1281	}
786	} else {	1282	} else {
787	aio_unlink $filename;	1283	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
789	}	1285	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1286	};
797	}	1287	}
798		1288
799	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
801		1291
…		…
806		1296
807	sub object_thawer_load {	1297	sub object_thawer_load {
808	my ($filename) = @_;	1298	my ($filename) = @_;
809		1299
810	my ($data, $av);	1300	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1301
815	(aio_load $filename, $data) >= 0	1302	(aio_load $filename, $data) >= 0
816	or return;	1303	or return;
817		1304
818	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
820	or return;	1307	or return;
		1308
821	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
822	}	1311	}
823		1312
		1313	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
826	return ($data, $av);	1318	($data, $av)
827	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
828		1326
829	#############################################################################	1327	#############################################################################
830	# command handling &c	1328	# command handling &c
831		1329
832	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1344	}
847		1345
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1347
850	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.
851		1353
852	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
853	called.	1355	called.
854		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
855	=cut	1368	=cut
856		1369
857	sub register_extcmd {	1370	sub register_extcmd {
858	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
859		1372
860	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
861	}	1374	}
862		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
863	cf::player->attach (	1384	cf::player->attach (
864	on_command => sub {	1385	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
866		1387
867	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
868	or return;	1389	or return;
869		1390
…		…
874	cf::override;	1395	cf::override;
875	},	1396	},
876	on_extcmd => sub {	1397	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
878		1399
879	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1401
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
887	} else {	1417	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1419	}
890		1420
891	cf::override;	1421	cf::override;
892	},	1422	},
893	);	1423	);
894		1424
		1425	# "readahead" all extensions
895	sub load_extension {	1426	sub cache_extensions {
896	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
897		1428
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1432	}
923	die $@;
924	}	1433	};
925		1434
926	push @EXTS, $pkg;	1435	$grp
927	}	1436	}
928		1437
929	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
930	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1445	next unless -r $path;
932	eval {	1446
933	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 $active;
		1509	}
934	1	1510	}
935	} or warn "$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	}
936	}	1521	};
937	}	1522	}
938		1523
939	#############################################################################	1524	#############################################################################
940		1525
		1526	=back
		1527
941	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
942		1529
943	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
944		1531
945	=cut	1532	=cut
946		1533
947	package cf::player;	1534	package cf::player;
948		1535
…		…
950		1537
951	=head3 cf::player	1538	=head3 cf::player
952		1539
953	=over 4	1540	=over 4
954		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
955	=item cf::player::find $login	1556	=item cf::player::find $login
956		1557
957	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
958		1559
959	=cut	1560	=cut
960		1561
961	sub playerdir($) {	1562	sub playerdir($) {
962	cf::localdir	1563	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1564	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1565	}
968		1566
969	sub path($) {	1567	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1568	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1569
972	(playerdir $login) . "/$login.pl"	1570	(playerdir $login) . "/playerdata"
973	}	1571	}
974		1572
975	sub find_active($) {	1573	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1574	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1575	and $cf::PLAYER{$_[0]}->active
…		…
980		1578
981	sub exists($) {	1579	sub exists($) {
982	my ($login) = @_;	1580	my ($login) = @_;
983		1581
984	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
986	}	1584	}
987		1585
988	sub find($) {	1586	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1588	my $login = $_[0];
991		1589
992	my $guard = cf::lock_acquire "user_find:$login";	1590	my $guard = cf::lock_acquire "user_find:$login";
993		1591
994	$cf::PLAYER{$_[0]} || do {	1592	$cf::PLAYER{$_[0]} || do {
995	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
996	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;
997	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
998	}	1609	}
999	}	1610	}
1000	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($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	);
1001		1625
1002	sub save($) {	1626	sub save($) {
1003	my ($pl) = @_;	1627	my ($pl) = @_;
1004		1628
1005	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1011		1635
1012	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1014		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
1015	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1016	Coro::cede;	1645	cf::cede_to_tick;
1017	}	1646	}
1018		1647
1019	sub new($) {	1648	sub new($) {
1020	my ($login) = @_;	1649	my ($login) = @_;
1021		1650
…		…
1027	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1028		1657
1029	$self	1658	$self
1030	}	1659	}
1031		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
1032	=item $pl->quit_character	1671	=item $pl->quit_character
1033		1672
1034	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1036		1675
1037	=cut	1676	=cut
1038		1677
1039	sub quit_character {	1678	sub quit_character {
1040	my ($pl) = @_;	1679	my ($pl) = @_;
1041		1680
		1681	my $name = $pl->ob->name;
		1682
1042	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1043	$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
1044		1685
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1046	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1048	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1049		1694
1050	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1698	delete $cf::PLAYER{$pl->ob->name};
1054	$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
1055	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;
1056	}	1721	}
1057		1722
1058	=item cf::player::list_logins	1723	=item cf::player::list_logins
1059		1724
1060	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
1061	while and may block, so not sync_job-capable, ever.	1726	while and may block, so not sync_job-capable, ever.
1062		1727
1063	=cut	1728	=cut
1064		1729
1065	sub list_logins {	1730	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1731	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1732	or return [];
1068		1733
1069	my @logins;	1734	my @logins;
1070		1735
1071	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") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1075		1746
1076	utf8::decode $login;	1747	utf8::decode $login;
1077	push @logins, $login;	1748	push @logins, $login;
1078	}	1749	}
1079		1750
1080	\@logins	1751	\@logins
1081	}	1752	}
1082		1753
1083	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1084		1757
1085	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1086	player. May block.	1759	player. May block.
1087		1760
1088	=cut	1761	=cut
…		…
1106	}	1779	}
1107		1780
1108	\@paths	1781	\@paths
1109	}	1782	}
1110		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1112		1789
1113	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1114		1791
1115	=cut	1792	=cut
1116		1793
1117	sub ext_reply($$$%) {	1794	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1119		1796
1120	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1798	}
1124		1799
1125	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	}
1126		1842
1127	=back	1843	=back
1128
1129		1844
1130	=head3 cf::map	1845	=head3 cf::map
1131		1846
1132	=over 4	1847	=over 4
1133		1848
…		…
1145	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1147		1862
1148	sub generate_random_map {	1863	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1150	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1151	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1162	(cf::region::find $rmp->{region}), $rmp->{custom}
1163	)
1164	}	1869	}
1165		1870
1166	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1167		1872
1168	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
…		…
1173		1878
1174	sub register {	1879	sub register {
1175	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	1881	my $pkg = caller;
1177		1882
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		1884
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	1886	}
1183		1887
1184	# also paths starting with '/'	1888	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		1890
1187	sub thawer_merge {	1891	sub thawer_merge {
1188	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1189		1893
1190	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1191	local $self->{path};	1895	local $self->{path};
1192	local $self->{load_path};	1896	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1897
1196	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1197	}	1899	}
1198		1900
1199	sub normalise {	1901	sub normalise {
1200	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1201		1903
1202	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1203		1905
1204	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1205		1907
1206	# map plan:	1908	# map plan:
1207	#	1909	#
…		…
1222	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1223	$path = "$base/$path";	1925	$path = "$base/$path";
1224	}	1926	}
1225		1927
1226	for ($path) {	1928	for ($path) {
1227	redo if s{//}{/};
1228	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1229	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1230	}	1931	}
1231		1932
1232	$path	1933	$path
…		…
1246	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1247	return $self;	1948	return $self;
1248	}	1949	}
1249	}	1950	}
1250		1951
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	1953	()
1253	}	1954	}
1254		1955
1255	sub init {	1956	sub init {
1256	my ($self) = @_;	1957	my ($self) = @_;
…		…
1271		1972
1272	# the original (read-only) location	1973	# the original (read-only) location
1273	sub load_path {	1974	sub load_path {
1274	my ($self) = @_;	1975	my ($self) = @_;
1275		1976
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1977	"$MAPDIR/$self->{path}.map"
1277	}	1978	}
1278		1979
1279	# the temporary/swap location	1980	# the temporary/swap location
1280	sub save_path {	1981	sub save_path {
1281	my ($self) = @_;	1982	my ($self) = @_;
1282		1983
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1985	"$TMPDIR/$path.map"
1285	}	1986	}
1286		1987
1287	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1288	sub uniq_path {	1989	sub uniq_path {
1289	my ($self) = @_;	1990	my ($self) = @_;
1290		1991
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1993	"$UNIQUEDIR/$path"
1293	}	1994	}
1294		1995
1295	# and all this just because we cannot iterate over	1996	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1997	my ($self) = @_;
1299		1998
1300	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1302	}	2002	}
1303		2003
1304	sub unlink_save {	2004	sub unlink_save {
1305	my ($self) = @_;	2005	my ($self) = @_;
1306		2006
1307	utf8::encode (my $save = $self->save_path);	2007	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2008	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2009	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	2010	}
1316		2011
1317	sub load_header_from($) {	2012	sub load_header_from($) {
1318	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1319		2014
1320	utf8::encode $path;	2015	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	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;
1326		2024
1327	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1328		2026
1329	1	2027	1
1330	}	2028	}
…		…
1369	$self->load_header_orig	2067	$self->load_header_orig
1370	or return;	2068	or return;
1371	$self->prepare_orig;	2069	$self->prepare_orig;
1372	}	2070	}
1373		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
1374	1	2078	1
1375	}	2079	}
1376		2080
1377	sub find;	2081	sub find;
1378	sub find {	2082	sub find {
1379	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1380		2084
		2085	cf::cede_to_tick;
		2086
1381	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1382		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2091
1385	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1388	or return;	2094	or return;
1389		2095
1390	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1391		2097
1392	$map->load_header	2098	$map->load_header
1393	or return;	2099	or return;
1394		2100
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1398	$map->reset;	2106	$map->reset;
1399	undef $guard;
1400	return find $path;	2107	return find $path;
1401	}	2108	}
1402		2109
1403	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1404	}	2111	}
1405	}	2112	}
1406		2113
1407	sub pre_load { }	2114	sub pre_load { }
1408	sub post_load { }	2115	#sub post_load { } # XS
1409		2116
1410	sub load {	2117	sub load {
1411	my ($self) = @_;	2118	my ($self) = @_;
1412		2119
1413	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1414		2121
1415	my $path = $self->{path};	2122	my $path = $self->{path};
		2123
		2124	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1417		2126
		2127	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2129
1420	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1421		2131
1422	$self->alloc;	2132	$self->alloc;
1423		2133
1424	$self->pre_load;	2134	$self->pre_load;
		2135	cf::cede_to_tick;
1425		2136
1426	$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)
1427	or return;	2140	or return;
1428		2141
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1430	if delete $self->{load_original};	2143	if delete $self->{load_original};
1431		2144
1432	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2146	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2149	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1437	}	2153	}
1438	}	2154	}
1439		2155
1440	Coro::cede;	2156	$f->resolve_delayed_derefs;
1441		2157
		2158	cf::cede_to_tick;
1442	# now do the right thing for maps	2159	# now do the right thing for maps
1443	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2162	unless $self->difficulty;
1453	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;
1454	$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);
1455	}	2177	}
1456		2178
1457	$self->post_load;	2179	$self->post_load;
1458		2180
1459	$self->in_memory (cf::MAP_IN_MEMORY);	2181	1
1460	}	2182	}
1461		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
1462	sub customise_for {	2187	sub customise_for {
1463	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1464		2189
1465	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2191	if $self->per_player;
1467		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1468	$self	2196	$self
1469	}	2197	}
1470		2198
1471	# 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
1472	sub load_diag {	2200	sub load_neighbours {
1473	my ($map) = @_;	2201	my ($map) = @_;
1474		2202
1475	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1476		2204
1477	for (0 .. 3) {	2205	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1479	or next;	2207	or next;
1480	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1481	or next;	2209	or next;
1482	$neigh->load;	2210	$neigh->load;
1483		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2216	}
1487		2217
1488	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1490	or next;	2221	or next;
1491	$neigh->load;	2222	$neigh->load;
1492	}	2223	}
1493	}	2224	}
1494		2225
1495	sub find_sync {	2226	sub find_sync {
1496	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1497		2228
1498	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
1499	}	2233	}
1500		2234
1501	sub do_load_sync {	2235	sub do_load_sync {
1502	my ($map) = @_;	2236	my ($map) = @_;
1503		2237
1504	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;
1505	}	2242	}
1506		2243
1507	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1509		2246
1510	sub find_async {	2247	sub find_async {
1511	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1512		2249
1513	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1514		2251
1515	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2254	}
1518		2255
1519	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1520	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1521	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2263	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2264	$map->load if $v;
		2265	}
1526		2266
1527	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1528	}	2268	}
1529	}	2269	}
1530	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1531	};	2271	};
1532	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1533		2273
1534	()	2274	()
1535	}	2275	}
1536		2276
		2277	# common code, used by both ->save and ->swapout
1537	sub save {	2278	sub _save {
1538	my ($self) = @_;	2279	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2280
1542	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1543		2282
1544	return unless $self->dirty;	2283	return unless $self->dirty;
1545		2284
…		…
1551	return if $self->{deny_save};	2290	return if $self->{deny_save};
1552		2291
1553	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1554		2293
1555	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1557	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1558		2300
1559	if ($uniq) {	2301	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2304	} else {
1563	$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);
1564	}	2306	}
1565	}	2307	}
1566		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1567	sub swap_out {	2317	sub swap_out {
1568	my ($self) = @_;	2318	my ($self) = @_;
1569		2319
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1575	return if $self->players;	2324	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		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
1579	$self->clear;	2335	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2336	}
1582		2337
1583	sub reset_at {	2338	sub reset_at {
1584	my ($self) = @_;	2339	my ($self) = @_;
1585		2340
1586	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1589		2343
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	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;
1592		2346
…		…
1603	my ($self) = @_;	2357	my ($self) = @_;
1604		2358
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2360
1607	return if $self->players;	2361	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2362
1610	warn "resetting map ", $self->path;#d#	2363	cf::trace "resetting map ", $self->path, "\n";
1611		2364
1612	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1613		2366
1614	# need to save uniques path	2367	# need to save uniques path
1615	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2372	if $uniq;
1620	}	2373	}
1621		2374
1622	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1623		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2379	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2380
1628	$self->unlink_save;	2381	$self->unlink_save;
1629	$self->destroy;	2382	$self->destroy;
1630	}	2383	}
1631		2384
1632	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1633		2386
1634	sub nuke {	2387	sub nuke {
1635	my ($self) = @_;	2388	my ($self) = @_;
1636		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1637	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1638		2394
1639	$self->unlink_save;	2395	$self->unlink_save;
1640		2396
1641	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2402
1647	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1648		2405
1649	$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	]
1650	}	2443	}
1651		2444
1652	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1653		2446
1654	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2448	instantiated unique items. May block.
1656		2449
1657	=cut	2450	=cut
1658		2451
1659	sub unique_maps() {	2452	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2453	[
1661	or return;	2454	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2455	utf8::decode $_;
1667	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2458	? ()
1670	push @paths, cf::map::normalise $_;	2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2461	]
1672
1673	\@paths
1674	}	2462	}
1675		2463
1676	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	}
1677		2495
1678	=back	2496	=back
1679		2497
1680	=head3 cf::object	2498	=head3 cf::object
1681		2499
…		…
1685		2503
1686	=over 4	2504	=over 4
1687		2505
1688	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1689		2507
1690	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.
1691		2510
1692	=cut	2511	=cut
1693		2512
1694	sub inv_recursive_;	2513	sub inv_recursive_;
1695	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1698		2517
1699	sub inv_recursive {	2518	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1701	}	2520	}
1702		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
1703	package cf;	2550	package cf;
1704		2551
1705	=back	2552	=back
1706		2553
1707	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1713	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>
1714	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
1715	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1716		2563
1717	=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	};
1718		2579
1719	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2581	# with dialog boxes.
1721	#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
1722	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1724		2585
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2587
1727	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1729	} 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 {
1730	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1732	}	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 (@_);
1733	}	2613	}
1734		2614
1735	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1736		2616
1737	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1750		2630
1751	=item $player_object->enter_link	2631	=item $player_object->enter_link
1752		2632
1753	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}>).
1754		2634
1755	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.
1756	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.
1757		2639
1758	Will never block.	2640	Will never block.
1759		2641
1760	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1761		2643
…		…
1781	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2664	my ($self) = @_;
1783		2665
1784	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1785		2667
		2668	++$self->{_link_recursion};
		2669
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2671
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1790		2674
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2676	}
1793		2677
1794	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1796		2682
1797	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1798		2684
1799	unless ($map) {	2685	unless ($map) {
1800	# restore original map position	2686	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1813		2699
1814	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1817		2703
1818	$map->load;	2704	$map->load;
1819	$map->load_diag;	2705	$map->load_neighbours;
1820		2706
1821	return unless $self->contr->active;	2707	return unless $self->contr->active;
1822	$self->activate_recursive;
1823		2708
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
1826	}	2711	# entering was successful
1827		2712	delete $self->{_link_recursion};
1828	cf::player->attach (	2713	# only activate afterwards, to support waiting in hooks
1829	on_logout => sub {	2714	$self->activate_recursive;
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2715	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2716
1842	# try to abort aborted map switching on player login :)	2717	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2718
1860	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		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
1862	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1863		2733
1864	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1865	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;
1866		2745
1867	$self->enter_link;	2746	$self->enter_link;
1868		2747
1869	(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
1870	my $map = eval {	2770	my $map = eval {
1871	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2786	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1878	})->prio (1);	2794	})->prio (1);
1879	}	2795	}
1880		2796
1881	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1882		2798
…		…
1902	}	2818	}
1903		2819
1904	sub prepare_random_map {	2820	sub prepare_random_map {
1905	my ($exit) = @_;	2821	my ($exit) = @_;
1906		2822
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2825	# that depends on the exit object
1912		2826
1913	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2829	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
1920	}	2836	}
1921		2837
1922	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
1923		2839
1924	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
1927		2843
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2846	undef $fh;
1931	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
1932		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
1935	}	2855	}
1936	}	2856	}
1937		2857
1938	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
1940		2860
1941	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
1942		2862
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2863	$self->enter_link;
1953		2864
1954	(async {	2865	(async {
1955	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
1956	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
1957	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
1958		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
1959	1;	2889	1
1960	}) {	2890	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2895
1966	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2897	$self->leave_link;
1968	}	2898	}
1969	})->prio (1);	2899	})->prio (1);
1970	}	2900	}
1971		2901
…		…
1982		2912
1983	sub cf::client::send_drawinfo {	2913	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2914	my ($self, $text, $flags) = @_;
1985		2915
1986	utf8::encode $text;	2916	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2918	}
1989		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	}
1990		3141
1991	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
1992		3143
1993	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		3147
1997	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
1998	reliable at some point in the future.	3149	become reliable at some point in the future.
1999		3150
2000	=cut	3151	=cut
2001		3152
2002	sub cf::client::query {	3153	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3162	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3164
2014	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
2016	}	3169	}
2017		3170
2018	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	},
2019	on_reply => sub {	3177	on_reply => sub {
2020	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
2021		3179
2022	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2023	# get handled first	3181	# get handled first
…		…
2035	} else {	3193	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3195	}
2038	}	3196	}
2039	},	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	},
2040	);	3224	);
2041		3225
2042	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2043		3227
2044	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3244
2061	$coro	3245	$coro
2062	}	3246	}
2063		3247
2064	cf::client->attach (	3248	cf::client->attach (
2065	on_destroy => sub {	3249	on_client_destroy => sub {
2066	my ($ns) = @_;	3250	my ($ns) = @_;
2067		3251
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3253	},
2070	);	3254	);
…		…
2085	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2087		3271
2088	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2089		3273
2090	$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	));
2091		3279
2092	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2093		3281
2094	=pod	3282	=pod
2095		3283
2096	The following fucntions and emthods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2097		3285
2098	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
2099	cf::object::player player	3291	cf::object::player
2100	cf::player peaceful	3292	player
2101	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2102		3299
2103	=cut	3300	=cut
2104		3301
2105	for (	3302	for (
2106	["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)],
2107	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2110	) {	3309	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3312	for @funs;
2115	}	3313	}
2116		3314
…		…
2131		3329
2132	my $qcode = $code;	3330	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2135		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2136	local $_;	3337	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3338
2139	my $eval =	3339	my $eval =
2140	"do {\n"	3340	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3343	. $code
2144	. "\n}"	3344	. "\n}"
2145	;	3345	;
2146		3346
		3347	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	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	}
2150		3356
2151	if ($@) {	3357	if ($@) {
2152	warn "$@";	3358	warn "$@",
2153	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2155	}	3361	}
2156		3362
2157	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2158	}	3364	}
2159		3365
…		…
2173	=cut	3379	=cut
2174		3380
2175	sub register_script_function {	3381	sub register_script_function {
2176	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2177		3383
2178	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2180	}	3386	}
2181		3387
2182	=back	3388	=back
2183		3389
2184	=cut	3390	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3391
2258	#############################################################################	3392	#############################################################################
2259	# the server's init and main functions	3393	# the server's init and main functions
2260		3394
		3395	sub load_facedata($) {
		3396	my ($path) = @_;
		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
		3404	trace "loading facedata from $path\n";
		3405
		3406	0 < aio_load $path, my $facedata
		3407	or die "$path: $!";
		3408
		3409	$facedata = Coro::Storable::thaw $facedata;
		3410
		3411	$facedata->{version} == 2
		3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
		3423	{
		3424	my $faces = $facedata->{faceinfo};
		3425
		3426	while (my ($face, $info) = each %$faces) {
		3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
		3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
		3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
		3436	}
		3437
		3438	while (my ($face, $info) = each %$faces) {
		3439	next unless $info->{smooth};
		3440
		3441	my $idx = cf::face::find $face
		3442	or next;
		3443
		3444	if (my $smooth = cf::face::find $info->{smooth}) {
		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	}
		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
2261	sub load_resources {	3496	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2263	or die "unable to load regions file\n";#d#	3512	or die "unable to load regions file\n";
2264	}
2265		3513
2266	sub cfg_load {	3514	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3515	$_->{match} = qr/$_->{match}/
2268	or return;	3516	if exists $_->{match};
		3517	}
		3518	}
2269		3519
2270	local $/;	3520	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3521	load_facedata "$DATADIR/facedata"
		3522	or die "unable to load facedata\n";
		3523	}
2272		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
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3582
2275	$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};
2276	$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};
2277		3585
2278	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2282	};	3590	};
2283	warn $@ if $@;	3591	warn $@ if $@;
2284	}	3592	}
2285	}	3593	}
2286		3594
2287	sub init {	3595	sub pidfile() {
2288	load_resources;	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;
2289	}	3621	}
2290		3622
2291	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
2292	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2294	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#
2295	(async {	3636	(async {
2296	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2298	};	3640	};
2299		3641
2300	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		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;
2301	db_init;	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
2302	load_extensions;	3665	load_extensions;
2303		3666
2304	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2305	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;
2306	}	3685	}
2307		3686
2308	#############################################################################	3687	#############################################################################
2309	# initialisation and cleanup	3688	# initialisation and cleanup
2310		3689
2311	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2312	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2321	},
2322	);	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
2323	}	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 };
2324	}	3786	}
2325		3787
2326	sub emergency_save() {	3788	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2328		3790
2329	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;
2330		3797
2331	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2332	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3809	$pl->save;
2340	}	3810	}
2341	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2342		3812
2343	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";
2344	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3818	$map->valid or next;
2347	$map->save;	3819	$map->save;
2348	}	3820	}
2349	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2350		3822
2351	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	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
2359	sub post_cleanup {	3856	sub post_cleanup {
2360	my ($make_core) = @_;	3857	my ($make_core) = @_;
2361		3858
		3859	IO::AIO::flush;
		3860
2362	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3862	if $make_core;
2364	}
2365		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
2366	sub reload() {	3893	sub do_reload_perl() {
2367	# can/must only be called in main	3894	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2369	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2370	return;	3897	return;
2371	}	3898	}
2372		3899
2373	warn "reloading...";	3900	return if $RELOAD++;
2374		3901
2375	warn "entering sync_job";	3902	my $t1 = AE::time;
2376		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2377	cf::sync_job {	3910	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	3911	#cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark
2381		3912
2382	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;
2384
2385	# if anything goes wrong in here, we should simply crash as we already saved
2386
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";
2399	}
2400
2401	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3915	%EXT_CORO = ();
2404		3916
2405	warn "removing commands";	3917	trace "perl_reload: removing commands";
2406	%COMMAND = ();	3918	%COMMAND = ();
2407		3919
2408	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2409	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2410		3923
2411	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2414		3927
2415	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2416	eval {	3929	eval {
2417	$cb->($pkg);	3930	$cb->($pkg);
2418	1	3931	1
2419	} 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;
2420	}	3937	}
2421		3938
2422	warn "... nuking $pkg";
2423	Symbol::delete_package $pkg;
2424	}
2425
2426	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2427	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3942
2430	warn "... unloading $k";	3943	trace "... unloading $k";
2431	delete $INC{$k};	3944	delete $INC{$k};
2432		3945
2433	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2435		3948
2436	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2437	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2438	}	3954	}
2439		3955
2440	Symbol::delete_package $k;
2441	}
2442
2443	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2445	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);
2446		3959
2447	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
		3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		3963
2450	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3965	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2453		3967
2454	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2455		3969
2456	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2457	require cf;	3971	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2459		3973
2460	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2461	cf::cfg_load;	3975	cf::reload_config;
2462		3976
2463	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2464	cf::load_extensions;	3978	cf::load_extensions;
2465		3979
		3980	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2467	_global_reattach;	3982	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
		3985	trace "perl_reload: reattaching attachments to players";
		3986	reattach $_ for values %PLAYER;
		3987	}
2470		3988
2471	warn "loading reloadable resources";	3989	cf::_post_init 1;
2472	load_resources;
2473		3990
2474	warn "leaving sync_job";	3991	trace "perl_reload: leaving sync_job";
2475		3992
2476	1	3993	1
2477	} or do {	3994	} or do {
2478	warn $@;	3995	error $@;
2479	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
2480	exit 1;	3997	};
		3998
		3999	--$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	};
2481	};	4019	};
2482		4020	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		4021
2488	register_command "reload" => sub {	4022	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2490		4024
2491	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
2493		4027	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	4028	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	4029	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	4030	};
2506	}	4031	}
2507	};	4032	};
2508		4033
2509	unshift @INC, $LIBDIR;	4034	#############################################################################
2510		4035
2511	my $bug_warning = 0;	4036	my $bug_warning = 0;
2512		4037
2513	$TICK_WATCHER = Event->timer (	4038	our @WAIT_FOR_TICK;
2514	reentrant => 0,	4039	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	4040
2516	prio => 0,	4041	sub wait_for_tick() {
2517	at => $NEXT_TICK || $TICK,	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	4043
2519	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	$signal->wait;
		4055	}
		4056
		4057	sub tick {
2520	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2523	return;	4061	return;
2524	}	4062	}
2525		4063
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		4065
		4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4067
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	4070	Coro::async_pool {
		4071	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	4072	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	4073	or error "ERROR: unable to write runtime file: $!";
2537	};
2538	}	4074	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	4075	}
2553	);	4076
		4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4078	$sig->send;
		4079	}
		4080	while (my $sig = shift @WAIT_FOR_TICK) {
		4081	$sig->send;
		4082	}
		4083
		4084	$LOAD = ($NOW - $TICK_START) / $TICK;
		4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4086
		4087	if (0) {
		4088	if ($NEXT_TICK) {
		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
		4093	}
		4094	}
2554		4095
2555	{	4096	{
2556	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	4098
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
2566		4100	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		4102
2582	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	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);
2584		4110
2585	cf::sync_job {	4111	cf::sync_job {
2586	eval {	4112	eval {
2587	BDB::db_env_open	4113	BDB::db_env_open
2588	$DB_ENV,	4114	$DB_ENV,
2589	$BDB_ENV_DIR,	4115	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	4118	0666;
2593		4119
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	4121	};
2599		4122
2600	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	4124	};
2602	}	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	};
2603	}	4136	}
2604		4137
2605	{	4138	{
		4139	# configure IO::AIO
		4140
2606	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	4144	}
		4145
		4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
		4148
		4149	sub _log_backtrace {
		4150	my ($msg, @addr) = @_;
		4151
		4152	$msg =~ s/\n$//;
		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4157	# limit the # of concurrent backtraces
		4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
		4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
		4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
		4165	my @bt = fork_call {
		4166	@addr = map { sprintf "%x", $_ } @addr;
		4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4169	or die "addr2line: $!";
		4170
		4171	my @funcs;
		4172	my @res = <$fh>;
		4173	chomp for @res;
		4174	while (@res) {
		4175	my ($func, $line) = splice @res, 0, 2, ();
		4176	push @funcs, "[$func] $line";
		4177	}
		4178
		4179	@funcs
		4180	};
		4181
		4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4184	LOG llevInfo, "[ABT] $_\n" for @bt;
		4185	--$_log_backtrace;
		4186	};
		4187	} else {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4190	}
		4191	}
		4192
		4193	# load additional modules
		4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2619		4196
2620	END { cf::emergency_save }	4197	END { cf::emergency_save }
2621		4198
2622	1	4199	1
2623		4200

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