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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	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::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	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
119	every server tick.	201	every server tick.
120		202
121	=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
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	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
142	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
143	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.
144	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.
145		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153	utf8::encode $msg;
154		270
155	$msg .= "\n"	271	$msg .= "\n"
156	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
157		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
158	LOG llevError, $msg;	276	LOG llevWarn, $msg;
159	};	277	};
160	}	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	};
161		292
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		300
169	# 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
170	# within the Safe compartment.	302	# within the Safe compartment.
171	for my $pkg (qw(	303	for my $pkg (qw(
172	cf::global cf::attachable	304	cf::global cf::attachable
173	cf::object cf::object::player	305	cf::object cf::object::player
174	cf::client cf::player	306	cf::client cf::player
175	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
176	cf::map cf::party cf::region	309	cf::party cf::region
177	)) {	310	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	312	}
181		313
182	$Event::DIED = sub {	314	$EV::DIED = sub {
183	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
184	};	316	};
		317
		318	#############################################################################
185		319
186	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
187		321
188	=over 4	322	=over 4
189		323
…		…
208	$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;
209	$d	343	$d
210	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
211	}	345	}
212		346
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
216		348
217	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
218		350
219	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
220		352
221	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
222		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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	}
		403	}
		404
223	=item cf::lock_wait $string	405	=item cf::lock_wait $string
224		406
225	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
226		408
227	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
228		410
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
232	returned.	414	returned.
233		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
234	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
235	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
236		421
237	=cut	422	=item $locked = cf::lock_active $string
238		423
239	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
240		429
241	sub lock_wait($) {	430	sub lock_wait($) {
242	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	432	}
250		433
251	sub lock_acquire($) {	434	sub lock_acquire($) {
252	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
253		437
254	# wait, to be sure we are not locked	438	sub lock_active($) {
255	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	440	}
264		441
265	sub freeze_mainloop {	442	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
267		444
268	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
270	};	512	}
271	$TICK_WATCHER->stop;	513	};
272	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
273	}	528	}
274		529
275	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
276		531
277	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		537
283	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
284		539
285	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
286		541
287	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
290		546
291	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
294	fast or be very important.	550	fast or be very important.
…		…
296	=cut	552	=cut
297		553
298	sub sync_job(&) {	554	sub sync_job(&) {
299	my ($job) = @_;	555	my ($job) = @_;
300		556
301	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
302	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
304		562
305	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	564
307	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
308		566
309	my $busy = 1;	567	my $busy = 1;
310	my @res;	568	my @res;
311		569
312	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	572	@res = eval { $job->() };
314	warn $@ if $@;	573	error $@ if $@;
315	undef $busy;	574	undef $busy;
316	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
317		576
318	while ($busy) {	577	while ($busy) {
319	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
320	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
321		588
322	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
323	} else {	590	} else {
324	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
325		592
…		…
345	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
346		613
347	$coro	614	$coro
348	}	615	}
349		616
350	sub write_runtime {	617	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		618
353	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.
354		623
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
356	or return;
357		625
358	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
360	# 60 allows for the watchdog to kill the server.	628	}
361		629
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
363	and return;	631	my ($cb, @args) = @_;
364		632
365	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
367	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
368		636
369	close $fh	637	my @res = Coro::Util::fork_eval {
370	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
371		641
372	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
373	and return;	643	}
374		644
		645	sub objinfo {
375	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"
376	}	810	}
377		811
378	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
379		813
380	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
381		815
382	=cut	816	=cut
383		817
384	sub datalog($@) {	818	sub datalog($@) {
385	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	821	}
388		822
389	=back	823	=back
390		824
391	=cut	825	=cut
392		826
393	#############################################################################	827	#############################################################################
394		828
395	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
396		830
397	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
398	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")
399	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
400		834
401	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>
402	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
403	crossfire+).	837	Deliantra).
404		838
405	=over 4	839	=over 4
406		840
407	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
408		842
…		…
452	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
453		887
454	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
456		890
457	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		893
460	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
461		895
462	=over 4	896	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
572		1006
573	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1011
578	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
580		1014
581	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
586		1020
587	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1023
590	} elsif (ref $type) {	1024	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
592		1026
593	} else {	1027	} else {
594	shift @arg;	1028	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
596	}	1030	}
597	}	1031	}
598	}	1032	}
599		1033
600	sub _object_attach {	1034	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
611	}	1045	}
612		1046
613	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
614	} else {	1048	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1050	}
617		1051
618	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
619	}	1053	}
620		1054
…		…
622	if (ref $_[0]) {	1056	if (ref $_[0]) {
623	_object_attach @_;	1057	_object_attach @_;
624	} else {	1058	} else {
625	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
626	}	1060	}
		1061	_recalc_want;
627	};	1062	};
628		1063
629	# all those should be optimised	1064	# all those should be optimised
630	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1070	reattach ($obj);
636	} else {	1071	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
638	}	1073	}
		1074	_recalc_want;
639	};	1075	};
640		1076
641	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
643		1079
…		…
658	";	1094	";
659	die if $@;	1095	die if $@;
660	}	1096	}
661		1097
662	our $override;	1098	our $override;
663	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?
664		1100
665	sub override {	1101	sub override {
666	$override = 1;	1102	$override = 1;
667	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
668	}	1104	}
669		1105
670	sub do_invoke {	1106	sub do_invoke {
671	my $event = shift;	1107	my $event = shift;
672	my $callbacks = shift;	1108	my $callbacks = shift;
673		1109
674	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
675		1111
676	local $override;	1112	local $override;
677		1113
678	for (@$callbacks) {	1114	for (@$callbacks) {
679	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
680		1116
681	if ($@) {	1117	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1119	override;
685	}	1120	}
686		1121
687	return 1 if $override;	1122	return 1 if $override;
688	}	1123	}
689		1124
690	0	1125	0
691	}	1126	}
692		1127
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1129
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1131
697	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
698		1133
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1137
703	=back	1138	=back
704		1139
705	=cut	1140	=cut
706		1141
707	#############################################################################	1142	#############################################################################
708	# 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, $ob2
		1185	}
709		1186
710	sub reattach {	1187	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1189	my ($obj) = @_;
713		1190
		1191	# no longer needed after getting rid of delete_package?
714	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
715		1193
716	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
717		1195
718	@$registry = ();	1196	@$registry = ();
719		1197
…		…
724	for (@$attach) {	1202	for (@$attach) {
725	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
727	}	1205	}
728	} else {	1206	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1208	}
731	}	1209	}
732	}	1210	}
733		1211
734	cf::attachable->attach (	1212	cf::attachable->attach (
735	prio => -1000000,	1213	prio => -1000000,
736	on_instantiate => sub {	1214	on_instantiate => sub {
737	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
738		1216
739	$data = from_json $data;	1217	$data = decode_json $data;
740		1218
741	for (@$data) {	1219	for (@$data) {
742	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
743		1221
744	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1238	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
762		1240
763	sync_job {	1241	sync_job {
764	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
767		1247
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1255	aio_close $fh;
773		1256
774	if (@$objs) {	1257	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1266	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
782	}	1268	}
783	} else {	1269	} else {
784	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
785	}	1271	}
786		1272
787	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1277	} else {
789	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
790	}	1279	}
791	} else {	1280	} else {
792	aio_unlink $filename;	1281	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
794	}	1283	}
795	}	1284	};
796	}	1285	}
797		1286
798	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
800		1289
…		…
812	or return;	1301	or return;
813		1302
814	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
816	or return;	1305	or return;
		1306
817	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
818	}	1309	}
819		1310
		1311	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
822	return ($data, $av);	1316	($data, $av)
823	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
824		1324
825	#############################################################################	1325	#############################################################################
826	# command handling &c	1326	# command handling &c
827		1327
828	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1342	}
843		1343
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1345
846	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.
847		1351
848	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
849	called.	1353	called.
850		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
851	=cut	1366	=cut
852		1367
853	sub register_extcmd {	1368	sub register_extcmd {
854	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
855		1370
856	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
857	}	1372	}
858		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
859	cf::player->attach (	1382	cf::player->attach (
860	on_command => sub {	1383	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
862		1385
863	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
864	or return;	1387	or return;
865		1388
…		…
870	cf::override;	1393	cf::override;
871	},	1394	},
872	on_extcmd => sub {	1395	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
874		1397
875	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1399
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
883	} else {	1415	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1417	}
886		1418
887	cf::override;	1419	cf::override;
888	},	1420	},
889	);	1421	);
890		1422
		1423	# "readahead" all extensions
891	sub load_extension {	1424	sub cache_extensions {
892	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
893		1426
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1430	}
919	die $@;
920	}	1431	};
921		1432
922	push @EXTS, $pkg;	1433	$grp
923	}	1434	}
924		1435
925	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
926	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1443	next unless -r $path;
928	eval {	1444
929	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 $active;
		1507	}
930	1	1508	}
931	} or warn "$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	}
932	}	1519	};
933	}	1520	}
934		1521
935	#############################################################################	1522	#############################################################################
936		1523
		1524	=back
		1525
937	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
938		1527
939	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
940		1529
941	=cut	1530	=cut
942		1531
943	package cf::player;	1532	package cf::player;
944		1533
…		…
946		1535
947	=head3 cf::player	1536	=head3 cf::player
948		1537
949	=over 4	1538	=over 4
950		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
951	=item cf::player::find $login	1554	=item cf::player::find $login
952		1555
953	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
954		1557
955	=cut	1558	=cut
956		1559
957	sub playerdir($) {	1560	sub playerdir($) {
958	cf::localdir	1561	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1563	}
964		1564
965	sub path($) {	1565	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1567
968	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
969	}	1569	}
970		1570
971	sub find_active($) {	1571	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
976		1576
977	sub exists($) {	1577	sub exists($) {
978	my ($login) = @_;	1578	my ($login) = @_;
979		1579
980	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
982	}	1582	}
983		1583
984	sub find($) {	1584	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1586	my $login = $_[0];
987		1587
988	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
989		1589
990	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
994	}	1607	}
995	}	1608	}
996	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
997		1623
998	sub save($) {	1624	sub save($) {
999	my ($pl) = @_;	1625	my ($pl) = @_;
1000		1626
1001	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1007		1633
1008	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1010		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
1011	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1012	Coro::cede;	1643	cf::cede_to_tick;
1013	}	1644	}
1014		1645
1015	sub new($) {	1646	sub new($) {
1016	my ($login) = @_;	1647	my ($login) = @_;
1017		1648
…		…
1023	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1024		1655
1025	$self	1656	$self
1026	}	1657	}
1027		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
1028	=item $pl->quit_character	1669	=item $pl->quit_character
1029		1670
1030	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1032		1673
…		…
1036	my ($pl) = @_;	1677	my ($pl) = @_;
1037		1678
1038	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1039		1680
1040	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1041	$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
1042		1683
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1046	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1047		1692
1048	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1080		1725
1081	=cut	1726	=cut
1082		1727
1083	sub list_logins {	1728	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1730	or return [];
1086		1731
1087	my @logins;	1732	my @logins;
1088		1733
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1093		1744
1094	utf8::decode $login;	1745	utf8::decode $login;
1095	push @logins, $login;	1746	push @logins, $login;
1096	}	1747	}
1097		1748
1098	\@logins	1749	\@logins
1099	}	1750	}
1100		1751
1101	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1102		1755
1103	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1104	player. May block.	1757	player. May block.
1105		1758
1106	=cut	1759	=cut
…		…
1124	}	1777	}
1125		1778
1126	\@paths	1779	\@paths
1127	}	1780	}
1128		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1129	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1130		1787
1131	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1132		1789
1133	=cut	1790	=cut
1134		1791
1135	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1137		1794
1138	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1796	}
1142		1797
1143	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1144		1799
1145	Sends an ext event to the client.	1800	Sends an ext event to the client.
1146		1801
1147	=cut	1802	=cut
1148		1803
1149	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1151		1806
1152	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1153	}	1808	}
1154		1809
1155	package cf;	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	}
1156		1840
1157	=back	1841	=back
1158
1159		1842
1160	=head3 cf::map	1843	=head3 cf::map
1161		1844
1162	=over 4	1845	=over 4
1163		1846
…		…
1175	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1177		1860
1178	sub generate_random_map {	1861	sub generate_random_map {
1179	my ($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
1180	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1867	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1185	$rmp->{exit_on_final_map},
1186	$rmp->{xsize}, $rmp->{ysize},
1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1192	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1193	)	1870	)
1194	}	1871	}
1195		1872
1196	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1197		1874
…		…
1203		1880
1204	sub register {	1881	sub register {
1205	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1206	my $pkg = caller;	1883	my $pkg = caller;
1207		1884
1208	no strict;
1209	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1210		1886
1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1212	}	1888	}
1213		1889
1214	# also paths starting with '/'	1890	# also paths starting with '/'
1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1216		1892
1217	sub thawer_merge {	1893	sub thawer_merge {
1218	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1219		1895
1220	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
1221	local $self->{path};	1897	local $self->{path};
1222	local $self->{load_path};	1898	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1899
1226	$self->SUPER::thawer_merge ($merge);	1900	$self->SUPER::thawer_merge ($merge);
1227	}	1901	}
1228		1902
1229	sub normalise {	1903	sub normalise {
1230	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1231		1905
1232	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1233		1907
1234	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1235		1909
1236	# map plan:	1910	# map plan:
1237	#	1911	#
…		…
1252	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1253	$path = "$base/$path";	1927	$path = "$base/$path";
1254	}	1928	}
1255		1929
1256	for ($path) {	1930	for ($path) {
1257	redo if s{//}{/};
1258	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1259	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1260	}	1933	}
1261		1934
1262	$path	1935	$path
…		…
1276	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1277	return $self;	1950	return $self;
1278	}	1951	}
1279	}	1952	}
1280		1953
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1282	()	1955	()
1283	}	1956	}
1284		1957
1285	sub init {	1958	sub init {
1286	my ($self) = @_;	1959	my ($self) = @_;
…		…
1301		1974
1302	# the original (read-only) location	1975	# the original (read-only) location
1303	sub load_path {	1976	sub load_path {
1304	my ($self) = @_;	1977	my ($self) = @_;
1305		1978
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1979	"$MAPDIR/$self->{path}.map"
1307	}	1980	}
1308		1981
1309	# the temporary/swap location	1982	# the temporary/swap location
1310	sub save_path {	1983	sub save_path {
1311	my ($self) = @_;	1984	my ($self) = @_;
1312		1985
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1987	"$TMPDIR/$path.map"
1315	}	1988	}
1316		1989
1317	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1318	sub uniq_path {	1991	sub uniq_path {
1319	my ($self) = @_;	1992	my ($self) = @_;
1320		1993
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1995	"$UNIQUEDIR/$path"
1323	}	1996	}
1324		1997
1325	# and all this just because we cannot iterate over	1998	sub decay_objects {
1326	# all maps in C++...
1327	sub change_all_map_light {
1328	my ($change) = @_;	1999	my ($self) = @_;
1329		2000
1330	$_->change_map_light ($change)	2001	return if $self->{deny_reset};
1331	for grep $_->outdoor, values %cf::MAP;	2002
		2003	$self->do_decay_objects;
1332	}	2004	}
1333		2005
1334	sub unlink_save {	2006	sub unlink_save {
1335	my ($self) = @_;	2007	my ($self) = @_;
1336		2008
…		…
1341		2013
1342	sub load_header_from($) {	2014	sub load_header_from($) {
1343	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1344		2016
1345	utf8::encode $path;	2017	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1351		2026
1352	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1353		2028
1354	1	2029	1
1355	}	2030	}
…		…
1394	$self->load_header_orig	2069	$self->load_header_orig
1395	or return;	2070	or return;
1396	$self->prepare_orig;	2071	$self->prepare_orig;
1397	}	2072	}
1398		2073
		2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
		2076
		2077	$self->default_region (cf::region::find_by_path $self->{path})
		2078	unless $self->default_region;
		2079
1399	1	2080	1
1400	}	2081	}
1401		2082
1402	sub find;	2083	sub find;
1403	sub find {	2084	sub find {
1404	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1405		2086
		2087	cf::cede_to_tick;
		2088
1406	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1407		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1409		2093
1410	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";
1412	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1413	or return;	2096	or return;
1414		2097
1415	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1416		2099
1417	$map->load_header	2100	$map->load_header
1418	or return;	2101	or return;
1419		2102
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1423	$map->reset;	2108	$map->reset;
1424	undef $guard;
1425	return find $path;	2109	return find $path;
1426	}	2110	}
1427		2111
1428	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1429	}	2113	}
1430	}	2114	}
1431		2115
1432	sub pre_load { }	2116	sub pre_load { }
1433	sub post_load { }	2117	#sub post_load { } # XS
1434		2118
1435	sub load {	2119	sub load {
1436	my ($self) = @_;	2120	my ($self) = @_;
1437		2121
1438	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1439		2123
1440	my $path = $self->{path};	2124	my $path = $self->{path};
		2125
		2126	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1442		2128
		2129	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2131
1445	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1446		2133
1447	$self->alloc;	2134	$self->alloc;
1448		2135
1449	$self->pre_load;	2136	$self->pre_load;
		2137	cf::cede_to_tick;
1450		2138
1451	$self->_load_objects ($self->{load_path}, 1)	2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
		2141	$self->_load_objects ($f)
1452	or return;	2142	or return;
1453		2143
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1455	if delete $self->{load_original};	2145	if delete $self->{load_original};
1456		2146
1457	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2148	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2151	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1462	}	2155	}
1463	}	2156	}
1464		2157
1465	Coro::cede;	2158	$f->resolve_delayed_derefs;
1466		2159
		2160	cf::cede_to_tick;
1467	# now do the right thing for maps	2161	# now do the right thing for maps
1468	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2164	unless $self->difficulty;
1478	Coro::cede;	2165	cf::cede_to_tick;
		2166
		2167	unless ($self->{deny_activate}) {
		2168	$self->decay_objects;
		2169	$self->fix_auto_apply;
		2170	$self->update_buttons;
		2171	cf::cede_to_tick;
1479	$self->activate;	2172	$self->activate;
		2173	}
		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
		2178	$self->in_memory (cf::MAP_ACTIVE);
1480	}	2179	}
1481		2180
1482	$self->post_load;	2181	$self->post_load;
1483		2182
1484	$self->in_memory (cf::MAP_IN_MEMORY);	2183	1
1485	}	2184	}
1486		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1487	sub customise_for {	2189	sub customise_for {
1488	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1489		2191
1490	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2193	if $self->per_player;
1492		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
1493	$self	2198	$self
1494	}	2199	}
1495		2200
1496	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2202	sub load_neighbours {
1498	my ($map) = @_;	2203	my ($map) = @_;
1499		2204
1500	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1501		2206
1502	for (0 .. 3) {	2207	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1504	or next;	2209	or next;
1505	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1506	or next;	2211	or next;
1507	$neigh->load;	2212	$neigh->load;
1508		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2218	}
1512		2219
1513	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1515	or next;	2223	or next;
1516	$neigh->load;	2224	$neigh->load;
1517	}	2225	}
1518	}	2226	}
1519		2227
1520	sub find_sync {	2228	sub find_sync {
1521	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1522		2230
1523	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1524	}	2235	}
1525		2236
1526	sub do_load_sync {	2237	sub do_load_sync {
1527	my ($map) = @_;	2238	my ($map) = @_;
1528		2239
1529	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1530	}	2244	}
1531		2245
1532	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1534		2248
1535	sub find_async {	2249	sub find_async {
1536	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1537		2251
1538	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1539		2253
1540	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2256	}
1543		2257
1544	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1545	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1546	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2265	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2266	$map->load if $v;
		2267	}
1551		2268
1552	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1553	}	2270	}
1554	}	2271	}
1555	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1556	};	2273	};
1557	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1558		2275
1559	()	2276	()
1560	}	2277	}
1561		2278
		2279	# common code, used by both ->save and ->swapout
1562	sub save {	2280	sub _save {
1563	my ($self) = @_;	2281	my ($self) = @_;
1564
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
1566		2282
1567	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1568		2284
1569	return unless $self->dirty;	2285	return unless $self->dirty;
1570		2286
…		…
1576	return if $self->{deny_save};	2292	return if $self->{deny_save};
1577		2293
1578	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1579		2295
1580	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1582	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1583		2302
1584	if ($uniq) {	2303	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2306	} else {
1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1589	}	2308	}
1590	}	2309	}
1591		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1592	sub swap_out {	2319	sub swap_out {
1593	my ($self) = @_;	2320	my ($self) = @_;
1594		2321
1595	# save first because save cedes
1596	$self->save;
1597
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1600	return if $self->players;	2326	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};
1603		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1604	$self->clear;	2337	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2338	}
1607		2339
1608	sub reset_at {	2340	sub reset_at {
1609	my ($self) = @_;	2341	my ($self) = @_;
1610		2342
1611	# TODO: safety, remove and allow resettable per-player maps	2343	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2344	return 1e99 if $self->{deny_reset};
1614		2345
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2348
…		…
1628	my ($self) = @_;	2359	my ($self) = @_;
1629		2360
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2362
1632	return if $self->players;	2363	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2364
1635	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
1636		2366
1637	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
1638		2368
1639	# need to save uniques path	2369	# need to save uniques path
1640	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2374	if $uniq;
1645	}	2375	}
1646		2376
1647	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1648		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2381	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2382
1653	$self->unlink_save;	2383	$self->unlink_save;
1654	$self->destroy;	2384	$self->destroy;
1655	}	2385	}
1656		2386
1657	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1658		2388
1659	sub nuke {	2389	sub nuke {
1660	my ($self) = @_;	2390	my ($self) = @_;
1661		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
1662	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
1663		2396
1664	$self->unlink_save;	2397	$self->unlink_save;
1665		2398
1666	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
1667	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2404
1672	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
1673		2407
1674	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
		2409	}
		2410
		2411	=item $maps = cf::map::tmp_maps
		2412
		2413	Returns an arrayref with all map paths of currently instantiated and saved
		2414	maps. May block.
		2415
		2416	=cut
		2417
		2418	sub tmp_maps() {
		2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	/\.map$/
		2423	? normalise $_
		2424	: ()
		2425	} @{ aio_readdir $TMPDIR or [] }
		2426	]
		2427	}
		2428
		2429	=item $maps = cf::map::random_maps
		2430
		2431	Returns an arrayref with all map paths of currently instantiated and saved
		2432	random maps. May block.
		2433
		2434	=cut
		2435
		2436	sub random_maps() {
		2437	[
		2438	map {
		2439	utf8::decode $_;
		2440	/\.map$/
		2441	? normalise "?random/$_"
		2442	: ()
		2443	} @{ aio_readdir $RANDOMDIR or [] }
		2444	]
1675	}	2445	}
1676		2446
1677	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1678		2448
1679	Returns an arrayref of paths of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2450	instantiated unique items. May block.
1681		2451
1682	=cut	2452	=cut
1683		2453
1684	sub unique_maps() {	2454	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2455	[
1686	or return;	2456	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2457	utf8::decode $_;
1692	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2460	? ()
1695	push @paths, cf::map::normalise $_;	2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2463	]
1697
1698	\@paths
1699	}	2464	}
1700		2465
1701	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
1702		2497
1703	=back	2498	=back
1704		2499
1705	=head3 cf::object	2500	=head3 cf::object
1706		2501
…		…
1710		2505
1711	=over 4	2506	=over 4
1712		2507
1713	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1714		2509
1715	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
1716		2512
1717	=cut	2513	=cut
1718		2514
1719	sub inv_recursive_;	2515	sub inv_recursive_;
1720	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1723		2519
1724	sub inv_recursive {	2520	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1726	}	2522	}
1727		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
1728	package cf;	2552	package cf;
1729		2553
1730	=back	2554	=back
1731		2555
1732	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1738	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1739	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
1740	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1741		2565
1742	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
1743		2581
1744	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2583	# with dialog boxes.
1746	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
1747	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1749		2587
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2589
1752	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1754	} else {	2593	} else {
		2594	my $pl = $self->contr;
		2595
		2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2597	my $dialog = $pl->{npc_dialog};
		2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2599
		2600	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1757	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
1758	}	2615	}
1759		2616
1760	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1761		2618
1762	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1775		2632
1776	=item $player_object->enter_link	2633	=item $player_object->enter_link
1777		2634
1778	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
1779		2636
1780	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
1781	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
1782		2641
1783	Will never block.	2642	Will never block.
1784		2643
1785	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1786		2645
…		…
1806	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1807	my ($self) = @_;	2666	my ($self) = @_;
1808		2667
1809	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1810		2669
		2670	++$self->{_link_recursion};
		2671
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2673
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2675	if $self->map && $self->map->{path} ne "{link}";
1815		2676
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1817	}	2678	}
1818		2679
1819	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
		2682
		2683	return unless $self->contr->active;
1821		2684
1822	my $link_pos = delete $self->{_link_pos};	2685	my $link_pos = delete $self->{_link_pos};
1823		2686
1824	unless ($map) {	2687	unless ($map) {
1825	# restore original map position	2688	# restore original map position
…		…
1836	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1837	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1838		2701
1839	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1842		2705
1843	$map->load;	2706	$map->load;
1844	$map->load_diag;	2707	$map->load_neighbours;
1845		2708
1846	return unless $self->contr->active;	2709	return unless $self->contr->active;
1847	$self->activate_recursive;
1848		2710
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
1851	}	2713	# entering was successful
1852		2714	delete $self->{_link_recursion};
1853	cf::player->attach (	2715	# only activate afterwards, to support waiting in hooks
1854	on_logout => sub {	2716	$self->activate_recursive;
1855	my ($pl) = @_;
1856
1857	# abort map switching before logout
1858	if ($pl->ob->{_link_pos}) {
1859	cf::sync_job {
1860	$pl->ob->leave_link
1861	};
1862	}
1863	},	2717	}
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2718
1867	# try to abort aborted map switching on player login :)	2719	}
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2720
1885	=item $player_object->goto ($path, $x, $y)	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1886		2722
		2723	Moves the player to the given map-path and coordinates by first freezing
		2724	her, loading and preparing them map, calling the provided $check callback
		2725	that has to return the map if sucecssful, and then unfreezes the player on
		2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
		2731
1887	=cut	2732	=cut
		2733
		2734	our $GOTOGEN;
1888		2735
1889	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
		2744
		2745	# do generation counting so two concurrent goto's will be executed in-order
		2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2747
1892	$self->enter_link;	2748	$self->enter_link;
1893		2749
1894	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
1895	my $map = eval {	2772	my $map = eval {
1896	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
		2774
		2775	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2776	$map = $map->customise_for ($self);
		2777	$map = $check->($map, $x, $y, $self) if $check && $map;
		2778	} else {
		2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2780	}
		2781
1898	$map	2782	$map
		2783	};
		2784
		2785	if ($@) {
		2786	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2788	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2789
		2790	if ($gen == $self->{_goto_generation}) {
		2791	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
		2793	}
		2794
		2795	$done->($self) if $done;
1903	})->prio (1);	2796	})->prio (1);
1904	}	2797	}
1905		2798
1906	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1907		2800
…		…
1927	}	2820	}
1928		2821
1929	sub prepare_random_map {	2822	sub prepare_random_map {
1930	my ($exit) = @_;	2823	my ($exit) = @_;
1931		2824
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2827	# that depends on the exit object
1937		2828
1938	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2831	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
1945	}	2838	}
1946		2839
1947	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
1948		2841
1949	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
1952		2845
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2848	undef $fh;
1956	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
1957		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
1960	}	2857	}
1961	}	2858	}
1962		2859
1963	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
1965		2862
1966	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
1967		2864
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2865	$self->enter_link;
1978		2866
1979	(async {	2867	(async {
1980	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
1981	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
1982	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
1983		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
1984	1;	2891	1
1985	}) {	2892	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
1987	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2897
1991	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
1992	$self->leave_link;	2899	$self->leave_link;
1993	}	2900	}
1994	})->prio (1);	2901	})->prio (1);
1995	}	2902	}
1996		2903
…		…
2010		2917
2011	utf8::encode $text;	2918	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2920	}
2014		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
		2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2948
		2949	Send a drawinfo or msg packet to the client, formatting the msg for the
		2950	client if neccessary. C<$type> should be a string identifying the type of
		2951	the message, with C<log> being the default. If C<$color> is negative, suppress
		2952	the message unless the client supports the msg packet.
		2953
		2954	=cut
		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
		3070	sub cf::client::send_msg {
		3071	my ($self, $channel, $msg, $color, @extra) = @_;
		3072
		3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
2015	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2016		3110
2017	Sends an exti event to the client.	3111	Sends an ext event to the client.
2018		3112
2019	=cut	3113	=cut
2020		3114
2021	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2023		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
2026	}	3142	}
2027		3143
2028	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2029		3145
2030	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3147	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3148	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		3149
2034	Queries can fail, so check the return code. Or don't, as queries will become	3150	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	3151	become reliable at some point in the future.
2036		3152
2037	=cut	3153	=cut
2038		3154
2039	sub cf::client::query {	3155	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	3164	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		3166
2051	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
2053	}	3171	}
2054		3172
2055	cf::client->attach (	3173	cf::client->attach (
		3174	on_connect => sub {
		3175	my ($ns) = @_;
		3176
		3177	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3178	},
2056	on_reply => sub {	3179	on_reply => sub {
2057	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
2058		3181
2059	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
2060	# get handled first	3183	# get handled first
…		…
2072	} else {	3195	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	3197	}
2075	}	3198	}
2076	},	3199	},
		3200	on_exticmd => sub {
		3201	my ($ns, $buf) = @_;
		3202
		3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3204
		3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
		3213	if (my $cb = $EXTICMD{$type}) {
		3214	@reply = $cb->($ns, @payload);
		3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
		3220	} else {
		3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3222	}
		3223
		3224	cf::override;
		3225	},
2077	);	3226	);
2078		3227
2079	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
2080		3229
2081	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
2097		3246
2098	$coro	3247	$coro
2099	}	3248	}
2100		3249
2101	cf::client->attach (	3250	cf::client->attach (
2102	on_destroy => sub {	3251	on_client_destroy => sub {
2103	my ($ns) = @_;	3252	my ($ns) = @_;
2104		3253
2105	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2106	},	3255	},
2107	);	3256	);
…		…
2122	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2124		3273
2125	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2126		3275
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2128		3281
2129	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2130		3283
2131	=pod	3284	=pod
2132		3285
2133	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2134		3287
2135	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2136	cf::object::player player	3293	cf::object::player
2137	cf::player peaceful	3294	player
2138	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2139		3301
2140	=cut	3302	=cut
2141		3303
2142	for (	3304	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2144	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2146	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2147	) {	3311	) {
2148	no strict 'refs';
2149	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2150	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2151	for @funs;	3314	for @funs;
2152	}	3315	}
2153		3316
…		…
2168		3331
2169	my $qcode = $code;	3332	my $qcode = $code;
2170	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2171	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2172		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2173	local $_;	3339	local $_;
2174	local @safe::cf::_safe_eval_args = values %vars;
2175		3340
2176	my $eval =	3341	my $eval =
2177	"do {\n"	3342	"do {\n"
2178	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2179	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2180	. $code	3345	. $code
2181	. "\n}"	3346	. "\n}"
2182	;	3347	;
2183		3348
		3349	if ($CFG{safe_eval}) {
2184	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2185	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2186	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2187		3358
2188	if ($@) {	3359	if ($@) {
2189	warn "$@";	3360	warn "$@",
2190	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2191	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2192	}	3363	}
2193		3364
2194	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2195	}	3366	}
2196		3367
…		…
2210	=cut	3381	=cut
2211		3382
2212	sub register_script_function {	3383	sub register_script_function {
2213	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2214		3385
2215	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2216	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2217	}	3388	}
2218		3389
2219	=back	3390	=back
2220		3391
2221	=cut	3392	=cut
2222
2223	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294		3393
2295	#############################################################################	3394	#############################################################################
2296	# the server's init and main functions	3395	# the server's init and main functions
2297		3396
2298	sub load_facedata {	3397	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3398	my ($path) = @_;
2300		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2301	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2302		3407
2303	my $faces;
2304	0 < aio_load $path, $faces	3408	0 < aio_load $path, my $facedata
2305	or die "$path: $!";	3409	or die "$path: $!";
2306		3410
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3411	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3412
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3413	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
		3425	{
		3426	my $faces = $facedata->{faceinfo};
		3427
2315	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3430
		3431	cf::face::set_visibility $idx, $info->{visibility};
		3432	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2320	Coro::cede;
2321	}
2322		3435
		3436	cf::cede_to_tick;
		3437	}
		3438
2323	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2325	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
		3443	or next;
		3444
		3445	if (my $smooth = cf::face::find $info->{smooth}) {
		3446	cf::face::set_smooth $idx, $smooth;
		3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3448	} else {
		3449	error "smooth face '$info->{smooth}' not found for face '$face'";
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	{
		3457	my $anims = $facedata->{animinfo};
		3458
		3459	while (my ($anim, $info) = each %$anims) {
		3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3461	cf::cede_to_tick;
		3462	}
		3463
		3464	cf::anim::invalidate_all; # d'oh
		3465	}
		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
		3486	1
		3487	}
		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
		3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	load_resource_file "$MAPDIR/regions"
		3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
		3519	}
		3520
		3521	sub reload_facedata {
		3522	load_facedata "$DATADIR/facedata"
		3523	or die "unable to load facedata\n";
		3524	}
		3525
		3526	sub reload_archetypes {
		3527	load_resource_file "$DATADIR/archetypes"
		3528	or die "unable to load archetypes\n";
		3529	}
		3530
		3531	sub reload_treasures {
		3532	load_resource_file "$DATADIR/treasures"
		3533	or die "unable to load treasurelists\n";
		3534	}
		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
2326	or next;	3546	or next;
2327	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;
2329	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}
2332	Coro::cede;
2333	}
2334		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2335	1	3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
2336	}	3557	}
2337		3558
2338	sub reload_resources {	3559	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3560	trace "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3561
		3562	reload_exp_table;
		3563	reload_materials;
2341	load_facedata	3564	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3565	reload_sound;
2343	}	3566	reload_archetypes;
2344
2345	sub init {
2346	reload_resources;	3567	reload_regions;
2347	}	3568	reload_treasures;
2348		3569
2349	sub cfg_load {	3570	trace "finished reloading resource files\n";
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3571	}
2351	or return;
2352		3572
2353	local $/;	3573	sub reload_config {
2354	*CFG = YAML::Syck::Load <$fh>;	3574	trace "reloading config file...\n";
2355		3575
		3576	0 < aio_load "$CONFDIR/config", my $config
		3577	or die "$CONFDIR/config: $!";
		3578
		3579	utf8::decode $config;
		3580	*CFG = yaml_load $config;
		3581
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2357		3583
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2360		3586
2361	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2365	};	3591	};
2366	warn $@ if $@;	3592	warn $@ if $@;
2367	}	3593	}
2368	}	3594	}
2369		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2370	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2371	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3637	(async {
2375	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2377	};	3641	};
2378		3642
2379	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2380	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2381	load_extensions;	3666	load_extensions;
2382		3667
2383	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2384	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2385	}	3686	}
2386		3687
2387	#############################################################################	3688	#############################################################################
2388	# initialisation and cleanup	3689	# initialisation and cleanup
2389		3690
2390	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2391	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2400	},
2401	);	3697	};
		3698	}
		3699	}
		3700
		3701	sub write_runtime_sync {
		3702	my $t0 = AE::time;
		3703
		3704	# first touch the runtime file to show we are still running:
		3705	# the fsync below can take a very very long time.
		3706
		3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3708
		3709	my $guard = cf::lock_acquire "write_runtime";
		3710
		3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3712	or return;
		3713
		3714	my $value = $cf::RUNTIME + 90 + 10;
		3715	# 10 is the runtime save interval, for a monotonic clock
		3716	# 60 allows for the watchdog to kill the server.
		3717
		3718	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3719	and return;
		3720
		3721	# always fsync - this file is important
		3722	aio_fsync $fh
		3723	and return;
		3724
		3725	# touch it again to show we are up-to-date
		3726	aio_utime $fh, undef, undef;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3732	and return;
		3733
		3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3735
2402	}	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2403	}	3787	}
2404		3788
2405	sub emergency_save() {	3789	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2407		3791
2408	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2409		3798
2410	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2411	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2412	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2413	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2415	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3810	$pl->save;
2419	}	3811	}
2420	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2421		3813
2422	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2423	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2424	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2425	$map->valid or next;	3819	$map->valid or next;
2426	$map->save;	3820	$map->save;
2427	}	3821	}
2428	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2429		3823
2430	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2433	};	3852	};
2434		3853
2435	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2436	}	3855	}
2437		3856
2438	sub post_cleanup {	3857	sub post_cleanup {
2439	my ($make_core) = @_;	3858	my ($make_core) = @_;
2440		3859
		3860	IO::AIO::flush;
		3861
2441	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3863	if $make_core;
2443	}
2444		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
		3892	}
		3893
2445	sub reload() {	3894	sub do_reload_perl() {
2446	# can/must only be called in main	3895	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2448	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2449	return;	3898	return;
2450	}	3899	}
2451		3900
2452	warn "reloading...";	3901	return if $RELOAD++;
2453		3902
2454	warn "entering sync_job";	3903	my $t1 = AE::time;
2455		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
2456	cf::sync_job {	3911	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark
2458	cf::emergency_save;	3912	#cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark
2460		3913
2461	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;
2463
2464	# if anything goes wrong in here, we should simply crash as we already saved
2465
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;
2477	warn "iterate...";
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();	3916	%EXT_CORO = ();
2485		3917
2486	warn "removing commands";	3918	trace "perl_reload: removing commands";
2487	%COMMAND = ();	3919	%COMMAND = ();
2488		3920
2489	warn "removing ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2490	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2491		3924
2492	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2495		3928
2496	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2497	eval {	3930	eval {
2498	$cb->($pkg);	3931	$cb->($pkg);
2499	1	3932	1
2500	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2501	}	3938	}
2502		3939
2503	warn "... nuking $pkg";
2504	Symbol::delete_package $pkg;
2505	}
2506
2507	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2508	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		3943
2511	warn "... unloading $k";	3944	trace "... unloading $k";
2512	delete $INC{$k};	3945	delete $INC{$k};
2513		3946
2514	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2516		3949
2517	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2518	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2519	}	3955	}
2520		3956
2521	Symbol::delete_package $k;
2522	}
2523
2524	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3960
2528	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
		3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2530		3964
2531	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3966	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2534		3968
2535	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
2536		3970
2537	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
2538	require cf;	3972	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2540		3974
2541	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
2542	cf::cfg_load;	3976	cf::reload_config;
2543		3977
2544	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
2545	cf::load_extensions;	3979	cf::load_extensions;
2546		3980
		3981	if ($REATTACH_ON_RELOAD) {
2547	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
2553		3989
2554	warn "loading reloadable resources";	3990	cf::_post_init 1;
2555	reload_resources;
2556		3991
2557	warn "leaving sync_job";	3992	trace "perl_reload: leaving sync_job";
2558		3993
2559	1	3994	1
2560	} or do {	3995	} or do {
2561	warn $@;	3996	error $@;
2562	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
2563	exit 1;	3998	};
		3999
		4000	--$RELOAD;
		4001	}
		4002
		4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
		4005	};
		4006
		4007	our $RELOAD_WATCHER; # used only during reload
		4008
		4009	sub reload_perl() {
		4010	# doing reload synchronously and two reloads happen back-to-back,
		4011	# coro crashes during coro_state_free->destroy here.
		4012
		4013	$RELOAD_WATCHER ||= cf::async {
		4014	Coro::AIO::aio_wait cache_extensions;
		4015
		4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4017	do_reload_perl;
		4018	undef $RELOAD_WATCHER;
		4019	};
2564	};	4020	};
2565		4021	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		4022
2571	register_command "reload" => sub {	4023	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2573		4025
2574	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
2576		4028	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	4029	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	4030	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	4031	};
2589	}	4032	}
2590	};	4033	};
2591		4034
2592	unshift @INC, $LIBDIR;	4035	#############################################################################
2593		4036
2594	my $bug_warning = 0;	4037	my $bug_warning = 0;
2595		4038
2596	$TICK_WATCHER = Event->timer (	4039	our @WAIT_FOR_TICK;
2597	reentrant => 0,	4040	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	4041
2599	prio => 0,	4042	sub wait_for_tick() {
2600	at => $NEXT_TICK || $TICK,	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	4044
2602	cb => sub {	4045	my $signal = new Coro::Signal;
		4046	push @WAIT_FOR_TICK, $signal;
		4047	$signal->wait;
		4048	}
		4049
		4050	sub wait_for_tick_begin() {
		4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4052
		4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK_BEGIN, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub tick {
2603	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
2606	return;	4062	return;
2607	}	4063	}
2608		4064
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		4066
		4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4068
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	4071	Coro::async_pool {
		4072	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	4073	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	4074	or error "ERROR: unable to write runtime file: $!";
2620	};
2621	}	4075	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	4076	}
2635	);	4077
		4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4079	$sig->send;
		4080	}
		4081	while (my $sig = shift @WAIT_FOR_TICK) {
		4082	$sig->send;
		4083	}
		4084
		4085	$LOAD = ($NOW - $TICK_START) / $TICK;
		4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4087
		4088	if (0) {
		4089	if ($NEXT_TICK) {
		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
		4094	}
		4095	}
2636		4096
2637	{	4097	{
2638	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	4099
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
2648		4101	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		4103
2664	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		4111
2667	cf::sync_job {	4112	cf::sync_job {
2668	eval {	4113	eval {
2669	BDB::db_env_open	4114	BDB::db_env_open
2670	$DB_ENV,	4115	$DB_ENV,
2671	$BDB_ENV_DIR,	4116	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	4119	0666;
2675		4120
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	4122	};
2681		4123
2682	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	4125	};
2684	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
2685	}	4137	}
2686		4138
2687	{	4139	{
		4140	# configure IO::AIO
		4141
2688	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	4145	}
		4146
		4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
		4149
		4150	sub _log_backtrace {
		4151	my ($msg, @addr) = @_;
		4152
		4153	$msg =~ s/\n$//;
		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4158	# limit the # of concurrent backtraces
		4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
		4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
		4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
		4166	my @bt = fork_call {
		4167	@addr = map { sprintf "%x", $_ } @addr;
		4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4170	or die "addr2line: $!";
		4171
		4172	my @funcs;
		4173	my @res = <$fh>;
		4174	chomp for @res;
		4175	while (@res) {
		4176	my ($func, $line) = splice @res, 0, 2, ();
		4177	push @funcs, "[$func] $line";
		4178	}
		4179
		4180	@funcs
		4181	};
		4182
		4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4185	LOG llevInfo, "[ABT] $_\n" for @bt;
		4186	--$_log_backtrace;
		4187	};
		4188	} else {
		4189	LOG llevInfo, "[ABT] $msg\n";
		4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4191	}
		4192	}
		4193
		4194	# load additional modules
		4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
2701		4197
2702	END { cf::emergency_save }	4198	END { cf::emergency_save }
2703		4199
2704	1	4200	1
2705		4201

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