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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 2009 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 qw(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
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		79
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
		84
		85	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
		88	our %EXT_CORO = (); # coroutines bound to extensions
		89	our %EXT_MAP = (); # pluggable maps
39		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	92	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		93
43	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	95	our $DATADIR = datadir;
		96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	112	our $NEXT_TICK;
46	our $NOW;	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
		117	our $BDB_TRICKLE_WATCHER;
		118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
47		121
48	our %CFG;	122	our %CFG;
49		123
50	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
52		127
53	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	130	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		131
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	132	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
61		144
62	binmode STDOUT;	145	binmode STDOUT;
63	binmode STDERR;	146	binmode STDERR;
64		147
65	# read virtual server time, if available	148	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
70	}	153	}
71		154
72	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		156
78	# a special map that is always available	157	mkdir $_
79	our $LINK_MAP;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		159
80	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
		161
		162	sub cf::map::normalise;
81		163
82	#############################################################################	164	#############################################################################
83		165
84	=head2 GLOBAL VARIABLES	166	=head2 GLOBAL VARIABLES
85		167
…		…
92	=item $cf::RUNTIME	174	=item $cf::RUNTIME
93		175
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	177	every server tick.
96		178
97	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		182
99	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
101		187
102	=item $cf::NOW	188	=item $cf::NOW
103		189
104	The time of the last (current) server tick.	190	The time of the last (current) server tick.
105		191
106	=item $cf::TICK	192	=item $cf::TICK
107		193
108	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
109		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
110	=item %cf::CFG	206	=item %cf::CFG
111		207
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	209	from wherever your confdir points to.
114		210
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		212
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
121		222
122	=back	223	=back
123		224
124	=cut	225	=cut
125		226
126	BEGIN {	227	$Coro::State::WARNHOOK = sub {
127	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	228	my $msg = join "", @_;
129	utf8::encode $msg;
130		229
131	$msg .= "\n"	230	$msg .= "\n"
132	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
133		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
134	LOG llevError, $msg;	235	LOG llevError, $msg;
135	};	236	};
136	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	Coro::terminate
		250	};
137		251
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	256	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		257	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	258	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		259
145	# we bless all objects into (empty) derived classes to force a method lookup	260	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	261	# within the Safe compartment.
147	for my $pkg (qw(	262	for my $pkg (qw(
148	cf::global cf::attachable	263	cf::global cf::attachable
149	cf::object cf::object::player	264	cf::object cf::object::player
150	cf::client cf::player	265	cf::client cf::player
151	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
152	cf::map cf::party cf::region	268	cf::party cf::region
153	)) {	269	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	271	}
157		272
158	$Event::DIED = sub {	273	$EV::DIED = sub {
159	warn "error in event callback: @_";	274	warn "error in event callback: @_";
160	};	275	};
161		276
162	my %ext_pkg;	277	#############################################################################
163	my @exts;
164	my @hook;
165		278
166	=head2 UTILITY FUNCTIONS	279	=head2 UTILITY FUNCTIONS
167		280
168	=over 4	281	=over 4
169		282
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	302	$d
190	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
191	}	304	}
192		305
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
196		307
197	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
198		309
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
207		311
208	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
209		313
210	=cut	314	=cut
211		315
212	sub to_json($) {	316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	317
214	JSON::Syck::Dump $_[0]	318	sub encode_json($) { $json_coder->encode ($_[0]) }
		319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
215	}	333	}
216		334
217	=item cf::lock_wait $string	335	=item cf::lock_wait $string
218		336
219	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
220		338
221	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
222		340
223	Wait until the given lock is available and then acquires it and returns	341	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
226	returned.	344	returned.
227		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
228	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
230		351
231	=cut	352	=item $locked = cf::lock_active $string
232		353
233	our %LOCK;	354	Return true if the lock is currently active, i.e. somebody has locked it.
		355
		356	=cut
		357
		358	our $LOCKS = new Coro::SemaphoreSet;
234		359
235	sub lock_wait($) {	360	sub lock_wait($) {
236	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	362	}
244		363
245	sub lock_acquire($) {	364	sub lock_acquire($) {
246	my ($key) = @_;	365	$LOCKS->guard ($_[0])
		366	}
247		367
248	# wait, to be sure we are not locked	368	sub lock_active($) {
249	lock_wait $key;	369	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	370	}
258		371
259	sub freeze_mainloop {	372	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
261		374
262	my $guard = Coro::guard { $TICK_WATCHER->start };	375	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	376	}
264	$guard	377
		378	=item cf::periodic $interval, $cb
		379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
		391	}
		392
		393	=item cf::get_slot $time[, $priority[, $name]]
		394
		395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		396	This call blocks and returns only when you have at least C<$time> seconds
		397	of cpu time till the next tick. The slot is only valid till the next cede.
		398
		399	The optional C<$name> can be used to identify the job to run. It might be
		400	used for statistical purposes and should identify the same time-class.
		401
		402	Useful for short background jobs.
		403
		404	=cut
		405
		406	our @SLOT_QUEUE;
		407	our $SLOT_QUEUE;
		408
		409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
		413	my $signal = new Coro::Signal;
		414
		415	while () {
		416	next_job:
		417	my $avail = cf::till_tick;
		418	if ($avail > 0.01) {
		419	for (0 .. $#SLOT_QUEUE) {
		420	if ($SLOT_QUEUE[$_][0] < $avail) {
		421	my $job = splice @SLOT_QUEUE, $_, 1, ();
		422	$job->[2]->send;
		423	Coro::cede;
		424	goto next_job;
		425	}
		426	}
		427	}
		428
		429	if (@SLOT_QUEUE) {
		430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		431	push @cf::WAIT_FOR_TICK, $signal;
		432	$signal->wait;
		433	} else {
		434	Coro::schedule;
		435	}
		436	}
		437	};
		438
		439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
		442	my ($time, $pri, $name) = @_;
		443
		444	$time = $TICK * .6 if $time > $TICK * .6;
		445	my $sig = new Coro::Signal;
		446
		447	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		448	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		449	$SLOT_QUEUE->ready;
		450	$sig->wait;
265	}	451	}
266		452
267	=item cf::async { BLOCK }	453	=item cf::async { BLOCK }
268		454
269	Currently the same as Coro::async_pool, meaning you cannot use	455	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		460
275	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
276		462
277	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
278		464
279	The design of crossfire+ requires that the main coro ($Coro::main) is	465	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	466	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		468	acceptable.
282		469
283	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	472	server will be frozen during this time, so the block should either finish
286	fast or be very important.	473	fast or be very important.
…		…
289		476
290	sub sync_job(&) {	477	sub sync_job(&) {
291	my ($job) = @_;	478	my ($job) = @_;
292		479
293	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
		481	my $time = EV::time;
		482
294	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
296		485
297	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	487
299	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
300		489
301	my $busy = 1;	490	my $busy = 1;
302	my @res;	491	my @res;
303		492
304	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	495	@res = eval { $job->() };
306	warn $@ if $@;	496	warn $@ if $@;
307	undef $busy;	497	undef $busy;
308	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
309		499
310	while ($busy) {	500	while ($busy) {
311	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
312	}	505	}
		506	}
		507
		508	my $time = EV::time - $time;
		509
		510	$TICK_START += $time; # do not account sync jobs to server load
313		511
314	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
315	} else {	513	} else {
316	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
317		515
…		…
319	}	517	}
320	}	518	}
321		519
322	=item $coro = cf::async_ext { BLOCK }	520	=item $coro = cf::async_ext { BLOCK }
323		521
324	Like async, but this coro is automcatially being canceled when the	522	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	523	extension calling this is being unloaded.
326		524
327	=cut	525	=cut
328		526
329	sub async_ext(&) {	527	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	535	$EXT_CORO{$coro+0} = $coro;
338		536
339	$coro	537	$coro
340	}	538	}
341		539
342	sub write_runtime {	540	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		541
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	Executes the given code block with the given arguments in a seperate
346	or return;	543	process, returning the results. Everything must be serialisable with
		544	Coro::Storable. May, of course, block. Note that the executed sub may
		545	never block itself or use any form of event handling.
347		546
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	547	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		548
352	aio_fsync $fh	549	sub fork_call(&@) {
353	and return;	550	my ($cb, @args) = @_;
354		551
355	close $fh	552	# we seemingly have to make a local copy of the whole thing,
356	or return;	553	# otherwise perl prematurely frees the stuff :/
		554	# TODO: investigate and fix (likely this will be rather laborious)
357		555
358	aio_rename "$runtime~", $runtime	556	my @res = Coro::Util::fork_eval {
359	and return;	557	reset_signals;
		558	&$cb
		559	}, @args;
360		560
		561	wantarray ? @res : $res[-1]
		562	}
		563
		564	=item $coin = coin_from_name $name
		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
		590
		591	=item $value = cf::db_get $family => $key
		592
		593	Returns a single value from the environment database.
		594
		595	=item cf::db_put $family => $key => $value
		596
		597	Stores the given C<$value> in the family. It can currently store binary
		598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
		605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
		623
		624	our $DB;
		625
		626	sub db_init {
		627	cf::sync_job {
		628	$DB ||= db_table "db";
		629	};
		630	}
		631
		632	sub db_get($$) {
		633	my $key = "$_[0]/$_[1]";
		634
		635	cf::sync_job {
		636	BDB::db_get $DB, undef, $key, my $data;
		637
		638	$! ? ()
		639	: $data
361	1	640	}
		641	}
		642
		643	sub db_put($$$) {
		644	BDB::dbreq_pri 4;
		645	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		646	}
		647
		648	=item cf::cache $id => [$paths...], $processversion => $process
		649
		650	Generic caching function that returns the value of the resource $id,
		651	caching and regenerating as required.
		652
		653	This function can block.
		654
		655	=cut
		656
		657	sub cache {
		658	my ($id, $src, $processversion, $process) = @_;
		659
		660	my $meta =
		661	join "\x00",
		662	$processversion,
		663	map {
		664	aio_stat $_
		665	and Carp::croak "$_: $!";
		666
		667	($_, (stat _)[7,9])
		668	} @$src;
		669
		670	my $dbmeta = db_get cache => "$id/meta";
		671	if ($dbmeta ne $meta) {
		672	# changed, we may need to process
		673
		674	my @data;
		675	my $md5;
		676
		677	for (0 .. $#$src) {
		678	0 <= aio_load $src->[$_], $data[$_]
		679	or Carp::croak "$src->[$_]: $!";
		680	}
		681
		682	# if processing is expensive, check
		683	# checksum first
		684	if (1) {
		685	$md5 =
		686	join "\x00",
		687	$processversion,
		688	map {
		689	cf::cede_to_tick;
		690	($src->[$_], Digest::MD5::md5_hex $data[$_])
		691	} 0.. $#$src;
		692
		693
		694	my $dbmd5 = db_get cache => "$id/md5";
		695	if ($dbmd5 eq $md5) {
		696	db_put cache => "$id/meta", $meta;
		697
		698	return db_get cache => "$id/data";
		699	}
		700	}
		701
		702	my $t1 = Time::HiRes::time;
		703	my $data = $process->(\@data);
		704	my $t2 = Time::HiRes::time;
		705
		706	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		707
		708	db_put cache => "$id/data", $data;
		709	db_put cache => "$id/md5" , $md5;
		710	db_put cache => "$id/meta", $meta;
		711
		712	return $data;
		713	}
		714
		715	db_get cache => "$id/data"
		716	}
		717
		718	=item cf::datalog type => key => value, ...
		719
		720	Log a datalog packet of the given type with the given key-value pairs.
		721
		722	=cut
		723
		724	sub datalog($@) {
		725	my ($type, %kv) = @_;
		726	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	727	}
363		728
364	=back	729	=back
365		730
366	=cut	731	=cut
367		732
368	#############################################################################	733	#############################################################################
369		734
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494
495	#############################################################################
496
497	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
498		736
499	Many objects in crossfire are so-called attachable objects. That means you can	737	Many objects in deliantra are so-called attachable objects. That means you can
500	attach callbacks/event handlers (a collection of which is called an "attachment")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
502		740
503	In the following description, CLASS can be any of C<global>, C<object>	741	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	743	Deliantra).
506		744
507	=over 4	745	=over 4
508		746
509	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
510		748
…		…
554	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
555		793
556	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
557	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
558		796
559	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
560	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
561		799
562	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
563		801
564	=over 4	802	=over 4
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	862	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	863	our @CB_MAP = ();
626		864
627	my %attachment;	865	my %attachment;
628		866
		867	sub cf::attachable::thawer_merge {
		868	# simply override everything except _meta
		869	local $_[0]{_meta};
		870	%{$_[0]} = %{$_[1]};
		871	}
		872
629	sub _attach_cb($$$$) {	873	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	874	my ($registry, $event, $prio, $cb) = @_;
631		875
632	use sort 'stable';	876	use sort 'stable';
633		877
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	911	$registry = $CB_TYPE[$object_type] ||= [];
668		912
669	} elsif ($type eq "subtype") {	913	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	914	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	915	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	916	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		917
674	} elsif ($type eq "package") {	918	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	919	my $pkg = shift @arg;
676		920
677	while (my ($name, $id) = each %cb_id) {	921	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	950	_attach $registry, $klass, @attach;
707	}	951	}
708		952
709	$obj->{$name} = \%arg;	953	$obj->{$name} = \%arg;
710	} else {	954	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	955	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	956	}
713		957
714	$obj->{_attachment}{$name} = undef;	958	$obj->{_attachment}{$name} = undef;
715	}	959	}
716		960
…		…
718	if (ref $_[0]) {	962	if (ref $_[0]) {
719	_object_attach @_;	963	_object_attach @_;
720	} else {	964	} else {
721	_attach shift->_attach_registry, @_;	965	_attach shift->_attach_registry, @_;
722	}	966	}
		967	_recalc_want;
723	};	968	};
724		969
725	# all those should be optimised	970	# all those should be optimised
726	sub cf::attachable::detach {	971	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	972	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	975	delete $obj->{_attachment}{$name};
731	reattach ($obj);	976	reattach ($obj);
732	} else {	977	} else {
733	Carp::croak "cannot, currently, detach class attachments";	978	Carp::croak "cannot, currently, detach class attachments";
734	}	979	}
		980	_recalc_want;
735	};	981	};
736		982
737	sub cf::attachable::attached {	983	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	984	my ($obj, $name) = @_;
739		985
…		…
754	";	1000	";
755	die if $@;	1001	die if $@;
756	}	1002	}
757		1003
758	our $override;	1004	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1005	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		1006
761	sub override {	1007	sub override {
762	$override = 1;	1008	$override = 1;
763	@invoke_results = ();	1009	@INVOKE_RESULTS = (@_);
764	}	1010	}
765		1011
766	sub do_invoke {	1012	sub do_invoke {
767	my $event = shift;	1013	my $event = shift;
768	my $callbacks = shift;	1014	my $callbacks = shift;
769		1015
770	@invoke_results = ();	1016	@INVOKE_RESULTS = ();
771		1017
772	local $override;	1018	local $override;
773		1019
774	for (@$callbacks) {	1020	for (@$callbacks) {
775	eval { &{$_->[1]} };	1021	eval { &{$_->[1]} };
…		…
784	}	1030	}
785		1031
786	0	1032	0
787	}	1033	}
788		1034
789	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790		1036
791	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792		1038
793	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
794		1040
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1041	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	1042	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	1043	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		1044
799	=back	1045	=back
800		1046
801	=cut	1047	=cut
802		1048
803	#############################################################################	1049	#############################################################################
804	# object support	1050	# object support
		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
		1085	sub _can_merge {
		1086	my ($ob1, $ob2) = @_;
		1087
		1088	++$SLOW_MERGES;#d#
		1089
		1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
		1092	}
805		1093
806	sub reattach {	1094	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	1096	my ($obj) = @_;
		1097
		1098	# no longer needed after getting rid of delete_package?
		1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		1100
810	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
811		1102
812	@$registry = ();	1103	@$registry = ();
813		1104
…		…
828	cf::attachable->attach (	1119	cf::attachable->attach (
829	prio => -1000000,	1120	prio => -1000000,
830	on_instantiate => sub {	1121	on_instantiate => sub {
831	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
832		1123
833	$data = from_json $data;	1124	$data = decode_json $data;
834		1125
835	for (@$data) {	1126	for (@$data) {
836	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
837		1128
838	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
854	sub object_freezer_save {	1145	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
856		1147
857	sync_job {	1148	sync_job {
858	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
861		1153
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1157	if ($cf::USE_FSYNC) {
		1158	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
865	aio_fsync $fh;	1159	aio_fsync $fh;
		1160	}
866	close $fh;	1161	aio_close $fh;
867		1162
868	if (@$objs) {	1163	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
		1168	if ($cf::USE_FSYNC) {
		1169	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
873	aio_fsync $fh;	1170	aio_fsync $fh;
		1171	}
874	close $fh;	1172	aio_close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
876	}	1174	}
877	} else {	1175	} else {
878	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
879	}	1177	}
880		1178
881	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
882	} else {	1183	} else {
883	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
884	}	1185	}
885	} else {	1186	} else {
886	aio_unlink $filename;	1187	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
888	}	1189	}
889	}	1190	};
890	}	1191	}
891		1192
892	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
894		1195
…		…
906	or return;	1207	or return;
907		1208
908	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
910	or return;	1211	or return;
		1212
911	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
912	}	1215	}
913		1216
		1217	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1219	$decname, length $data, scalar @{$av || []};
		1220
916	return ($data, $av);	1221	($data, $av)
917	}	1222	}
		1223
		1224	=head2 COMMAND CALLBACKS
		1225
		1226	=over 4
		1227
		1228	=cut
918		1229
919	#############################################################################	1230	#############################################################################
920	# command handling &c	1231	# command handling &c
921		1232
922	=item cf::register_command $name => \&callback($ob,$args);	1233	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1246	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1247	}
937		1248
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1249	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1250
940	Register a callbackf ro execution when the client sends an extcmd packet.	1251	Register a callback for execution when the client sends an (synchronous)
		1252	extcmd packet. Ext commands will be processed in the order they are
		1253	received by the server, like other user commands. The first argument is
		1254	the logged-in player. Ext commands can only be processed after a player
		1255	has logged in successfully.
941		1256
942	If the callback returns something, it is sent back as if reply was being	1257	If the callback returns something, it is sent back as if reply was being
943	called.	1258	called.
944		1259
		1260	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1261
		1262	Register a callback for execution when the client sends an (asynchronous)
		1263	exticmd packet. Exti commands are processed by the server as soon as they
		1264	are received, i.e. out of order w.r.t. other commands. The first argument
		1265	is a client socket. Exti commands can be received anytime, even before
		1266	log-in.
		1267
		1268	If the callback returns something, it is sent back as if reply was being
		1269	called.
		1270
945	=cut	1271	=cut
946		1272
947	sub register_extcmd {	1273	sub register_extcmd {
948	my ($name, $cb) = @_;	1274	my ($name, $cb) = @_;
949		1275
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1276	$EXTCMD{$name} = $cb;
954	}	1277	}
		1278
		1279	sub register_exticmd {
		1280	my ($name, $cb) = @_;
		1281
		1282	$EXTICMD{$name} = $cb;
		1283	}
		1284
		1285	use File::Glob ();
955		1286
956	cf::player->attach (	1287	cf::player->attach (
957	on_command => sub {	1288	on_command => sub {
958	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
959		1290
…		…
967	cf::override;	1298	cf::override;
968	},	1299	},
969	on_extcmd => sub {	1300	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1301	my ($pl, $buf) = @_;
971		1302
972	my $msg = eval { from_json $buf };	1303	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1304
974	if (ref $msg) {	1305	if (ref $msg) {
		1306	my ($type, $reply, @payload) =
		1307	"ARRAY" eq ref $msg
		1308	? @$msg
		1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1310
		1311	my @reply;
		1312
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1313	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1314	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
980	} else {	1320	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1322	}
983		1323
984	cf::override;	1324	cf::override;
985	},	1325	},
986	);	1326	);
987		1327
988	sub register {	1328	# "readahead" all extensions
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	1329	sub cache_extensions {
995	my ($path) = @_;	1330	my $grp = IO::AIO::aio_group;
996		1331
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
998	my $base = $1;	1333	for (grep /\.ext$/, @{$_[0]}) {
999	my $pkg = $1;	1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}	1335	}
1047	}	1336	};
1048		1337
1049	# remove extcmds	1338	$grp
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	1339	}
1063		1340
1064	sub load_extensions {	1341	sub load_extensions {
		1342	cf::sync_job {
		1343	my %todo;
		1344
1065	for my $ext (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1346	next unless -r $path;
1067	eval {	1347
1068	load_extension $ext;	1348	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1349	my $base = $1;
		1350	my $pkg = $1;
		1351	$pkg =~ s/[^[:word:]]/_/g;
		1352	$pkg = "ext::$pkg";
		1353
		1354	open my $fh, "<:utf8", $path
		1355	or die "$path: $!";
		1356
		1357	my $source = do { local $/; <$fh> };
		1358
		1359	my %ext = (
		1360	path => $path,
		1361	base => $base,
		1362	pkg => $pkg,
		1363	);
		1364
		1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1367
		1368	$ext{source} =
		1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1370	. "#line 1 \"$path\"\n{\n"
		1371	. $source
		1372	. "\n};\n1";
		1373
		1374	$todo{$base} = \%ext;
		1375	}
		1376
		1377	my %done;
		1378	while (%todo) {
		1379	my $progress;
		1380
		1381	while (my ($k, $v) = each %todo) {
		1382	for (split /,\s*/, $v->{meta}{depends}) {
		1383	goto skip
		1384	unless exists $done{$_};
		1385	}
		1386
		1387	warn "... loading '$k' into '$v->{pkg}'\n";
		1388
		1389	unless (eval $v->{source}) {
		1390	my $msg = $@ ? "$v->{path}: $@\n"
		1391	: "$v->{base}: extension inactive.\n";
		1392
		1393	if (exists $v->{meta}{mandatory}) {
		1394	warn $msg;
		1395	cf::cleanup "mandatory extension failed to load, exiting.";
		1396	}
		1397
		1398	warn $msg;
		1399	}
		1400
		1401	$done{$k} = delete $todo{$k};
		1402	push @EXTS, $v->{pkg};
		1403	$progress = 1;
1069	1	1404	}
1070	} or warn "$ext not loaded: $@";	1405
		1406	skip:
		1407	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1408	unless $progress;
		1409	}
1071	}	1410	};
1072	}	1411	}
1073		1412
1074	#############################################################################	1413	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1414
1077	*cf::mapsupport::on_clean = sub {	1415	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1416
1090	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1091		1418
1092	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1093		1420
1094	=cut	1421	=cut
1095		1422
1096	package cf::player;	1423	package cf::player;
1097		1424
…		…
1099		1426
1100	=head3 cf::player	1427	=head3 cf::player
1101		1428
1102	=over 4	1429	=over 4
1103		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
		1444
1104	=item cf::player::find $login	1445	=item cf::player::find $login
1105		1446
1106	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
1107		1448
1108	=cut	1449	=cut
1109		1450
1110	sub playerdir($) {	1451	sub playerdir($) {
1111	cf::localdir	1452	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1453	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1454	}
1117		1455
1118	sub path($) {	1456	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1457	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1458
1121	(playerdir $login) . "/$login.pl"	1459	(playerdir $login) . "/playerdata"
1122	}	1460	}
1123		1461
1124	sub find_active($) {	1462	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1463	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1464	and $cf::PLAYER{$_[0]}->active
…		…
1129		1467
1130	sub exists($) {	1468	sub exists($) {
1131	my ($login) = @_;	1469	my ($login) = @_;
1132		1470
1133	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1472	or !aio_stat path $login
1135	}	1473	}
1136		1474
1137	sub find($) {	1475	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1477	my $login = $_[0];
1140		1478
1141	my $guard = cf::lock_acquire "user_find:$login";	1479	my $guard = cf::lock_acquire "user_find:$login";
1142		1480
1143	$cf::PLAYER{$_[0]} || do {	1481	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1482	# rename old playerfiles to new ones
		1483	#TODO: remove when no longer required
		1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1487	aio_unlink +(playerdir $login) . "/$login.pl";
		1488
		1489	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1147	}	1498	}
1148	}	1499	}
1149	}	1500	}
1150		1501
…		…
1159	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1160		1511
1161	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1163		1514
		1515	cf::get_slot 0.01;
		1516
1164	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1165	Coro::cede;	1518	cf::cede_to_tick;
1166	}	1519	}
1167		1520
1168	sub new($) {	1521	sub new($) {
1169	my ($login) = @_;	1522	my ($login) = @_;
1170		1523
…		…
1176	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1177		1530
1178	$self	1531	$self
1179	}	1532	}
1180		1533
		1534	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1535
		1536	=cut
		1537
		1538	sub send_msg {
		1539	my $ns = shift->ns
		1540	or return;
		1541	$ns->send_msg (@_);
		1542	}
		1543
1181	=item $pl->quit_character	1544	=item $pl->quit_character
1182		1545
1183	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1185		1548
1186	=cut	1549	=cut
1187		1550
1188	sub quit_character {	1551	sub quit_character {
1189	my ($pl) = @_;	1552	my ($pl) = @_;
1190		1553
		1554	my $name = $pl->ob->name;
		1555
1191	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1193		1558
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1196	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1197	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1198		1565
1199	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1568	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1569	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1570	$pl->destroy;
		1571
		1572	my $prefix = qr<^~\Q$name\E/>;
		1573
		1574	# nuke player maps
		1575	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1576
1204	IO::AIO::aio_rmtree $temp;	1577	IO::AIO::aio_rmtree $temp;
		1578	}
		1579
		1580	=item $pl->kick
		1581
		1582	Kicks a player out of the game. This destroys the connection.
		1583
		1584	=cut
		1585
		1586	sub kick {
		1587	my ($pl, $kicker) = @_;
		1588
		1589	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1590	$pl->killer ("kicked");
		1591	$pl->ns->destroy;
1205	}	1592	}
1206		1593
1207	=item cf::player::list_logins	1594	=item cf::player::list_logins
1208		1595
1209	Returns am arrayref of all valid playernames in the system, can take a	1596	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1597	while and may block, so not sync_job-capable, ever.
1211		1598
1212	=cut	1599	=cut
1213		1600
1214	sub list_logins {	1601	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1602	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1603	or return [];
1217		1604
1218	my @logins;	1605	my @logins;
1219		1606
1220	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1224		1617
1225	utf8::decode $login;	1618	utf8::decode $login;
1226	push @logins, $login;	1619	push @logins, $login;
1227	}	1620	}
1228		1621
1229	\@logins	1622	\@logins
1230	}	1623	}
1231		1624
1232	=item $player->maps	1625	=item $player->maps
1233		1626
1234	Returns an arrayref of cf::path's of all maps that are private for this	1627	Returns an arrayref of map paths that are private for this
1235	player. May block.	1628	player. May block.
1236		1629
1237	=cut	1630	=cut
1238		1631
1239	sub maps($) {	1632	sub maps($) {
1240	my ($pl) = @_;	1633	my ($pl) = @_;
		1634
		1635	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1636
1242	my $files = aio_readdir playerdir $pl	1637	my $files = aio_readdir playerdir $pl
1243	or return;	1638	or return;
1244		1639
1245	my @paths;	1640	my @paths;
…		…
1247	for (@$files) {	1642	for (@$files) {
1248	utf8::decode $_;	1643	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1644	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1645	next unless /^$PATH_SEP/o;
1251		1646
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1647	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1648	}
1254		1649
1255	\@paths	1650	\@paths
1256	}	1651	}
1257		1652
		1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1654
		1655	Expand deliantra pod fragments into protocol xml.
		1656
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1259		1658
1260	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1261		1660
1262	=cut	1661	=cut
1263		1662
1264	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1266		1665
1267	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1667	}
1271		1668
1272	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1273		1709
1274	=back	1710	=back
1275
1276		1711
1277	=head3 cf::map	1712	=head3 cf::map
1278		1713
1279	=over 4	1714	=over 4
1280		1715
…		…
1283	package cf::map;	1718	package cf::map;
1284		1719
1285	use Fcntl;	1720	use Fcntl;
1286	use Coro::AIO;	1721	use Coro::AIO;
1287		1722
		1723	use overload
		1724	'""' => \&as_string,
		1725	fallback => 1;
		1726
1288	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1290		1729
1291	sub generate_random_map {	1730	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1293		1734
1294	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1736	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1740	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1741	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1742	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1743	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1744	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1745	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1746	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1747	(cf::region::find $rmp->{region}), $rmp->{custom}
		1748	)
1308	}	1749	}
1309		1750
1310	# and all this just because we cannot iterate over	1751	=item cf::map->register ($regex, $prio)
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;
1314		1752
1315	$_->change_map_light ($change)	1753	Register a handler for the map path matching the given regex at the
1316	for grep $_->outdoor, values %cf::MAP;	1754	givne priority (higher is better, built-in handlers have priority 0, the
1317	}	1755	default).
1318		1756
1319	sub try_load_header($) {	1757	=cut
		1758
		1759	sub register {
		1760	my (undef, $regex, $prio) = @_;
		1761	my $pkg = caller;
		1762
		1763	no strict;
		1764	push @{"$pkg\::ISA"}, __PACKAGE__;
		1765
		1766	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1767	}
		1768
		1769	# also paths starting with '/'
		1770	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1771
		1772	sub thawer_merge {
		1773	my ($self, $merge) = @_;
		1774
		1775	# we have to keep some variables in memory intact
		1776	local $self->{path};
		1777	local $self->{load_path};
		1778
		1779	$self->SUPER::thawer_merge ($merge);
		1780	}
		1781
		1782	sub normalise {
1320	my ($path) = @_;	1783	my ($path, $base) = @_;
		1784
		1785	$path = "$path"; # make sure its a string
		1786
		1787	$path =~ s/\.map$//;
		1788
		1789	# map plan:
		1790	#
		1791	# /! non-realised random map exit (special hack!)
		1792	# {... are special paths that are not being touched
		1793	# ?xxx/... are special absolute paths
		1794	# ?random/... random maps
		1795	# /... normal maps
		1796	# ~user/... per-player map of a specific user
		1797
		1798	$path =~ s/$PATH_SEP/\//go;
		1799
		1800	# treat it as relative path if it starts with
		1801	# something that looks reasonable
		1802	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1803	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1804
		1805	$base =~ s{[^/]+/?$}{};
		1806	$path = "$base/$path";
		1807	}
		1808
		1809	for ($path) {
		1810	redo if s{//}{/};
		1811	redo if s{/\.?/}{/};
		1812	redo if s{/[^/]+/\.\./}{/};
		1813	}
		1814
		1815	$path
		1816	}
		1817
		1818	sub new_from_path {
		1819	my (undef, $path, $base) = @_;
		1820
		1821	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1822
		1823	$path = normalise $path, $base;
		1824
		1825	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1826	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1827	my $self = bless cf::map::new, $pkg;
		1828	$self->{path} = $path; $self->path ($path);
		1829	$self->init; # pass $1 etc.
		1830	return $self;
		1831	}
		1832	}
		1833
		1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1835	()
		1836	}
		1837
		1838	sub init {
		1839	my ($self) = @_;
		1840
		1841	$self
		1842	}
		1843
		1844	sub as_string {
		1845	my ($self) = @_;
		1846
		1847	"$self->{path}"
		1848	}
		1849
		1850	# the displayed name, this is a one way mapping
		1851	sub visible_name {
		1852	&as_string
		1853	}
		1854
		1855	# the original (read-only) location
		1856	sub load_path {
		1857	my ($self) = @_;
		1858
		1859	"$MAPDIR/$self->{path}.map"
		1860	}
		1861
		1862	# the temporary/swap location
		1863	sub save_path {
		1864	my ($self) = @_;
		1865
		1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1867	"$TMPDIR/$path.map"
		1868	}
		1869
		1870	# the unique path, undef == no special unique path
		1871	sub uniq_path {
		1872	my ($self) = @_;
		1873
		1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1875	"$UNIQUEDIR/$path"
		1876	}
		1877
		1878	sub decay_objects {
		1879	my ($self) = @_;
		1880
		1881	return if $self->{deny_reset};
		1882
		1883	$self->do_decay_objects;
		1884	}
		1885
		1886	sub unlink_save {
		1887	my ($self) = @_;
		1888
		1889	utf8::encode (my $save = $self->save_path);
		1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1891	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1892	}
		1893
		1894	sub load_header_from($) {
		1895	my ($self, $path) = @_;
1321		1896
1322	utf8::encode $path;	1897	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1324	or return;	1899	or return;
1325		1900
1326	my $map = cf::map::new	1901	$self->_load_header ($f)
1327	or return;	1902	or return;
1328		1903
1329	# for better error messages only, will be overwritten	1904	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1905	$f->resolve_delayed_derefs;
1331		1906
1332	$map->load_header ($path)	1907	$self->{load_path} = $path;
		1908
		1909	1
		1910	}
		1911
		1912	sub load_header_orig {
		1913	my ($self) = @_;
		1914
		1915	$self->load_header_from ($self->load_path)
		1916	}
		1917
		1918	sub load_header_temp {
		1919	my ($self) = @_;
		1920
		1921	$self->load_header_from ($self->save_path)
		1922	}
		1923
		1924	sub prepare_temp {
		1925	my ($self) = @_;
		1926
		1927	$self->last_access ((delete $self->{last_access})
		1928	|| $cf::RUNTIME); #d#
		1929	# safety
		1930	$self->{instantiate_time} = $cf::RUNTIME
		1931	if $self->{instantiate_time} > $cf::RUNTIME;
		1932	}
		1933
		1934	sub prepare_orig {
		1935	my ($self) = @_;
		1936
		1937	$self->{load_original} = 1;
		1938	$self->{instantiate_time} = $cf::RUNTIME;
		1939	$self->last_access ($cf::RUNTIME);
		1940	$self->instantiate;
		1941	}
		1942
		1943	sub load_header {
		1944	my ($self) = @_;
		1945
		1946	if ($self->load_header_temp) {
		1947	$self->prepare_temp;
		1948	} else {
		1949	$self->load_header_orig
1333	or return;	1950	or return;
		1951	$self->prepare_orig;
		1952	}
1334		1953
1335	$map->{load_path} = $path;	1954	$self->{deny_reset} = 1
		1955	if $self->no_reset;
1336		1956
1337	$map	1957	$self->default_region (cf::region::find_by_path $self->{path})
		1958	unless $self->default_region;
		1959
		1960	1
1338	}	1961	}
1339		1962
1340	sub find;	1963	sub find;
1341	sub find {	1964	sub find {
1342	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1343		1966
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1968
1349	cf::lock_wait "map_find:$key";	1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1350
1351	$cf::MAP{$key} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1353		1971
1354	# do it the slow way	1972	$cf::MAP{$path} || do {
1355	my $map = try_load_header $path->save_path;	1973	my $map = new_from_path cf::map $path
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1974	or return;
1373		1975
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1386		1977
1387	Coro::cede;	1978	$map->load_header
		1979	or return;
1388		1980
1389	if ($map->should_reset) {	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1982	# doing this can freeze the server in a sync job, obviously
		1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1390	$map->reset;	1986	$map->reset;
1391	undef $guard;
1392	$map = find $path	1987	return find $path;
1393	or return;
1394	}	1988	}
1395		1989
1396	$cf::MAP{$key} = $map	1990	$cf::MAP{$path} = $map
1397	}	1991	}
1398	}	1992	}
		1993
		1994	sub pre_load { }
		1995	sub post_load { }
1399		1996
1400	sub load {	1997	sub load {
1401	my ($self) = @_;	1998	my ($self) = @_;
1402		1999
		2000	local $self->{deny_reset} = 1; # loading can take a long time
		2001
1403	my $path = $self->{path};	2002	my $path = $self->{path};
		2003
		2004	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2005	my $guard = cf::lock_acquire "map_data:$path";
1405		2006
		2007	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2009
1408	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1409		2011
1410	$self->alloc;	2012	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	2013
		2014	$self->pre_load;
		2015	cf::cede_to_tick;
		2016
		2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
		2019	$self->_load_objects ($f)
1412	or return;	2020	or return;
1413		2021
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1415	if delete $self->{load_original};	2023	if delete $self->{load_original};
1416		2024
1417	if (my $uniq = $path->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	2026	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	2029	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1422	}	2033	}
1423	}	2034	}
1424		2035
1425	Coro::cede;	2036	$f->resolve_delayed_derefs;
1426		2037
		2038	cf::cede_to_tick;
1427	# now do the right thing for maps	2039	# now do the right thing for maps
1428	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	2042	unless $self->difficulty;
		2043	cf::cede_to_tick;
		2044
		2045	unless ($self->{deny_activate}) {
		2046	$self->decay_objects;
		2047	$self->fix_auto_apply;
		2048	$self->update_buttons;
		2049	cf::cede_to_tick;
1440	$self->activate;	2050	$self->activate;
1441	}	2051	}
1442		2052
1443	Coro::cede;	2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
1444		2055
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
		2057	}
		2058
		2059	$self->post_load;
		2060	}
		2061
		2062	sub customise_for {
		2063	my ($self, $ob) = @_;
		2064
		2065	return find "~" . $ob->name . "/" . $self->{path}
		2066	if $self->per_player;
		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
		2071	$self
1446	}	2072	}
1447		2073
1448	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	2075	sub load_neighbours {
1450	my ($map) = @_;	2076	my ($map) = @_;
1451		2077
1452	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1453		2079
1454	for (0 .. 3) {	2080	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1456	or next;	2082	or next;
1457	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1458	or next;	2084	or next;
1459	$neigh->load;	2085	$neigh->load;
1460		2086
		2087	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2090	}
1464		2091
1465	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1467	or next;	2095	or next;
1468	$neigh->load;	2096	$neigh->load;
1469	}	2097	}
1470	}	2098	}
1471		2099
…		…
1476	}	2104	}
1477		2105
1478	sub do_load_sync {	2106	sub do_load_sync {
1479	my ($map) = @_;	2107	my ($map) = @_;
1480		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1481	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1482	}	2113	}
1483		2114
1484	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
		2116	our $MAP_PREFETCHER = undef;
		2117
		2118	sub find_async {
		2119	my ($path, $origin, $load) = @_;
		2120
		2121	$path = normalise $path, $origin && $origin->{path};
		2122
		2123	if (my $map = $cf::MAP{$path}) {
		2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2125	}
		2126
		2127	$MAP_PREFETCH{$path} |= $load;
		2128
1485	our $MAP_PREFETCHER = Coro::async {	2129	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2130	$Coro::current->{desc} = "map prefetcher";
		2131
1487	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2134	if (my $map = find $k) {
		2135	$map->load if $v;
		2136	}
		2137
1490	my $path = delete $MAP_PREFETCH{$key};	2138	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2139	}
1496	Coro::schedule;	2140	}
		2141	undef $MAP_PREFETCHER;
1497	}	2142	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2143	$MAP_PREFETCHER->prio (6);
1512		2144
1513	()	2145	()
1514	}	2146	}
1515		2147
1516	sub save {	2148	sub save {
1517	my ($self) = @_;	2149	my ($self) = @_;
1518		2150
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2152
1521	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1522		2154
1523	return unless $self->dirty;	2155	return unless $self->dirty;
1524		2156
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2157	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2158	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2159
1528	$self->{load_path} = $save;	2160	$self->{load_path} = $save;
1529		2161
1530	return if $self->{deny_save};	2162	return if $self->{deny_save};
1531		2163
1532	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1533		2165
1534	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1535	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1536	};	2169	};
1537		2170
		2171	cf::get_slot 0.02;
		2172
1538	if ($uniq) {	2173	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2176	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2178	}
1544	}	2179	}
1545		2180
1546	sub swap_out {	2181	sub swap_out {
1547	my ($self) = @_;	2182	my ($self) = @_;
1548		2183
1549	# save first because save cedes	2184	# save first because save cedes
1550	$self->save;	2185	$self->save;
1551		2186
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2188
1554	return if $self->players;	2189	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1556	return if $self->{deny_save};	2191	return if $self->{deny_save};
1557		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1558	$self->clear;	2197	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2198	}
1561		2199
1562	sub reset_at {	2200	sub reset_at {
1563	my ($self) = @_;	2201	my ($self) = @_;
1564		2202
1565	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1568		2205
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2208
…		…
1576	my ($self) = @_;	2213	my ($self) = @_;
1577		2214
1578	$self->reset_at <= $cf::RUNTIME	2215	$self->reset_at <= $cf::RUNTIME
1579	}	2216	}
1580		2217
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2218	sub reset {
1603	my ($self) = @_;	2219	my ($self) = @_;
1604		2220
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2222
1607	return if $self->players;	2223	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2224
1610	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
		2226
		2227	$self->in_memory (cf::MAP_SWAPPED);
		2228
		2229	# need to save uniques path
		2230	unless ($self->{deny_save}) {
		2231	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2232
		2233	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2234	if $uniq;
		2235	}
1611		2236
1612	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1613		2238
		2239	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2240	$_->clear_links_to ($self) for values %cf::MAP;
		2241	$self->clear;
1615		2242
1616	$self->unlink_save;	2243	$self->unlink_save;
1617	$self->destroy;	2244	$self->destroy;
1618	}	2245	}
1619		2246
1620	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1621		2248
1622	sub nuke {	2249	sub nuke {
1623	my ($self) = @_;	2250	my ($self) = @_;
1624		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
		2255	delete $cf::MAP{$self->path};
		2256
		2257	$self->unlink_save;
		2258
		2259	bless $self, "cf::map";
		2260	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2264
		2265	$cf::MAP{$self->path} = $self;
		2266	}
		2267
1628	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
1629	}	2269	}
1630		2270
1631	sub customise_for {	2271	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2272
1634	if ($map->per_player) {	2273	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
1636	}	2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
1637		2288
1638	$map	2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1639	}	2305	}
1640		2306
1641	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1642		2308
1643	Returns an arrayref of cf::path's of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2310	instantiated unique items. May block.
1645		2311
1646	=cut	2312	=cut
1647		2313
1648	sub unique_maps() {	2314	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1650	or return;	2316	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2317	utf8::decode $_;
1656	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1657	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658		2320	? ()
1659	push @paths, new cf::path $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2323	]
1661
1662	\@paths
1663	}	2324	}
1664
1665	package cf;
1666		2325
1667	=back	2326	=back
1668		2327
1669	=head3 cf::object	2328	=head3 cf::object
1670		2329
…		…
1674		2333
1675	=over 4	2334	=over 4
1676		2335
1677	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1678		2337
1679	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1680		2340
1681	=cut	2341	=cut
1682		2342
1683	sub inv_recursive_;	2343	sub inv_recursive_;
1684	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1687		2347
1688	sub inv_recursive {	2348	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1690	}	2350	}
1691		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1692	package cf;	2380	package cf;
1693		2381
1694	=back	2382	=back
1695		2383
1696	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1703	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1704	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1705		2393
1706	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1707		2409
1708	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1709	# with dialog boxes.	2411	# with dialog boxes.
1710	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1711	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1713		2415
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2417
1716	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1718	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1721	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1722	}	2443	}
1723		2444
1724	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1725		2446
1726	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1739		2460
1740	=item $player_object->enter_link	2461	=item $player_object->enter_link
1741		2462
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2464
1744	The player should be reaosnably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1745	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
		2469
		2470	Will never block.
1746		2471
1747	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1748		2473
1749	Moves the player out of the specila link map onto the given map. If the	2474	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2475	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2476	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2477	fails, to the emergency map position.
1753		2478
1754	Might block.	2479	Might block.
1755		2480
1756	=cut	2481	=cut
		2482
		2483	sub link_map {
		2484	unless ($LINK_MAP) {
		2485	$LINK_MAP = cf::map::find "{link}"
		2486	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2487	$LINK_MAP->load;
		2488	}
		2489
		2490	$LINK_MAP
		2491	}
1757		2492
1758	sub cf::object::player::enter_link {	2493	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2494	my ($self) = @_;
1760		2495
1761	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1762		2497
1763	return if $self->map == $LINK_MAP;	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2499
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1767		2502
1768	$self->enter_map ($LINK_MAP, 20, 20);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2504	}
1770		2505
1771	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1773		2510
1774	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1775		2512
1776	unless ($map) {	2513	unless ($map) {
1777	# restore original map position	2514	# restore original map position
…		…
1791	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1794		2531
1795	$map->load;	2532	$map->load;
1796	$map->load_diag;	2533	$map->load_neighbours;
1797		2534
1798	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536
		2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
1799	$self->activate_recursive;	2541	$self->activate_recursive;
1800	$self->enter_map ($map, $x, $y);
1801	}	2542	}
1802		2543
1803	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2545
1807	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1811	};	2550	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2551
1817	# try to abort aborted map switching on player login :)	2552	Note that $check will be called with a potentially non-loaded map, so if
1818	# should happen only on crashes	2553	it needs a loaded map it has to call C<< ->load >>.
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834		2554
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2555	=cut
		2556
		2557	our $GOTOGEN;
1838		2558
1839	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2560	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2561
1842	$path = new cf::path $path;	2562	# do generation counting so two concurrent goto's will be executed in-order
		2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2564
1844	$self->enter_link;	2565	$self->enter_link;
1845		2566
1846	(async {	2567	(async {
1847	my $map = cf::map::find $path->as_string;	2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
		2589	my $map = eval {
		2590	my $map = defined $path ? cf::map::find $path : undef;
		2591
		2592	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2593	$map = $map->customise_for ($self);
1849		2594	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2595	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2597	}
1854		2598
		2599	$map
		2600	};
		2601
		2602	if ($@) {
		2603	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	LOG llevError | logBacktrace, Carp::longmess $@;
		2605	}
		2606
		2607	if ($gen == $self->{_goto_generation}) {
		2608	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2609	$self->leave_link ($map, $x, $y);
		2610	}
		2611
		2612	$done->() if $done;
1856	})->prio (1);	2613	})->prio (1);
1857	}	2614	}
1858		2615
1859	=item $player_object->enter_exit ($exit_object)	2616	=item $player_object->enter_exit ($exit_object)
1860		2617
…		…
1862		2619
1863	sub parse_random_map_params {	2620	sub parse_random_map_params {
1864	my ($spec) = @_;	2621	my ($spec) = @_;
1865		2622
1866	my $rmp = { # defaults	2623	my $rmp = { # defaults
1867	xsize => 10,	2624	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2625	ysize => (cf::rndm 15, 40),
		2626	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2627	#layout => string,
1869	};	2628	};
1870		2629
1871	for (split /\n/, $spec) {	2630	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2631	my ($k, $v) = split /\s+/, $_, 2;
1873		2632
…		…
1885	# that depends on the exit object	2644	# that depends on the exit object
1886		2645
1887	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
1888		2647
1889	if ($exit->map) {	2648	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2649	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
1894	}	2655	}
1895		2656
1896	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
1897		2658
1898	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
		2661	my $meta = "$RANDOMDIR/$md5.meta";
1900		2662
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
		2665	undef $fh;
		2666	aio_rename "$meta~", $meta;
1903		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
1904	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
1906	}	2674	}
1907	}	2675	}
1908		2676
1909	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
…		…
1912	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
1913		2681
1914	$self->enter_link;	2682	$self->enter_link;
1915		2683
1916	(async {	2684	(async {
1917	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
1918	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
1919	prepare_random_map $exit	2694	prepare_random_map $exit
1920	if $exit->slaying eq "/!";	2695	if $exit->slaying eq "/!";
		2696	}
1921		2697
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
1924		2701
		2702	$self->goto ($map, $x, $y);
		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
1925	1;	2708	1
1926	}) {	2709	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
1928	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2714
1932	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2716	$self->leave_link;
1934	}	2717	}
1935	})->prio (1);	2718	})->prio (1);
…		…
1948		2731
1949	sub cf::client::send_drawinfo {	2732	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2733	my ($self, $text, $flags) = @_;
1951		2734
1952	utf8::encode $text;	2735	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2736	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2737	}
1955		2738
		2739	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2740
		2741	Send a drawinfo or msg packet to the client, formatting the msg for the
		2742	client if neccessary. C<$type> should be a string identifying the type of
		2743	the message, with C<log> being the default. If C<$color> is negative, suppress
		2744	the message unless the client supports the msg packet.
		2745
		2746	=cut
		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
		2850	sub cf::client::send_msg {
		2851	my ($self, $channel, $msg, $color, @extra) = @_;
		2852
		2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
		2855
		2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
		2865	} elsif (ref $channel) {
		2866	# send meta info to client, if not yet sent
		2867	unless (exists $self->{channel}{$channel->{id}}) {
		2868	$self->{channel}{$channel->{id}} = $channel;
		2869	$self->ext_msg (channel_info => $channel);
		2870	}
		2871
		2872	$channel = $channel->{id};
		2873	}
		2874
		2875	return unless @extra || length $msg;
		2876
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
		2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2884	);
		2885
		2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
		2889
		2890	# split very large packets
		2891	if (8192 < length $pkt and $self->{can_lzf}) {
		2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2893	$pkt = "frag";
		2894	}
		2895
		2896	$self->send_packet ($pkt);
		2897	}
		2898
		2899	=item $client->ext_msg ($type, @msg)
		2900
		2901	Sends an ext event to the client.
		2902
		2903	=cut
		2904
		2905	sub cf::client::ext_msg($$@) {
		2906	my ($self, $type, @msg) = @_;
		2907
		2908	if ($self->extcmd == 2) {
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2910	} elsif ($self->extcmd == 1) { # TODO: remove
		2911	push @msg, msgtype => "event_$type";
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
1956		2933
1957	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
1958		2935
1959	Queues a query to the client, calling the given callback with	2936	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2937	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2938	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		2939
1963	Queries can fail, so check the return code. Or don't, as queries will become	2940	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	2941	become reliable at some point in the future.
1965		2942
1966	=cut	2943	=cut
1967		2944
1968	sub cf::client::query {	2945	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	2946	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	2954	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2955	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		2956
1980	$self->send_packet ($self->{query_queue}[0][0])	2957	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	2958	if @{ $self->{query_queue} } == 1;
		2959
		2960	1
1982	}	2961	}
1983		2962
1984	cf::client->attach (	2963	cf::client->attach (
		2964	on_connect => sub {
		2965	my ($ns) = @_;
		2966
		2967	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2968	},
1985	on_reply => sub {	2969	on_reply => sub {
1986	my ($ns, $msg) = @_;	2970	my ($ns, $msg) = @_;
1987		2971
1988	# this weird shuffling is so that direct followup queries	2972	# this weird shuffling is so that direct followup queries
1989	# get handled first	2973	# get handled first
1990	my $queue = delete $ns->{query_queue}	2974	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2975	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2976
1993	(shift @$queue)->[1]->($msg);	2977	(shift @$queue)->[1]->($msg);
		2978	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2979
1995	push @{ $ns->{query_queue} }, @$queue;	2980	push @{ $ns->{query_queue} }, @$queue;
1996		2981
1997	if (@{ $ns->{query_queue} } == @$queue) {	2982	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2983	if (@$queue) {
…		…
2000	} else {	2985	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2986	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	2987	}
2003	}	2988	}
2004	},	2989	},
		2990	on_exticmd => sub {
		2991	my ($ns, $buf) = @_;
		2992
		2993	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2994
		2995	if (ref $msg) {
		2996	my ($type, $reply, @payload) =
		2997	"ARRAY" eq ref $msg
		2998	? @$msg
		2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3000
		3001	my @reply;
		3002
		3003	if (my $cb = $EXTICMD{$type}) {
		3004	@reply = $cb->($ns, @payload);
		3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
		3010	} else {
		3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3012	}
		3013
		3014	cf::override;
		3015	},
2005	);	3016	);
2006		3017
2007	=item $client->async (\&cb)	3018	=item $client->async (\&cb)
2008		3019
2009	Create a new coroutine, running the specified callback. The coroutine will	3020	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2052		3063
2053	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2054		3065
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3066	$safe->permit_only (Opcode::opset qw(
		3067	:base_core :base_mem :base_orig :base_math
		3068	grepstart grepwhile mapstart mapwhile
		3069	sort time
		3070	));
2056		3071
2057	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2058		3073
2059	=pod	3074	=pod
2060		3075
2061	The following fucntions and emthods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2062		3077
2063	cf::object contr pay_amount pay_player map	3078	cf::object
		3079	contr pay_amount pay_player map x y force_find force_add destroy
		3080	insert remove name archname title slaying race decrease split
		3081	value
		3082
2064	cf::object::player player	3083	cf::object::player
2065	cf::player peaceful	3084	player
2066	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2067		3091
2068	=cut	3092	=cut
2069		3093
2070	for (	3094	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp value msg lore send_msg)],
2072	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2074	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2075	) {	3101	) {
2076	no strict 'refs';	3102	no strict 'refs';
2077	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2078	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2095	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2096		3122
2097	my $qcode = $code;	3123	my $qcode = $code;
2098	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2099	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2100		3128
2101	local $_;	3129	local $_;
2102	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2103		3131
2104	my $eval =	3132	my $eval =
…		…
2147	=back	3175	=back
2148		3176
2149	=cut	3177	=cut
2150		3178
2151	#############################################################################	3179	#############################################################################
		3180	# the server's init and main functions
2152		3181
2153	=head2 EXTENSION DATABASE SUPPORT	3182	sub load_facedata($) {
		3183	my ($path) = @_;
2154		3184
2155	Crossfire maintains a very simple database for extension use. It can	3185	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3186	# for this (global event?)
2157	excludes objects.	3187	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3188
2159	The parameter C<$family> should best start with the name of the extension	3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3190
2162	=over 4	3191	warn "loading facedata from $path\n";
2163		3192
2164	=item $hashref = cf::db_get $family	3193	my $facedata;
		3194	0 < aio_load $path, $facedata
		3195	or die "$path: $!";
2165		3196
2166	Return a hashref for use by the extension C<$family>, which can be	3197	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3198
2170	=item $value = cf::db_get $family => $key	3199	$facedata->{version} == 2
		3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3201
2172	Returns a single value from the database	3202	# patch in the exptable
2173		3203	$facedata->{resource}{"res/exp_table"} = {
2174	=item cf::db_put $family => $hashref	3204	type => FT_RSRC,
2175		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3206	};
		3207	cf::cede_to_tick;
2225		3208
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3209	{
		3210	my $faces = $facedata->{faceinfo};
2230		3211
2231	sub db_get($;$) {	3212	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		3214
2237	sub db_put($$;$) {	3215	cf::face::set_visibility $idx, $info->{visibility};
2238	if (@_ >= 3) {	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2239	$DB->{$_[0]}{$_[1]} = $_[2];	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2240	} else {	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		3219
2246	cf::global->attach (	3220	cf::cede_to_tick;
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3221	}
2251	);
2252	}
2253		3222
2254	#############################################################################	3223	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3224	next unless $info->{smooth};
2256		3225
2257	sub cfg_load {	3226	my $idx = cf::face::find $face
		3227	or next;
		3228
		3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3232	} else {
		3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3234	}
		3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
		3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
		3286	1
		3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
		3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	load_resource_file "$MAPDIR/regions"
		3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
		3339	}
		3340
		3341	sub reload_facedata {
		3342	load_facedata "$DATADIR/facedata"
		3343	or die "unable to load facedata\n";
		3344	}
		3345
		3346	sub reload_archetypes {
		3347	load_resource_file "$DATADIR/archetypes"
		3348	or die "unable to load archetypes\n";
		3349	}
		3350
		3351	sub reload_treasures {
		3352	load_resource_file "$DATADIR/treasures"
		3353	or die "unable to load treasurelists\n";
		3354	}
		3355
		3356	sub reload_resources {
		3357	warn "reloading resource files...\n";
		3358
		3359	reload_facedata;
		3360	reload_archetypes;
		3361	reload_regions;
		3362	reload_treasures;
		3363
		3364	warn "finished reloading resource files\n";
		3365	}
		3366
		3367	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3369	or return;
2260		3370
2261	local $/;	3371	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2263		3373
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3375
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2273	};	3383	};
2274	warn $@ if $@;	3384	warn $@ if $@;
2275	}	3385	}
2276	}	3386	}
2277		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
2278	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2279	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	async { Event::one_event };	3434	(async {
		3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
		3437	})->prio (Coro::PRIO_MAX);
2283	};	3438	};
2284		3439
2285	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
2286	db_load;	3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
		3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
2287	load_extensions;	3458	load_extensions;
2288	Event::loop;	3459
		3460	utime time, time, $RUNTIMEFILE;
		3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
2289	}	3470	}
2290		3471
2291	#############################################################################	3472	#############################################################################
2292	# initialisation and cleanup	3473	# initialisation and cleanup
2293		3474
2294	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2295	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
2296	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
2302	},
2303	);	3481	};
		3482	}
		3483	}
		3484
		3485	sub write_runtime_sync {
		3486	# first touch the runtime file to show we are still running:
		3487	# the fsync below can take a very very long time.
		3488
		3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3490
		3491	my $guard = cf::lock_acquire "write_runtime";
		3492
		3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3494	or return;
		3495
		3496	my $value = $cf::RUNTIME + 90 + 10;
		3497	# 10 is the runtime save interval, for a monotonic clock
		3498	# 60 allows for the watchdog to kill the server.
		3499
		3500	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3501	and return;
		3502
		3503	# always fsync - this file is important
		3504	aio_fsync $fh
		3505	and return;
		3506
		3507	# touch it again to show we are up-to-date
		3508	aio_utime $fh, undef, undef;
		3509
		3510	close $fh
		3511	or return;
		3512
		3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3514	and return;
		3515
		3516	warn "runtime file written.\n";
		3517
2304	}	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
2305	}	3569	}
2306		3570
2307	sub emergency_save() {	3571	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
2309		3573
2310	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
2311		3575
2312	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
2313	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
2317	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3590	$pl->save;
2321	}	3591	}
2322	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
2323		3593
2324	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
2325	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
2326	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3597	$map->valid or next;
2328	$map->save;	3598	$map->save;
2329	}	3599	}
2330	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
		3601
		3602	warn "emergency_perl_save: begin database checkpoint\n";
		3603	BDB::db_env_txn_checkpoint $DB_ENV;
		3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
2331	};	3609	};
2332		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
2333	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
2334	}	3617	}
2335		3618
		3619	sub post_cleanup {
		3620	my ($make_core) = @_;
		3621
		3622	warn Carp::longmess "post_cleanup backtrace"
		3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
		3653	}
		3654
2336	sub reload() {	3655	sub do_reload_perl() {
2337	# can/must only be called in main	3656	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3658	warn "can only reload from main coroutine";
2340	return;	3659	return;
2341	}	3660	}
2342		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
2343	warn "reloading...";	3667	warn "reloading...";
2344		3668
2345	my $guard = freeze_mainloop;	3669	warn "entering sync_job";
		3670
		3671	cf::sync_job {
		3672	cf::write_runtime_sync; # external watchdog should not bark
2346	cf::emergency_save;	3673	cf::emergency_save;
		3674	cf::write_runtime_sync; # external watchdog should not bark
2347		3675
2348	eval {	3676	warn "syncing database to disk";
		3677	BDB::db_env_txn_checkpoint $DB_ENV;
		3678
2349	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
2350		3680
2351	# cancel all watchers	3681	warn "flushing outstanding aio requests";
2352	for (Event::all_watchers) {	3682	while (IO::AIO::nreqs || BDB::nreqs) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2354	}
2355
2356	# cancel all extension coros
2357	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();
2359
2360	# unload all extensions
2361	for (@exts) {
2362	warn "unloading <$_>";
2363	unload_extension $_;
2364	}
2365
2366	# unload all modules loaded from $LIBDIR
2367	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369
2370	warn "removing <$k>";
2371	delete $INC{$k};
2372
2373	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;
2375
2376	if (my $cb = $k->can ("unload_module")) {
2377	$cb->();
2378	}	3684	}
2379		3685
2380	Symbol::delete_package $k;	3686	warn "cancelling all extension coros";
		3687	$_->cancel for values %EXT_CORO;
		3688	%EXT_CORO = ();
		3689
		3690	warn "removing commands";
		3691	%COMMAND = ();
		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
		3699	warn "... unloading $pkg";
		3700
		3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
		3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
2381	}	3710	}
2382		3711
2383	# sync database to disk	3712	warn "unloading all perl modules loaded from $LIBDIR";
2384	cf::db_sync;	3713	while (my ($k, $v) = each %INC) {
2385	IO::AIO::flush;	3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2386		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
		3727	}
		3728
2387	# get rid of safe::, as good as possible	3729	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3732
2391	# remove register_script_function callbacks	3733	warn "unloading cf.pm \"a bit\"";
2392	# TODO
2393
2394	# unload cf.pm "a bit"
2395	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
		3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2396		3736
2397	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3738	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
2400		3740
2401	# reload cf.pm	3741	warn "unload completed, starting to reload now";
		3742
2402	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
2403	require cf;	3744	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3746
2406	# load config and database again	3747	warn "loading config and database again";
2407	cf::cfg_load;	3748	cf::reload_config;
2408	cf::db_load;
2409		3749
2410	# load extensions
2411	warn "load extensions";	3750	warn "loading extensions";
2412	cf::load_extensions;	3751	cf::load_extensions;
2413		3752
2414	# reattach attachments to objects	3753	if ($REATTACH_ON_RELOAD) {
2415	warn "reattach";	3754	warn "reattaching attachments to objects/players";
2416	_global_reattach;	3755	_global_reattach; # objects, sockets
		3756	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
		3758	warn "reattaching attachments to players";
		3759	reattach $_ for values %PLAYER;
		3760	}
		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
		3765	warn "leaving sync_job";
		3766
		3767	1
		3768	} or do {
		3769	warn $@;
		3770	cf::cleanup "error while reloading, exiting.";
		3771	};
		3772
		3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
		3779	};
		3780
		3781	our $RELOAD_WATCHER; # used only during reload
		3782
		3783	sub reload_perl() {
		3784	# doing reload synchronously and two reloads happen back-to-back,
		3785	# coro crashes during coro_state_free->destroy here.
		3786
		3787	$RELOAD_WATCHER ||= cf::async {
		3788	Coro::AIO::aio_wait cache_extensions;
		3789
		3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3791	do_reload_perl;
		3792	undef $RELOAD_WATCHER;
		3793	};
2418	};	3794	};
2419
2420	if ($@) {
2421	warn $@;
2422	warn "error while reloading, exiting.";
2423	exit 1;
2424	}
2425
2426	warn "reloaded successfully";
2427	};
2428
2429	#############################################################################
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3795	}
2471
2472	register "<global>", __PACKAGE__;
2473		3796
2474	register_command "reload" => sub {	3797	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
2476		3799
2477	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3801	$who->message ("reloading server.");
		3802	async {
		3803	$Coro::current->{desc} = "perl_reload";
		3804	reload_perl;
		3805	};
2481	}	3806	}
2482	};	3807	};
2483		3808
2484	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
2485		3810
2486	$TICK_WATCHER = Event->timer (	3811	my $bug_warning = 0;
2487	reentrant => 0,	3812
2488	prio => 0,	3813	our @WAIT_FOR_TICK;
2489	at => $NEXT_TICK || $TICK,	3814	our @WAIT_FOR_TICK_BEGIN;
2490	data => WF_AUTOCANCEL,	3815
2491	cb => sub {	3816	sub wait_for_tick {
		3817	return if tick_inhibit || $Coro::current == $Coro::main;
		3818
		3819	my $signal = new Coro::Signal;
		3820	push @WAIT_FOR_TICK, $signal;
		3821	$signal->wait;
		3822	}
		3823
		3824	sub wait_for_tick_begin {
		3825	return if tick_inhibit || $Coro::current == $Coro::main;
		3826
		3827	my $signal = new Coro::Signal;
		3828	push @WAIT_FOR_TICK_BEGIN, $signal;
		3829	$signal->wait;
		3830	}
		3831
		3832	sub tick {
		3833	if ($Coro::current != $Coro::main) {
		3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3835	unless ++$bug_warning > 10;
		3836	return;
		3837	}
		3838
2492	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;
2495		3840
2496	$WAIT_FOR_TICK->broadcast;	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2498		3843	Coro::async_pool {
2499	# if we are delayed by four ticks or more, skip them all	3844	$Coro::current->{desc} = "runtime saver";
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501
2502	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;
2504	},
2505	);
2506
2507	IO::AIO::max_poll_time $TICK * 0.2;
2508
2509	Event->io (
2510	fd => IO::AIO::poll_fileno,
2511	poll => 'r',
2512	prio => 5,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,
2519	after => 0,
2520	interval => 10,
2521	cb => sub {
2522	(Coro::unblock_sub {
2523	write_runtime	3845	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
2525	})->();	3847	};
2526	},	3848	}
2527	);	3849
		3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3851	$sig->send;
		3852	}
		3853	while (my $sig = shift @WAIT_FOR_TICK) {
		3854	$sig->send;
		3855	}
		3856
		3857	$LOAD = ($NOW - $TICK_START) / $TICK;
		3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3859
		3860	if (0) {
		3861	if ($NEXT_TICK) {
		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
		3866	}
		3867	}
		3868
		3869	{
		3870	# configure BDB
		3871
		3872	BDB::min_parallel 8;
		3873	BDB::max_poll_reqs $TICK * 0.1;
		3874	$AnyEvent::BDB::WATCHER->priority (1);
		3875
		3876	unless ($DB_ENV) {
		3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3883
		3884	cf::sync_job {
		3885	eval {
		3886	BDB::db_env_open
		3887	$DB_ENV,
		3888	$BDBDIR,
		3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3891	0666;
		3892
		3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3894	};
		3895
		3896	cf::cleanup "db_env_open(db): $@" if $@;
		3897	};
		3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
		3909	}
		3910
		3911	{
		3912	# configure IO::AIO
		3913
		3914	IO::AIO::min_parallel 8;
		3915	IO::AIO::max_poll_time $TICK * 0.1;
		3916	undef $AnyEvent::AIO::WATCHER;
		3917	}
		3918
		3919	my $_log_backtrace;
		3920
		3921	sub _log_backtrace {
		3922	my ($msg, @addr) = @_;
		3923
		3924	$msg =~ s/\n//;
		3925
		3926	# limit the # of concurrent backtraces
		3927	if ($_log_backtrace < 2) {
		3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
		3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
		3933	my @bt = fork_call {
		3934	@addr = map { sprintf "%x", $_ } @addr;
		3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3937	or die "addr2line: $!";
		3938
		3939	my @funcs;
		3940	my @res = <$fh>;
		3941	chomp for @res;
		3942	while (@res) {
		3943	my ($func, $line) = splice @res, 0, 2, ();
		3944	push @funcs, "[$func] $line";
		3945	}
		3946
		3947	@funcs
		3948	};
		3949
		3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3952	LOG llevInfo, "[ABT] $_\n" for @bt;
		3953	--$_log_backtrace;
		3954	};
		3955	} else {
		3956	LOG llevInfo, "[ABT] $msg\n";
		3957	LOG llevInfo, "[ABT] [suppressed]\n";
		3958	}
		3959	}
		3960
		3961	# load additional modules
		3962	require "cf/$_.pm" for @EXTRA_MODULES;
2528		3963
2529	END { cf::emergency_save }	3964	END { cf::emergency_save }
2530		3965
2531	1	3966	1
2532		3967

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