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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	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;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
60		118
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	121	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
71		130
72	our %CFG;	131	our %CFG;
73		132
74	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
76		136
77	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		140
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REALLY_UNLOOP; # never set to true, please :)
		153
86	binmode STDOUT;	154	binmode STDOUT;
87	binmode STDERR;	155	binmode STDERR;
88		156
89	# read virtual server time, if available	157	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
94	}	162	}
95		163
96	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	165
98	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		168
103	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
104		170
105	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::"} };
106		187
107	#############################################################################	188	#############################################################################
108		189
109	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
110		191
…		…
117	=item $cf::RUNTIME	198	=item $cf::RUNTIME
118		199
119	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
120	every server tick.	201	every server tick.
121		202
122	=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
123		206
124	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		211
127	=item $cf::NOW	212	=item $cf::NOW
128		213
129	The time of the last (current) server tick.	214	The time of the last (current) server tick.
130		215
131	=item $cf::TICK	216	=item $cf::TICK
132		217
133	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	230	=item %cf::CFG
136		231
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	233	from wherever your confdir points to.
139		234
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		236
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		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		270
154	$msg .= "\n"	271	$msg .= "\n"
155	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
156		273
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		275
159	utf8::encode $msg;
160	LOG llevError, $msg;	276	LOG llevWarn, $msg;
161	};	277	};
162	}	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	};
163		292
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		300
171	# 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
172	# within the Safe compartment.	302	# within the Safe compartment.
173	for my $pkg (qw(	303	for my $pkg (qw(
174	cf::global cf::attachable	304	cf::global cf::attachable
175	cf::object cf::object::player	305	cf::object cf::object::player
176	cf::client cf::player	306	cf::client cf::player
177	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
178	cf::map cf::party cf::region	309	cf::party cf::region
179	)) {	310	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	312	}
183		313
184	$Event::DIED = sub {	314	$EV::DIED = sub {
185	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
186	};	316	};
		317
		318	#############################################################################
187		319
188	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
189		321
190	=over 4	322	=over 4
191		323
…		…
210	$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;
211	$d	343	$d
212	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
213	}	345	}
214		346
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
218		348
219	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
220		350
221	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
222		352
223	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
224		354
		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
225	=item cf::lock_wait $string	405	=item cf::lock_wait $string
226		406
227	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
228		408
229	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
230		410
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
234	returned.	414	returned.
235		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
236	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
237	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
238		421
239	=cut	422	=item $locked = cf::lock_active $string
240		423
241	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
242		429
243	sub lock_wait($) {	430	sub lock_wait($) {
244	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	432	}
252		433
253	sub lock_acquire($) {	434	sub lock_acquire($) {
254	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
255		437
256	# wait, to be sure we are not locked	438	sub lock_active($) {
257	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	440	}
266		441
267	sub freeze_mainloop {	442	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
269		444
270	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
272	};	512	}
273	$TICK_WATCHER->stop;	513	};
274	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
275	}	528	}
276		529
277	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
278		531
279	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		537
285	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
286		539
287	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
288		541
289	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
292		546
293	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
296	fast or be very important.	550	fast or be very important.
…		…
298	=cut	552	=cut
299		553
300	sub sync_job(&) {	554	sub sync_job(&) {
301	my ($job) = @_;	555	my ($job) = @_;
302		556
303	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
304	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
306		562
307	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	564
309	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
310		566
311	my $busy = 1;	567	my $busy = 1;
312	my @res;	568	my @res;
313		569
314	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	572	@res = eval { $job->() };
316	warn $@ if $@;	573	error $@ if $@;
317	undef $busy;	574	undef $busy;
318	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
319		576
320	while ($busy) {	577	while ($busy) {
321	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
322	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
323		588
324	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
325	} else {	590	} else {
326	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
327		592
…		…
347	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
348		613
349	$coro	614	$coro
350	}	615	}
351		616
352	sub write_runtime {	617	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		618
355	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.
356		623
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
358	or return;
359		625
360	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
362	# 60 allows for the watchdog to kill the server.	628	}
363		629
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
365	and return;	631	my ($cb, @args) = @_;
366		632
367	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
369	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
370		636
371	close $fh	637	my @res = Coro::Util::fork_eval {
372	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
373		641
374	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
375	and return;	643	}
376		644
		645	sub objinfo {
377	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"
378	}	810	}
379		811
380	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
381		813
382	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.
383		815
384	=cut	816	=cut
385		817
386	sub datalog($@) {	818	sub datalog($@) {
387	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	821	}
390		822
391	=back	823	=back
392		824
393	=cut	825	=cut
394		826
395	#############################################################################	827	#############################################################################
396		828
397	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
398		830
399	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
400	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")
401	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
402		834
403	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>
404	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
405	crossfire+).	837	Deliantra).
406		838
407	=over 4	839	=over 4
408		840
409	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
410		842
…		…
454	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
455		887
456	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
458		890
459	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		893
462	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
463		895
464	=over 4	896	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
574		1006
575	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1011
580	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
582		1014
583	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
588		1020
589	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1023
592	} elsif (ref $type) {	1024	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
594		1026
595	} else {	1027	} else {
596	shift @arg;	1028	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
598	}	1030	}
599	}	1031	}
600	}	1032	}
601		1033
602	sub _object_attach {	1034	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
613	}	1045	}
614		1046
615	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
616	} else {	1048	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1050	}
619		1051
620	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
621	}	1053	}
622		1054
…		…
624	if (ref $_[0]) {	1056	if (ref $_[0]) {
625	_object_attach @_;	1057	_object_attach @_;
626	} else {	1058	} else {
627	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
628	}	1060	}
		1061	_recalc_want;
629	};	1062	};
630		1063
631	# all those should be optimised	1064	# all those should be optimised
632	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1070	reattach ($obj);
638	} else {	1071	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
640	}	1073	}
		1074	_recalc_want;
641	};	1075	};
642		1076
643	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
645		1079
…		…
660	";	1094	";
661	die if $@;	1095	die if $@;
662	}	1096	}
663		1097
664	our $override;	1098	our $override;
665	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?
666		1100
667	sub override {	1101	sub override {
668	$override = 1;	1102	$override = 1;
669	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
670	}	1104	}
671		1105
672	sub do_invoke {	1106	sub do_invoke {
673	my $event = shift;	1107	my $event = shift;
674	my $callbacks = shift;	1108	my $callbacks = shift;
675		1109
676	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
677		1111
678	local $override;	1112	local $override;
679		1113
680	for (@$callbacks) {	1114	for (@$callbacks) {
681	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
682		1116
683	if ($@) {	1117	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1119	override;
687	}	1120	}
688		1121
689	return 1 if $override;	1122	return 1 if $override;
690	}	1123	}
691		1124
692	0	1125	0
693	}	1126	}
694		1127
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1129
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1131
699	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
700		1133
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1137
705	=back	1138	=back
706		1139
707	=cut	1140	=cut
708		1141
709	#############################################################################	1142	#############################################################################
710	# 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, $ob2
		1185	}
711		1186
712	sub reattach {	1187	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1189	my ($obj) = @_;
715		1190
		1191	# no longer needed after getting rid of delete_package?
716	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
717		1193
718	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
719		1195
720	@$registry = ();	1196	@$registry = ();
721		1197
…		…
726	for (@$attach) {	1202	for (@$attach) {
727	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
729	}	1205	}
730	} else {	1206	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1208	}
733	}	1209	}
734	}	1210	}
735		1211
736	cf::attachable->attach (	1212	cf::attachable->attach (
737	prio => -1000000,	1213	prio => -1000000,
738	on_instantiate => sub {	1214	on_instantiate => sub {
739	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
740		1216
741	$data = from_json $data;	1217	$data = decode_json $data;
742		1218
743	for (@$data) {	1219	for (@$data) {
744	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
745		1221
746	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1238	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
764		1240
765	sync_job {	1241	sync_job {
766	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
769		1247
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1255	aio_close $fh;
775		1256
776	if (@$objs) {	1257	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1266	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
784	}	1268	}
785	} else {	1269	} else {
786	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
787	}	1271	}
788		1272
789	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1277	} else {
791	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
792	}	1279	}
793	} else {	1280	} else {
794	aio_unlink $filename;	1281	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
796	}	1283	}
797	}	1284	};
798	}	1285	}
799		1286
800	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
802		1289
…		…
814	or return;	1301	or return;
815		1302
816	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
818	or return;	1305	or return;
		1306
819	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
820	}	1309	}
821		1310
		1311	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
824	return ($data, $av);	1316	($data, $av)
825	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
826		1324
827	#############################################################################	1325	#############################################################################
828	# command handling &c	1326	# command handling &c
829		1327
830	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1342	}
845		1343
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1345
848	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.
849		1351
850	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
851	called.	1353	called.
852		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
853	=cut	1366	=cut
854		1367
855	sub register_extcmd {	1368	sub register_extcmd {
856	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
857		1370
858	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
859	}	1372	}
860		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
861	cf::player->attach (	1382	cf::player->attach (
862	on_command => sub {	1383	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
864		1385
865	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
866	or return;	1387	or return;
867		1388
…		…
872	cf::override;	1393	cf::override;
873	},	1394	},
874	on_extcmd => sub {	1395	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
876		1397
877	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1399
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
885	} else {	1415	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1417	}
888		1418
889	cf::override;	1419	cf::override;
890	},	1420	},
891	);	1421	);
892		1422
		1423	# "readahead" all extensions
893	sub load_extension {	1424	sub cache_extensions {
894	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
895		1426
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1430	}
921	die $@;
922	}	1431	};
923		1432
924	push @EXTS, $pkg;	1433	$grp
925	}	1434	}
926		1435
927	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
928	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1443	next unless -r $path;
930	eval {	1444
931	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 $active;
		1507	}
932	1	1508	}
933	} or warn "$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	}
934	}	1519	};
935	}	1520	}
936		1521
937	#############################################################################	1522	#############################################################################
938		1523
		1524	=back
		1525
939	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
940		1527
941	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
942		1529
943	=cut	1530	=cut
944		1531
945	package cf::player;	1532	package cf::player;
946		1533
…		…
948		1535
949	=head3 cf::player	1536	=head3 cf::player
950		1537
951	=over 4	1538	=over 4
952		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
953	=item cf::player::find $login	1554	=item cf::player::find $login
954		1555
955	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
956		1557
957	=cut	1558	=cut
958		1559
959	sub playerdir($) {	1560	sub playerdir($) {
960	cf::localdir	1561	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1563	}
966		1564
967	sub path($) {	1565	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1576
979	sub exists($) {	1577	sub exists($) {
980	my ($login) = @_;	1578	my ($login) = @_;
981		1579
982	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
984	}	1582	}
985		1583
986	sub find($) {	1584	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1586	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
999		1597
1000	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1003	}	1607	}
1004	}	1608	}
1005	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1006		1623
1007	sub save($) {	1624	sub save($) {
1008	my ($pl) = @_;	1625	my ($pl) = @_;
1009		1626
1010	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1016		1633
1017	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1019		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
1020	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1021	Coro::cede;	1643	cf::cede_to_tick;
1022	}	1644	}
1023		1645
1024	sub new($) {	1646	sub new($) {
1025	my ($login) = @_;	1647	my ($login) = @_;
1026		1648
…		…
1032	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1033		1655
1034	$self	1656	$self
1035	}	1657	}
1036		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
1037	=item $pl->quit_character	1669	=item $pl->quit_character
1038		1670
1039	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1041		1673
…		…
1045	my ($pl) = @_;	1677	my ($pl) = @_;
1046		1678
1047	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1048		1680
1049	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1050	$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
1051		1683
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1055	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1056		1692
1057	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1089		1725
1090	=cut	1726	=cut
1091		1727
1092	sub list_logins {	1728	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1730	or return [];
1095		1731
1096	my @logins;	1732	my @logins;
1097		1733
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1102		1744
1103	utf8::decode $login;	1745	utf8::decode $login;
1104	push @logins, $login;	1746	push @logins, $login;
1105	}	1747	}
1106		1748
1107	\@logins	1749	\@logins
1108	}	1750	}
1109		1751
1110	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1111		1755
1112	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1113	player. May block.	1757	player. May block.
1114		1758
1115	=cut	1759	=cut
…		…
1133	}	1777	}
1134		1778
1135	\@paths	1779	\@paths
1136	}	1780	}
1137		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1138	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1139		1787
1140	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1141		1789
1142	=cut	1790	=cut
1143		1791
1144	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1146		1794
1147	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1796	}
1151		1797
1152	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1153		1799
1154	Sends an ext event to the client.	1800	Sends an ext event to the client.
1155		1801
1156	=cut	1802	=cut
1157		1803
1158	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1160		1806
1161	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1162	}	1808	}
1163		1809
1164	=head3 cf::region	1810	=head3 cf::region
1165		1811
1166	=over 4	1812	=over 4
…		…
1169		1815
1170	package cf::region;	1816	package cf::region;
1171		1817
1172	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1173		1819
1174	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1175		1821
1176	=cut	1822	=cut
1177		1823
1178	sub find_by_path($) {	1824	sub find_by_path($) {
1179	my ($path) = @_;	1825	my ($path) = @_;
1180		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1181	my ($match, $specificity);	1829	my ($match, $specificity);
1182		1830
1183	for my $region (list) {	1831	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1187	}	1835	}
1188	}	1836	}
1189		1837
…		…
1210	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1212		1860
1213	sub generate_random_map {	1861	sub generate_random_map {
1214	my ($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
1215	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1867	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1228	)	1870	)
1229	}	1871	}
1230		1872
1231	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1232		1874
…		…
1238		1880
1239	sub register {	1881	sub register {
1240	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1883	my $pkg = caller;
1242		1884
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1886
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1888	}
1248		1889
1249	# also paths starting with '/'	1890	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1892
1252	sub thawer_merge {	1893	sub thawer_merge {
1253	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1254		1895
1255	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
1256	local $self->{path};	1897	local $self->{path};
1257	local $self->{load_path};	1898	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1899
1261	$self->SUPER::thawer_merge ($merge);	1900	$self->SUPER::thawer_merge ($merge);
1262	}	1901	}
1263		1902
1264	sub normalise {	1903	sub normalise {
1265	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1266		1905
1267	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1268		1907
1269	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1270		1909
1271	# map plan:	1910	# map plan:
1272	#	1911	#
…		…
1287	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	1927	$path = "$base/$path";
1289	}	1928	}
1290		1929
1291	for ($path) {	1930	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1295	}	1933	}
1296		1934
1297	$path	1935	$path
…		…
1311	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1312	return $self;	1950	return $self;
1313	}	1951	}
1314	}	1952	}
1315		1953
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	1955	()
1318	}	1956	}
1319		1957
1320	sub init {	1958	sub init {
1321	my ($self) = @_;	1959	my ($self) = @_;
…		…
1336		1974
1337	# the original (read-only) location	1975	# the original (read-only) location
1338	sub load_path {	1976	sub load_path {
1339	my ($self) = @_;	1977	my ($self) = @_;
1340		1978
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1979	"$MAPDIR/$self->{path}.map"
1342	}	1980	}
1343		1981
1344	# the temporary/swap location	1982	# the temporary/swap location
1345	sub save_path {	1983	sub save_path {
1346	my ($self) = @_;	1984	my ($self) = @_;
1347		1985
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1987	"$TMPDIR/$path.map"
1350	}	1988	}
1351		1989
1352	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1353	sub uniq_path {	1991	sub uniq_path {
1354	my ($self) = @_;	1992	my ($self) = @_;
1355		1993
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1995	"$UNIQUEDIR/$path"
1358	}	1996	}
1359		1997
1360	# and all this just because we cannot iterate over	1998	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1999	my ($self) = @_;
1364		2000
1365	$_->change_map_light ($change)	2001	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2002
		2003	$self->do_decay_objects;
1367	}	2004	}
1368		2005
1369	sub unlink_save {	2006	sub unlink_save {
1370	my ($self) = @_;	2007	my ($self) = @_;
1371		2008
…		…
1376		2013
1377	sub load_header_from($) {	2014	sub load_header_from($) {
1378	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1379		2016
1380	utf8::encode $path;	2017	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	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;
1386		2026
1387	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1388		2028
1389	1	2029	1
1390	}	2030	}
…		…
1429	$self->load_header_orig	2069	$self->load_header_orig
1430	or return;	2070	or return;
1431	$self->prepare_orig;	2071	$self->prepare_orig;
1432	}	2072	}
1433		2073
		2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
		2076
1434	$self->default_region (cf::region::find_by_path $self->{path})	2077	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2078	unless $self->default_region;
1436		2079
1437	1	2080	1
1438	}	2081	}
1439		2082
1440	sub find;	2083	sub find;
1441	sub find {	2084	sub find {
1442	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1443		2086
		2087	cf::cede_to_tick;
		2088
1444	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1445		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2093
1448	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1451	or return;	2096	or return;
1452		2097
1453	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1454		2099
1455	$map->load_header	2100	$map->load_header
1456	or return;	2101	or return;
1457		2102
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1461	$map->reset;	2108	$map->reset;
1462	undef $guard;
1463	return find $path;	2109	return find $path;
1464	}	2110	}
1465		2111
1466	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1467	}	2113	}
1468	}	2114	}
1469		2115
1470	sub pre_load { }	2116	sub pre_load { }
1471	sub post_load { }	2117	#sub post_load { } # XS
1472		2118
1473	sub load {	2119	sub load {
1474	my ($self) = @_;	2120	my ($self) = @_;
1475		2121
1476	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1477		2123
1478	my $path = $self->{path};	2124	my $path = $self->{path};
		2125
		2126	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1480		2128
		2129	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2131
1483	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1484		2133
1485	$self->alloc;	2134	$self->alloc;
1486		2135
1487	$self->pre_load;	2136	$self->pre_load;
1488	Coro::cede;	2137	cf::cede_to_tick;
1489		2138
1490	$self->_load_objects ($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)
1491	or return;	2142	or return;
1492		2143
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1494	if delete $self->{load_original};	2145	if delete $self->{load_original};
1495		2146
1496	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2148	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2151	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1501	}	2155	}
1502	}	2156	}
1503		2157
1504	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1505	# now do the right thing for maps	2161	# now do the right thing for maps
1506	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2164	unless $self->difficulty;
1517	Coro::cede;	2165	cf::cede_to_tick;
		2166
		2167	unless ($self->{deny_activate}) {
		2168	$self->decay_objects;
		2169	$self->fix_auto_apply;
		2170	$self->update_buttons;
		2171	cf::cede_to_tick;
1518	$self->activate;	2172	$self->activate;
1519	Coro::cede;	2173	}
		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
		2178	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2179	}
1521		2180
1522	$self->post_load;	2181	$self->post_load;
1523	Coro::cede;
1524		2182
1525	$self->in_memory (cf::MAP_IN_MEMORY);	2183	1
1526	}	2184	}
1527		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2189	sub customise_for {
1529	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1530		2191
1531	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2193	if $self->per_player;
1533		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
1534	$self	2198	$self
1535	}	2199	}
1536		2200
1537	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2202	sub load_neighbours {
1539	my ($map) = @_;	2203	my ($map) = @_;
1540		2204
1541	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1542		2206
1543	for (0 .. 3) {	2207	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1545	or next;	2209	or next;
1546	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1547	or next;	2211	or next;
1548	$neigh->load;	2212	$neigh->load;
1549		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2218	}
1553		2219
1554	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1556	or next;	2223	or next;
1557	$neigh->load;	2224	$neigh->load;
1558	}	2225	}
1559	}	2226	}
1560		2227
1561	sub find_sync {	2228	sub find_sync {
1562	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1563		2230
1564	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, $origin
1565	}	2235	}
1566		2236
1567	sub do_load_sync {	2237	sub do_load_sync {
1568	my ($map) = @_;	2238	my ($map) = @_;
1569		2239
1570	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;
1571	}	2244	}
1572		2245
1573	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1575		2248
1576	sub find_async {	2249	sub find_async {
1577	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1578		2251
1579	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1580		2253
1581	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2256	}
1584		2257
1585	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1586	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1587	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2265	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2266	$map->load if $v;
		2267	}
1592		2268
1593	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1594	}	2270	}
1595	}	2271	}
1596	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1597	};	2273	};
1598	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1599		2275
1600	()	2276	()
1601	}	2277	}
1602		2278
		2279	# common code, used by both ->save and ->swapout
1603	sub save {	2280	sub _save {
1604	my ($self) = @_;	2281	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2282
1608	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1609		2284
1610	return unless $self->dirty;	2285	return unless $self->dirty;
1611		2286
…		…
1617	return if $self->{deny_save};	2292	return if $self->{deny_save};
1618		2293
1619	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1620		2295
1621	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1623	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1624		2302
1625	if ($uniq) {	2303	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2306	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2308	}
1631	}	2309	}
1632		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1633	sub swap_out {	2319	sub swap_out {
1634	my ($self) = @_;	2320	my ($self) = @_;
1635		2321
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1641	return if $self->players;	2326	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		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
1645	$self->clear;	2337	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2338	}
1648		2339
1649	sub reset_at {	2340	sub reset_at {
1650	my ($self) = @_;	2341	my ($self) = @_;
1651		2342
1652	# TODO: safety, remove and allow resettable per-player maps	2343	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2344	return 1e99 if $self->{deny_reset};
1655		2345
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2348
…		…
1669	my ($self) = @_;	2359	my ($self) = @_;
1670		2360
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2362
1673	return if $self->players;	2363	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2364
1676	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
1677		2366
1678	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
1679		2368
1680	# need to save uniques path	2369	# need to save uniques path
1681	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2374	if $uniq;
1686	}	2375	}
1687		2376
1688	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1689		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2381	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2382
1694	$self->unlink_save;	2383	$self->unlink_save;
1695	$self->destroy;	2384	$self->destroy;
1696	}	2385	}
1697		2386
1698	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1699		2388
1700	sub nuke {	2389	sub nuke {
1701	my ($self) = @_;	2390	my ($self) = @_;
1702		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
1703	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
1704		2396
1705	$self->unlink_save;	2397	$self->unlink_save;
1706		2398
1707	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2404
1713	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
1714		2407
1715	$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	]
1716	}	2445	}
1717		2446
1718	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1719		2448
1720	Returns an arrayref of paths of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2450	instantiated unique items. May block.
1722		2451
1723	=cut	2452	=cut
1724		2453
1725	sub unique_maps() {	2454	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2455	[
1727	or return;	2456	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2457	utf8::decode $_;
1733	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2460	? ()
1736	push @paths, cf::map::normalise $_;	2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2463	]
1738
1739	\@paths
1740	}	2464	}
1741		2465
1742	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	}
1743		2497
1744	=back	2498	=back
1745		2499
1746	=head3 cf::object	2500	=head3 cf::object
1747		2501
…		…
1751		2505
1752	=over 4	2506	=over 4
1753		2507
1754	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1755		2509
1756	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.
1757		2512
1758	=cut	2513	=cut
1759		2514
1760	sub inv_recursive_;	2515	sub inv_recursive_;
1761	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1764		2519
1765	sub inv_recursive {	2520	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1767	}	2522	}
1768		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
1769	package cf;	2552	package cf;
1770		2553
1771	=back	2554	=back
1772		2555
1773	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1779	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>
1780	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
1781	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1782		2565
1783	=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	};
1784		2581
1785	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2583	# with dialog boxes.
1787	#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
1788	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1790		2587
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2589
1793	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1798	}	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 (@_);
1799	}	2615	}
1800		2616
1801	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1802		2618
1803	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1816		2632
1817	=item $player_object->enter_link	2633	=item $player_object->enter_link
1818		2634
1819	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}>).
1820		2636
1821	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.
1822	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.
1823		2641
1824	Will never block.	2642	Will never block.
1825		2643
1826	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1827		2645
…		…
1847	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2666	my ($self) = @_;
1849		2667
1850	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1851		2669
		2670	++$self->{_link_recursion};
		2671
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2673
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2675	if $self->map && $self->map->{path} ne "{link}";
1856		2676
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2678	}
1859		2679
1860	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
		2682
		2683	return unless $self->contr->active;
1862		2684
1863	my $link_pos = delete $self->{_link_pos};	2685	my $link_pos = delete $self->{_link_pos};
1864		2686
1865	unless ($map) {	2687	unless ($map) {
1866	# restore original map position	2688	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1879		2701
1880	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1883		2705
1884	$map->load;	2706	$map->load;
1885	$map->load_diag;	2707	$map->load_neighbours;
1886		2708
1887	return unless $self->contr->active;	2709	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2710
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
1892	}	2713	# entering was successful
1893		2714	delete $self->{_link_recursion};
1894	cf::player->attach (	2715	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2716	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2717	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2718
1908	# try to abort aborted map switching on player login :)	2719	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2720
1926	=item $player_object->goto ($path, $x, $y)	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		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
1928	=cut	2732	=cut
		2733
		2734	our $GOTOGEN;
1929		2735
1930	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1931	my ($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;
1932		2747
1933	$self->enter_link;	2748	$self->enter_link;
1934		2749
1935	(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
1936	my $map = eval {	2772	my $map = eval {
1937	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
		2774
		2775	if ($map) {
1938	$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
1939	$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 $@;
1940	} or	2788	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2789
		2790	if ($gen == $self->{_goto_generation}) {
		2791	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
		2793	}
		2794
		2795	$done->($self) if $done;
1944	})->prio (1);	2796	})->prio (1);
1945	}	2797	}
1946		2798
1947	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1948		2800
…		…
1968	}	2820	}
1969		2821
1970	sub prepare_random_map {	2822	sub prepare_random_map {
1971	my ($exit) = @_;	2823	my ($exit) = @_;
1972		2824
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2827	# that depends on the exit object
1978		2828
1979	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2831	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
1986	}	2838	}
1987		2839
1988	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
1989		2841
1990	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
1993		2845
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2848	undef $fh;
1997	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
1998		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
2001	}	2857	}
2002	}	2858	}
2003		2859
2004	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2006		2862
2007	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2008		2864
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2865	$self->enter_link;
2021		2866
2022	(async {	2867	(async {
2023	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2024	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
2025	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2026		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
2027	1;	2891	1
2028	}) {	2892	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "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. "
2031	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2897
2034	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2899	$self->leave_link;
2036	}	2900	}
2037	})->prio (1);	2901	})->prio (1);
2038	}	2902	}
2039		2903
…		…
2053		2917
2054	utf8::encode $text;	2918	utf8::encode $text;
2055	$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);
2056	}	2920	}
2057		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
2058	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2059		3110
2060	Sends an exti event to the client.	3111	Sends an ext event to the client.
2061		3112
2062	=cut	3113	=cut
2063		3114
2064	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2066		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2068	$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	}
2069	}	3142	}
2070		3143
2071	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2072		3145
2073	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
2074	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>,
2075	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>.
2076		3149
2077	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
2078	reliable at some point in the future.	3151	become reliable at some point in the future.
2079		3152
2080	=cut	3153	=cut
2081		3154
2082	sub cf::client::query {	3155	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3164	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3166
2094	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
2096	}	3171	}
2097		3172
2098	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	},
2099	on_reply => sub {	3179	on_reply => sub {
2100	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
2101		3181
2102	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
2103	# get handled first	3183	# get handled first
…		…
2115	} else {	3195	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3197	}
2118	}	3198	}
2119	},	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	},
2120	);	3226	);
2121		3227
2122	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
2123		3229
2124	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3246
2141	$coro	3247	$coro
2142	}	3248	}
2143		3249
2144	cf::client->attach (	3250	cf::client->attach (
2145	on_destroy => sub {	3251	on_client_destroy => sub {
2146	my ($ns) = @_;	3252	my ($ns) = @_;
2147		3253
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3255	},
2150	);	3256	);
…		…
2165	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2167		3273
2168	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2169		3275
2170	$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	));
2171		3281
2172	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2173		3283
2174	=pod	3284	=pod
2175		3285
2176	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2177		3287
2178	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
2179	cf::object::player player	3293	cf::object::player
2180	cf::player peaceful	3294	player
2181	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2182		3301
2183	=cut	3302	=cut
2184		3303
2185	for (	3304	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2190	) {	3311	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3314	for @funs;
2195	}	3315	}
2196		3316
…		…
2211		3331
2212	my $qcode = $code;	3332	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2215		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2216	local $_;	3339	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3340
2219	my $eval =	3341	my $eval =
2220	"do {\n"	3342	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3345	. $code
2224	. "\n}"	3346	. "\n}"
2225	;	3347	;
2226		3348
		3349	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	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	}
2230		3358
2231	if ($@) {	3359	if ($@) {
2232	warn "$@";	3360	warn "$@",
2233	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2235	}	3363	}
2236		3364
2237	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2238	}	3366	}
2239		3367
…		…
2253	=cut	3381	=cut
2254		3382
2255	sub register_script_function {	3383	sub register_script_function {
2256	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2257		3385
2258	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2260	}	3388	}
2261		3389
2262	=back	3390	=back
2263		3391
2264	=cut	3392	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3393
2435	#############################################################################	3394	#############################################################################
2436	# the server's init and main functions	3395	# the server's init and main functions
2437		3396
2438	sub load_facedata($) {	3397	sub load_facedata($) {
2439	my ($path) = @_;	3398	my ($path) = @_;
2440		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
2441	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2442		3407
2443	my $facedata;
2444	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2445	or die "$path: $!";	3409	or die "$path: $!";
2446		3410
2447	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2448		3412
2449	$facedata->{version} == 2	3413	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		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
2452	{	3425	{
2453	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2454		3427
2455	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3431	cf::face::set_visibility $idx, $info->{visibility};
		3432	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3435
		3436	cf::cede_to_tick;
2461	}	3437	}
2462		3438
2463	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2465	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2466	or next;	3443	or next;
		3444
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
		3446	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3448	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3450	}
2472	Coro::cede;	3451
		3452	cf::cede_to_tick;
2473	}	3453	}
2474	}	3454	}
2475		3455
2476	{	3456	{
2477	my $anims = $facedata->{animinfo};	3457	my $anims = $facedata->{animinfo};
2478		3458
2479	while (my ($anim, $info) = each %$anims) {	3459	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3461	cf::cede_to_tick;
2482	}	3462	}
2483		3463
2484	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2485	}	3465	}
2486		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} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
2487	1	3486	1
2488	}	3487	}
2489		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($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 $_->{match};
		3518	}
		3519	}
		3520
2490	sub reload_facedata {	3521	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3522	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3523	or die "unable to load facedata\n";
2493	}	3524	}
2494		3525
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3526	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3527	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3528	or die "unable to load archetypes\n";
2503	}	3529	}
2504		3530
2505	sub reload_treasures {	3531	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3532	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2508	}	3534	}
2509		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 = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2510	sub reload_resources {	3559	sub reload_resources {
2511	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2512		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2513	reload_regions;	3567	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3568	reload_treasures;
2517		3569
2518	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
2519	}	3571	}
2520		3572
2521	sub init {	3573	sub reload_config {
2522	reload_resources;	3574	trace "reloading config file...\n";
2523	}
2524		3575
2525	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3577	or die "$CONFDIR/config: $!";
2527	or return;
2528		3578
2529	local $/;	3579	utf8::decode $config;
2530	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
2531		3581
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3583
2534	$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};
2535	$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};
2536		3586
2537	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2541	};	3591	};
2542	warn $@ if $@;	3592	warn $@ if $@;
2543	}	3593	}
2544	}	3594	}
2545		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
2546	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
2547	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2549	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#
2550	(async {	3637	(async {
2551	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2553	};	3641	};
2554		3642
2555	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;
2556	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
2557	load_extensions;	3666	load_extensions;
2558		3667
2559	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2560	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;
2561	}	3686	}
2562		3687
2563	#############################################################################	3688	#############################################################################
2564	# initialisation and cleanup	3689	# initialisation and cleanup
2565		3690
2566	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2567	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2576	},
2577	);	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
2578	}	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 };
2579	}	3787	}
2580		3788
2581	sub emergency_save() {	3789	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2583		3791
2584	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;
2585		3798
2586	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2587	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3810	$pl->save;
2595	}	3811	}
2596	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2597		3813
2598	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";
2599	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3819	$map->valid or next;
2602	$map->save;	3820	$map->save;
2603	}	3821	}
2604	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2605		3823
2606	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";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2608	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 $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2609	};	3852	};
2610		3853
2611	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2612	}	3855	}
2613		3856
2614	sub post_cleanup {	3857	sub post_cleanup {
2615	my ($make_core) = @_;	3858	my ($make_core) = @_;
2616		3859
		3860	IO::AIO::flush;
		3861
2617	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3863	if $make_core;
		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	}
2619	}	3892	}
2620		3893
2621	sub do_reload_perl() {	3894	sub do_reload_perl() {
2622	# can/must only be called in main	3895	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2624	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2625	return;	3898	return;
2626	}	3899	}
2627		3900
2628	warn "reloading...";	3901	return if $RELOAD++;
2629		3902
2630	warn "entering sync_job";	3903	my $t1 = AE::time;
2631		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
2632	cf::sync_job {	3911	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	3912	#cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		3913
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	3916	%EXT_CORO = ();
2661		3917
2662	warn "removing commands";	3918	trace "perl_reload: removing commands";
2663	%COMMAND = ();	3919	%COMMAND = ();
2664		3920
2665	warn "removing ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2666	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2667		3924
2668	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2671		3928
2672	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2673	eval {	3930	eval {
2674	$cb->($pkg);	3931	$cb->($pkg);
2675	1	3932	1
2676	} 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;
2677	}	3938	}
2678		3939
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3943
2687	warn "... unloading $k";	3944	trace "... unloading $k";
2688	delete $INC{$k};	3945	delete $INC{$k};
2689		3946
2690	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2692		3949
2693	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2695	}	3955	}
2696		3956
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2702	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);
2703		3960
2704	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2707		3964
2708	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2709	# and global variables created in xs	3966	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2711		3968
2712	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
2713		3970
2714	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
2715	require cf;	3972	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2717		3974
2718	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
2719	cf::cfg_load;	3976	cf::reload_config;
2720		3977
2721	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
2722	cf::load_extensions;	3979	cf::load_extensions;
2723		3980
		3981	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2727	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
2730		3989
2731	warn "leaving sync_job";	3990	cf::_post_init 1;
2732		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
2733	1	3994	1
2734	} or do {	3995	} or do {
2735	warn $@;	3996	error $@;
2736	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
2737	exit 1;	3998	};
		3999
		4000	--$RELOAD;
2738	};	4001	}
2739		4002
2740	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
2741	};	4005	};
2742		4006
2743	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
2744		4008
2745	sub reload_perl() {	4009	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
2748		4012
2749	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	4015
2752	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	4017	do_reload_perl;
2755	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
2756	},	4019	};
2757	);	4020	};
2758	}	4021	}
2759		4022
2760	register_command "reload" => sub {	4023	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2762		4025
2763	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	4030	reload_perl;
		4031	};
2766	}	4032	}
2767	};	4033	};
2768		4034
2769	unshift @INC, $LIBDIR;	4035	#############################################################################
2770		4036
2771	my $bug_warning = 0;	4037	my $bug_warning = 0;
2772		4038
2773	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
2775		4041
2776	sub wait_for_tick {	4042	sub wait_for_tick() {
2777	return unless $TICK_WATCHER->is_active;
2778	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2779		4044
2780	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
2781	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;	4047	$signal->wait;
2783	}	4048	}
2784		4049
2785	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
2786	return unless $TICK_WATCHER->is_active;
2787	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2788		4052
2789	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	4055	$signal->wait;
2792	}	4056	}
2793		4057
2794	$TICK_WATCHER = Event->timer (	4058	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
2802	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"
2803	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
2804	return;	4062	return;
2805	}	4063	}
2806		4064
2807	$NOW = Event::time;
2808
2809	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2810		4066
2811	$RUNTIME += $TICK;	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2812	$NEXT_TICK += $TICK;
2813		4068
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	4071	Coro::async_pool {
		4072	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	4073	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	4074	or error "ERROR: unable to write runtime file: $!";
2819	};
2820	}	4075	};
		4076	}
2821		4077
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	4079	$sig->send;
2833	}	4080	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	4082	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	4083	}
2840	);	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	}
2841		4096
2842	{	4097	{
2843	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	4099
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
2853		4101	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		4103
2869	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
2870	$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);
2871		4111
2872	cf::sync_job {	4112	cf::sync_job {
2873	eval {	4113	eval {
2874	BDB::db_env_open	4114	BDB::db_env_open
2875	$DB_ENV,	4115	$DB_ENV,
2876	$BDB_ENV_DIR,	4116	$BDBDIR,
2877	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
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	4119	0666;
2880		4120
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	4122	};
2886		4123
2887	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	4125	};
2889	}	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	};
2890	}	4137	}
2891		4138
2892	{	4139	{
		4140	# configure IO::AIO
		4141
2893	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	4145	}
2899	data => WF_AUTOCANCEL,	4146
2900	fd => IO::AIO::poll_fileno,	4147	our $_log_backtrace;
2901	poll => 'r',	4148	our $_log_backtrace_last;
2902	prio => 6,	4149
2903	cb => \&IO::AIO::poll_cb,	4150	sub _log_backtrace {
2904	);	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] $msg\n";
		4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4191	}
2905	}	4192	}
2906		4193
2907	# load additional modules	4194	# load additional modules
2908	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
2909		4197
2910	END { cf::emergency_save }	4198	END { cf::emergency_save }
2911		4199
2912	1	4200	1
2913		4201

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