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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	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
48	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	93	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
51		96
52	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	98	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	121	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
59		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
62		130
63	our %CFG;	131	our %CFG;
64		132
65	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
67		136
68	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		140
77	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
80	binmode STDOUT;	154	binmode STDOUT;
81	binmode STDERR;	155	binmode STDERR;
82		156
83	# read virtual server time, if available	157	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
88	}	162	}
89		163
90	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	165
92	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		168
97	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
98		170
99	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
100		187
101	#############################################################################	188	#############################################################################
102		189
103	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
104		191
…		…
111	=item $cf::RUNTIME	198	=item $cf::RUNTIME
112		199
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	201	every server tick.
115		202
116	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		206
118	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
120		211
121	=item $cf::NOW	212	=item $cf::NOW
122		213
123	The time of the last (current) server tick.	214	The time of the last (current) server tick.
124		215
125	=item $cf::TICK	216	=item $cf::TICK
126		217
127	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
128		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
129	=item %cf::CFG	230	=item %cf::CFG
130		231
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	233	from wherever your confdir points to.
133		234
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		236
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
138	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
140		257
141	=back	258	=back
142		259
143	=cut	260	=cut
144		261
145	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
146	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
147	my $msg = join "", @_;	269	my $msg = join "", @_;
148	utf8::encode $msg;
149		270
150	$msg .= "\n"	271	$msg .= "\n"
151	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
152		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
153	LOG llevError, $msg;	276	LOG llevWarn, $msg;
154	};	277	};
155	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
156		292
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		300
164	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	302	# within the Safe compartment.
166	for my $pkg (qw(	303	for my $pkg (qw(
167	cf::global cf::attachable	304	cf::global cf::attachable
168	cf::object cf::object::player	305	cf::object cf::object::player
169	cf::client cf::player	306	cf::client cf::player
170	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
171	cf::map cf::party cf::region	309	cf::party cf::region
172	)) {	310	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	312	}
176		313
177	$Event::DIED = sub {	314	$EV::DIED = sub {
178	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
179	};	316	};
		317
		318	#############################################################################
180		319
181	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
182		321
183	=over 4	322	=over 4
184		323
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	343	$d
205	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
206	}	345	}
207		346
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
211		348
212	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
213		350
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
222		352
223	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
224		354
225	=cut	355	=cut
226		356
227	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
229	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
230	}	403	}
231		404
232	=item cf::lock_wait $string	405	=item cf::lock_wait $string
233		406
234	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
235		408
236	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
237		410
238	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
241	returned.	414	returned.
242		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
243	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
245		421
246	=cut	422	=item $locked = cf::lock_active $string
247		423
248	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
249		429
250	sub lock_wait($) {	430	sub lock_wait($) {
251	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	432	}
259		433
260	sub lock_acquire($) {	434	sub lock_acquire($) {
261	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
262		437
263	# wait, to be sure we are not locked	438	sub lock_active($) {
264	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	440	}
273		441
274	sub freeze_mainloop {	442	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
276		444
277	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
279	};	512	}
280	$TICK_WATCHER->stop;	513	};
281	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
282	}	528	}
283		529
284	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
285		531
286	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		537
292	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
293		539
294	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
295		541
296	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
299		546
300	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
303	fast or be very important.	550	fast or be very important.
…		…
305	=cut	552	=cut
306		553
307	sub sync_job(&) {	554	sub sync_job(&) {
308	my ($job) = @_;	555	my ($job) = @_;
309		556
310	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
311	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
313		562
314	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	564
316	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
317		566
318	my $busy = 1;	567	my $busy = 1;
319	my @res;	568	my @res;
320		569
321	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	572	@res = eval { $job->() };
323	warn $@ if $@;	573	error $@ if $@;
324	undef $busy;	574	undef $busy;
325	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
326		576
327	while ($busy) {	577	while ($busy) {
328	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
329	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
330		588
331	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
332	} else {	590	} else {
333	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
334		592
…		…
354	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
355		613
356	$coro	614	$coro
357	}	615	}
358		616
359	sub write_runtime {	617	=item fork_call { }, @args
360	my $guard = cf::lock_acquire "write_runtime";
361		618
362	my $runtime = cf::localdir . "/runtime";	619	Executes the given code block with the given arguments in a seperate
		620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
363		623
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
365	or return;
366		625
367	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
368	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
369	# 60 allows for the watchdog to kill the server.	628	}
370		629
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
372	and return;	631	my ($cb, @args) = @_;
373		632
374	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
375	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
376	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
377		636
378	close $fh	637	my @res = Coro::Util::fork_eval {
379	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
380		641
381	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
382	and return;	643	}
383		644
		645	sub objinfo {
384	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	821	}
386		822
387	=back	823	=back
388		824
389	=cut	825	=cut
390		826
391	#############################################################################	827	#############################################################################
392		828
393	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
394		830
395	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
398		834
399	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	837	Deliantra).
402		838
403	=over 4	839	=over 4
404		840
405	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
406		842
…		…
450	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
451		887
452	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
454		890
455	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
457		893
458	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
459		895
460	=over 4	896	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
570		1006
571	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1011
576	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
578		1014
579	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
584		1020
585	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1023
588	} elsif (ref $type) {	1024	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
590		1026
591	} else {	1027	} else {
592	shift @arg;	1028	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
594	}	1030	}
595	}	1031	}
596	}	1032	}
597		1033
598	sub _object_attach {	1034	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
609	}	1045	}
610		1046
611	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
612	} else {	1048	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1050	}
615		1051
616	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
617	}	1053	}
618		1054
…		…
620	if (ref $_[0]) {	1056	if (ref $_[0]) {
621	_object_attach @_;	1057	_object_attach @_;
622	} else {	1058	} else {
623	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
624	}	1060	}
		1061	_recalc_want;
625	};	1062	};
626		1063
627	# all those should be optimised	1064	# all those should be optimised
628	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1070	reattach ($obj);
634	} else {	1071	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
636	}	1073	}
		1074	_recalc_want;
637	};	1075	};
638		1076
639	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
641		1079
…		…
656	";	1094	";
657	die if $@;	1095	die if $@;
658	}	1096	}
659		1097
660	our $override;	1098	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1100
663	sub override {	1101	sub override {
664	$override = 1;	1102	$override = 1;
665	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
666	}	1104	}
667		1105
668	sub do_invoke {	1106	sub do_invoke {
669	my $event = shift;	1107	my $event = shift;
670	my $callbacks = shift;	1108	my $callbacks = shift;
671		1109
672	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
673		1111
674	local $override;	1112	local $override;
675		1113
676	for (@$callbacks) {	1114	for (@$callbacks) {
677	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
678		1116
679	if ($@) {	1117	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1119	override;
683	}	1120	}
684		1121
685	return 1 if $override;	1122	return 1 if $override;
686	}	1123	}
687		1124
688	0	1125	0
689	}	1126	}
690		1127
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1129
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1131
695	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
696		1133
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1137
701	=back	1138	=back
702		1139
703	=cut	1140	=cut
704		1141
705	#############################################################################	1142	#############################################################################
706	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
707		1186
708	sub reattach {	1187	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1189	my ($obj) = @_;
711		1190
		1191	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1193
714	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
715		1195
716	@$registry = ();	1196	@$registry = ();
717		1197
…		…
722	for (@$attach) {	1202	for (@$attach) {
723	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
725	}	1205	}
726	} else {	1206	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1208	}
729	}	1209	}
730	}	1210	}
731		1211
732	cf::attachable->attach (	1212	cf::attachable->attach (
733	prio => -1000000,	1213	prio => -1000000,
734	on_instantiate => sub {	1214	on_instantiate => sub {
735	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
736		1216
737	$data = from_json $data;	1217	$data = decode_json $data;
738		1218
739	for (@$data) {	1219	for (@$data) {
740	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
741		1221
742	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1238	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
760		1240
761	sync_job {	1241	sync_job {
762	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
765		1247
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
770	close $fh;	1255	aio_close $fh;
771		1256
772	if (@$objs) {	1257	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
778	close $fh;	1266	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
780	}	1268	}
781	} else {	1269	} else {
782	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
783	}	1271	}
784		1272
785	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1277	} else {
787	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
788	}	1279	}
789	} else {	1280	} else {
790	aio_unlink $filename;	1281	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
792	}	1283	}
793	}	1284	};
794	}	1285	}
795		1286
796	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
798		1289
…		…
810	or return;	1301	or return;
811		1302
812	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
814	or return;	1305	or return;
		1306
815	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
816	}	1309	}
817		1310
		1311	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
820	return ($data, $av);	1316	($data, $av)
821	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
822		1324
823	#############################################################################	1325	#############################################################################
824	# command handling &c	1326	# command handling &c
825		1327
826	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1342	}
841		1343
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1345
844	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
845		1351
846	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
847	called.	1353	called.
848		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
849	=cut	1366	=cut
850		1367
851	sub register_extcmd {	1368	sub register_extcmd {
852	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
853		1370
854	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
855	}	1372	}
856		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
857	cf::player->attach (	1382	cf::player->attach (
858	on_command => sub {	1383	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
860		1385
861	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
862	or return;	1387	or return;
863		1388
…		…
868	cf::override;	1393	cf::override;
869	},	1394	},
870	on_extcmd => sub {	1395	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
872		1397
873	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1399
875	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
881	} else {	1415	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1417	}
884		1418
885	cf::override;	1419	cf::override;
886	},	1420	},
887	);	1421	);
888		1422
		1423	# "readahead" all extensions
889	sub load_extension {	1424	sub cache_extensions {
890	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
891		1426
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1430	}
917	die $@;
918	}	1431	};
919		1432
920	push @EXTS, $pkg;	1433	$grp
921	}	1434	}
922		1435
923	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
924	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1443	next unless -r $path;
926	eval {	1444
927	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
928	1	1508	}
929	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
930	}	1519	};
931	}	1520	}
932		1521
933	#############################################################################	1522	#############################################################################
934		1523
		1524	=back
		1525
935	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
936		1527
937	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
938		1529
939	=cut	1530	=cut
940		1531
941	package cf::player;	1532	package cf::player;
942		1533
…		…
944		1535
945	=head3 cf::player	1536	=head3 cf::player
946		1537
947	=over 4	1538	=over 4
948		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
949	=item cf::player::find $login	1554	=item cf::player::find $login
950		1555
951	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
952		1557
953	=cut	1558	=cut
954		1559
955	sub playerdir($) {	1560	sub playerdir($) {
956	cf::localdir	1561	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1563	}
962		1564
963	sub path($) {	1565	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1567
966	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
967	}	1569	}
968		1570
969	sub find_active($) {	1571	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
974		1576
975	sub exists($) {	1577	sub exists($) {
976	my ($login) = @_;	1578	my ($login) = @_;
977		1579
978	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
980	}	1582	}
981		1583
982	sub find($) {	1584	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1586	my $login = $_[0];
985		1587
986	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
987		1589
988	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
990	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
992	}	1607	}
993	}	1608	}
994	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
995		1623
996	sub save($) {	1624	sub save($) {
997	my ($pl) = @_;	1625	my ($pl) = @_;
998		1626
999	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1005		1633
1006	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1008		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1009	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1010	Coro::cede;	1643	cf::cede_to_tick;
1011	}	1644	}
1012		1645
1013	sub new($) {	1646	sub new($) {
1014	my ($login) = @_;	1647	my ($login) = @_;
1015		1648
…		…
1021	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1022		1655
1023	$self	1656	$self
1024	}	1657	}
1025		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1026	=item $pl->quit_character	1669	=item $pl->quit_character
1027		1670
1028	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1030		1673
…		…
1034	my ($pl) = @_;	1677	my ($pl) = @_;
1035		1678
1036	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1037		1680
1038	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1683
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1042	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1044	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1045		1692
1046	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1048	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1077	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1078		1725
1079	=cut	1726	=cut
1080		1727
1081	sub list_logins {	1728	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1730	or return [];
1084		1731
1085	my @logins;	1732	my @logins;
1086		1733
1087	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1091		1744
1092	utf8::decode $login;	1745	utf8::decode $login;
1093	push @logins, $login;	1746	push @logins, $login;
1094	}	1747	}
1095		1748
1096	\@logins	1749	\@logins
1097	}	1750	}
1098		1751
1099	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1100		1755
1101	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1102	player. May block.	1757	player. May block.
1103		1758
1104	=cut	1759	=cut
…		…
1122	}	1777	}
1123		1778
1124	\@paths	1779	\@paths
1125	}	1780	}
1126		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1128		1787
1129	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1130		1789
1131	=cut	1790	=cut
1132		1791
1133	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1135		1794
1136	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1796	}
1140		1797
1141	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1142		1840
1143	=back	1841	=back
1144
1145		1842
1146	=head3 cf::map	1843	=head3 cf::map
1147		1844
1148	=over 4	1845	=over 4
1149		1846
…		…
1161	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1163		1860
1164	sub generate_random_map {	1861	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1166	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1867	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1178	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1179	)	1880	)
1180	}	1881	}
1181		1882
1182	=item cf::map->register ($regex, $prio)	1883	=item cf::map->register ($regex, $prio)
1183		1884
…		…
1189		1890
1190	sub register {	1891	sub register {
1191	my (undef, $regex, $prio) = @_;	1892	my (undef, $regex, $prio) = @_;
1192	my $pkg = caller;	1893	my $pkg = caller;
1193		1894
1194	no strict;
1195	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1196		1896
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	1898	}
1199		1899
1200	# also paths starting with '/'	1900	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		1902
1203	sub thawer_merge {	1903	sub thawer_merge {
1204	my ($self, $merge) = @_;	1904	my ($self, $merge) = @_;
1205		1905
1206	# we have to keep some variables in memory intact	1906	# we have to keep some variables in memory intact
1207	local $self->{path};	1907	local $self->{path};
1208	local $self->{load_path};	1908	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1909
1212	$self->SUPER::thawer_merge ($merge);	1910	$self->SUPER::thawer_merge ($merge);
1213	}	1911	}
1214		1912
1215	sub normalise {	1913	sub normalise {
1216	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
1217		1915
1218	$path = "$path"; # make sure its a string	1916	$path = "$path"; # make sure it's a string
1219		1917
1220	$path =~ s/\.map$//;	1918	$path =~ s/\.map$//;
1221		1919
1222	# map plan:	1920	# map plan:
1223	#	1921	#
…		…
1238	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1239	$path = "$base/$path";	1937	$path = "$base/$path";
1240	}	1938	}
1241		1939
1242	for ($path) {	1940	for ($path) {
1243	redo if s{//}{/};
1244	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1245	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1246	}	1943	}
1247		1944
1248	$path	1945	$path
…		…
1262	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1263	return $self;	1960	return $self;
1264	}	1961	}
1265	}	1962	}
1266		1963
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1268	()	1965	()
1269	}	1966	}
1270		1967
1271	sub init {	1968	sub init {
1272	my ($self) = @_;	1969	my ($self) = @_;
…		…
1287		1984
1288	# the original (read-only) location	1985	# the original (read-only) location
1289	sub load_path {	1986	sub load_path {
1290	my ($self) = @_;	1987	my ($self) = @_;
1291		1988
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1293	}	1990	}
1294		1991
1295	# the temporary/swap location	1992	# the temporary/swap location
1296	sub save_path {	1993	sub save_path {
1297	my ($self) = @_;	1994	my ($self) = @_;
1298		1995
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1301	}	1998	}
1302		1999
1303	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1304	sub uniq_path {	2001	sub uniq_path {
1305	my ($self) = @_;	2002	my ($self) = @_;
1306		2003
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1309	}	2006	}
1310		2007
1311	# and all this just because we cannot iterate over	2008	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	2009	my ($self) = @_;
1315		2010
1316	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1318	}	2014	}
1319		2015
1320	sub unlink_save {	2016	sub unlink_save {
1321	my ($self) = @_;	2017	my ($self) = @_;
1322		2018
…		…
1327		2023
1328	sub load_header_from($) {	2024	sub load_header_from($) {
1329	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1330		2026
1331	utf8::encode $path;	2027	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1337		2036
1338	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1339		2038
1340	1	2039	1
1341	}	2040	}
…		…
1380	$self->load_header_orig	2079	$self->load_header_orig
1381	or return;	2080	or return;
1382	$self->prepare_orig;	2081	$self->prepare_orig;
1383	}	2082	}
1384		2083
		2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
		2086
		2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
		2089
1385	1	2090	1
1386	}	2091	}
1387		2092
1388	sub find;	2093	sub find;
1389	sub find {	2094	sub find {
1390	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1391		2096
		2097	cf::cede_to_tick;
		2098
1392	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1393		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2103
1396	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1399	or return;	2106	or return;
1400		2107
1401	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1402		2109
1403	$map->load_header	2110	$map->load_header
1404	or return;	2111	or return;
1405		2112
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1409	$map->reset;	2118	$map->reset;
1410	undef $guard;
1411	return find $path;	2119	return find $path;
1412	}	2120	}
1413		2121
1414	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1415	}	2123	}
1416	}	2124	}
1417		2125
1418	sub pre_load { }	2126	sub pre_load { }
1419	sub post_load { }	2127	#sub post_load { } # XS
1420		2128
1421	sub load {	2129	sub load {
1422	my ($self) = @_;	2130	my ($self) = @_;
1423		2131
1424	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1425		2133
1426	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1428		2138
		2139	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2141
1431	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1432		2143
1433	$self->alloc;	2144	$self->alloc;
1434		2145
1435	$self->pre_load;	2146	$self->pre_load;
		2147	cf::cede_to_tick;
1436		2148
1437	$self->_load_objects ($self->{load_path}, 1)	2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1438	or return;	2152	or return;
1439		2153
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1441	if delete $self->{load_original};	2155	if delete $self->{load_original};
1442		2156
1443	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2158	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2161	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1448	}	2165	}
1449	}	2166	}
1450		2167
1451	Coro::cede;	2168	$f->resolve_delayed_derefs;
1452		2169
		2170	cf::cede_to_tick;
1453	# now do the right thing for maps	2171	# now do the right thing for maps
1454	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2174	unless $self->difficulty;
1464	Coro::cede;	2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1465	$self->activate;	2182	$self->activate;
		2183	}
		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
		2188	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2189	}
1467		2190
1468	$self->post_load;	2191	$self->post_load;
1469		2192
1470	$self->in_memory (cf::MAP_IN_MEMORY);	2193	1
1471	}	2194	}
1472		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2199	sub customise_for {
1474	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1475		2201
1476	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2203	if $self->per_player;
1478		2204
		2205	# return find "?party/" . $ob->name . "/" . $self->{path}
		2206	# if $self->per_party;
		2207
1479	$self	2208	$self
1480	}	2209	}
1481		2210
1482	# find and load all maps in the 3x3 area around a map	2211	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2212	sub load_neighbours {
1484	my ($map) = @_;	2213	my ($map) = @_;
1485		2214
1486	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1487		2216
1488	for (0 .. 3) {	2217	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1490	or next;	2219	or next;
1491	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1492	or next;	2221	or next;
1493	$neigh->load;	2222	$neigh->load;
1494		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2228	}
1498		2229
1499	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1501	or next;	2233	or next;
1502	$neigh->load;	2234	$neigh->load;
1503	}	2235	}
1504	}	2236	}
1505		2237
1506	sub find_sync {	2238	sub find_sync {
1507	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1508		2240
1509	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1510	}	2245	}
1511		2246
1512	sub do_load_sync {	2247	sub do_load_sync {
1513	my ($map) = @_;	2248	my ($map) = @_;
1514		2249
1515	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
1516	}	2254	}
1517		2255
1518	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2257	our $MAP_PREFETCHER = undef;
1520		2258
1521	sub find_async {	2259	sub find_async {
1522	my ($path, $origin) = @_;	2260	my ($path, $origin, $load) = @_;
1523		2261
1524	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1525		2263
1526	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2266	}
1529		2267
1530	undef $MAP_PREFETCH{$path};	2268	$MAP_PREFETCH{$path} |= $load;
		2269
1531	$MAP_PREFETCHER ||= cf::async {	2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
1532	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2275	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2276	$map->load if $v;
		2277	}
1537		2278
1538	delete $MAP_PREFETCH{$path};	2279	delete $MAP_PREFETCH{$k};
1539	}	2280	}
1540	}	2281	}
1541	undef $MAP_PREFETCHER;	2282	undef $MAP_PREFETCHER;
1542	};	2283	};
1543	$MAP_PREFETCHER->prio (6);	2284	$MAP_PREFETCHER->prio (6);
1544		2285
1545	()	2286	()
1546	}	2287	}
1547		2288
		2289	# common code, used by both ->save and ->swapout
1548	sub save {	2290	sub _save {
1549	my ($self) = @_;	2291	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2292
1553	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1554		2294
1555	return unless $self->dirty;	2295	return unless $self->dirty;
1556		2296
…		…
1562	return if $self->{deny_save};	2302	return if $self->{deny_save};
1563		2303
1564	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
1565		2305
1566	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
1568	};	2309	};
		2310
		2311	cf::get_slot 0.02;
1569		2312
1570	if ($uniq) {	2313	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2316	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2318	}
1576	}	2319	}
1577		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
1578	sub swap_out {	2329	sub swap_out {
1579	my ($self) = @_;	2330	my ($self) = @_;
1580		2331
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1586	return if $self->players;	2336	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1590	$self->clear;	2347	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2348	}
1593		2349
1594	sub reset_at {	2350	sub reset_at {
1595	my ($self) = @_;	2351	my ($self) = @_;
1596		2352
1597	# TODO: safety, remove and allow resettable per-player maps	2353	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2354	return 1e99 if $self->{deny_reset};
1600		2355
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2356	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2357	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2358
…		…
1614	my ($self) = @_;	2369	my ($self) = @_;
1615		2370
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2372
1618	return if $self->players;	2373	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2374
1621	warn "resetting map ", $self->path;#d#	2375	cf::trace "resetting map ", $self->path, "\n";
1622		2376
1623	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->in_memory (cf::MAP_SWAPPED);
1624		2378
1625	# need to save uniques path	2379	# need to save uniques path
1626	unless ($self->{deny_save}) {	2380	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2384	if $uniq;
1631	}	2385	}
1632		2386
1633	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1634		2388
		2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2391	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2392
1639	$self->unlink_save;	2393	$self->unlink_save;
1640	$self->destroy;	2394	$self->destroy;
1641	}	2395	}
1642		2396
1643	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1644		2398
1645	sub nuke {	2399	sub nuke {
1646	my ($self) = @_;	2400	my ($self) = @_;
1647		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
1648	delete $cf::MAP{$self->path};	2405	delete $cf::MAP{$self->path};
1649		2406
1650	$self->unlink_save;	2407	$self->unlink_save;
1651		2408
1652	bless $self, "cf::map";	2409	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2410	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2414
1658	$cf::MAP{$self->path} = $self;	2415	$cf::MAP{$self->path} = $self;
		2416	}
1659		2417
1660	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
		2419	}
		2420
		2421	=item $maps = cf::map::tmp_maps
		2422
		2423	Returns an arrayref with all map paths of currently instantiated and saved
		2424	maps. May block.
		2425
		2426	=cut
		2427
		2428	sub tmp_maps() {
		2429	[
		2430	map {
		2431	utf8::decode $_;
		2432	/\.map$/
		2433	? normalise $_
		2434	: ()
		2435	} @{ aio_readdir $TMPDIR or [] }
		2436	]
		2437	}
		2438
		2439	=item $maps = cf::map::random_maps
		2440
		2441	Returns an arrayref with all map paths of currently instantiated and saved
		2442	random maps. May block.
		2443
		2444	=cut
		2445
		2446	sub random_maps() {
		2447	[
		2448	map {
		2449	utf8::decode $_;
		2450	/\.map$/
		2451	? normalise "?random/$_"
		2452	: ()
		2453	} @{ aio_readdir $RANDOMDIR or [] }
		2454	]
1661	}	2455	}
1662		2456
1663	=item cf::map::unique_maps	2457	=item cf::map::unique_maps
1664		2458
1665	Returns an arrayref of paths of all shared maps that have	2459	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2460	instantiated unique items. May block.
1667		2461
1668	=cut	2462	=cut
1669		2463
1670	sub unique_maps() {	2464	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2465	[
1672	or return;	2466	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2467	utf8::decode $_;
1678	next if /\.pst$/;	2468	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2470	? ()
1681	push @paths, cf::map::normalise $_;	2471	: normalise $_
		2472	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2473	]
1683
1684	\@paths
1685	}	2474	}
1686		2475
1687	package cf;	2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
		2503	}
		2504
		2505	\@maps
		2506	}
1688		2507
1689	=back	2508	=back
1690		2509
1691	=head3 cf::object	2510	=head3 cf::object
1692		2511
…		…
1696		2515
1697	=over 4	2516	=over 4
1698		2517
1699	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
1700		2519
1701	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
1702		2522
1703	=cut	2523	=cut
1704		2524
1705	sub inv_recursive_;	2525	sub inv_recursive_;
1706	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
1709		2529
1710	sub inv_recursive {	2530	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
1712	}	2532	}
1713		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
1714	package cf;	2562	package cf;
1715		2563
1716	=back	2564	=back
1717		2565
1718	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1727		2575
1728	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
1729		2591
1730	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2593	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1735		2597
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2599
1738	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1740	} else {	2603	} else {
		2604	my $pl = $self->contr;
		2605
		2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2607	my $dialog = $pl->{npc_dialog};
		2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2609
		2610	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1743	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
1744	}	2625	}
1745		2626
1746	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1747		2628
1748	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1761		2642
1762	=item $player_object->enter_link	2643	=item $player_object->enter_link
1763		2644
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2646
1766	The player should be reasonably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
1768		2651
1769	Will never block.	2652	Will never block.
1770		2653
1771	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1772		2655
…		…
1792	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2676	my ($self) = @_;
1794		2677
1795	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1796		2679
		2680	++$self->{_link_recursion};
		2681
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2683
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2685	if $self->map && $self->map->{path} ne "{link}";
1801		2686
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2688	}
1804		2689
1805	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
		2692
		2693	return unless $self->contr->active;
1807		2694
1808	my $link_pos = delete $self->{_link_pos};	2695	my $link_pos = delete $self->{_link_pos};
1809		2696
1810	unless ($map) {	2697	unless ($map) {
1811	# restore original map position	2698	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
1824		2711
1825	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
1828		2715
1829	$map->load;	2716	$map->load;
1830	$map->load_diag;	2717	$map->load_neighbours;
1831		2718
1832	return unless $self->contr->active;	2719	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2720
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2722	if ($self->enter_map ($map, $x, $y)) {
1837	}	2723	# entering was successful
1838		2724	delete $self->{_link_recursion};
1839	cf::player->attach (	2725	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2726	$self->activate_recursive;
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},	2727	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2728
1853	# try to abort aborted map switching on player login :)	2729	}
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2730
1871	=item $player_object->goto ($path, $x, $y)	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		2732
		2733	Moves the player to the given map-path and coordinates by first freezing
		2734	her, loading and preparing them map, calling the provided $check callback
		2735	that has to return the map if sucecssful, and then unfreezes the player on
		2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
		2741
1873	=cut	2742	=cut
		2743
		2744	our $GOTOGEN;
1874		2745
1875	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
		2754
		2755	# do generation counting so two concurrent goto's will be executed in-order
		2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2757
1878	$self->enter_link;	2758	$self->enter_link;
1879		2759
1880	(async {	2760	(async {
		2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
1881	my $map = eval {	2782	my $map = eval {
1882	my $map = cf::map::find $path;	2783	my $map = defined $path ? cf::map::find $path : undef;
		2784
		2785	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2786	$map = $map->customise_for ($self);
		2787	$map = $check->($map, $x, $y, $self) if $check && $map;
		2788	} else {
		2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2790	}
		2791
1884	$map	2792	$map
		2793	};
		2794
		2795	if ($@) {
		2796	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2797	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2798	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2799
		2800	if ($gen == $self->{_goto_generation}) {
		2801	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
		2803	}
		2804
		2805	$done->($self) if $done;
1889	})->prio (1);	2806	})->prio (1);
1890	}	2807	}
1891		2808
1892	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
1893		2810
…		…
1913	}	2830	}
1914		2831
1915	sub prepare_random_map {	2832	sub prepare_random_map {
1916	my ($exit) = @_;	2833	my ($exit) = @_;
1917		2834
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2835	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2836	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2837	# that depends on the exit object
1923		2838
1924	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2841	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2842	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
1931	}	2848	}
1932		2849
1933	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
1934		2851
1935	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2854	my $meta = "$RANDOMDIR/$md5.meta";
1938		2855
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2858	undef $fh;
1942	aio_rename "$meta~", $meta;	2859	aio_rename "$meta~", $meta;
1943		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
1946	}	2867	}
1947	}	2868	}
1948		2869
1949	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
1951		2872
1952	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
1953		2874
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2875	$self->enter_link;
1964		2876
1965	(async {	2877	(async {
1966	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
1967	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
		2887	prepare_random_map $exit
		2888	if $exit->slaying eq "/!";
		2889	}
		2890
		2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
		2894
1968	$self->goto ($slaying, $hp, $sp);	2895	$self->goto ($map, $x, $y);
1969		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
1970	1;	2901	1
1971	}) {	2902	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2907
1977	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	2909	$self->leave_link;
1979	}	2910	}
1980	})->prio (1);	2911	})->prio (1);
1981	}	2912	}
1982		2913
…		…
1993		2924
1994	sub cf::client::send_drawinfo {	2925	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2926	my ($self, $text, $flags) = @_;
1996		2927
1997	utf8::encode $text;	2928	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2930	}
2000		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
		2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2958
		2959	Send a drawinfo or msg packet to the client, formatting the msg for the
		2960	client if neccessary. C<$type> should be a string identifying the type of
		2961	the message, with C<log> being the default. If C<$color> is negative, suppress
		2962	the message unless the client supports the msg packet.
		2963
		2964	=cut
		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
		3080	sub cf::client::send_msg {
		3081	my ($self, $channel, $msg, $color, @extra) = @_;
		3082
		3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
		3104
		3105	return unless @extra || length $msg;
		3106
		3107	# default colour, mask it out
		3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3109	if $color & cf::NDI_DEF;
		3110
		3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
		3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3114	);
		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
		3119	=item $client->ext_msg ($type, @msg)
		3120
		3121	Sends an ext event to the client.
		3122
		3123	=cut
		3124
		3125	sub cf::client::ext_msg($$@) {
		3126	my ($self, $type, @msg) = @_;
		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
		3131	push @msg, msgtype => "event_$type";
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
		3152	}
2001		3153
2002	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
2003		3155
2004	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3157	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3158	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3159
2008	Queries can fail, so check the return code. Or don't, as queries will become	3160	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3161	become reliable at some point in the future.
2010		3162
2011	=cut	3163	=cut
2012		3164
2013	sub cf::client::query {	3165	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3174	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3176
2025	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
2027	}	3181	}
2028		3182
2029	cf::client->attach (	3183	cf::client->attach (
		3184	on_connect => sub {
		3185	my ($ns) = @_;
		3186
		3187	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3188	},
2030	on_reply => sub {	3189	on_reply => sub {
2031	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
2032		3191
2033	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
2034	# get handled first	3193	# get handled first
…		…
2046	} else {	3205	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3207	}
2049	}	3208	}
2050	},	3209	},
		3210	on_exticmd => sub {
		3211	my ($ns, $buf) = @_;
		3212
		3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3214
		3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
		3223	if (my $cb = $EXTICMD{$type}) {
		3224	@reply = $cb->($ns, @payload);
		3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
		3230	} else {
		3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3232	}
		3233
		3234	cf::override;
		3235	},
2051	);	3236	);
2052		3237
2053	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
2054		3239
2055	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3256
2072	$coro	3257	$coro
2073	}	3258	}
2074		3259
2075	cf::client->attach (	3260	cf::client->attach (
2076	on_destroy => sub {	3261	on_client_destroy => sub {
2077	my ($ns) = @_;	3262	my ($ns) = @_;
2078		3263
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3265	},
2081	);	3266	);
…		…
2096	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2098		3283
2099	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2100		3285
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
2102		3291
2103	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
2104		3293
2105	=pod	3294	=pod
2106		3295
2107	The following fucntions and emthods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2108		3297
2109	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
2110	cf::object::player player	3303	cf::object::player
2111	cf::player peaceful	3304	player
2112	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2113		3311
2114	=cut	3312	=cut
2115		3313
2116	for (	3314	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2121	) {	3321	) {
2122	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2125	for @funs;	3324	for @funs;
2126	}	3325	}
2127		3326
…		…
2142		3341
2143	my $qcode = $code;	3342	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2146		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2147	local $_;	3349	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3350
2150	my $eval =	3351	my $eval =
2151	"do {\n"	3352	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3355	. $code
2155	. "\n}"	3356	. "\n}"
2156	;	3357	;
2157		3358
		3359	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2161		3368
2162	if ($@) {	3369	if ($@) {
2163	warn "$@";	3370	warn "$@",
2164	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2166	}	3373	}
2167		3374
2168	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2169	}	3376	}
2170		3377
…		…
2184	=cut	3391	=cut
2185		3392
2186	sub register_script_function {	3393	sub register_script_function {
2187	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2188		3395
2189	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2191	}	3398	}
2192		3399
2193	=back	3400	=back
2194		3401
2195	=cut	3402	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3403
2269	#############################################################################	3404	#############################################################################
2270	# the server's init and main functions	3405	# the server's init and main functions
2271		3406
2272	sub load_faces {	3407	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3408	my ($path) = @_;
2274		3409
		3410	# HACK to clear player env face cache, we need some signal framework
		3411	# for this (global event?)
		3412	%ext::player_env::MUSIC_FACE_CACHE = ();
		3413
		3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3415
2275	warn "loading faces from $path\n";	3416	trace "loading facedata from $path\n";
2276		3417
2277	my $faces;
2278	0 < aio_load $path, $faces	3418	0 < aio_load $path, my $facedata
2279	or die "$path: $!";	3419	or die "$path: $!";
2280		3420
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3421	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3422
		3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
		3435	{
		3436	my $faces = $facedata->{faceinfo};
		3437
2285	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3440
		3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3445
		3446	cf::cede_to_tick;
		3447	}
		3448
		3449	while (my ($face, $info) = each %$faces) {
		3450	next unless $info->{smooth};
		3451
		3452	my $idx = cf::face::find $face
		3453	or next;
		3454
		3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
2290	}	3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3495
2292	1	3496	1
2293	}	3497	}
2294		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2295	sub reload_resources {	3569	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3570	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3571
		3572	reload_exp_table;
		3573	reload_materials;
2298	load_faces	3574	reload_facedata;
2299	or die "unable to load faces\n";#d#	3575	reload_sound;
2300	}	3576	reload_archetypes;
2301
2302	sub init {
2303	reload_resources;	3577	reload_regions;
2304	}	3578	reload_treasures;
2305		3579
2306	sub cfg_load {	3580	trace "finished reloading resource files\n";
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3581	}
2308	or return;
2309		3582
2310	local $/;	3583	sub reload_config {
2311	*CFG = YAML::Syck::Load <$fh>;	3584	trace "reloading config file...\n";
2312		3585
		3586	0 < aio_load "$CONFDIR/config", my $config
		3587	or die "$CONFDIR/config: $!";
		3588
		3589	utf8::decode $config;
		3590	*CFG = yaml_load $config;
		3591
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3593
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3596
2318	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2322	};	3601	};
2323	warn $@ if $@;	3602	warn $@ if $@;
2324	}	3603	}
2325	}	3604	}
2326		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
2327	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2328	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3647	(async {
2332	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2334	};	3651	};
2335		3652
2336	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
2337	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2338	load_extensions;	3676	load_extensions;
2339		3677
2340	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2342	}	3696	}
2343		3697
2344	#############################################################################	3698	#############################################################################
2345	# initialisation and cleanup	3699	# initialisation and cleanup
2346		3700
2347	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2348	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2357	},
2358	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2359	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2360	}	3797	}
2361		3798
2362	sub emergency_save() {	3799	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2364		3801
2365	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2366		3808
2367	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2368	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3820	$pl->save;
2376	}	3821	}
2377	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2378		3823
2379	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3829	$map->valid or next;
2383	$map->save;	3830	$map->save;
2384	}	3831	}
2385	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2386		3833
2387	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2390	};	3862	};
2391		3863
2392	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2393	}	3865	}
2394		3866
2395	sub post_cleanup {	3867	sub post_cleanup {
2396	my ($make_core) = @_;	3868	my ($make_core) = @_;
2397		3869
		3870	IO::AIO::flush;
		3871
2398	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3873	if $make_core;
2400	}
2401		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2402	sub reload() {	3904	sub do_reload_perl() {
2403	# can/must only be called in main	3905	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2405	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2406	return;	3908	return;
2407	}	3909	}
2408		3910
2409	warn "reloading...";	3911	return if $RELOAD++;
2410		3912
2411	warn "entering sync_job";	3913	my $t1 = AE::time;
2412		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
2413	cf::sync_job {	3921	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark
2415	cf::emergency_save;	3922	#cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark
2417		3923
2418	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;
2420
2421	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";	3924	trace "perl_reload: cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();	3926	%EXT_CORO = ();
2442		3927
2443	warn "removing commands";	3928	trace "perl_reload: removing commands";
2444	%COMMAND = ();	3929	%COMMAND = ();
2445		3930
2446	warn "removing ext commands";	3931	trace "perl_reload: removing ext/exti commands";
2447	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2448		3934
2449	warn "unloading/nuking all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2452		3938
2453	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2454	eval {	3940	eval {
2455	$cb->($pkg);	3941	$cb->($pkg);
2456	1	3942	1
2457	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2458	}	3948	}
2459		3949
2460	warn "... nuking $pkg";
2461	Symbol::delete_package $pkg;
2462	}
2463
2464	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2465	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3953
2468	warn "... unloading $k";	3954	trace "... unloading $k";
2469	delete $INC{$k};	3955	delete $INC{$k};
2470		3956
2471	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2473		3959
2474	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2475	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2476	}	3965	}
2477		3966
2478	Symbol::delete_package $k;
2479	}
2480
2481	warn "getting rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3970
2485	warn "unloading cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		3974
2488	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3976	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2491		3978
2492	warn "unload completed, starting to reload now";	3979	info "perl_reload: unload completed, starting to reload now";
2493		3980
2494	warn "reloading cf.pm";	3981	trace "perl_reload: reloading cf.pm";
2495	require cf;	3982	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2497		3984
2498	warn "loading config and database again";	3985	trace "perl_reload: loading config and database again";
2499	cf::cfg_load;	3986	cf::reload_config;
2500		3987
2501	warn "loading extensions";	3988	trace "perl_reload: loading extensions";
2502	cf::load_extensions;	3989	cf::load_extensions;
2503		3990
		3991	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3993	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3996	trace "perl_reload: reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3997	reattach $_ for values %PLAYER;
		3998	}
2510		3999
2511	warn "loading reloadable resources";	4000	cf::_post_init 1;
2512	reload_resources;
2513		4001
2514	warn "leaving sync_job";	4002	trace "perl_reload: leaving sync_job";
2515		4003
2516	1	4004	1
2517	} or do {	4005	} or do {
2518	warn $@;	4006	error $@;
2519	warn "error while reloading, exiting.";	4007	cf::cleanup "perl_reload: error, exiting.";
2520	exit 1;	4008	};
		4009
		4010	--$RELOAD;
		4011	}
		4012
		4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
		4015	};
		4016
		4017	our $RELOAD_WATCHER; # used only during reload
		4018
		4019	sub reload_perl() {
		4020	# doing reload synchronously and two reloads happen back-to-back,
		4021	# coro crashes during coro_state_free->destroy here.
		4022
		4023	$RELOAD_WATCHER ||= cf::async {
		4024	Coro::AIO::aio_wait cache_extensions;
		4025
		4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4027	do_reload_perl;
		4028	undef $RELOAD_WATCHER;
		4029	};
2521	};	4030	};
2522		4031	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		4032
2528	register_command "reload" => sub {	4033	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2530		4035
2531	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	4037	$who->message ("reloading server.");
2533		4038	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	4039	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	4040	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	4041	};
2546	}	4042	}
2547	};	4043	};
2548		4044
2549	unshift @INC, $LIBDIR;	4045	#############################################################################
2550		4046
2551	my $bug_warning = 0;	4047	my $bug_warning = 0;
2552		4048
2553	$TICK_WATCHER = Event->timer (	4049	our @WAIT_FOR_TICK;
2554	reentrant => 0,	4050	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	4051
2556	prio => 0,	4052	sub wait_for_tick() {
2557	at => $NEXT_TICK || $TICK,	4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	4054
2559	cb => sub {	4055	my $signal = new Coro::Signal;
		4056	push @WAIT_FOR_TICK, $signal;
		4057	$signal->wait;
		4058	}
		4059
		4060	sub wait_for_tick_begin() {
		4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4062
		4063	my $signal = new Coro::Signal;
		4064	push @WAIT_FOR_TICK_BEGIN, $signal;
		4065	$signal->wait;
		4066	}
		4067
		4068	sub tick {
2560	if ($Coro::current != $Coro::main) {	4069	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4071	unless ++$bug_warning > 10;
2563	return;	4072	return;
2564	}	4073	}
2565		4074
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4076
		4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4078
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4081	Coro::async_pool {
		4082	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4083	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4084	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4085	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	4086	}
2592	);	4087
		4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4089	$sig->send;
		4090	}
		4091	while (my $sig = shift @WAIT_FOR_TICK) {
		4092	$sig->send;
		4093	}
		4094
		4095	$LOAD = ($NOW - $TICK_START) / $TICK;
		4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4097
		4098	if (0) {
		4099	if ($NEXT_TICK) {
		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
		4103	}
		4104	}
		4105	}
2593		4106
2594	{	4107	{
2595	BDB::max_poll_time $TICK * 0.1;	4108	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4109
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4110	BDB::min_parallel 16;
2605		4111	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4112	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4113
2621	unless ($DB_ENV) {	4114	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4121
2624	cf::sync_job {	4122	cf::sync_job {
2625	eval {	4123	eval {
2626	BDB::db_env_open	4124	BDB::db_env_open
2627	$DB_ENV,	4125	$DB_ENV,
2628	$BDB_ENV_DIR,	4126	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4129	0666;
2632		4130
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4132	};
2638		4133
2639	cf::cleanup "db_env_open(db): $@" if $@;	4134	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4135	};
2641	}	4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
2642	}	4147	}
2643		4148
2644	{	4149	{
		4150	# configure IO::AIO
		4151
2645	IO::AIO::min_parallel 8;	4152	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4153	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4154	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4155	}
		4156
		4157	our $_log_backtrace;
		4158	our $_log_backtrace_last;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n$//;
		4164
		4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4168	# limit the # of concurrent backtraces
		4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
		4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
		4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
		4176	my @bt = fork_call {
		4177	@addr = map { sprintf "%x", $_ } @addr;
		4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4180	or die "addr2line: $!";
		4181
		4182	my @funcs;
		4183	my @res = <$fh>;
		4184	chomp for @res;
		4185	while (@res) {
		4186	my ($func, $line) = splice @res, 0, 2, ();
		4187	push @funcs, "[$func] $line";
		4188	}
		4189
		4190	@funcs
		4191	};
		4192
		4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4195	LOG llevInfo, "[ABT] $_\n" for @bt;
		4196	--$_log_backtrace;
		4197	};
		4198	} else {
		4199	LOG llevInfo, "[ABT] $msg\n";
		4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4201	}
		4202	}
		4203
		4204	# load additional modules
		4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
2658		4207
2659	END { cf::emergency_save }	4208	END { cf::emergency_save }
2660		4209
2661	1	4210	1
2662		4211

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