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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.451 by root, Mon Sep 22 05:42:41 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
48	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	87	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		88
52	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	90	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	107	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	113	our $DB_ENV;
62		114
63	our %CFG;	115	our %CFG;
64		116
65	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
67		120
68	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		124
77	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
80	binmode STDOUT;	133	binmode STDOUT;
81	binmode STDERR;	134	binmode STDERR;
82		135
83	# read virtual server time, if available	136	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
88	}	141	}
89		142
90	mkdir cf::localdir;	143	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		145
97	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
98		147
99	sub cf::map::normalise;	148	sub cf::map::normalise;
100		149
…		…
111	=item $cf::RUNTIME	160	=item $cf::RUNTIME
112		161
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	163	every server tick.
115		164
116	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		168
118	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
120		173
121	=item $cf::NOW	174	=item $cf::NOW
122		175
123	The time of the last (current) server tick.	176	The time of the last (current) server tick.
124		177
125	=item $cf::TICK	178	=item $cf::TICK
126		179
127	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
128		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
129	=item %cf::CFG	192	=item %cf::CFG
130		193
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	195	from wherever your confdir points to.
133		196
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		198
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	200	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
140		208
141	=back	209	=back
142		210
143	=cut	211	=cut
144		212
145	BEGIN {	213	BEGIN {
146	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	215	my $msg = join "", @_;
148	utf8::encode $msg;
149		216
150	$msg .= "\n"	217	$msg .= "\n"
151	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
152		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
153	LOG llevError, $msg;	222	LOG llevError, $msg;
154	};	223	};
155	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
156		240
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		248
164	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	250	# within the Safe compartment.
166	for my $pkg (qw(	251	for my $pkg (qw(
167	cf::global cf::attachable	252	cf::global cf::attachable
168	cf::object cf::object::player	253	cf::object cf::object::player
169	cf::client cf::player	254	cf::client cf::player
170	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
171	cf::map cf::party cf::region	257	cf::party cf::region
172	)) {	258	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	260	}
176		261
177	$Event::DIED = sub {	262	$EV::DIED = sub {
178	warn "error in event callback: @_";	263	warn "error in event callback: @_";
179	};	264	};
		265
		266	#############################################################################
180		267
181	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
182		269
183	=over 4	270	=over 4
184		271
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	291	$d
205	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
206	}	293	}
207		294
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
211		296
212	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
213		298
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
222		300
223	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
224		302
225	=cut	303	=cut
226		304
227	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
229	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
231		309
232	=item cf::lock_wait $string	310	=item cf::lock_wait $string
233		311
234	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
235		313
…		…
238	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
241	returned.	319	returned.
242		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
243	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
245		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
246	=cut	331	=cut
247		332
248	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
249		335
250	sub lock_wait($) {	336	sub lock_wait($) {
251	my ($key) = @_;	337	my ($key) = @_;
252		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
253	# wait for lock, if any	344	# wait for lock, if any
254	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
255	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	348	Coro::schedule;
257	}	349	}
258	}	350	}
259		351
…		…
262		354
263	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
264	lock_wait $key;	356	lock_wait $key;
265		357
266	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
267		360
268	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
271	}	365	}
272	}	366	}
273		367
		368	sub lock_active($) {
		369	my ($key) = @_;
		370
		371	! ! $LOCK{$key}
		372	}
		373
274	sub freeze_mainloop {	374	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
276		376
277	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
279	};	438	}
280	$TICK_WATCHER->stop;	439	};
281	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
282	}	453	}
283		454
284	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
285		456
286	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		462
292	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
293		464
294	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
295		466
296	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
299		471
300	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
303	fast or be very important.	475	fast or be very important.
…		…
306		478
307	sub sync_job(&) {	479	sub sync_job(&) {
308	my ($job) = @_;	480	my ($job) = @_;
309		481
310	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
		483	my $time = EV::time;
		484
311	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
313		487
314	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	489
316	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
317		491
318	my $busy = 1;	492	my $busy = 1;
319	my @res;	493	my @res;
320		494
321	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	497	@res = eval { $job->() };
323	warn $@ if $@;	498	warn $@ if $@;
324	undef $busy;	499	undef $busy;
325	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
326		501
327	while ($busy) {	502	while ($busy) {
328	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
329	}	507	}
		508	}
		509
		510	my $time = EV::time - $time;
		511
		512	$TICK_START += $time; # do not account sync jobs to server load
330		513
331	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
332	} else {	515	} else {
333	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
334		517
…		…
354	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
355		538
356	$coro	539	$coro
357	}	540	}
358		541
359	sub write_runtime {	542	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		543
362	my $runtime = cf::localdir . "/runtime";	544	Executes the given code block with the given arguments in a seperate
		545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
363		548
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	549	=cut
365	or return;
366		550
367	my $value = $cf::RUNTIME + 90 + 10;	551	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	552	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		553
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	554	# we seemingly have to make a local copy of the whole thing,
372	and return;	555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
373		557
374	# always fsync - this file is important	558	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	559	reset_signals;
376	and return;	560	&$cb
		561	}, @args;
377		562
378	close $fh	563	wantarray ? @res : $res[-1]
379	or return;	564	}
380		565
381	aio_rename "$runtime~", $runtime	566	=item $coin = coin_from_name $name
382	and return;
383		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
		592
		593	=item $value = cf::db_get $family => $key
		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
		625
		626	our $DB;
		627
		628	sub db_init {
		629	cf::sync_job {
		630	$DB ||= db_table "db";
		631	};
		632	}
		633
		634	sub db_get($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
384	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
		718	}
		719
		720	=item cf::datalog type => key => value, ...
		721
		722	Log a datalog packet of the given type with the given key-value pairs.
		723
		724	=cut
		725
		726	sub datalog($@) {
		727	my ($type, %kv) = @_;
		728	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	729	}
386		730
387	=back	731	=back
388		732
389	=cut	733	=cut
390		734
391	#############################################################################	735	#############################################################################
392		736
393	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
394		738
395	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
398		742
399	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	745	Deliantra).
402		746
403	=over 4	747	=over 4
404		748
405	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
406		750
…		…
450	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
451		795
452	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
454		798
455	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
457		801
458	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
459		803
460	=over 4	804	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	913	$registry = $CB_TYPE[$object_type] ||= [];
570		914
571	} elsif ($type eq "subtype") {	915	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	916	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	917	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	918	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		919
576	} elsif ($type eq "package") {	920	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	921	my $pkg = shift @arg;
578		922
579	while (my ($name, $id) = each %cb_id) {	923	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
609	}	953	}
610		954
611	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
612	} else {	956	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	958	}
615		959
616	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
617	}	961	}
618		962
…		…
620	if (ref $_[0]) {	964	if (ref $_[0]) {
621	_object_attach @_;	965	_object_attach @_;
622	} else {	966	} else {
623	_attach shift->_attach_registry, @_;	967	_attach shift->_attach_registry, @_;
624	}	968	}
		969	_recalc_want;
625	};	970	};
626		971
627	# all those should be optimised	972	# all those should be optimised
628	sub cf::attachable::detach {	973	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	977	delete $obj->{_attachment}{$name};
633	reattach ($obj);	978	reattach ($obj);
634	} else {	979	} else {
635	Carp::croak "cannot, currently, detach class attachments";	980	Carp::croak "cannot, currently, detach class attachments";
636	}	981	}
		982	_recalc_want;
637	};	983	};
638		984
639	sub cf::attachable::attached {	985	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
641		987
…		…
656	";	1002	";
657	die if $@;	1003	die if $@;
658	}	1004	}
659		1005
660	our $override;	1006	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1008
663	sub override {	1009	sub override {
664	$override = 1;	1010	$override = 1;
665	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
666	}	1012	}
667		1013
668	sub do_invoke {	1014	sub do_invoke {
669	my $event = shift;	1015	my $event = shift;
670	my $callbacks = shift;	1016	my $callbacks = shift;
671		1017
672	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
673		1019
674	local $override;	1020	local $override;
675		1021
676	for (@$callbacks) {	1022	for (@$callbacks) {
677	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
686	}	1032	}
687		1033
688	0	1034	0
689	}	1035	}
690		1036
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1038
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1040
695	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
696		1042
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1046
701	=back	1047	=back
702		1048
703	=cut	1049	=cut
704		1050
705	#############################################################################	1051	#############################################################################
706	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
707		1095
708	sub reattach {	1096	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1098	my ($obj) = @_;
711		1099
		1100	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1102
714	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
715		1104
716	@$registry = ();	1105	@$registry = ();
717		1106
…		…
732	cf::attachable->attach (	1121	cf::attachable->attach (
733	prio => -1000000,	1122	prio => -1000000,
734	on_instantiate => sub {	1123	on_instantiate => sub {
735	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
736		1125
737	$data = from_json $data;	1126	$data = decode_json $data;
738		1127
739	for (@$data) {	1128	for (@$data) {
740	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
741		1130
742	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1147	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
760		1149
761	sync_job {	1150	sync_job {
762	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
765		1155
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1160	aio_close $fh;
771		1161
772	if (@$objs) {	1162	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1168	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
780	}	1170	}
781	} else {	1171	} else {
782	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
783	}	1173	}
…		…
788	}	1178	}
789	} else {	1179	} else {
790	aio_unlink $filename;	1180	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
792	}	1182	}
793	}	1183	};
794	}	1184	}
795		1185
796	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
798		1188
…		…
810	or return;	1200	or return;
811		1201
812	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
814	or return;	1204	or return;
		1205
815	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
816	}	1208	}
817		1209
		1210	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
820	return ($data, $av);	1214	($data, $av)
821	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
822		1222
823	#############################################################################	1223	#############################################################################
824	# command handling &c	1224	# command handling &c
825		1225
826	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1240	}
841		1241
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1243
844	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
845		1249
846	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
847	called.	1251	called.
848		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
849	=cut	1264	=cut
850		1265
851	sub register_extcmd {	1266	sub register_extcmd {
852	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
853		1268
854	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
855	}	1276	}
856		1277
857	cf::player->attach (	1278	cf::player->attach (
858	on_command => sub {	1279	on_command => sub {
859	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1289	cf::override;
869	},	1290	},
870	on_extcmd => sub {	1291	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
872		1293
873	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1295
875	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
881	} else {	1311	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1313	}
884		1314
885	cf::override;	1315	cf::override;
886	},	1316	},
887	);	1317	);
888		1318
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
924	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1324	next unless -r $path;
926	eval {	1325
927	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
928	1	1382	}
929	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
930	}	1388	};
931	}	1389	}
932		1390
933	#############################################################################	1391	#############################################################################
934		1392
		1393	=back
		1394
935	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
936		1396
937	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
938		1398
939	=cut	1399	=cut
940		1400
941	package cf::player;	1401	package cf::player;
942		1402
…		…
944		1404
945	=head3 cf::player	1405	=head3 cf::player
946		1406
947	=over 4	1407	=over 4
948		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
		1422
949	=item cf::player::find $login	1423	=item cf::player::find $login
950		1424
951	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
952		1426
953	=cut	1427	=cut
954		1428
955	sub playerdir($) {	1429	sub playerdir($) {
956	cf::localdir	1430	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1431	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1432	}
962		1433
963	sub path($) {	1434	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1435	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1436
966	(playerdir $login) . "/$login.pl"	1437	(playerdir $login) . "/playerdata"
967	}	1438	}
968		1439
969	sub find_active($) {	1440	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1441	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1442	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1455	my $login = $_[0];
985		1456
986	my $guard = cf::lock_acquire "user_find:$login";	1457	my $guard = cf::lock_acquire "user_find:$login";
987		1458
988	$cf::PLAYER{$_[0]} || do {	1459	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1460	# rename old playerfiles to new ones
		1461	#TODO: remove when no longer required
		1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1465	aio_unlink +(playerdir $login) . "/$login.pl";
		1466
		1467	my $f = new_from_file cf::object::thawer path $login
990	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
992	}	1476	}
993	}	1477	}
994	}	1478	}
995		1479
…		…
1004	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1005		1489
1006	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1008		1492
		1493	cf::get_slot 0.01;
		1494
1009	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1010	Coro::cede;	1496	cf::cede_to_tick;
1011	}	1497	}
1012		1498
1013	sub new($) {	1499	sub new($) {
1014	my ($login) = @_;	1500	my ($login) = @_;
1015		1501
…		…
1021	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1022		1508
1023	$self	1509	$self
1024	}	1510	}
1025		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1026	=item $pl->quit_character	1522	=item $pl->quit_character
1027		1523
1028	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1030		1526
…		…
1034	my ($pl) = @_;	1530	my ($pl) = @_;
1035		1531
1036	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1037		1533
1038	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1536
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1045		1543
1046	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1575	while and may block, so not sync_job-capable, ever.
1078		1576
1079	=cut	1577	=cut
1080		1578
1081	sub list_logins {	1579	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1580	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1581	or return [];
1084		1582
1085	my @logins;	1583	my @logins;
1086		1584
1087	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1091		1595
1092	utf8::decode $login;	1596	utf8::decode $login;
1093	push @logins, $login;	1597	push @logins, $login;
1094	}	1598	}
1095		1599
…		…
1122	}	1626	}
1123		1627
1124	\@paths	1628	\@paths
1125	}	1629	}
1126		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1128		1636
1129	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1130		1638
1131	=cut	1639	=cut
1132		1640
1133	sub ext_reply($$$%) {	1641	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1135		1643
1136	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1645	}
1140		1646
1141	package cf;	1647	=item $player->ext_msg ($type, @msg)
		1648
		1649	Sends an ext event to the client.
		1650
		1651	=cut
		1652
		1653	sub ext_msg($$@) {
		1654	my ($self, $type, @msg) = @_;
		1655
		1656	$self->ns->ext_msg ($type, @msg);
		1657	}
		1658
		1659	=head3 cf::region
		1660
		1661	=over 4
		1662
		1663	=cut
		1664
		1665	package cf::region;
		1666
		1667	=item cf::region::find_by_path $path
		1668
		1669	Tries to decuce the likely region for a map knowing only its path.
		1670
		1671	=cut
		1672
		1673	sub find_by_path($) {
		1674	my ($path) = @_;
		1675
		1676	my ($match, $specificity);
		1677
		1678	for my $region (list) {
		1679	if ($region->{match} && $path =~ $region->{match}) {
		1680	($match, $specificity) = ($region, $region->specificity)
		1681	if $region->specificity > $specificity;
		1682	}
		1683	}
		1684
		1685	$match
		1686	}
1142		1687
1143	=back	1688	=back
1144
1145		1689
1146	=head3 cf::map	1690	=head3 cf::map
1147		1691
1148	=over 4	1692	=over 4
1149		1693
…		…
1161	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1163		1707
1164	sub generate_random_map {	1708	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1166	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1714	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1205		1752
1206	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1207	local $self->{path};	1754	local $self->{path};
1208	local $self->{load_path};	1755	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1756
1212	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1213	}	1758	}
1214		1759
1215	sub normalise {	1760	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1263	return $self;	1808	return $self;
1264	}	1809	}
1265	}	1810	}
1266		1811
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1813	()
1269	}	1814	}
1270		1815
1271	sub init {	1816	sub init {
1272	my ($self) = @_;	1817	my ($self) = @_;
…		…
1287		1832
1288	# the original (read-only) location	1833	# the original (read-only) location
1289	sub load_path {	1834	sub load_path {
1290	my ($self) = @_;	1835	my ($self) = @_;
1291		1836
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1837	"$MAPDIR/$self->{path}.map"
1293	}	1838	}
1294		1839
1295	# the temporary/swap location	1840	# the temporary/swap location
1296	sub save_path {	1841	sub save_path {
1297	my ($self) = @_;	1842	my ($self) = @_;
1298		1843
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1845	"$TMPDIR/$path.map"
1301	}	1846	}
1302		1847
1303	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1304	sub uniq_path {	1849	sub uniq_path {
1305	my ($self) = @_;	1850	my ($self) = @_;
1306		1851
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1853	"$UNIQUEDIR/$path"
1309	}	1854	}
1310		1855
1311	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1312	# all maps in C++...	1857	# all maps in C++...
1313	sub change_all_map_light {	1858	sub change_all_map_light {
…		…
1315		1860
1316	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1318	}	1863	}
1319		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1320	sub unlink_save {	1873	sub unlink_save {
1321	my ($self) = @_;	1874	my ($self) = @_;
1322		1875
1323	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1880
1328	sub load_header_from($) {	1881	sub load_header_from($) {
1329	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1330		1883
1331	utf8::encode $path;	1884	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1337		1893
1338	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1339		1895
1340	1	1896	1
1341	}	1897	}
…		…
1380	$self->load_header_orig	1936	$self->load_header_orig
1381	or return;	1937	or return;
1382	$self->prepare_orig;	1938	$self->prepare_orig;
1383	}	1939	}
1384		1940
		1941	$self->{deny_reset} = 1
		1942	if $self->no_reset;
		1943
		1944	$self->default_region (cf::region::find_by_path $self->{path})
		1945	unless $self->default_region;
		1946
1385	1	1947	1
1386	}	1948	}
1387		1949
1388	sub find;	1950	sub find;
1389	sub find {	1951	sub find {
1390	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1391		1953
1392	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1393		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1395		1958
1396	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1397	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1398	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1399	or return;	1964	or return;
1400		1965
1401	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1402		1967
1403	$map->load_header	1968	$map->load_header
1404	or return;	1969	or return;
1405		1970
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1409	$map->reset;	1976	$map->reset;
1410	undef $guard;
1411	return find $path;	1977	return find $path;
1412	}	1978	}
1413		1979
1414	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1415	}	1981	}
…		…
1422	my ($self) = @_;	1988	my ($self) = @_;
1423		1989
1424	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1425		1991
1426	my $path = $self->{path};	1992	my $path = $self->{path};
		1993
		1994	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1428		1996
		1997	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1999
1431	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1432		2001
1433	$self->alloc;	2002	$self->alloc;
1434		2003
1435	$self->pre_load;	2004	$self->pre_load;
		2005	cf::cede_to_tick;
1436		2006
1437	$self->_load_objects ($self->{load_path}, 1)	2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
		2009	$self->_load_objects ($f)
1438	or return;	2010	or return;
1439		2011
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1441	if delete $self->{load_original};	2013	if delete $self->{load_original};
1442		2014
1443	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2016	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2019	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1448	}	2023	}
1449	}	2024	}
1450		2025
1451	Coro::cede;	2026	$f->resolve_delayed_derefs;
1452		2027
		2028	cf::cede_to_tick;
1453	# now do the right thing for maps	2029	# now do the right thing for maps
1454	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2032	unless $self->difficulty;
1464	Coro::cede;	2033	cf::cede_to_tick;
		2034
		2035	unless ($self->{deny_activate}) {
		2036	$self->decay_objects;
		2037	$self->fix_auto_apply;
		2038	$self->update_buttons;
		2039	cf::cede_to_tick;
		2040	$self->set_darkness_map;
		2041	cf::cede_to_tick;
1465	$self->activate;	2042	$self->activate;
		2043	}
		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
		2048	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2049	}
1467		2050
1468	$self->post_load;	2051	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2052	}
1472		2053
1473	sub customise_for {	2054	sub customise_for {
1474	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1475		2056
1476	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2058	if $self->per_player;
1478		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1479	$self	2063	$self
1480	}	2064	}
1481		2065
1482	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2067	sub load_neighbours {
1484	my ($map) = @_;	2068	my ($map) = @_;
1485		2069
1486	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1487		2071
1488	for (0 .. 3) {	2072	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1490	or next;	2074	or next;
1491	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1492	or next;	2076	or next;
1493	$neigh->load;	2077	$neigh->load;
1494		2078
		2079	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2082	}
1498		2083
1499	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1501	or next;	2087	or next;
1502	$neigh->load;	2088	$neigh->load;
1503	}	2089	}
1504	}	2090	}
1505		2091
…		…
1510	}	2096	}
1511		2097
1512	sub do_load_sync {	2098	sub do_load_sync {
1513	my ($map) = @_;	2099	my ($map) = @_;
1514		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1515	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1516	}	2105	}
1517		2106
1518	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1520		2109
1521	sub find_async {	2110	sub find_async {
1522	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1523		2112
1524	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1525		2114
1526	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2117	}
1529		2118
1530	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1531	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1532	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2126	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2127	$map->load if $v;
		2128	}
1537		2129
1538	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1539	}	2131	}
1540	}	2132	}
1541	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1542	};	2134	};
1543	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2138	}
1547		2139
1548	sub save {	2140	sub save {
1549	my ($self) = @_;	2141	my ($self) = @_;
1550		2142
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2144
1553	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1554		2146
1555	return unless $self->dirty;	2147	return unless $self->dirty;
1556		2148
…		…
1562	return if $self->{deny_save};	2154	return if $self->{deny_save};
1563		2155
1564	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1565		2157
1566	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1568	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1569		2164
1570	if ($uniq) {	2165	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2168	} else {
…		…
1579	my ($self) = @_;	2174	my ($self) = @_;
1580		2175
1581	# save first because save cedes	2176	# save first because save cedes
1582	$self->save;	2177	$self->save;
1583		2178
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2180
1586	return if $self->players;	2181	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2183	return if $self->{deny_save};
1589		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2189	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2190	}
1593		2191
1594	sub reset_at {	2192	sub reset_at {
1595	my ($self) = @_;	2193	my ($self) = @_;
1596		2194
1597	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1600		2197
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2200
…		…
1614	my ($self) = @_;	2211	my ($self) = @_;
1615		2212
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2214
1618	return if $self->players;	2215	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2216
1621	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1622		2218
1623	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1624		2220
1625	# need to save uniques path	2221	# need to save uniques path
1626	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2226	if $uniq;
1631	}	2227	}
1632		2228
1633	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1634		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2233	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2234
1639	$self->unlink_save;	2235	$self->unlink_save;
1640	$self->destroy;	2236	$self->destroy;
1641	}	2237	}
1642		2238
1643	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1644		2240
1645	sub nuke {	2241	sub nuke {
1646	my ($self) = @_;	2242	my ($self) = @_;
1647		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1648	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1649		2248
1650	$self->unlink_save;	2249	$self->unlink_save;
1651		2250
1652	bless $self, "cf::map";	2251	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2256
1658	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1659		2259
1660	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1661	}	2297	}
1662		2298
1663	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1664		2300
1665	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2302	instantiated unique items. May block.
1667		2303
1668	=cut	2304	=cut
1669		2305
1670	sub unique_maps() {	2306	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1672	or return;	2308	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2309	utf8::decode $_;
1678	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2312	? ()
1681	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2315	]
1683
1684	\@paths
1685	}	2316	}
1686
1687	package cf;
1688		2317
1689	=back	2318	=back
1690		2319
1691	=head3 cf::object	2320	=head3 cf::object
1692		2321
…		…
1696		2325
1697	=over 4	2326	=over 4
1698		2327
1699	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1700		2329
1701	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1702		2332
1703	=cut	2333	=cut
1704		2334
1705	sub inv_recursive_;	2335	sub inv_recursive_;
1706	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1709		2339
1710	sub inv_recursive {	2340	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1712	}	2342	}
1713		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1714	package cf;	2372	package cf;
1715		2373
1716	=back	2374	=back
1717		2375
1718	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1727		2385
1728	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1729		2401
1730	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2403	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1735		2407
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2409
1738	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1740	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1743	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1744	}	2435	}
1745		2436
1746	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1747		2438
1748	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1761		2452
1762	=item $player_object->enter_link	2453	=item $player_object->enter_link
1763		2454
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2456
1766	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1768		2461
1769	Will never block.	2462	Will never block.
1770		2463
1771	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1772		2465
…		…
1795	$self->deactivate_recursive;	2488	$self->deactivate_recursive;
1796		2489
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2490	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2491
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2493	if $self->map && $self->map->{path} ne "{link}";
1801		2494
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2496	}
1804		2497
1805	sub cf::object::player::leave_link {	2498	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2499	my ($self, $map, $x, $y) = @_;
		2500
		2501	return unless $self->contr->active;
1807		2502
1808	my $link_pos = delete $self->{_link_pos};	2503	my $link_pos = delete $self->{_link_pos};
1809		2504
1810	unless ($map) {	2505	unless ($map) {
1811	# restore original map position	2506	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1828		2523
1829	$map->load;	2524	$map->load;
1830	$map->load_diag;	2525	$map->load_neighbours;
1831		2526
1832	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1833	$self->activate_recursive;	2529	$self->activate_recursive;
1834		2530
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1837	}	2533	}
1838		2534
1839	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2536
1843	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1847	};	2541	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2542
1853	# try to abort aborted map switching on player login :)	2543	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2544	it needs a loaded map it has to call C<< ->load >>.
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2545
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1874		2549
1875	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2555
1878	$self->enter_link;	2556	$self->enter_link;
1879		2557
1880	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1881	my $map = eval {	2580	my $map = eval {
1882	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1884	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2596	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1889	})->prio (1);	2604	})->prio (1);
1890	}	2605	}
1891		2606
1892	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1893		2608
…		…
1913	}	2628	}
1914		2629
1915	sub prepare_random_map {	2630	sub prepare_random_map {
1916	my ($exit) = @_;	2631	my ($exit) = @_;
1917		2632
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2635	# that depends on the exit object
1923		2636
1924	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2639	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
1931	}	2646	}
1932		2647
1933	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1934		2649
1935	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1938		2653
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2656	undef $fh;
1942	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
1943		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
1946	}	2665	}
1947	}	2666	}
1948		2667
1949	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
1951		2670
1952	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
1953		2672
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2673	$self->enter_link;
1964		2674
1965	(async {	2675	(async {
1966	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
1967	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
1968	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
1969		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
1970	1;	2699	1
1971	}) {	2700	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2705
1977	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2707	$self->leave_link;
1979	}	2708	}
1980	})->prio (1);	2709	})->prio (1);
…		…
1993		2722
1994	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1996		2725
1997	utf8::encode $text;	2726	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2728	}
2000		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
		2881	=item $client->ext_msg ($type, @msg)
		2882
		2883	Sends an ext event to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_msg($$@) {
		2888	my ($self, $type, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
		2893	push @msg, msgtype => "event_$type";
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
2001		2915
2002	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2003		2917
2004	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2919	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2921
2008	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2923	become reliable at some point in the future.
2010		2924
2011	=cut	2925	=cut
2012		2926
2013	sub cf::client::query {	2927	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2936	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2938
2025	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2027	}	2943	}
2028		2944
2029	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2030	on_reply => sub {	2951	on_reply => sub {
2031	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2032		2953
2033	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2034	# get handled first	2955	# get handled first
…		…
2046	} else {	2967	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2969	}
2049	}	2970	}
2050	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2051	);	2998	);
2052		2999
2053	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2054		3001
2055	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2098		3045
2099	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2100		3047
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2102		3053
2103	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2104		3055
2105	=pod	3056	=pod
2106		3057
2107	The following fucntions and emthods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2108		3059
2109	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2110	cf::object::player player	3064	cf::object::player
2111	cf::player peaceful	3065	player
2112	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2113		3072
2114	=cut	3073	=cut
2115		3074
2116	for (	3075	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2118	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2121	) {	3082	) {
2122	no strict 'refs';	3083	no strict 'refs';
…		…
2193	=back	3154	=back
2194		3155
2195	=cut	3156	=cut
2196		3157
2197	#############################################################################	3158	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3159	# the server's init and main functions
2271		3160
2272	sub load_faces {	3161	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3162	my ($path) = @_;
2274		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3169
2275	warn "loading faces from $path\n";	3170	warn "loading facedata from $path\n";
2276		3171
2277	my $faces;	3172	my $facedata;
2278	0 < aio_load $path, $faces	3173	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3174	or die "$path: $!";
2280		3175
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3176	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3177
		3178	$facedata->{version} == 2
		3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
		3188	{
		3189	my $faces = $facedata->{faceinfo};
		3190
2285	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193
		3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3198
		3199	cf::cede_to_tick;
		3200	}
		3201
		3202	while (my ($face, $info) = each %$faces) {
		3203	next unless $info->{smooth};
		3204
		3205	my $idx = cf::face::find $face
		3206	or next;
		3207
		3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
		3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3211	} else {
		3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3213	}
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217	}
		3218
2290	}	3219	{
		3220	my $anims = $facedata->{animinfo};
		3221
		3222	while (my ($anim, $info) = each %$anims) {
		3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3224	cf::cede_to_tick;
		3225	}
		3226
		3227	cf::anim::invalidate_all; # d'oh
		3228	}
		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3264
2292	1	3265	1
2293	}	3266	}
2294		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	}
		3329
		3330	sub reload_treasures {
		3331	load_resource_file "$DATADIR/treasures"
		3332	or die "unable to load treasurelists\n";
		3333	}
		3334
2295	sub reload_resources {	3335	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3336	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3337
2298	load_faces	3338	reload_facedata;
2299	or die "unable to load faces\n";#d#	3339	reload_archetypes;
		3340	reload_regions;
		3341	reload_treasures;
		3342
		3343	warn "finished reloading resource files\n";
2300	}	3344	}
2301		3345
2302	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2303	reload_resources;	3351	reload_resources;
2304	}	3352	}
2305		3353
2306	sub cfg_load {	3354	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3356	or return;
2309		3357
2310	local $/;	3358	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2312		3360
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3362
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2322	};	3370	};
2323	warn $@ if $@;	3371	warn $@ if $@;
2324	}	3372	}
2325	}	3373	}
2326		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2327	sub main {	3394	sub main {
		3395	atomic;
		3396
2328	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3400	(async {
2332	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2334	};	3404	};
2335		3405
2336	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2337	db_init;	3409	db_init;
2338	load_extensions;	3410	load_extensions;
2339		3411
2340	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2341	Event::loop;	3420	EV::loop;
2342	}	3421	}
2343		3422
2344	#############################################################################	3423	#############################################################################
2345	# initialisation and cleanup	3424	# initialisation and cleanup
2346		3425
2347	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2348	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2357	},
2358	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2359	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2360	}	3513	}
2361		3514
2362	sub emergency_save() {	3515	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2364		3517
…		…
2370	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3529	$pl->save;
2376	}	3530	}
2377	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2378		3532
2379	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2385	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2386		3540
2387	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2390	};	3548	};
2391		3549
2392	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2393	}	3551	}
2394		3552
2395	sub post_cleanup {	3553	sub post_cleanup {
2396	my ($make_core) = @_;	3554	my ($make_core) = @_;
2397		3555
2398	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3557	if $make_core;
2400	}
2401		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
		3587	}
		3588
2402	sub reload() {	3589	sub do_reload_perl() {
2403	# can/must only be called in main	3590	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2406	return;	3593	return;
2407	}	3594	}
2408		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2409	warn "reloading...";	3599	warn "reloading...";
2410		3600
2411	warn "entering sync_job";	3601	warn "entering sync_job";
2412		3602
2413	cf::sync_job {	3603	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3605	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2417		3607
2418	warn "syncing database to disk";	3608	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3610
2421	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2422		3612
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3616	}
2459		3617
2460	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2462	}	3620	%EXT_CORO = ();
2463		3621
2464	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3631	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3632
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2475	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2476	}	3642	}
2477		3643
2478	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2479	}	3659	}
2480		3660
2481	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3664
2485	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2487		3668
2488	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3670	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2491		3672
2492	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2493		3674
2494	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2495	require cf;	3676	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3678
2498	warn "loading config and database again";	3679	warn "loading config and database again";
2499	cf::cfg_load;	3680	cf::reload_config;
2500		3681
2501	warn "loading extensions";	3682	warn "loading extensions";
2502	cf::load_extensions;	3683	cf::load_extensions;
2503		3684
2504	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2510		3691
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3692	warn "leaving sync_job";
2515		3693
2516	1	3694	1
2517	} or do {	3695	} or do {
2518	warn $@;	3696	warn $@;
2519	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3698	};
		3699
		3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
		3703	};
		3704
		3705	our $RELOAD_WATCHER; # used only during reload
		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
2521	};	3714	};
2522		3715	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3716
2528	register_command "reload" => sub {	3717	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2530		3719
2531	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2533		3722	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3724	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3725	};
2546	}	3726	}
2547	};	3727	};
2548		3728
2549	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2550		3730
2551	my $bug_warning = 0;	3731	my $bug_warning = 0;
2552		3732
2553	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3735
2556	prio => 0,	3736	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3738
2559	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2560	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2563	return;	3756	return;
2564	}	3757	}
2565		3758
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3760
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3765	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3767	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3768	}
2592	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
2593		3788
2594	{	3789	{
2595	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3791
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2605		3793	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3795
2621	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3803
2624	cf::sync_job {	3804	cf::sync_job {
2625	eval {	3805	eval {
2626	BDB::db_env_open	3806	BDB::db_env_open
2627	$DB_ENV,	3807	$DB_ENV,
2628	$BDB_ENV_DIR,	3808	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3811	0666;
2632		3812
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3814	};
2638		3815
2639	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3817	};
2641	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
2642	}	3829	}
2643		3830
2644	{	3831	{
		3832	# configure IO::AIO
		3833
2645	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3837	}
		3838
		3839	my $_log_backtrace;
		3840
		3841	sub _log_backtrace {
		3842	my ($msg, @addr) = @_;
		3843
		3844	$msg =~ s/\n//;
		3845
		3846	# limit the # of concurrent backtraces
		3847	if ($_log_backtrace < 2) {
		3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
		3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
		3853	my @bt = fork_call {
		3854	@addr = map { sprintf "%x", $_ } @addr;
		3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3857	or die "addr2line: $!";
		3858
		3859	my @funcs;
		3860	my @res = <$fh>;
		3861	chomp for @res;
		3862	while (@res) {
		3863	my ($func, $line) = splice @res, 0, 2, ();
		3864	push @funcs, "[$func] $line";
		3865	}
		3866
		3867	@funcs
		3868	};
		3869
		3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3872	LOG llevInfo, "[ABT] $_\n" for @bt;
		3873	--$_log_backtrace;
		3874	};
		3875	} else {
		3876	LOG llevInfo, "[ABT] $msg\n";
		3877	LOG llevInfo, "[ABT] [suppressed]\n";
		3878	}
		3879	}
		3880
		3881	# load additional modules
		3882	use cf::pod;
2658		3883
2659	END { cf::emergency_save }	3884	END { cf::emergency_save }
2660		3885
2661	1	3886	1
2662		3887

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