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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 1.450 by root, Mon Sep 22 01:33:09 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
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 ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
252		343
253	# wait for lock, if any	344	# wait for lock, if any
254	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	347	Coro::schedule;
…		…
262		353
263	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
264	lock_wait $key;	355	lock_wait $key;
265		356
266	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
267		359
268	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
271	}	364	}
272	}	365	}
273		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
274	sub freeze_mainloop {	373	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
276		375
277	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
279	};	437	}
280	$TICK_WATCHER->stop;	438	};
281	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
282	}	452	}
283		453
284	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
285		455
286	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		461
292	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
293		463
294	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
295		465
296	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
299		470
300	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
303	fast or be very important.	474	fast or be very important.
…		…
306		477
307	sub sync_job(&) {	478	sub sync_job(&) {
308	my ($job) = @_;	479	my ($job) = @_;
309		480
310	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
311	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
313		486
314	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	488
316	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
317		490
318	my $busy = 1;	491	my $busy = 1;
319	my @res;	492	my @res;
320		493
321	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	496	@res = eval { $job->() };
323	warn $@ if $@;	497	warn $@ if $@;
324	undef $busy;	498	undef $busy;
325	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
326		500
327	while ($busy) {	501	while ($busy) {
328	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
329	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
330		512
331	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
332	} else {	514	} else {
333	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
334		516
…		…
354	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
355		537
356	$coro	538	$coro
357	}	539	}
358		540
359	sub write_runtime {	541	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		542
362	my $runtime = cf::localdir . "/runtime";	543	Executes the given code block with the given arguments in a seperate
		544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
363		547
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
365	or return;
366		549
367	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		552
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
372	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
373		556
374	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	558	reset_signals;
376	and return;	559	&$cb
		560	}, @args;
377		561
378	close $fh	562	wantarray ? @res : $res[-1]
379	or return;	563	}
380		564
381	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
382	and return;
383		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
384	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
		717	}
		718
		719	=item cf::datalog type => key => value, ...
		720
		721	Log a datalog packet of the given type with the given key-value pairs.
		722
		723	=cut
		724
		725	sub datalog($@) {
		726	my ($type, %kv) = @_;
		727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	728	}
386		729
387	=back	730	=back
388		731
389	=cut	732	=cut
390		733
391	#############################################################################	734	#############################################################################
392		735
393	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
394		737
395	Many objects in crossfire are so-called attachable objects. That means you can	738	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")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
398		741
399	In the following description, CLASS can be any of C<global>, C<object>	742	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	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	744	Deliantra).
402		745
403	=over 4	746	=over 4
404		747
405	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
406		749
…		…
450	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
451		794
452	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
454		797
455	Some classes such as crossfire maps and objects can specify attachments	798	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.	799	that are attached at load/instantiate time, thus the need for a name.
457		800
458	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
459		802
460	=over 4	803	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
570		913
571	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		918
576	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	920	my $pkg = shift @arg;
578		921
579	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
609	}	952	}
610		953
611	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
612	} else {	955	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	957	}
615		958
616	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
617	}	960	}
618		961
…		…
620	if (ref $_[0]) {	963	if (ref $_[0]) {
621	_object_attach @_;	964	_object_attach @_;
622	} else {	965	} else {
623	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
624	}	967	}
		968	_recalc_want;
625	};	969	};
626		970
627	# all those should be optimised	971	# all those should be optimised
628	sub cf::attachable::detach {	972	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
633	reattach ($obj);	977	reattach ($obj);
634	} else {	978	} else {
635	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
636	}	980	}
		981	_recalc_want;
637	};	982	};
638		983
639	sub cf::attachable::attached {	984	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
641		986
…		…
656	";	1001	";
657	die if $@;	1002	die if $@;
658	}	1003	}
659		1004
660	our $override;	1005	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1007
663	sub override {	1008	sub override {
664	$override = 1;	1009	$override = 1;
665	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
666	}	1011	}
667		1012
668	sub do_invoke {	1013	sub do_invoke {
669	my $event = shift;	1014	my $event = shift;
670	my $callbacks = shift;	1015	my $callbacks = shift;
671		1016
672	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
673		1018
674	local $override;	1019	local $override;
675		1020
676	for (@$callbacks) {	1021	for (@$callbacks) {
677	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
686	}	1031	}
687		1032
688	0	1033	0
689	}	1034	}
690		1035
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1037
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1039
695	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
696		1041
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	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	1043	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1045
701	=back	1046	=back
702		1047
703	=cut	1048	=cut
704		1049
705	#############################################################################	1050	#############################################################################
706	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
707		1094
708	sub reattach {	1095	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1097	my ($obj) = @_;
711		1098
		1099	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1101
714	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
715		1103
716	@$registry = ();	1104	@$registry = ();
717		1105
…		…
732	cf::attachable->attach (	1120	cf::attachable->attach (
733	prio => -1000000,	1121	prio => -1000000,
734	on_instantiate => sub {	1122	on_instantiate => sub {
735	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
736		1124
737	$data = from_json $data;	1125	$data = decode_json $data;
738		1126
739	for (@$data) {	1127	for (@$data) {
740	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
741		1129
742	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1146	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
760		1148
761	sync_job {	1149	sync_job {
762	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
765		1154
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1159	aio_close $fh;
771		1160
772	if (@$objs) {	1161	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1167	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
780	}	1169	}
781	} else {	1170	} else {
782	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
783	}	1172	}
…		…
788	}	1177	}
789	} else {	1178	} else {
790	aio_unlink $filename;	1179	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
792	}	1181	}
793	}	1182	};
794	}	1183	}
795		1184
796	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
798		1187
…		…
810	or return;	1199	or return;
811		1200
812	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
814	or return;	1203	or return;
		1204
815	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
816	}	1207	}
817		1208
		1209	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
820	return ($data, $av);	1213	($data, $av)
821	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
822		1221
823	#############################################################################	1222	#############################################################################
824	# command handling &c	1223	# command handling &c
825		1224
826	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1239	}
841		1240
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1242
844	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
845		1248
846	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
847	called.	1250	called.
848		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
849	=cut	1263	=cut
850		1264
851	sub register_extcmd {	1265	sub register_extcmd {
852	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
853		1267
854	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
855	}	1275	}
856		1276
857	cf::player->attach (	1277	cf::player->attach (
858	on_command => sub {	1278	on_command => sub {
859	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1288	cf::override;
869	},	1289	},
870	on_extcmd => sub {	1290	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
872		1292
873	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1294
875	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
881	} else {	1310	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1312	}
884		1313
885	cf::override;	1314	cf::override;
886	},	1315	},
887	);	1316	);
888		1317
889	sub load_extension {
890	my ($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 {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
924	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1323	next unless -r $path;
926	eval {	1324
927	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
928	1	1381	}
929	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
930	}	1387	};
931	}	1388	}
932		1389
933	#############################################################################	1390	#############################################################################
934		1391
		1392	=back
		1393
935	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
936		1395
937	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
938		1397
939	=cut	1398	=cut
940		1399
941	package cf::player;	1400	package cf::player;
942		1401
…		…
944		1403
945	=head3 cf::player	1404	=head3 cf::player
946		1405
947	=over 4	1406	=over 4
948		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
949	=item cf::player::find $login	1422	=item cf::player::find $login
950		1423
951	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
952		1425
953	=cut	1426	=cut
954		1427
955	sub playerdir($) {	1428	sub playerdir($) {
956	cf::localdir	1429	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1431	}
962		1432
963	sub path($) {	1433	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1435
966	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
967	}	1437	}
968		1438
969	sub find_active($) {	1439	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1454	my $login = $_[0];
985		1455
986	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
987		1457
988	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1459	# rename old playerfiles to new ones
		1460	#TODO: remove when no longer required
		1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1464	aio_unlink +(playerdir $login) . "/$login.pl";
		1465
		1466	my $f = new_from_file cf::object::thawer path $login
990	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
992	}	1475	}
993	}	1476	}
994	}	1477	}
995		1478
…		…
1004	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1005		1488
1006	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1008		1491
		1492	cf::get_slot 0.01;
		1493
1009	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1010	Coro::cede;	1495	cf::cede_to_tick;
1011	}	1496	}
1012		1497
1013	sub new($) {	1498	sub new($) {
1014	my ($login) = @_;	1499	my ($login) = @_;
1015		1500
…		…
1021	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1022		1507
1023	$self	1508	$self
1024	}	1509	}
1025		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1026	=item $pl->quit_character	1521	=item $pl->quit_character
1027		1522
1028	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1030		1525
…		…
1034	my ($pl) = @_;	1529	my ($pl) = @_;
1035		1530
1036	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1037		1532
1038	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1535
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1045		1542
1046	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1078		1575
1079	=cut	1576	=cut
1080		1577
1081	sub list_logins {	1578	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1580	or return [];
1084		1581
1085	my @logins;	1582	my @logins;
1086		1583
1087	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1091		1594
1092	utf8::decode $login;	1595	utf8::decode $login;
1093	push @logins, $login;	1596	push @logins, $login;
1094	}	1597	}
1095		1598
…		…
1122	}	1625	}
1123		1626
1124	\@paths	1627	\@paths
1125	}	1628	}
1126		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1128		1635
1129	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1130		1637
1131	=cut	1638	=cut
1132		1639
1133	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1135		1642
1136	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1644	}
1140		1645
1141	package cf;	1646	=item $player->ext_msg ($type, @msg)
		1647
		1648	Sends an ext event to the client.
		1649
		1650	=cut
		1651
		1652	sub ext_msg($$@) {
		1653	my ($self, $type, @msg) = @_;
		1654
		1655	$self->ns->ext_msg ($type, @msg);
		1656	}
		1657
		1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1142		1686
1143	=back	1687	=back
1144
1145		1688
1146	=head3 cf::map	1689	=head3 cf::map
1147		1690
1148	=over 4	1691	=over 4
1149		1692
…		…
1161	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1163		1706
1164	sub generate_random_map {	1707	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1166	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1713	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1205		1751
1206	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1207	local $self->{path};	1753	local $self->{path};
1208	local $self->{load_path};	1754	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1755
1212	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1213	}	1757	}
1214		1758
1215	sub normalise {	1759	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1263	return $self;	1807	return $self;
1264	}	1808	}
1265	}	1809	}
1266		1810
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1812	()
1269	}	1813	}
1270		1814
1271	sub init {	1815	sub init {
1272	my ($self) = @_;	1816	my ($self) = @_;
…		…
1287		1831
1288	# the original (read-only) location	1832	# the original (read-only) location
1289	sub load_path {	1833	sub load_path {
1290	my ($self) = @_;	1834	my ($self) = @_;
1291		1835
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1293	}	1837	}
1294		1838
1295	# the temporary/swap location	1839	# the temporary/swap location
1296	sub save_path {	1840	sub save_path {
1297	my ($self) = @_;	1841	my ($self) = @_;
1298		1842
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1301	}	1845	}
1302		1846
1303	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1304	sub uniq_path {	1848	sub uniq_path {
1305	my ($self) = @_;	1849	my ($self) = @_;
1306		1850
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1309	}	1853	}
1310		1854
1311	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1312	# all maps in C++...	1856	# all maps in C++...
1313	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1315		1859
1316	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1318	}	1862	}
1319		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1320	sub unlink_save {	1872	sub unlink_save {
1321	my ($self) = @_;	1873	my ($self) = @_;
1322		1874
1323	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1879
1328	sub load_header_from($) {	1880	sub load_header_from($) {
1329	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1330		1882
1331	utf8::encode $path;	1883	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1337		1892
1338	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1339		1894
1340	1	1895	1
1341	}	1896	}
…		…
1380	$self->load_header_orig	1935	$self->load_header_orig
1381	or return;	1936	or return;
1382	$self->prepare_orig;	1937	$self->prepare_orig;
1383	}	1938	}
1384		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1385	1	1946	1
1386	}	1947	}
1387		1948
1388	sub find;	1949	sub find;
1389	sub find {	1950	sub find {
1390	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1391		1952
1392	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1393		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1395		1957
1396	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1397	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1398	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1399	or return;	1963	or return;
1400		1964
1401	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1402		1966
1403	$map->load_header	1967	$map->load_header
1404	or return;	1968	or return;
1405		1969
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1409	$map->reset;	1975	$map->reset;
1410	undef $guard;
1411	return find $path;	1976	return find $path;
1412	}	1977	}
1413		1978
1414	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1415	}	1980	}
…		…
1422	my ($self) = @_;	1987	my ($self) = @_;
1423		1988
1424	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1425		1990
1426	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1428		1995
		1996	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1998
1431	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1432		2000
1433	$self->alloc;	2001	$self->alloc;
1434		2002
1435	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1436		2005
1437	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1438	or return;	2009	or return;
1439		2010
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1441	if delete $self->{load_original};	2012	if delete $self->{load_original};
1442		2013
1443	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2015	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2018	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1448	}	2022	}
1449	}	2023	}
1450		2024
1451	Coro::cede;	2025	$f->resolve_delayed_derefs;
1452		2026
		2027	cf::cede_to_tick;
1453	# now do the right thing for maps	2028	# now do the right thing for maps
1454	$self->link_multipart_objects;	2029	$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)	2030	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2031	unless $self->difficulty;
1464	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1465	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2048	}
1467		2049
1468	$self->post_load;	2050	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2051	}
1472		2052
1473	sub customise_for {	2053	sub customise_for {
1474	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1475		2055
1476	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2057	if $self->per_player;
1478		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1479	$self	2062	$self
1480	}	2063	}
1481		2064
1482	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2066	sub load_neighbours {
1484	my ($map) = @_;	2067	my ($map) = @_;
1485		2068
1486	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1487		2070
1488	for (0 .. 3) {	2071	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1490	or next;	2073	or next;
1491	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1492	or next;	2075	or next;
1493	$neigh->load;	2076	$neigh->load;
1494		2077
		2078	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2081	}
1498		2082
1499	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1501	or next;	2086	or next;
1502	$neigh->load;	2087	$neigh->load;
1503	}	2088	}
1504	}	2089	}
1505		2090
…		…
1510	}	2095	}
1511		2096
1512	sub do_load_sync {	2097	sub do_load_sync {
1513	my ($map) = @_;	2098	my ($map) = @_;
1514		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1515	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1516	}	2104	}
1517		2105
1518	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1520		2108
1521	sub find_async {	2109	sub find_async {
1522	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1523		2111
1524	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1525		2113
1526	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2116	}
1529		2117
1530	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1531	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1532	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2125	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2126	$map->load if $v;
		2127	}
1537		2128
1538	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1539	}	2130	}
1540	}	2131	}
1541	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1542	};	2133	};
1543	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2137	}
1547		2138
1548	sub save {	2139	sub save {
1549	my ($self) = @_;	2140	my ($self) = @_;
1550		2141
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2143
1553	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1554		2145
1555	return unless $self->dirty;	2146	return unless $self->dirty;
1556		2147
…		…
1562	return if $self->{deny_save};	2153	return if $self->{deny_save};
1563		2154
1564	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1565		2156
1566	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1568	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1569		2163
1570	if ($uniq) {	2164	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2167	} else {
…		…
1579	my ($self) = @_;	2173	my ($self) = @_;
1580		2174
1581	# save first because save cedes	2175	# save first because save cedes
1582	$self->save;	2176	$self->save;
1583		2177
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2179
1586	return if $self->players;	2180	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2182	return if $self->{deny_save};
1589		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2188	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2189	}
1593		2190
1594	sub reset_at {	2191	sub reset_at {
1595	my ($self) = @_;	2192	my ($self) = @_;
1596		2193
1597	# TODO: safety, remove and allow resettable per-player maps	2194	# 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};	2195	return 1e99 if $self->{deny_reset};
1600		2196
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2199
…		…
1614	my ($self) = @_;	2210	my ($self) = @_;
1615		2211
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2213
1618	return if $self->players;	2214	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2215
1621	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1622		2217
1623	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1624		2219
1625	# need to save uniques path	2220	# need to save uniques path
1626	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2225	if $uniq;
1631	}	2226	}
1632		2227
1633	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1634		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2232	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2233
1639	$self->unlink_save;	2234	$self->unlink_save;
1640	$self->destroy;	2235	$self->destroy;
1641	}	2236	}
1642		2237
1643	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1644		2239
1645	sub nuke {	2240	sub nuke {
1646	my ($self) = @_;	2241	my ($self) = @_;
1647		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1648	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1649		2247
1650	$self->unlink_save;	2248	$self->unlink_save;
1651		2249
1652	bless $self, "cf::map";	2250	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2255
1658	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1659		2258
1660	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1661	}	2296	}
1662		2297
1663	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1664		2299
1665	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2301	instantiated unique items. May block.
1667		2302
1668	=cut	2303	=cut
1669		2304
1670	sub unique_maps() {	2305	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1672	or return;	2307	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2308	utf8::decode $_;
1678	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2311	? ()
1681	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2314	]
1683
1684	\@paths
1685	}	2315	}
1686
1687	package cf;
1688		2316
1689	=back	2317	=back
1690		2318
1691	=head3 cf::object	2319	=head3 cf::object
1692		2320
…		…
1696		2324
1697	=over 4	2325	=over 4
1698		2326
1699	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1700		2328
1701	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1702		2331
1703	=cut	2332	=cut
1704		2333
1705	sub inv_recursive_;	2334	sub inv_recursive_;
1706	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1709		2338
1710	sub inv_recursive {	2339	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1712	}	2341	}
1713		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1714	package cf;	2371	package cf;
1715		2372
1716	=back	2373	=back
1717		2374
1718	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	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	2382	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1727		2384
1728	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1729		2400
1730	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2402	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1735		2406
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2408
1738	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1740	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1743	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1744	}	2434	}
1745		2435
1746	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1747		2437
1748	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1761		2451
1762	=item $player_object->enter_link	2452	=item $player_object->enter_link
1763		2453
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2455
1766	The player should be reasonably safe there for short amounts of time. You	2456	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.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1768		2460
1769	Will never block.	2461	Will never block.
1770		2462
1771	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1772		2464
…		…
1795	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1796		2488
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2490
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1801		2493
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2495	}
1804		2496
1805	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1807		2501
1808	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1809		2503
1810	unless ($map) {	2504	unless ($map) {
1811	# restore original map position	2505	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1828		2522
1829	$map->load;	2523	$map->load;
1830	$map->load_diag;	2524	$map->load_neighbours;
1831		2525
1832	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1833	$self->activate_recursive;	2528	$self->activate_recursive;
1834		2529
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1837	}	2532	}
1838		2533
1839	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2535
1843	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1847	};	2540	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2541
1853	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1855	if ($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		2544
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1874		2548
1875	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2554
1878	$self->enter_link;	2555	$self->enter_link;
1879		2556
1880	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1881	my $map = eval {	2579	my $map = eval {
1882	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1884	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2595	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1889	})->prio (1);	2603	})->prio (1);
1890	}	2604	}
1891		2605
1892	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1893		2607
…		…
1913	}	2627	}
1914		2628
1915	sub prepare_random_map {	2629	sub prepare_random_map {
1916	my ($exit) = @_;	2630	my ($exit) = @_;
1917		2631
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2634	# that depends on the exit object
1923		2635
1924	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2638	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1931	}	2645	}
1932		2646
1933	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1934		2648
1935	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1938		2652
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2655	undef $fh;
1942	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1943		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1946	}	2664	}
1947	}	2665	}
1948		2666
1949	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1951		2669
1952	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1953		2671
1954	if ($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;	2672	$self->enter_link;
1964		2673
1965	(async {	2674	(async {
1966	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1967	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1968	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1969		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1970	1;	2698	1
1971	}) {	2699	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2704
1977	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2706	$self->leave_link;
1979	}	2707	}
1980	})->prio (1);	2708	})->prio (1);
…		…
1993		2721
1994	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1996		2724
1997	utf8::encode $text;	2725	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2727	}
2000		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
		2880	=item $client->ext_msg ($type, @msg)
		2881
		2882	Sends an ext event to the client.
		2883
		2884	=cut
		2885
		2886	sub cf::client::ext_msg($$@) {
		2887	my ($self, $type, @msg) = @_;
		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
		2892	push @msg, msgtype => "event_$type";
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
		2913	}
2001		2914
2002	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2003		2916
2004	Queues a query to the client, calling the given callback with	2917	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>,	2918	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>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2920
2008	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2922	become reliable at some point in the future.
2010		2923
2011	=cut	2924	=cut
2012		2925
2013	sub cf::client::query {	2926	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2935	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2937
2025	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2027	}	2942	}
2028		2943
2029	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2030	on_reply => sub {	2950	on_reply => sub {
2031	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2032		2952
2033	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2034	# get handled first	2954	# get handled first
…		…
2046	} else {	2966	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2968	}
2049	}	2969	}
2050	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2051	);	2997	);
2052		2998
2053	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2054		3000
2055	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2098		3044
2099	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2100		3046
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2102		3052
2103	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2104		3054
2105	=pod	3055	=pod
2106		3056
2107	The following fucntions and emthods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2108		3058
2109	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2110	cf::object::player player	3063	cf::object::player
2111	cf::player peaceful	3064	player
2112	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2113		3071
2114	=cut	3072	=cut
2115		3073
2116	for (	3074	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2118	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2121	) {	3081	) {
2122	no strict 'refs';	3082	no strict 'refs';
…		…
2193	=back	3153	=back
2194		3154
2195	=cut	3155	=cut
2196		3156
2197	#############################################################################	3157	#############################################################################
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 $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3158	# the server's init and main functions
2271		3159
2272	sub load_faces {	3160	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3161	my ($path) = @_;
2274		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
2275	warn "loading faces from $path\n";	3169	warn "loading facedata from $path\n";
2276		3170
2277	my $faces;	3171	my $facedata;
2278	0 < aio_load $path, $faces	3172	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3173	or die "$path: $!";
2280		3174
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3175	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3176
		3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
		3187	{
		3188	my $faces = $facedata->{faceinfo};
		3189
2285	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	while (my ($face, $info) = each %$faces) {
		3202	next unless $info->{smooth};
		3203
		3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
2290	}	3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3263
2292	1	3264	1
2293	}	3265	}
2294		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
		3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
2295	sub reload_resources {	3334	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3335	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3336
2298	load_faces	3337	reload_facedata;
2299	or die "unable to load faces\n";#d#	3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
2300	}	3343	}
2301		3344
2302	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2303	reload_resources;	3350	reload_resources;
2304	}	3351	}
2305		3352
2306	sub cfg_load {	3353	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3355	or return;
2309		3356
2310	local $/;	3357	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2312		3359
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3361
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$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};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2322	};	3369	};
2323	warn $@ if $@;	3370	warn $@ if $@;
2324	}	3371	}
2325	}	3372	}
2326		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2327	sub main {	3393	sub main {
		3394	atomic;
		3395
2328	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3399	(async {
2332	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2334	};	3403	};
2335		3404
2336	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2337	db_init;	3408	db_init;
2338	load_extensions;	3409	load_extensions;
2339		3410
2340	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2341	Event::loop;	3419	EV::loop;
2342	}	3420	}
2343		3421
2344	#############################################################################	3422	#############################################################################
2345	# initialisation and cleanup	3423	# initialisation and cleanup
2346		3424
2347	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2348	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3429	$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";	3430	cf::cleanup "SIG$signal";
2357	},
2358	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2359	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2360	}	3512	}
2361		3513
2362	sub emergency_save() {	3514	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2364		3516
…		…
2370	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3528	$pl->save;
2376	}	3529	}
2377	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2378		3531
2379	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2385	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2386		3539
2387	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2390	};	3547	};
2391		3548
2392	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2393	}	3550	}
2394		3551
2395	sub post_cleanup {	3552	sub post_cleanup {
2396	my ($make_core) = @_;	3553	my ($make_core) = @_;
2397		3554
2398	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3556	if $make_core;
2400	}
2401		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
		3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
		3589
2402	sub reload() {	3590	sub do_reload_perl() {
2403	# can/must only be called in main	3591	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2406	return;	3594	return;
2407	}	3595	}
2408		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2409	warn "reloading...";	3600	warn "reloading...";
2410		3601
2411	warn "entering sync_job";	3602	warn "entering sync_job";
2412		3603
2413	cf::sync_job {	3604	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3606	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2417		3608
2418	warn "syncing database to disk";	3609	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3611
2421	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2422		3613
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";	3614	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;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3616	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	}	3617	}
2459		3618
2460	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2462	}	3621	%EXT_CORO = ();
2463		3622
2464	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3632	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3633
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2475	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2476	}	3643	}
2477		3644
2478	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2479	}	3660	}
2480		3661
2481	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3665
2485	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2487		3669
2488	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3671	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2491		3673
2492	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2493		3675
2494	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2495	require cf;	3677	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3679
2498	warn "loading config and database again";	3680	warn "loading config and database again";
2499	cf::cfg_load;	3681	cf::reload_config;
2500		3682
2501	warn "loading extensions";	3683	warn "loading extensions";
2502	cf::load_extensions;	3684	cf::load_extensions;
2503		3685
2504	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2510		3692
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3693	warn "leaving sync_job";
2515		3694
2516	1	3695	1
2517	} or do {	3696	} or do {
2518	warn $@;	3697	warn $@;
2519	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3699	};
		3700
		3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
		3704	};
		3705
		3706	our $RELOAD_WATCHER; # used only during reload
		3707
		3708	sub reload_perl() {
		3709	# doing reload synchronously and two reloads happen back-to-back,
		3710	# coro crashes during coro_state_free->destroy here.
		3711
		3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3713	do_reload_perl;
		3714	undef $RELOAD_WATCHER;
2521	};	3715	};
2522		3716	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3717
2528	register_command "reload" => sub {	3718	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2530		3720
2531	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
2533		3723	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3724	$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;	3725	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3726	};
2546	}	3727	}
2547	};	3728	};
2548		3729
2549	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2550		3731
2551	my $bug_warning = 0;	3732	my $bug_warning = 0;
2552		3733
2553	$TICK_WATCHER = Event->timer (	3734	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3735	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3736
2556	prio => 0,	3737	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3739
2559	cb => sub {	3740	my $signal = new Coro::Signal;
		3741	push @WAIT_FOR_TICK, $signal;
		3742	$signal->wait;
		3743	}
		3744
		3745	sub wait_for_tick_begin {
		3746	return if tick_inhibit || $Coro::current == $Coro::main;
		3747
		3748	my $signal = new Coro::Signal;
		3749	push @WAIT_FOR_TICK_BEGIN, $signal;
		3750	$signal->wait;
		3751	}
		3752
		3753	sub tick {
2560	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2563	return;	3757	return;
2564	}	3758	}
2565		3759
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3761
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3766	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3768	};
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	},	3769	}
2592	);	3770
		3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3772	$sig->send;
		3773	}
		3774	while (my $sig = shift @WAIT_FOR_TICK) {
		3775	$sig->send;
		3776	}
		3777
		3778	$LOAD = ($NOW - $TICK_START) / $TICK;
		3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3780
		3781	if (0) {
		3782	if ($NEXT_TICK) {
		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
		3787	}
		3788	}
2593		3789
2594	{	3790	{
2595	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3792
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;	3793	BDB::min_parallel 8;
2605		3794	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3795	$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		3796
2621	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3804
2624	cf::sync_job {	3805	cf::sync_job {
2625	eval {	3806	eval {
2626	BDB::db_env_open	3807	BDB::db_env_open
2627	$DB_ENV,	3808	$DB_ENV,
2628	$BDB_ENV_DIR,	3809	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3812	0666;
2632		3813
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3814	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	};	3815	};
2638		3816
2639	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3818	};
2641	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2642	}	3830	}
2643		3831
2644	{	3832	{
		3833	# configure IO::AIO
		3834
2645	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3837	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	}	3838	}
		3839
		3840	my $_log_backtrace;
		3841
		3842	sub _log_backtrace {
		3843	my ($msg, @addr) = @_;
		3844
		3845	$msg =~ s/\n//;
		3846
		3847	# limit the # of concurrent backtraces
		3848	if ($_log_backtrace < 2) {
		3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2658		3884
2659	END { cf::emergency_save }	3885	END { cf::emergency_save }
2660		3886
2661	1	3887	1
2662		3888

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