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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
20	use BDB ();	50	use BDB ();
21	use Data::Dumper;	51	use Data::Dumper;
22	use Digest::MD5;	52	use Digest::MD5;
23	use Fcntl;	53	use Fcntl;
		54	use YAML ();
24	use IO::AIO 2.32 ();	55	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
27		59
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	IO::AIO::max_poll_reqs 1;#d#
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		71
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		73
37	our %COMMAND = ();	74	our %COMMAND = ();
38	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
39		76
40	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
44		82
		83	our $RELOAD; # number of reloads so far
45	our @EVENT;	84	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		85
48	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	87	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
51	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	101	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	107	our $DB_ENV;
58		108
59	our %CFG;	109	our %CFG;
60		110
61	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
63		114
64	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		118
73	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
76	binmode STDOUT;	127	binmode STDOUT;
77	binmode STDERR;	128	binmode STDERR;
78		129
79	# read virtual server time, if available	130	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
84	}	135	}
85		136
86	mkdir cf::localdir;	137	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		139
93	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
94		141
95	sub cf::map::normalise;	142	sub cf::map::normalise;
96		143
…		…
107	=item $cf::RUNTIME	154	=item $cf::RUNTIME
108		155
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	157	every server tick.
111		158
112	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		162
114	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
116		167
117	=item $cf::NOW	168	=item $cf::NOW
118		169
119	The time of the last (current) server tick.	170	The time of the last (current) server tick.
120		171
121	=item $cf::TICK	172	=item $cf::TICK
122		173
123	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
124		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
125	=item %cf::CFG	186	=item %cf::CFG
126		187
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	189	from wherever your confdir points to.
129		190
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		192
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
136		202
137	=back	203	=back
138		204
139	=cut	205	=cut
140		206
141	BEGIN {	207	BEGIN {
142	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	209	my $msg = join "", @_;
144	utf8::encode $msg;
145		210
146	$msg .= "\n"	211	$msg .= "\n"
147	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
148		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
149	LOG llevError, $msg;	216	LOG llevError, $msg;
150	};	217	};
151	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
152		234
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		242
160	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	244	# within the Safe compartment.
162	for my $pkg (qw(	245	for my $pkg (qw(
163	cf::global cf::attachable	246	cf::global cf::attachable
…		…
168	)) {	251	)) {
169	no strict 'refs';	252	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	254	}
172		255
173	$Event::DIED = sub {	256	$EV::DIED = sub {
174	warn "error in event callback: @_";	257	warn "error in event callback: @_";
175	};	258	};
		259
		260	#############################################################################
176		261
177	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
178		263
179	=over 4	264	=over 4
180		265
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	285	$d
201	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
202	}	287	}
203		288
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
207		290
208	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
209		292
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
218		294
219	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
220		296
221	=cut	297	=cut
222		298
223	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
225	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
227		303
228	=item cf::lock_wait $string	304	=item cf::lock_wait $string
229		305
230	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
231		307
…		…
234	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
237	returned.	313	returned.
238		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
239	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
241		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
242	=cut	325	=cut
243		326
244	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
245		329
246	sub lock_wait($) {	330	sub lock_wait($) {
247	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
248		337
249	# wait for lock, if any	338	# wait for lock, if any
250	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	341	Coro::schedule;
…		…
258		347
259	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
260	lock_wait $key;	349	lock_wait $key;
261		350
262	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
263		353
264	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
267	}	358	}
268	}	359	}
269		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
270	sub freeze_mainloop {	367	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
272		369
273	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	371	}
275	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
276	};	431	}
277	$WRITE_RUNTIME_WATCHER->stop;	432	};
278	$TICK_WATCHER->stop;	433
279	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
280	}	446	}
281		447
282	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
283		449
284	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		455
290	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
291		457
292	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
293		459
294	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
297		464
298	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
301	fast or be very important.	468	fast or be very important.
…		…
304		471
305	sub sync_job(&) {	472	sub sync_job(&) {
306	my ($job) = @_;	473	my ($job) = @_;
307		474
308	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
309	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
311		480
312	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	482
314	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
315		484
316	my $busy = 1;	485	my $busy = 1;
317	my @res;	486	my @res;
318		487
319	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	490	@res = eval { $job->() };
321	warn $@ if $@;	491	warn $@ if $@;
322	undef $busy;	492	undef $busy;
323	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
324		494
325	while ($busy) {	495	while ($busy) {
326	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
327	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
328		506
329	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
330	} else {	508	} else {
331	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
332		510
…		…
352	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
353		531
354	$coro	532	$coro
355	}	533	}
356		534
357	sub write_runtime {	535	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		536
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
361	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
362		541
363	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		543
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
368	and return;	545	my ($cb, @args) = @_;
369		546
370	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
372	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
373		550
374	close $fh	551	my @res = Coro::Util::fork_eval {
375	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
376		555
377	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
378	and return;	557	}
379		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
380	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	722	}
382		723
383	=back	724	=back
384		725
385	=cut	726	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
394		735
395	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	738	Deliantra).
398		739
399	=over 4	740	=over 4
400		741
401	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
402		743
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
566		907
567	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		912
572	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	914	my $pkg = shift @arg;
574		915
575	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
605	}	946	}
606		947
607	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
608	} else {	949	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	951	}
611		952
612	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
613	}	954	}
614		955
…		…
616	if (ref $_[0]) {	957	if (ref $_[0]) {
617	_object_attach @_;	958	_object_attach @_;
618	} else {	959	} else {
619	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
620	}	961	}
		962	_recalc_want;
621	};	963	};
622		964
623	# all those should be optimised	965	# all those should be optimised
624	sub cf::attachable::detach {	966	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
629	reattach ($obj);	971	reattach ($obj);
630	} else {	972	} else {
631	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
632	}	974	}
		975	_recalc_want;
633	};	976	};
634		977
635	sub cf::attachable::attached {	978	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
637		980
…		…
652	";	995	";
653	die if $@;	996	die if $@;
654	}	997	}
655		998
656	our $override;	999	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1001
659	sub override {	1002	sub override {
660	$override = 1;	1003	$override = 1;
661	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
662	}	1005	}
663		1006
664	sub do_invoke {	1007	sub do_invoke {
665	my $event = shift;	1008	my $event = shift;
666	my $callbacks = shift;	1009	my $callbacks = shift;
667		1010
668	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
669		1012
670	local $override;	1013	local $override;
671		1014
672	for (@$callbacks) {	1015	for (@$callbacks) {
673	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
682	}	1025	}
683		1026
684	0	1027	0
685	}	1028	}
686		1029
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1031
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1033
691	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
692		1035
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1039
697	=back	1040	=back
698		1041
699	=cut	1042	=cut
700		1043
701	#############################################################################	1044	#############################################################################
702	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
703		1088
704	sub reattach {	1089	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1091	my ($obj) = @_;
707		1092
…		…
728	cf::attachable->attach (	1113	cf::attachable->attach (
729	prio => -1000000,	1114	prio => -1000000,
730	on_instantiate => sub {	1115	on_instantiate => sub {
731	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
732		1117
733	$data = from_json $data;	1118	$data = decode_json $data;
734		1119
735	for (@$data) {	1120	for (@$data) {
736	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
737		1122
738	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1139	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
756		1141
757	sync_job {	1142	sync_job {
758	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
761		1147
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1151	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1152	aio_close $fh;
767		1153
768	if (@$objs) {	1154	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1160	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
776	}	1162	}
777	} else {	1163	} else {
778	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
779	}	1165	}
…		…
784	}	1170	}
785	} else {	1171	} else {
786	aio_unlink $filename;	1172	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
788	}	1174	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1175	};
796	}	1176	}
797		1177
798	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
800		1180
…		…
805		1185
806	sub object_thawer_load {	1186	sub object_thawer_load {
807	my ($filename) = @_;	1187	my ($filename) = @_;
808		1188
809	my ($data, $av);	1189	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1190
814	(aio_load $filename, $data) >= 0	1191	(aio_load $filename, $data) >= 0
815	or return;	1192	or return;
816		1193
817	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
819	or return;	1196	or return;
		1197
820	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
821	}	1200	}
822		1201
		1202	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
825	return ($data, $av);	1206	($data, $av)
826	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
827		1214
828	#############################################################################	1215	#############################################################################
829	# command handling &c	1216	# command handling &c
830		1217
831	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1232	}
846		1233
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1235
849	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
850		1241
851	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
852	called.	1243	called.
853		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
854	=cut	1256	=cut
855		1257
856	sub register_extcmd {	1258	sub register_extcmd {
857	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
858		1260
859	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
860	}	1268	}
861		1269
862	cf::player->attach (	1270	cf::player->attach (
863	on_command => sub {	1271	on_command => sub {
864	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1281	cf::override;
874	},	1282	},
875	on_extcmd => sub {	1283	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
877		1285
878	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1287
880	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
886	} else {	1303	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1305	}
889		1306
890	cf::override;	1307	cf::override;
891	},	1308	},
892	);	1309	);
893		1310
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
929	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1316	next unless -r $path;
931	eval {	1317
932	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
933	1	1374	}
934	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
935	}	1380	};
936	}	1381	}
937		1382
938	#############################################################################	1383	#############################################################################
939		1384
		1385	=back
		1386
940	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
941		1388
942	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
943		1390
944	=cut	1391	=cut
…		…
949		1396
950	=head3 cf::player	1397	=head3 cf::player
951		1398
952	=over 4	1399	=over 4
953		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
		1414
954	=item cf::player::find $login	1415	=item cf::player::find $login
955		1416
956	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
957		1418
958	=cut	1419	=cut
959		1420
960	sub playerdir($) {	1421	sub playerdir($) {
961	cf::localdir	1422	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1423	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1424	}
967		1425
968	sub path($) {	1426	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1427	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1428
971	(playerdir $login) . "/$login.pl"	1429	(playerdir $login) . "/playerdata"
972	}	1430	}
973		1431
974	sub find_active($) {	1432	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1433	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1434	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1447	my $login = $_[0];
990		1448
991	my $guard = cf::lock_acquire "user_find:$login";	1449	my $guard = cf::lock_acquire "user_find:$login";
992		1450
993	$cf::PLAYER{$_[0]} || do {	1451	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1452	# rename old playerfiles to new ones
		1453	#TODO: remove when no longer required
		1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1457	aio_unlink +(playerdir $login) . "/$login.pl";
		1458
		1459	my $f = new_from_file cf::object::thawer path $login
995	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
997	}	1468	}
998	}	1469	}
999	}	1470	}
1000		1471
…		…
1009	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
1010		1481
1011	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
1013		1484
		1485	cf::get_slot 0.01;
		1486
1014	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1015	Coro::cede;	1488	cf::cede_to_tick;
1016	}	1489	}
1017		1490
1018	sub new($) {	1491	sub new($) {
1019	my ($login) = @_;	1492	my ($login) = @_;
1020		1493
…		…
1026	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1027		1500
1028	$self	1501	$self
1029	}	1502	}
1030		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1031	=item $pl->quit_character	1514	=item $pl->quit_character
1032		1515
1033	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1035		1518
1036	=cut	1519	=cut
1037		1520
1038	sub quit_character {	1521	sub quit_character {
1039	my ($pl) = @_;	1522	my ($pl) = @_;
1040		1523
		1524	my $name = $pl->ob->name;
		1525
1041	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1528
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1048		1535
1049	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1538	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1539	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1540	$pl->destroy;
		1541
		1542	my $prefix = qr<^~\Q$name\E/>;
		1543
		1544	# nuke player maps
		1545	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1546
1054	IO::AIO::aio_rmtree $temp;	1547	IO::AIO::aio_rmtree $temp;
		1548	}
		1549
		1550	=item $pl->kick
		1551
		1552	Kicks a player out of the game. This destroys the connection.
		1553
		1554	=cut
		1555
		1556	sub kick {
		1557	my ($pl, $kicker) = @_;
		1558
		1559	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1560	$pl->killer ("kicked");
		1561	$pl->ns->destroy;
1055	}	1562	}
1056		1563
1057	=item cf::player::list_logins	1564	=item cf::player::list_logins
1058		1565
1059	Returns am arrayref of all valid playernames in the system, can take a	1566	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1567	while and may block, so not sync_job-capable, ever.
1061		1568
1062	=cut	1569	=cut
1063		1570
1064	sub list_logins {	1571	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1572	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1573	or return [];
1067		1574
1068	my @logins;	1575	my @logins;
1069		1576
1070	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1074		1587
1075	utf8::decode $login;	1588	utf8::decode $login;
1076	push @logins, $login;	1589	push @logins, $login;
1077	}	1590	}
1078		1591
…		…
1105	}	1618	}
1106		1619
1107	\@paths	1620	\@paths
1108	}	1621	}
1109		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1111		1717
1112	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1113		1719
1114	=cut	1720	=cut
1115		1721
1116	sub ext_reply($$$%) {	1722	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1118		1724
1119	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1726	}
1123		1727
1124	package cf;	1728	=item $player->ext_msg ($type, @msg)
		1729
		1730	Sends an ext event to the client.
		1731
		1732	=cut
		1733
		1734	sub ext_msg($$@) {
		1735	my ($self, $type, @msg) = @_;
		1736
		1737	$self->ns->ext_msg ($type, @msg);
		1738	}
		1739
		1740	=head3 cf::region
		1741
		1742	=over 4
		1743
		1744	=cut
		1745
		1746	package cf::region;
		1747
		1748	=item cf::region::find_by_path $path
		1749
		1750	Tries to decuce the likely region for a map knowing only its path.
		1751
		1752	=cut
		1753
		1754	sub find_by_path($) {
		1755	my ($path) = @_;
		1756
		1757	my ($match, $specificity);
		1758
		1759	for my $region (list) {
		1760	if ($region->{match} && $path =~ $region->{match}) {
		1761	($match, $specificity) = ($region, $region->specificity)
		1762	if $region->specificity > $specificity;
		1763	}
		1764	}
		1765
		1766	$match
		1767	}
1125		1768
1126	=back	1769	=back
1127
1128		1770
1129	=head3 cf::map	1771	=head3 cf::map
1130		1772
1131	=over 4	1773	=over 4
1132		1774
…		…
1144	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1146		1788
1147	sub generate_random_map {	1789	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1793
1149	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1795	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1832	my ($self, $merge) = @_;
1188		1833
1189	# we have to keep some variables in memory intact	1834	# we have to keep some variables in memory intact
1190	local $self->{path};	1835	local $self->{path};
1191	local $self->{load_path};	1836	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1837
1195	$self->SUPER::thawer_merge ($merge);	1838	$self->SUPER::thawer_merge ($merge);
1196	}	1839	}
1197		1840
1198	sub normalise {	1841	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1246	return $self;	1889	return $self;
1247	}	1890	}
1248	}	1891	}
1249		1892
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1894	()
1252	}	1895	}
1253		1896
1254	sub init {	1897	sub init {
1255	my ($self) = @_;	1898	my ($self) = @_;
…		…
1270		1913
1271	# the original (read-only) location	1914	# the original (read-only) location
1272	sub load_path {	1915	sub load_path {
1273	my ($self) = @_;	1916	my ($self) = @_;
1274		1917
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1918	"$MAPDIR/$self->{path}.map"
1276	}	1919	}
1277		1920
1278	# the temporary/swap location	1921	# the temporary/swap location
1279	sub save_path {	1922	sub save_path {
1280	my ($self) = @_;	1923	my ($self) = @_;
1281		1924
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1926	"$TMPDIR/$path.map"
1284	}	1927	}
1285		1928
1286	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1287	sub uniq_path {	1930	sub uniq_path {
1288	my ($self) = @_;	1931	my ($self) = @_;
1289		1932
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1934	"$UNIQUEDIR/$path"
1292	}	1935	}
1293		1936
1294	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1295	# all maps in C++...	1938	# all maps in C++...
1296	sub change_all_map_light {	1939	sub change_all_map_light {
…		…
1298		1941
1299	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1301	}	1944	}
1302		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
1303	sub unlink_save {	1954	sub unlink_save {
1304	my ($self) = @_;	1955	my ($self) = @_;
1305		1956
1306	utf8::encode (my $save = $self->save_path);	1957	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1960	}
1315		1961
1316	sub load_header_from($) {	1962	sub load_header_from($) {
1317	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1318		1964
1319	utf8::encode $path;	1965	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1967	or return;
		1968
		1969	$self->_load_header ($f)
		1970	or return;
		1971
		1972	local $MAP_LOADING{$self->{path}} = $self;
		1973	$f->resolve_delayed_derefs;
1325		1974
1326	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1327		1976
1328	1	1977	1
1329	}	1978	}
…		…
1368	$self->load_header_orig	2017	$self->load_header_orig
1369	or return;	2018	or return;
1370	$self->prepare_orig;	2019	$self->prepare_orig;
1371	}	2020	}
1372		2021
		2022	$self->{deny_reset} = 1
		2023	if $self->no_reset;
		2024
		2025	$self->default_region (cf::region::find_by_path $self->{path})
		2026	unless $self->default_region;
		2027
1373	1	2028	1
1374	}	2029	}
1375		2030
1376	sub find;	2031	sub find;
1377	sub find {	2032	sub find {
1378	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1379		2034
1380	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1381		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1383		2039
1384	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1386	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1387	or return;	2045	or return;
1388		2046
1389	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1390		2048
1391	$map->load_header	2049	$map->load_header
1392	or return;	2050	or return;
1393		2051
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1397	$map->reset;	2057	$map->reset;
1398	undef $guard;
1399	return find $path;	2058	return find $path;
1400	}	2059	}
1401		2060
1402	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1403	}	2062	}
…		…
1410	my ($self) = @_;	2069	my ($self) = @_;
1411		2070
1412	local $self->{deny_reset} = 1; # loading can take a long time	2071	local $self->{deny_reset} = 1; # loading can take a long time
1413		2072
1414	my $path = $self->{path};	2073	my $path = $self->{path};
		2074
		2075	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1416		2077
		2078	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2080
1419	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1420		2082
1421	$self->alloc;	2083	$self->alloc;
1422		2084
1423	$self->pre_load;	2085	$self->pre_load;
		2086	cf::cede_to_tick;
1424		2087
1425	$self->_load_objects ($self->{load_path}, 1)	2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
		2090	$self->_load_objects ($f)
1426	or return;	2091	or return;
1427		2092
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	2094	if delete $self->{load_original};
1430		2095
1431	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2097	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2100	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1436	}	2104	}
1437	}	2105	}
1438		2106
1439	Coro::cede;	2107	$f->resolve_delayed_derefs;
1440		2108
		2109	cf::cede_to_tick;
1441	# now do the right thing for maps	2110	# now do the right thing for maps
1442	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2113	unless $self->difficulty;
1452	Coro::cede;	2114	cf::cede_to_tick;
		2115
		2116	unless ($self->{deny_activate}) {
		2117	$self->decay_objects;
		2118	$self->fix_auto_apply;
		2119	$self->update_buttons;
		2120	cf::cede_to_tick;
		2121	$self->set_darkness_map;
		2122	cf::cede_to_tick;
1453	$self->activate;	2123	$self->activate;
		2124	}
		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
		2129	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2130	}
1455		2131
1456	$self->post_load;	2132	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2133	}
1460		2134
1461	sub customise_for {	2135	sub customise_for {
1462	my ($self, $ob) = @_;	2136	my ($self, $ob) = @_;
1463		2137
1464	return find "~" . $ob->name . "/" . $self->{path}	2138	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2139	if $self->per_player;
1466		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
1467	$self	2144	$self
1468	}	2145	}
1469		2146
1470	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2148	sub load_neighbours {
1472	my ($map) = @_;	2149	my ($map) = @_;
1473		2150
1474	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1475		2152
1476	for (0 .. 3) {	2153	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1478	or next;	2155	or next;
1479	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1480	or next;	2157	or next;
1481	$neigh->load;	2158	$neigh->load;
1482		2159
		2160	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2163	}
1486		2164
1487	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1489	or next;	2168	or next;
1490	$neigh->load;	2169	$neigh->load;
1491	}	2170	}
1492	}	2171	}
1493		2172
…		…
1498	}	2177	}
1499		2178
1500	sub do_load_sync {	2179	sub do_load_sync {
1501	my ($map) = @_;	2180	my ($map) = @_;
1502		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1503	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1504	}	2186	}
1505		2187
1506	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1508		2190
1509	sub find_async {	2191	sub find_async {
1510	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1511		2193
1512	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1513		2195
1514	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2198	}
1517		2199
1518	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1519	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1520	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2207	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2208	$map->load if $v;
		2209	}
1525		2210
1526	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1527	}	2212	}
1528	}	2213	}
1529	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1530	};	2215	};
1531	$MAP_PREFETCHER->prio (6);	2216	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2219	}
1535		2220
1536	sub save {	2221	sub save {
1537	my ($self) = @_;	2222	my ($self) = @_;
1538		2223
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2225
1541	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1542		2227
1543	return unless $self->dirty;	2228	return unless $self->dirty;
1544		2229
…		…
1550	return if $self->{deny_save};	2235	return if $self->{deny_save};
1551		2236
1552	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1553		2238
1554	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1556	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1557		2245
1558	if ($uniq) {	2246	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2249	} else {
…		…
1567	my ($self) = @_;	2255	my ($self) = @_;
1568		2256
1569	# save first because save cedes	2257	# save first because save cedes
1570	$self->save;	2258	$self->save;
1571		2259
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2261
1574	return if $self->players;	2262	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2264	return if $self->{deny_save};
1577		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2270	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2271	}
1581		2272
1582	sub reset_at {	2273	sub reset_at {
1583	my ($self) = @_;	2274	my ($self) = @_;
1584		2275
1585	# TODO: safety, remove and allow resettable per-player maps	2276	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2277	return 1e99 if $self->{deny_reset};
1588		2278
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2281
…		…
1602	my ($self) = @_;	2292	my ($self) = @_;
1603		2293
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2295
1606	return if $self->players;	2296	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2297
1609	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
		2299
		2300	$self->in_memory (cf::MAP_SWAPPED);
		2301
		2302	# need to save uniques path
		2303	unless ($self->{deny_save}) {
		2304	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2305
		2306	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2307	if $uniq;
		2308	}
1610		2309
1611	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1612		2311
1613	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2314	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2315
1618	$self->unlink_save;	2316	$self->unlink_save;
1619	$self->destroy;	2317	$self->destroy;
1620	}	2318	}
1621		2319
1622	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1623		2321
1624	sub nuke {	2322	sub nuke {
1625	my ($self) = @_;	2323	my ($self) = @_;
1626		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1627	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1628		2329
1629	$self->unlink_save;	2330	$self->unlink_save;
1630		2331
1631	bless $self, "cf::map";	2332	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2337
1637	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1638		2340
1639	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
		2342	}
		2343
		2344	=item $maps = cf::map::tmp_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1640	}	2378	}
1641		2379
1642	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1643		2381
1644	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2383	instantiated unique items. May block.
1646		2384
1647	=cut	2385	=cut
1648		2386
1649	sub unique_maps() {	2387	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2388	[
1651	or return;	2389	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2390	utf8::decode $_;
1657	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2393	? ()
1660	push @paths, cf::map::normalise $_;	2394	: normalise $_
		2395	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2396	]
1662
1663	\@paths
1664	}	2397	}
1665
1666	package cf;
1667		2398
1668	=back	2399	=back
1669		2400
1670	=head3 cf::object	2401	=head3 cf::object
1671		2402
…		…
1675		2406
1676	=over 4	2407	=over 4
1677		2408
1678	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1679		2410
1680	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1681		2413
1682	=cut	2414	=cut
1683		2415
1684	sub inv_recursive_;	2416	sub inv_recursive_;
1685	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1688		2420
1689	sub inv_recursive {	2421	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1691	}	2423	}
1692		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1693	package cf;	2453	package cf;
1694		2454
1695	=back	2455	=back
1696		2456
1697	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2464	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1706		2466
1707	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1708		2482
1709	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2484	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1714		2488
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2490
1717	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1719	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1722	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1723	}	2516	}
1724		2517
1725	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1726		2519
1727	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1775		2568
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2570
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1780		2573
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2575	}
1783		2576
1784	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1786		2581
1787	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1788		2583
1789	unless ($map) {	2584	unless ($map) {
1790	# restore original map position	2585	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1807		2602
1808	$map->load;	2603	$map->load;
1809	$map->load_diag;	2604	$map->load_neighbours;
1810		2605
1811	return unless $self->contr->active;	2606	return unless $self->contr->active;
1812	$self->activate_recursive;	2607	$self->activate_recursive;
		2608
		2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1814	}	2611	}
1815		2612
1816	cf::player->attach (	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2614
1820	# abort map switching before logout	2615	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2616	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2617	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2618	the new (success) or old (failed) map position. In either case, $done will
1824	};	2619	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2620
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1851		2624
1852	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
		2627
		2628	# do generation counting so two concurrent goto's will be executed in-order
		2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2630
1855	$self->enter_link;	2631	$self->enter_link;
1856		2632
1857	(async {	2633	(async {
		2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
1858	my $map = eval {	2655	my $map = eval {
1859	my $map = cf::map::find $path;	2656	my $map = defined $path ? cf::map::find $path : undef;
		2657
		2658	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2659	$map = $map->customise_for ($self);
		2660	$map = $check->($map) if $check && $map;
		2661	} else {
		2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	}
		2664
1861	$map	2665	$map
		2666	};
		2667
		2668	if ($@) {
		2669	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2671	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
1866	})->prio (1);	2679	})->prio (1);
1867	}	2680	}
1868		2681
1869	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
1870		2683
…		…
1890	}	2703	}
1891		2704
1892	sub prepare_random_map {	2705	sub prepare_random_map {
1893	my ($exit) = @_;	2706	my ($exit) = @_;
1894		2707
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2710	# that depends on the exit object
1900		2711
1901	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2714	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2715	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
1908	}	2721	}
1909		2722
1910	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
1911		2724
1912	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
1915		2728
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2731	undef $fh;
1919	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
1920		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
1923	}	2740	}
1924	}	2741	}
1925		2742
1926	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
1928		2745
1929	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
1930		2747
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2748	$self->enter_link;
1941		2749
1942	(async {	2750	(async {
1943	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
1944	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
		2760	prepare_random_map $exit
		2761	if $exit->slaying eq "/!";
		2762	}
		2763
		2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
		2767
1945	$self->goto ($slaying, $hp, $sp);	2768	$self->goto ($map, $x, $y);
1946		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
1947	1;	2774	1
1948	}) {	2775	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2780
1954	warn "ERROR in enter_exit: $@";	2781	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2782	$self->leave_link;
1956	}	2783	}
1957	})->prio (1);	2784	})->prio (1);
…		…
1970		2797
1971	sub cf::client::send_drawinfo {	2798	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2799	my ($self, $text, $flags) = @_;
1973		2800
1974	utf8::encode $text;	2801	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2803	}
1977		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
		2935	=item $client->ext_msg ($type, @msg)
		2936
		2937	Sends an ext event to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_msg($$@) {
		2942	my ($self, $type, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
		2947	push @msg, msgtype => "event_$type";
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
		2968	}
1978		2969
1979	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
1980		2971
1981	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2973	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2975
1985	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2977	become reliable at some point in the future.
1987		2978
1988	=cut	2979	=cut
1989		2980
1990	sub cf::client::query {	2981	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2990	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2992
2002	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
2004	}	2997	}
2005		2998
2006	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
2007	on_reply => sub {	3005	on_reply => sub {
2008	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
2009		3007
2010	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
2011	# get handled first	3009	# get handled first
…		…
2023	} else {	3021	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3023	}
2026	}	3024	}
2027	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
2028	);	3052	);
2029		3053
2030	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
2031		3055
2032	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2075		3099
2076	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2077		3101
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
2079		3107
2080	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2081		3109
2082	=pod	3110	=pod
2083		3111
2084	The following fucntions and emthods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2085		3113
2086	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
2087	cf::object::player player	3118	cf::object::player
2088	cf::player peaceful	3119	player
2089	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2090		3126
2091	=cut	3127	=cut
2092		3128
2093	for (	3129	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2095	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2098	) {	3136	) {
2099	no strict 'refs';	3137	no strict 'refs';
…		…
2170	=back	3208	=back
2171		3209
2172	=cut	3210	=cut
2173		3211
2174	#############################################################################	3212	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3213	# the server's init and main functions
2284		3214
		3215	sub load_facedata($) {
		3216	my ($path) = @_;
		3217
		3218	# HACK to clear player env face cache, we need some signal framework
		3219	# for this (global event?)
		3220	%ext::player_env::MUSIC_FACE_CACHE = ();
		3221
		3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3223
		3224	warn "loading facedata from $path\n";
		3225
		3226	my $facedata;
		3227	0 < aio_load $path, $facedata
		3228	or die "$path: $!";
		3229
		3230	$facedata = Coro::Storable::thaw $facedata;
		3231
		3232	$facedata->{version} == 2
		3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3234
		3235	# patch in the exptable
		3236	$facedata->{resource}{"res/exp_table"} = {
		3237	type => FT_RSRC,
		3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3239	};
		3240	cf::cede_to_tick;
		3241
		3242	{
		3243	my $faces = $facedata->{faceinfo};
		3244
		3245	while (my ($face, $info) = each %$faces) {
		3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3247
		3248	cf::face::set_visibility $idx, $info->{visibility};
		3249	cf::face::set_magicmap $idx, $info->{magicmap};
		3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255
		3256	while (my ($face, $info) = each %$faces) {
		3257	next unless $info->{smooth};
		3258
		3259	my $idx = cf::face::find $face
		3260	or next;
		3261
		3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
		3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3265	} else {
		3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	{
		3274	my $anims = $facedata->{animinfo};
		3275
		3276	while (my ($anim, $info) = each %$anims) {
		3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3278	cf::cede_to_tick;
		3279	}
		3280
		3281	cf::anim::invalidate_all; # d'oh
		3282	}
		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3318
		3319	1
		3320	}
		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
2285	sub load_resources {	3350	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
		3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
		3365	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3366	or die "unable to load regions file\n";
2288	}
2289		3367
2290	sub cfg_load {	3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
		3372	}
		3373
		3374	sub reload_facedata {
		3375	load_facedata "$DATADIR/facedata"
		3376	or die "unable to load facedata\n";
		3377	}
		3378
		3379	sub reload_archetypes {
		3380	load_resource_file "$DATADIR/archetypes"
		3381	or die "unable to load archetypes\n";
		3382	}
		3383
		3384	sub reload_treasures {
		3385	load_resource_file "$DATADIR/treasures"
		3386	or die "unable to load treasurelists\n";
		3387	}
		3388
		3389	sub reload_resources {
		3390	warn "reloading resource files...\n";
		3391
		3392	reload_facedata;
		3393	reload_archetypes;
		3394	reload_regions;
		3395	reload_treasures;
		3396
		3397	warn "finished reloading resource files\n";
		3398	}
		3399
		3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3408	or return;
2293		3409
2294	local $/;	3410	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2296		3412
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3414
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3422	};
2307	warn $@ if $@;	3423	warn $@ if $@;
2308	}	3424	}
2309	}	3425	}
2310		3426
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3427	sub main {
2316	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3431	(async {
2320	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2322	};	3435	};
2323		3436
2324	cfg_load;	3437	{
2325	db_load;	3438	my $guard = freeze_mainloop;
		3439	reload_config;
		3440	db_init;
2326	load_extensions;	3441	load_extensions;
2327		3442
2328	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2329	Event::loop;	3446	EV::loop;
2330	}	3447	}
2331		3448
2332	#############################################################################	3449	#############################################################################
2333	# initialisation and cleanup	3450	# initialisation and cleanup
2334		3451
2335	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2336	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2345	},
2346	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2347	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2348	}	3541	}
2349		3542
2350	sub emergency_save() {	3543	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2352		3545
…		…
2358	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3557	$pl->save;
2364	}	3558	}
2365	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2366		3560
2367	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3563	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3564	$map->valid or next;
2371	$map->save;	3565	$map->save;
2372	}	3566	}
2373	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
		3568
		3569	warn "begin emergency database checkpoint\n";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2374	};	3576	};
2375		3577
2376	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2377	}	3579	}
2378		3580
		3581	sub post_cleanup {
		3582	my ($make_core) = @_;
		3583
		3584	warn Carp::longmess "post_cleanup backtrace"
		3585	if $make_core;
		3586	}
		3587
2379	sub reload() {	3588	sub do_reload_perl() {
2380	# can/must only be called in main	3589	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2383	return;	3592	return;
2384	}	3593	}
2385		3594
2386	warn "reloading...";	3595	warn "reloading...";
2387		3596
2388	warn "cancelling server ticker";	3597	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3598
		3599	cf::sync_job {
		3600	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3601	cf::emergency_save;
		3602	cf::write_runtime_sync; # external watchdog should not bark
2392		3603
2393	eval {	3604	warn "syncing database to disk";
		3605	BDB::db_env_txn_checkpoint $DB_ENV;
		3606
2394	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403		3608
2404	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2405	for (;;) {	3610	for (;;) {
		3611	BDB::flush;
2406	IO::AIO::flush;	3612	IO::AIO::flush;
2407	Coro::cede;	3613	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3615	warn "iterate...";
2410	}	3616	}
		3617
		3618	++$RELOAD;
2411		3619
2412	warn "cancelling all extension coros";	3620	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3622	%EXT_CORO = ();
2415		3623
2416	warn "removing commands";	3624	warn "removing commands";
2417	%COMMAND = ();	3625	%COMMAND = ();
2418		3626
2419	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2421		3630
2422	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2425		3634
…		…
2455	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3666
2458	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2460		3670
2461	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3672	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2464		3674
…		…
2467	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2468	require cf;	3678	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3680
2471	warn "loading config and database again";	3681	warn "loading config and database again";
2472	cf::cfg_load;	3682	cf::reload_config;
2473	cf::db_load;
2474		3683
2475	warn "loading extensions";	3684	warn "loading extensions";
2476	cf::load_extensions;	3685	cf::load_extensions;
2477		3686
2478	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3688	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
		3691	warn "reattaching attachments to players";
		3692	reattach $_ for values %PLAYER;
2482		3693
2483	warn "loading reloadable resources";	3694	warn "leaving sync_job";
2484	load_resources;
2485		3695
2486	warn "restarting server ticker";	3696	1
2487		3697	} or do {
2488	$TICK_WATCHER->start;	3698	warn $@;
		3699	cf::cleanup "error while reloading, exiting.";
2489	};	3700	};
2490
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496		3701
2497	warn "reloaded";	3702	warn "reloaded";
2498	};	3703	};
2499		3704
2500	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2501		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2502	register_command "reload" => sub {	3717	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2504		3719
2505	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2507		3722	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3724	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3725	};
2520	}	3726	}
2521	};	3727	};
2522		3728
2523	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2524		3730
2525	my $bug_warning = 0;	3731	my $bug_warning = 0;
2526		3732
2527	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3735
2530	prio => 0,	3736	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3738
2533	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2534	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2537	return;	3756	return;
2538	}	3757	}
2539		3758
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3760
2546	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
		3765	write_runtime_sync
		3766	or warn "ERROR: unable to write runtime file: $!";
		3767	};
		3768	}
2548		3769
2549	Event::sweep;	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
2551		3785	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3786	}
2561	);	3787	}
2562		3788
2563	{	3789	{
2564	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3791
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2574		3793	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3795
2590	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3802
2593	cf::sync_job {	3803	cf::sync_job {
		3804	eval {
2594	BDB::db_env_open	3805	BDB::db_env_open
2595	$DB_ENV,	3806	$DB_ENV,
2596	$BDB_ENV_DIR,	3807	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3810	0666;
2600		3811
2601	cf::cleanup "$!" if $!;	3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3813	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3814
		3815	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3816	};
2605	}	3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
2606	}	3828	}
2607		3829
2608	{	3830	{
		3831	# configure IO::AIO
		3832
2609	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3835	#undef $AnyEvent::AIO::WATCHER;
2614	reentrant => 0,
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}	3836	}
2622		3837
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3838	my $_log_backtrace;
2624	reentrant => 0,	3839
2625	data => WF_AUTOCANCEL,	3840	sub _log_backtrace {
2626	after => 1,	3841	my ($msg, @addr) = @_;
2627	interval => 10,	3842
2628	prio => 6, # keep it lowest so it acts like a watchdog	3843	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3844
2630	write_runtime	3845	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3875	}
2633	);	3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2634		3880
2635	END { cf::emergency_save }	3881	END { cf::emergency_save }
2636		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
2637	1	3885	1
2638		3886

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