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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.464 by root, Thu Jan 1 18:35:48 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		78
40	our %COMMAND = ();	79	our %COMMAND = ();
41	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
42		81
43	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
47		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	89	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		90
51	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	92	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	109	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	115	our $DB_ENV;
61		116
62	our %CFG;	117	our %CFG;
63		118
64	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
66		122
67	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		126
76	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
79	binmode STDOUT;	139	binmode STDOUT;
80	binmode STDERR;	140	binmode STDERR;
81		141
82	# read virtual server time, if available	142	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
87	}	147	}
88		148
89	mkdir cf::localdir;	149	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		151
96	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
97		153
98	sub cf::map::normalise;	154	sub cf::map::normalise;
99		155
…		…
110	=item $cf::RUNTIME	166	=item $cf::RUNTIME
111		167
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	169	every server tick.
114		170
115	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		174
117	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
119		179
120	=item $cf::NOW	180	=item $cf::NOW
121		181
122	The time of the last (current) server tick.	182	The time of the last (current) server tick.
123		183
124	=item $cf::TICK	184	=item $cf::TICK
125		185
126	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
127		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
128	=item %cf::CFG	198	=item %cf::CFG
129		199
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	201	from wherever your confdir points to.
132		202
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		204
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
139		214
140	=back	215	=back
141		216
142	=cut	217	=cut
143		218
144	BEGIN {	219	BEGIN {
145	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	221	my $msg = join "", @_;
147	utf8::encode $msg;
148		222
149	$msg .= "\n"	223	$msg .= "\n"
150	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
151		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
152	LOG llevError, $msg;	228	LOG llevError, $msg;
153	};	229	};
154	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
155		246
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		254
163	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	256	# within the Safe compartment.
165	for my $pkg (qw(	257	for my $pkg (qw(
166	cf::global cf::attachable	258	cf::global cf::attachable
167	cf::object cf::object::player	259	cf::object cf::object::player
168	cf::client cf::player	260	cf::client cf::player
169	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
170	cf::map cf::party cf::region	263	cf::party cf::region
171	)) {	264	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	266	}
175		267
176	$Event::DIED = sub {	268	$EV::DIED = sub {
177	warn "error in event callback: @_";	269	warn "error in event callback: @_";
178	};	270	};
		271
		272	#############################################################################
179		273
180	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
181		275
182	=over 4	276	=over 4
183		277
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	297	$d
204	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
205	}	299	}
206		300
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
210		302
211	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
212		304
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
221		306
222	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
223		308
224	=cut	309	=cut
225		310
226	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
228	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
229	}	328	}
230		329
231	=item cf::lock_wait $string	330	=item cf::lock_wait $string
232		331
233	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
234		333
235	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
236		335
237	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
240	returned.	339	returned.
241		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
242	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
244		346
245	=cut	347	=item $locked = cf::lock_active $string
246		348
247	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
248		354
249	sub lock_wait($) {	355	sub lock_wait($) {
250	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	357	}
258		358
259	sub lock_acquire($) {	359	sub lock_acquire($) {
260	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
261		362
262	# wait, to be sure we are not locked	363	sub lock_active($) {
263	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	365	}
272		366
273	sub freeze_mainloop {	367	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
275		369
276	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	371	}
278	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
279	};	431	}
280	$WRITE_RUNTIME_WATCHER->stop;	432	};
281	$TICK_WATCHER->stop;	433
282	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
283	}	446	}
284		447
285	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
286		449
287	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		455
293	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
294		457
295	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
296		459
297	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
300		464
301	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
304	fast or be very important.	468	fast or be very important.
…		…
307		471
308	sub sync_job(&) {	472	sub sync_job(&) {
309	my ($job) = @_;	473	my ($job) = @_;
310		474
311	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
312	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
314		480
315	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	482
317	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
318		484
319	my $busy = 1;	485	my $busy = 1;
320	my @res;	486	my @res;
321		487
322	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	490	@res = eval { $job->() };
324	warn $@ if $@;	491	warn $@ if $@;
325	undef $busy;	492	undef $busy;
326	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
327		494
328	while ($busy) {	495	while ($busy) {
329	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
330	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
331		506
332	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
333	} else {	508	} else {
334	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
335		510
…		…
355	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
356		531
357	$coro	532	$coro
358	}	533	}
359		534
360	sub write_runtime {	535	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		536
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
364	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.
365		541
366	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		543
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
371	and return;	545	my ($cb, @args) = @_;
372		546
373	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
375	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
376		550
377	close $fh	551	my @res = Coro::Util::fork_eval {
378	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
379		555
380	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
381	and return;	557	}
382		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
383	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
384	}	722	}
385		723
386	=back	724	=back
387		725
388	=cut	726	=cut
389		727
390	#############################################################################	728	#############################################################################
391		729
392	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
393		731
394	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
395	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")
396	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
397		735
398	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>
399	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
400	crossfire+).	738	Deliantra).
401		739
402	=over 4	740	=over 4
403		741
404	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
405		743
…		…
449	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
450		788
451	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
453		791
454	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
456		794
457	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
458		796
459	=over 4	797	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
569		907
570	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		912
575	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	914	my $pkg = shift @arg;
577		915
578	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
608	}	946	}
609		947
610	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
611	} else {	949	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	951	}
614		952
615	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
616	}	954	}
617		955
…		…
619	if (ref $_[0]) {	957	if (ref $_[0]) {
620	_object_attach @_;	958	_object_attach @_;
621	} else {	959	} else {
622	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
623	}	961	}
		962	_recalc_want;
624	};	963	};
625		964
626	# all those should be optimised	965	# all those should be optimised
627	sub cf::attachable::detach {	966	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
632	reattach ($obj);	971	reattach ($obj);
633	} else {	972	} else {
634	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
635	}	974	}
		975	_recalc_want;
636	};	976	};
637		977
638	sub cf::attachable::attached {	978	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
640		980
…		…
655	";	995	";
656	die if $@;	996	die if $@;
657	}	997	}
658		998
659	our $override;	999	our $override;
660	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?
661		1001
662	sub override {	1002	sub override {
663	$override = 1;	1003	$override = 1;
664	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
665	}	1005	}
666		1006
667	sub do_invoke {	1007	sub do_invoke {
668	my $event = shift;	1008	my $event = shift;
669	my $callbacks = shift;	1009	my $callbacks = shift;
670		1010
671	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
672		1012
673	local $override;	1013	local $override;
674		1014
675	for (@$callbacks) {	1015	for (@$callbacks) {
676	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
685	}	1025	}
686		1026
687	0	1027	0
688	}	1028	}
689		1029
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1031
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1033
694	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
695		1035
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1039
700	=back	1040	=back
701		1041
702	=cut	1042	=cut
703		1043
704	#############################################################################	1044	#############################################################################
705	# 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, $ob2
		1087	}
706		1088
707	sub reattach {	1089	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1091	my ($obj) = @_;
710		1092
		1093	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1095
713	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
714		1097
715	@$registry = ();	1098	@$registry = ();
716		1099
…		…
731	cf::attachable->attach (	1114	cf::attachable->attach (
732	prio => -1000000,	1115	prio => -1000000,
733	on_instantiate => sub {	1116	on_instantiate => sub {
734	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
735		1118
736	$data = from_json $data;	1119	$data = decode_json $data;
737		1120
738	for (@$data) {	1121	for (@$data) {
739	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
740		1123
741	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1140	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
759		1142
760	sync_job {	1143	sync_job {
761	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
764		1148
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1153	aio_close $fh;
770		1154
771	if (@$objs) {	1155	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1161	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
779	}	1163	}
780	} else {	1164	} else {
781	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
782	}	1166	}
783		1167
784	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1172	} else {
786	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
787	}	1174	}
788	} else {	1175	} else {
789	aio_unlink $filename;	1176	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
791	}	1178	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1179	};
799	}	1180	}
800		1181
801	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
803		1184
…		…
808		1189
809	sub object_thawer_load {	1190	sub object_thawer_load {
810	my ($filename) = @_;	1191	my ($filename) = @_;
811		1192
812	my ($data, $av);	1193	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1194
817	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
818	or return;	1196	or return;
819		1197
820	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
822	or return;	1200	or return;
		1201
823	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
824	}	1204	}
825		1205
		1206	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
828	return ($data, $av);	1210	($data, $av)
829	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
830		1218
831	#############################################################################	1219	#############################################################################
832	# command handling &c	1220	# command handling &c
833		1221
834	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1236	}
849		1237
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1239
852	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
853		1245
854	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
855	called.	1247	called.
856		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
857	=cut	1260	=cut
858		1261
859	sub register_extcmd {	1262	sub register_extcmd {
860	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
861		1264
862	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
863	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
864		1275
865	cf::player->attach (	1276	cf::player->attach (
866	on_command => sub {	1277	on_command => sub {
867	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
868		1279
…		…
876	cf::override;	1287	cf::override;
877	},	1288	},
878	on_extcmd => sub {	1289	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
880		1291
881	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1293
883	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
889	} else {	1309	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1311	}
892		1312
893	cf::override;	1313	cf::override;
894	},	1314	},
895	);	1315	);
896		1316
		1317	# "readahead" all extensions
897	sub load_extension {	1318	sub cache_extensions {
898	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
899		1320
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
901	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1324	}
925	die $@;
926	}	1325	};
927		1326
928	push @EXTS, $pkg;	1327	$grp
929	}	1328	}
930		1329
931	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
932	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1335	next unless -r $path;
934	eval {	1336
935	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
936	1	1393	}
937	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
938	}	1399	};
939	}	1400	}
940		1401
941	#############################################################################	1402	#############################################################################
942		1403
		1404	=back
		1405
943	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
944		1407
945	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
946		1409
947	=cut	1410	=cut
948		1411
949	package cf::player;	1412	package cf::player;
950		1413
…		…
952		1415
953	=head3 cf::player	1416	=head3 cf::player
954		1417
955	=over 4	1418	=over 4
956		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
957	=item cf::player::find $login	1434	=item cf::player::find $login
958		1435
959	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
960		1437
961	=cut	1438	=cut
962		1439
963	sub playerdir($) {	1440	sub playerdir($) {
964	cf::localdir	1441	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1443	}
970		1444
971	sub path($) {	1445	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1447
974	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
975	}	1449	}
976		1450
977	sub find_active($) {	1451	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
982		1456
983	sub exists($) {	1457	sub exists($) {
984	my ($login) = @_;	1458	my ($login) = @_;
985		1459
986	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
988	}	1462	}
989		1463
990	sub find($) {	1464	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1466	my $login = $_[0];
993		1467
994	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
995		1469
996	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
998	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1000	}	1487	}
1001	}	1488	}
1002	}	1489	}
1003		1490
…		…
1012	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1013		1500
1014	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1016		1503
		1504	cf::get_slot 0.01;
		1505
1017	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1018	Coro::cede;	1507	cf::cede_to_tick;
1019	}	1508	}
1020		1509
1021	sub new($) {	1510	sub new($) {
1022	my ($login) = @_;	1511	my ($login) = @_;
1023		1512
…		…
1029	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1030		1519
1031	$self	1520	$self
1032	}	1521	}
1033		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1034	=item $pl->quit_character	1533	=item $pl->quit_character
1035		1534
1036	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1038		1537
1039	=cut	1538	=cut
1040		1539
1041	sub quit_character {	1540	sub quit_character {
1042	my ($pl) = @_;	1541	my ($pl) = @_;
1043		1542
		1543	my $name = $pl->ob->name;
		1544
1044	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1547
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1051		1554
1052	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1057	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1058	}	1581	}
1059		1582
1060	=item cf::player::list_logins	1583	=item cf::player::list_logins
1061		1584
1062	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1064		1587
1065	=cut	1588	=cut
1066		1589
1067	sub list_logins {	1590	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1592	or return [];
1070		1593
1071	my @logins;	1594	my @logins;
1072		1595
1073	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1077		1606
1078	utf8::decode $login;	1607	utf8::decode $login;
1079	push @logins, $login;	1608	push @logins, $login;
1080	}	1609	}
1081		1610
…		…
1108	}	1637	}
1109		1638
1110	\@paths	1639	\@paths
1111	}	1640	}
1112		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1114		1647
1115	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1116		1649
1117	=cut	1650	=cut
1118		1651
1119	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1121		1654
1122	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1656	}
1126		1657
1127	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1128		1698
1129	=back	1699	=back
1130
1131		1700
1132	=head3 cf::map	1701	=head3 cf::map
1133		1702
1134	=over 4	1703	=over 4
1135		1704
…		…
1147	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1149		1718
1150	sub generate_random_map {	1719	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1152	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1725	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1191		1763
1192	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1193	local $self->{path};	1765	local $self->{path};
1194	local $self->{load_path};	1766	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1767
1198	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1199	}	1769	}
1200		1770
1201	sub normalise {	1771	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1249	return $self;	1819	return $self;
1250	}	1820	}
1251	}	1821	}
1252		1822
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1824	()
1255	}	1825	}
1256		1826
1257	sub init {	1827	sub init {
1258	my ($self) = @_;	1828	my ($self) = @_;
…		…
1273		1843
1274	# the original (read-only) location	1844	# the original (read-only) location
1275	sub load_path {	1845	sub load_path {
1276	my ($self) = @_;	1846	my ($self) = @_;
1277		1847
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1279	}	1849	}
1280		1850
1281	# the temporary/swap location	1851	# the temporary/swap location
1282	sub save_path {	1852	sub save_path {
1283	my ($self) = @_;	1853	my ($self) = @_;
1284		1854
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1287	}	1857	}
1288		1858
1289	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1290	sub uniq_path {	1860	sub uniq_path {
1291	my ($self) = @_;	1861	my ($self) = @_;
1292		1862
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1295	}	1865	}
1296		1866
1297	# and all this just because we cannot iterate over	1867	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1868	my ($self) = @_;
1301		1869
1302	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1304	}	1873	}
1305		1874
1306	sub unlink_save {	1875	sub unlink_save {
1307	my ($self) = @_;	1876	my ($self) = @_;
1308		1877
1309	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1881	}
1318		1882
1319	sub load_header_from($) {	1883	sub load_header_from($) {
1320	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1321		1885
1322	utf8::encode $path;	1886	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1328		1895
1329	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1330		1897
1331	1	1898	1
1332	}	1899	}
…		…
1371	$self->load_header_orig	1938	$self->load_header_orig
1372	or return;	1939	or return;
1373	$self->prepare_orig;	1940	$self->prepare_orig;
1374	}	1941	}
1375		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1376	1	1949	1
1377	}	1950	}
1378		1951
1379	sub find;	1952	sub find;
1380	sub find {	1953	sub find {
1381	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1382		1955
1383	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1384		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1386		1960
1387	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1390	or return;	1963	or return;
1391		1964
1392	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1393		1966
1394	$map->load_header	1967	$map->load_header
1395	or return;	1968	or return;
1396		1969
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1400	$map->reset;	1975	$map->reset;
1401	undef $guard;
1402	return find $path;	1976	return find $path;
1403	}	1977	}
1404		1978
1405	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1406	}	1980	}
…		…
1413	my ($self) = @_;	1987	my ($self) = @_;
1414		1988
1415	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1416		1990
1417	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1419		1995
		1996	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1998
1422	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1423		2000
1424	$self->alloc;	2001	$self->alloc;
1425		2002
1426	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1427		2005
1428	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1429	or return;	2009	or return;
1430		2010
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1432	if delete $self->{load_original};	2012	if delete $self->{load_original};
1433		2013
1434	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2015	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2018	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1439	}	2022	}
1440	}	2023	}
1441		2024
1442	Coro::cede;	2025	$f->resolve_delayed_derefs;
1443		2026
		2027	cf::cede_to_tick;
1444	# now do the right thing for maps	2028	# now do the right thing for maps
1445	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2031	unless $self->difficulty;
1455	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1456	$self->activate;	2039	$self->activate;
		2040	}
		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
		2045	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2046	}
1458		2047
1459	$self->post_load;	2048	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2049	}
1463		2050
1464	sub customise_for {	2051	sub customise_for {
1465	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1466		2053
1467	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2055	if $self->per_player;
1469		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1470	$self	2060	$self
1471	}	2061	}
1472		2062
1473	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2064	sub load_neighbours {
1475	my ($map) = @_;	2065	my ($map) = @_;
1476		2066
1477	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1478		2068
1479	for (0 .. 3) {	2069	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1481	or next;	2071	or next;
1482	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1483	or next;	2073	or next;
1484	$neigh->load;	2074	$neigh->load;
1485		2075
		2076	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2079	}
1489		2080
1490	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1492	or next;	2084	or next;
1493	$neigh->load;	2085	$neigh->load;
1494	}	2086	}
1495	}	2087	}
1496		2088
…		…
1501	}	2093	}
1502		2094
1503	sub do_load_sync {	2095	sub do_load_sync {
1504	my ($map) = @_;	2096	my ($map) = @_;
1505		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1506	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1507	}	2102	}
1508		2103
1509	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1511		2106
1512	sub find_async {	2107	sub find_async {
1513	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1514		2109
1515	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1516		2111
1517	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2114	}
1520		2115
1521	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1522	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1523	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2123	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2124	$map->load if $v;
		2125	}
1528		2126
1529	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1530	}	2128	}
1531	}	2129	}
1532	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1533	};	2131	};
1534	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2135	}
1538		2136
1539	sub save {	2137	sub save {
1540	my ($self) = @_;	2138	my ($self) = @_;
1541		2139
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2141
1544	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1545		2143
1546	return unless $self->dirty;	2144	return unless $self->dirty;
1547		2145
…		…
1553	return if $self->{deny_save};	2151	return if $self->{deny_save};
1554		2152
1555	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1556		2154
1557	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1559	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1560		2161
1561	if ($uniq) {	2162	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2165	} else {
…		…
1570	my ($self) = @_;	2171	my ($self) = @_;
1571		2172
1572	# save first because save cedes	2173	# save first because save cedes
1573	$self->save;	2174	$self->save;
1574		2175
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2177
1577	return if $self->players;	2178	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2180	return if $self->{deny_save};
1580		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2186	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2187	}
1584		2188
1585	sub reset_at {	2189	sub reset_at {
1586	my ($self) = @_;	2190	my ($self) = @_;
1587		2191
1588	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1591		2194
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2197
…		…
1605	my ($self) = @_;	2208	my ($self) = @_;
1606		2209
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2211
1609	return if $self->players;	2212	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2213
1612	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1613		2225
1614	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1615		2227
1616	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2230	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2231
1621	$self->unlink_save;	2232	$self->unlink_save;
1622	$self->destroy;	2233	$self->destroy;
1623	}	2234	}
1624		2235
1625	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1626		2237
1627	sub nuke {	2238	sub nuke {
1628	my ($self) = @_;	2239	my ($self) = @_;
1629		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1630	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1631		2245
1632	$self->unlink_save;	2246	$self->unlink_save;
1633		2247
1634	bless $self, "cf::map";	2248	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2253
1640	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1641		2256
1642	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1643	}	2294	}
1644		2295
1645	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1646		2297
1647	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2299	instantiated unique items. May block.
1649		2300
1650	=cut	2301	=cut
1651		2302
1652	sub unique_maps() {	2303	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1654	or return;	2305	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2306	utf8::decode $_;
1660	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2309	? ()
1663	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2312	]
1665
1666	\@paths
1667	}	2313	}
1668
1669	package cf;
1670		2314
1671	=back	2315	=back
1672		2316
1673	=head3 cf::object	2317	=head3 cf::object
1674		2318
…		…
1678		2322
1679	=over 4	2323	=over 4
1680		2324
1681	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1682		2326
1683	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1684		2329
1685	=cut	2330	=cut
1686		2331
1687	sub inv_recursive_;	2332	sub inv_recursive_;
1688	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1691		2336
1692	sub inv_recursive {	2337	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1694	}	2339	}
1695		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1696	package cf;	2369	package cf;
1697		2370
1698	=back	2371	=back
1699		2372
1700	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1706	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1707	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1708	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1709		2382
1710	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1711		2398
1712	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1713	# with dialog boxes.	2400	# with dialog boxes.
1714	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1715	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1717		2404
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2406
1720	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1722	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1725	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1726	}	2432	}
1727		2433
1728	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1729		2435
1730	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1743		2449
1744	=item $player_object->enter_link	2450	=item $player_object->enter_link
1745		2451
1746	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1747		2453
1748	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1749	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1750		2458
1751	Will never block.	2459	Will never block.
1752		2460
1753	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1754		2462
…		…
1777	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1778		2486
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2488
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1783		2491
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2493	}
1786		2494
1787	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1789		2499
1790	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1791		2501
1792	unless ($map) {	2502	unless ($map) {
1793	# restore original map position	2503	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1810		2520
1811	$map->load;	2521	$map->load;
1812	$map->load_diag;	2522	$map->load_neighbours;
1813		2523
1814	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1815	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1817	}	2530	}
1818		2531
1819	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2533
1823	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1827	};	2538	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2539
1833	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1834	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850		2542
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1854		2546
1855	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2552
1858	$self->enter_link;	2553	$self->enter_link;
1859		2554
1860	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1861	my $map = eval {	2577	my $map = eval {
1862	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1864	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2593	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1869	})->prio (1);	2601	})->prio (1);
1870	}	2602	}
1871		2603
1872	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1873		2605
…		…
1893	}	2625	}
1894		2626
1895	sub prepare_random_map {	2627	sub prepare_random_map {
1896	my ($exit) = @_;	2628	my ($exit) = @_;
1897		2629
1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1901	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1902	# that depends on the exit object	2632	# that depends on the exit object
1903		2633
1904	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1906	if ($exit->map) {	2636	if ($exit->map) {
1907	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1908	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1909	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1910	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1911	}	2643	}
1912		2644
1913	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1914		2646
1915	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1918		2650
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2653	undef $fh;
1922	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1923		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1924	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1925	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1926	}	2662	}
1927	}	2663	}
1928		2664
1929	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1930	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1931		2667
1932	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1933		2669
1934	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
1936	cf::sync_job { prepare_random_map $exit };
1937	}
1938
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;
1942
1943	$self->enter_link;	2670	$self->enter_link;
1944		2671
1945	(async {	2672	(async {
1946	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1947	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
1948	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1949		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
1950	1;	2696	1
1951	}) {	2697	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1953	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2702
1957	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2704	$self->leave_link;
1959	}	2705	}
1960	})->prio (1);	2706	})->prio (1);
…		…
1973		2719
1974	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1976		2722
1977	utf8::encode $text;	2723	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2725	}
1980		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/death" => {
		2799	id => "death",
		2800	title => "Death",
		2801	reply => undef,
		2802	tooltip => "Reason for and more info about your most recent death",
		2803	},
		2804	"c/say" => $SAY_CHANNEL,
		2805	"c/chat" => $CHAT_CHANNEL,
		2806	);
		2807
		2808	sub cf::client::send_msg {
		2809	my ($self, $channel, $msg, $color, @extra) = @_;
		2810
		2811	$msg = $self->pl->expand_cfpod ($msg)
		2812	unless $color & cf::NDI_VERBATIM;
		2813
		2814	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2815
		2816	# check predefined channels, for the benefit of C
		2817	if ($CHANNEL{$channel}) {
		2818	$channel = $CHANNEL{$channel};
		2819
		2820	$self->ext_msg (channel_info => $channel);
		2821	$channel = $channel->{id};
		2822
		2823	} elsif (ref $channel) {
		2824	# send meta info to client, if not yet sent
		2825	unless (exists $self->{channel}{$channel->{id}}) {
		2826	$self->{channel}{$channel->{id}} = $channel;
		2827	$self->ext_msg (channel_info => $channel);
		2828	}
		2829
		2830	$channel = $channel->{id};
		2831	}
		2832
		2833	return unless @extra || length $msg;
		2834
		2835	# default colour, mask it out
		2836	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2837	if $color & cf::NDI_DEF;
		2838
		2839	my $pkt = "msg "
		2840	. $self->{json_coder}->encode (
		2841	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2842	);
		2843
		2844	# try lzf for large packets
		2845	$pkt = "lzf " . Compress::LZF::compress $pkt
		2846	if 1024 <= length $pkt and $self->{can_lzf};
		2847
		2848	# split very large packets
		2849	if (8192 < length $pkt and $self->{can_lzf}) {
		2850	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2851	$pkt = "frag";
		2852	}
		2853
		2854	$self->send_packet ($pkt);
		2855	}
		2856
		2857	=item $client->ext_msg ($type, @msg)
		2858
		2859	Sends an ext event to the client.
		2860
		2861	=cut
		2862
		2863	sub cf::client::ext_msg($$@) {
		2864	my ($self, $type, @msg) = @_;
		2865
		2866	if ($self->extcmd == 2) {
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2868	} elsif ($self->extcmd == 1) { # TODO: remove
		2869	push @msg, msgtype => "event_$type";
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2871	}
		2872	}
		2873
		2874	=item $client->ext_reply ($msgid, @msg)
		2875
		2876	Sends an ext reply to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_reply($$@) {
		2881	my ($self, $id, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2885	} elsif ($self->extcmd == 1) {
		2886	#TODO: version 1, remove
		2887	unshift @msg, msgtype => "reply", msgid => $id;
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
1981		2891
1982	=item $success = $client->query ($flags, "text", \&cb)	2892	=item $success = $client->query ($flags, "text", \&cb)
1983		2893
1984	Queues a query to the client, calling the given callback with	2894	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2895	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2896	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2897
1988	Queries can fail, so check the return code. Or don't, as queries will become	2898	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2899	become reliable at some point in the future.
1990		2900
1991	=cut	2901	=cut
1992		2902
1993	sub cf::client::query {	2903	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2904	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2912	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2913	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2914
2005	$self->send_packet ($self->{query_queue}[0][0])	2915	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2916	if @{ $self->{query_queue} } == 1;
		2917
		2918	1
2007	}	2919	}
2008		2920
2009	cf::client->attach (	2921	cf::client->attach (
		2922	on_connect => sub {
		2923	my ($ns) = @_;
		2924
		2925	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2926	},
2010	on_reply => sub {	2927	on_reply => sub {
2011	my ($ns, $msg) = @_;	2928	my ($ns, $msg) = @_;
2012		2929
2013	# this weird shuffling is so that direct followup queries	2930	# this weird shuffling is so that direct followup queries
2014	# get handled first	2931	# get handled first
…		…
2026	} else {	2943	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2944	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2945	}
2029	}	2946	}
2030	},	2947	},
		2948	on_exticmd => sub {
		2949	my ($ns, $buf) = @_;
		2950
		2951	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2952
		2953	if (ref $msg) {
		2954	my ($type, $reply, @payload) =
		2955	"ARRAY" eq ref $msg
		2956	? @$msg
		2957	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2958
		2959	my @reply;
		2960
		2961	if (my $cb = $EXTICMD{$type}) {
		2962	@reply = $cb->($ns, @payload);
		2963	}
		2964
		2965	$ns->ext_reply ($reply, @reply)
		2966	if $reply;
		2967
		2968	} else {
		2969	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2970	}
		2971
		2972	cf::override;
		2973	},
2031	);	2974	);
2032		2975
2033	=item $client->async (\&cb)	2976	=item $client->async (\&cb)
2034		2977
2035	Create a new coroutine, running the specified callback. The coroutine will	2978	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	3019	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3020	our $safe_hole = new Safe::Hole;
2078		3021
2079	$SIG{FPE} = 'IGNORE';	3022	$SIG{FPE} = 'IGNORE';
2080		3023
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3024	$safe->permit_only (Opcode::opset qw(
		3025	:base_core :base_mem :base_orig :base_math
		3026	grepstart grepwhile mapstart mapwhile
		3027	sort time
		3028	));
2082		3029
2083	# here we export the classes and methods available to script code	3030	# here we export the classes and methods available to script code
2084		3031
2085	=pod	3032	=pod
2086		3033
2087	The following fucntions and emthods are available within a safe environment:	3034	The following functions and methods are available within a safe environment:
2088		3035
2089	cf::object contr pay_amount pay_player map	3036	cf::object
		3037	contr pay_amount pay_player map x y force_find force_add destroy
		3038	insert remove name archname title slaying race decrease split
		3039
2090	cf::object::player player	3040	cf::object::player
2091	cf::player peaceful	3041	player
2092	cf::map trigger	3042
		3043	cf::player
		3044	peaceful
		3045
		3046	cf::map
		3047	trigger
2093		3048
2094	=cut	3049	=cut
2095		3050
2096	for (	3051	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3052	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3053	insert remove inv nrof name archname title slaying race
		3054	decrease split destroy change_exp)],
2098	["cf::object::player" => qw(player)],	3055	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3056	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	3057	["cf::map" => qw(trigger)],
2101	) {	3058	) {
2102	no strict 'refs';	3059	no strict 'refs';
…		…
2173	=back	3130	=back
2174		3131
2175	=cut	3132	=cut
2176		3133
2177	#############################################################################	3134	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248
2249	#############################################################################
2250	# the server's init and main functions	3135	# the server's init and main functions
2251		3136
		3137	sub load_facedata($) {
		3138	my ($path) = @_;
		3139
		3140	# HACK to clear player env face cache, we need some signal framework
		3141	# for this (global event?)
		3142	%ext::player_env::MUSIC_FACE_CACHE = ();
		3143
		3144	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3145
		3146	warn "loading facedata from $path\n";
		3147
		3148	my $facedata;
		3149	0 < aio_load $path, $facedata
		3150	or die "$path: $!";
		3151
		3152	$facedata = Coro::Storable::thaw $facedata;
		3153
		3154	$facedata->{version} == 2
		3155	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3156
		3157	# patch in the exptable
		3158	$facedata->{resource}{"res/exp_table"} = {
		3159	type => FT_RSRC,
		3160	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3161	};
		3162	cf::cede_to_tick;
		3163
		3164	{
		3165	my $faces = $facedata->{faceinfo};
		3166
		3167	while (my ($face, $info) = each %$faces) {
		3168	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3169
		3170	cf::face::set_visibility $idx, $info->{visibility};
		3171	cf::face::set_magicmap $idx, $info->{magicmap};
		3172	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3173	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3174
		3175	cf::cede_to_tick;
		3176	}
		3177
		3178	while (my ($face, $info) = each %$faces) {
		3179	next unless $info->{smooth};
		3180
		3181	my $idx = cf::face::find $face
		3182	or next;
		3183
		3184	if (my $smooth = cf::face::find $info->{smooth}) {
		3185	cf::face::set_smooth $idx, $smooth;
		3186	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3187	} else {
		3188	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3189	}
		3190
		3191	cf::cede_to_tick;
		3192	}
		3193	}
		3194
		3195	{
		3196	my $anims = $facedata->{animinfo};
		3197
		3198	while (my ($anim, $info) = each %$anims) {
		3199	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3200	cf::cede_to_tick;
		3201	}
		3202
		3203	cf::anim::invalidate_all; # d'oh
		3204	}
		3205
		3206	{
		3207	# TODO: for gcfclient pleasure, we should give resources
		3208	# that gcfclient doesn't grok a >10000 face index.
		3209	my $res = $facedata->{resource};
		3210
		3211	while (my ($name, $info) = each %$res) {
		3212	if (defined $info->{type}) {
		3213	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3214	my $data;
		3215
		3216	if ($info->{type} & 1) {
		3217	# prepend meta info
		3218
		3219	my $meta = $enc->encode ({
		3220	name => $name,
		3221	%{ $info->{meta} || {} },
		3222	});
		3223
		3224	$data = pack "(w/a*)*", $meta, $info->{data};
		3225	} else {
		3226	$data = $info->{data};
		3227	}
		3228
		3229	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3230	cf::face::set_type $idx, $info->{type};
		3231	} else {
		3232	$RESOURCE{$name} = $info;
		3233	}
		3234
		3235	cf::cede_to_tick;
		3236	}
		3237	}
		3238
		3239	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3240
		3241	1
		3242	}
		3243
		3244	cf::global->attach (on_resource_update => sub {
		3245	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3246	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3247
		3248	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3249	my $sound = $soundconf->{compat}[$_]
		3250	or next;
		3251
		3252	my $face = cf::face::find "sound/$sound->[1]";
		3253	cf::sound::set $sound->[0] => $face;
		3254	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3255	}
		3256
		3257	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3258	my $face = cf::face::find "sound/$v";
		3259	cf::sound::set $k => $face;
		3260	}
		3261	}
		3262	});
		3263
		3264	register_exticmd fx_want => sub {
		3265	my ($ns, $want) = @_;
		3266
		3267	while (my ($k, $v) = each %$want) {
		3268	$ns->fx_want ($k, $v);
		3269	}
		3270	};
		3271
2252	sub load_resources {	3272	sub load_resource_file($) {
2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3273	my $guard = lock_acquire "load_resource_file";
		3274
		3275	my $status = load_resource_file_ $_[0];
		3276	get_slot 0.1, 100;
		3277	cf::arch::commit_load;
		3278
		3279	$status
		3280	}
		3281
		3282	sub reload_regions {
		3283	# HACK to clear player env face cache, we need some signal framework
		3284	# for this (global event?)
		3285	%ext::player_env::MUSIC_FACE_CACHE = ();
		3286
		3287	load_resource_file "$MAPDIR/regions"
2254	or die "unable to load regions file\n";#d#	3288	or die "unable to load regions file\n";
2255	}
2256		3289
2257	sub cfg_load {	3290	for (cf::region::list) {
		3291	$_->{match} = qr/$_->{match}/
		3292	if exists $_->{match};
		3293	}
		3294	}
		3295
		3296	sub reload_facedata {
		3297	load_facedata "$DATADIR/facedata"
		3298	or die "unable to load facedata\n";
		3299	}
		3300
		3301	sub reload_archetypes {
		3302	load_resource_file "$DATADIR/archetypes"
		3303	or die "unable to load archetypes\n";
		3304	}
		3305
		3306	sub reload_treasures {
		3307	load_resource_file "$DATADIR/treasures"
		3308	or die "unable to load treasurelists\n";
		3309	}
		3310
		3311	sub reload_resources {
		3312	warn "reloading resource files...\n";
		3313
		3314	reload_facedata;
		3315	reload_archetypes;
		3316	reload_regions;
		3317	reload_treasures;
		3318
		3319	warn "finished reloading resource files\n";
		3320	}
		3321
		3322	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3323	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3324	or return;
2260		3325
2261	local $/;	3326	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3327	*CFG = YAML::Load <$fh>;
2263		3328
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3329	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3330
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3331	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3332	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2273	};	3338	};
2274	warn $@ if $@;	3339	warn $@ if $@;
2275	}	3340	}
2276	}	3341	}
2277		3342
2278	sub init {	3343	sub pidfile() {
2279	load_resources;	3344	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3345	or die "$PIDFILE: $!";
		3346	flock $fh, &Fcntl::LOCK_EX
		3347	or die "$PIDFILE: flock: $!";
		3348	$fh
		3349	}
		3350
		3351	# make sure only one server instance is running at any one time
		3352	sub atomic {
		3353	my $fh = pidfile;
		3354
		3355	my $pid = <$fh>;
		3356	kill 9, $pid if $pid > 0;
		3357
		3358	seek $fh, 0, 0;
		3359	print $fh $$;
2280	}	3360	}
2281		3361
2282	sub main {	3362	sub main {
		3363	cf::init_globals; # initialise logging
		3364
		3365	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3366	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3367	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3368	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3369
		3370	cf::init_experience;
		3371	cf::init_anim;
		3372	cf::init_attackmess;
		3373	cf::init_dynamic;
		3374
		3375	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3376
2283	# we must not ever block the main coroutine	3377	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3378	local $Coro::idle = sub {
2285	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3379	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2286	(async {	3380	(async {
2287	Event::one_event;	3381	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3382	EV::loop EV::LOOP_ONESHOT;
2288	})->prio (Coro::PRIO_MAX);	3383	})->prio (Coro::PRIO_MAX);
2289	};	3384	};
2290		3385
2291	cfg_load;	3386	evthread_start IO::AIO::poll_fileno;
2292	db_load;	3387
		3388	cf::sync_job {
		3389	reload_resources;
		3390	reload_config;
		3391	db_init;
		3392
		3393	cf::load_settings;
		3394	cf::load_materials;
		3395	cf::init_uuid;
		3396	cf::init_signals;
		3397	cf::init_commands;
		3398	cf::init_skills;
		3399
		3400	cf::init_beforeplay;
		3401
		3402	atomic;
		3403
2293	load_extensions;	3404	load_extensions;
2294		3405
2295	$TICK_WATCHER->start;	3406	utime time, time, $RUNTIMEFILE;
		3407
		3408	# no (long-running) fork's whatsoever before this point(!)
		3409	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3410
		3411	(pop @POST_INIT)->(0) while @POST_INIT;
		3412	};
		3413
2296	Event::loop;	3414	EV::loop;
2297	}	3415	}
2298		3416
2299	#############################################################################	3417	#############################################################################
2300	# initialisation and cleanup	3418	# initialisation and cleanup
2301		3419
2302	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2303	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2304	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2305	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2306	reentrant => 0,
2307	data => WF_AUTOCANCEL,
2308	signal => $signal,
2309	prio => 0,
2310	cb => sub {
2311	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2312	},
2313	);	3426	};
		3427	}
		3428	}
		3429
		3430	sub write_runtime_sync {
		3431	# first touch the runtime file to show we are still running:
		3432	# the fsync below can take a very very long time.
		3433
		3434	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3435
		3436	my $guard = cf::lock_acquire "write_runtime";
		3437
		3438	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3439	or return;
		3440
		3441	my $value = $cf::RUNTIME + 90 + 10;
		3442	# 10 is the runtime save interval, for a monotonic clock
		3443	# 60 allows for the watchdog to kill the server.
		3444
		3445	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3446	and return;
		3447
		3448	# always fsync - this file is important
		3449	aio_fsync $fh
		3450	and return;
		3451
		3452	# touch it again to show we are up-to-date
		3453	aio_utime $fh, undef, undef;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3459	and return;
		3460
		3461	warn "runtime file written.\n";
		3462
2314	}	3463	1
		3464	}
		3465
		3466	our $uuid_lock;
		3467	our $uuid_skip;
		3468
		3469	sub write_uuid_sync($) {
		3470	$uuid_skip ||= $_[0];
		3471
		3472	return if $uuid_lock;
		3473	local $uuid_lock = 1;
		3474
		3475	my $uuid = "$LOCALDIR/uuid";
		3476
		3477	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3478	or return;
		3479
		3480	my $value = uuid_seq uuid_cur;
		3481
		3482	unless ($value) {
		3483	warn "cowardly refusing to write zero uuid value!\n";
		3484	return;
		3485	}
		3486
		3487	my $value = uuid_str $value + $uuid_skip;
		3488	$uuid_skip = 0;
		3489
		3490	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3491	and return;
		3492
		3493	# always fsync - this file is important
		3494	aio_fsync $fh
		3495	and return;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$uuid~", $uuid
		3501	and return;
		3502
		3503	warn "uuid file written ($value).\n";
		3504
		3505	1
		3506
		3507	}
		3508
		3509	sub write_uuid($$) {
		3510	my ($skip, $sync) = @_;
		3511
		3512	$sync ? write_uuid_sync $skip
		3513	: async { write_uuid_sync $skip };
2315	}	3514	}
2316		3515
2317	sub emergency_save() {	3516	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3517	my $freeze_guard = cf::freeze_mainloop;
2319		3518
2320	warn "enter emergency perl save\n";	3519	warn "emergency_perl_save: enter\n";
2321		3520
2322	cf::sync_job {	3521	cf::sync_job {
		3522	# this is a trade-off: we want to be very quick here, so
		3523	# save all maps without fsync, and later call a global sync
		3524	# (which in turn might be very very slow)
		3525	local $USE_FSYNC = 0;
		3526
2323	# use a peculiar iteration method to avoid tripping on perl	3527	# use a peculiar iteration method to avoid tripping on perl
2324	# refcount bugs in for. also avoids problems with players	3528	# refcount bugs in for. also avoids problems with players
2325	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2326	warn "begin emergency player save\n";	3530	warn "emergency_perl_save: begin player save\n";
2327	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2328	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2329	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2330	$pl->save;	3535	$pl->save;
2331	}	3536	}
2332	warn "end emergency player save\n";	3537	warn "emergency_perl_save: end player save\n";
2333		3538
2334	warn "begin emergency map save\n";	3539	warn "emergency_perl_save: begin map save\n";
2335	for my $path (keys %cf::MAP) {	3540	for my $path (keys %cf::MAP) {
2336	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2337	$map->valid or next;	3542	$map->valid or next;
2338	$map->save;	3543	$map->save;
2339	}	3544	}
2340	warn "end emergency map save\n";	3545	warn "emergency_perl_save: end map save\n";
2341		3546
2342	warn "begin emergency database checkpoint\n";	3547	warn "emergency_perl_save: begin database checkpoint\n";
2343	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2344	warn "end emergency database checkpoint\n";	3549	warn "emergency_perl_save: end database checkpoint\n";
		3550
		3551	warn "emergency_perl_save: begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "emergency_perl_save: end write uuid\n";
2345	};	3554	};
2346		3555
		3556	warn "emergency_perl_save: starting sync()\n";
		3557	IO::AIO::aio_sync sub {
		3558	warn "emergency_perl_save: finished sync()\n";
		3559	};
		3560
2347	warn "leave emergency perl save\n";	3561	warn "emergency_perl_save: leave\n";
2348	}	3562	}
2349		3563
		3564	sub post_cleanup {
		3565	my ($make_core) = @_;
		3566
		3567	warn Carp::longmess "post_cleanup backtrace"
		3568	if $make_core;
		3569
		3570	my $fh = pidfile;
		3571	unlink $PIDFILE if <$fh> == $$;
		3572	}
		3573
		3574	# a safer delete_package, copied from Symbol
		3575	sub clear_package($) {
		3576	my $pkg = shift;
		3577
		3578	# expand to full symbol table name if needed
		3579	unless ($pkg =~ /^main::.*::$/) {
		3580	$pkg = "main$pkg" if $pkg =~ /^::/;
		3581	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3582	$pkg .= '::' unless $pkg =~ /::$/;
		3583	}
		3584
		3585	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3586	my $stem_symtab = *{$stem}{HASH};
		3587
		3588	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3589	or return;
		3590
		3591	# clear all symbols
		3592	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3593	for my $name (keys %$leaf_symtab) {
		3594	_gv_clear *{"$pkg$name"};
		3595	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3596	}
		3597	warn "cleared package $pkg\n";#d#
		3598	}
		3599
2350	sub reload() {	3600	sub do_reload_perl() {
2351	# can/must only be called in main	3601	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3602	if ($Coro::current != $Coro::main) {
2353	warn "can only reload from main coroutine";	3603	warn "can only reload from main coroutine";
2354	return;	3604	return;
2355	}	3605	}
2356		3606
		3607	return if $RELOAD++;
		3608
		3609	my $t1 = EV::time;
		3610
		3611	while ($RELOAD) {
2357	warn "reloading...";	3612	warn "reloading...";
2358		3613
2359	warn "cancelling server ticker";	3614	warn "entering sync_job";
2360	$TICK_WATCHER->cancel;
2361		3615
		3616	cf::sync_job {
		3617	cf::write_runtime_sync; # external watchdog should not bark
2362	cf::emergency_save;	3618	cf::emergency_save;
		3619	cf::write_runtime_sync; # external watchdog should not bark
2363		3620
2364	eval {	3621	warn "syncing database to disk";
		3622	BDB::db_env_txn_checkpoint $DB_ENV;
		3623
2365	# if anything goes wrong in here, we should simply crash as we already saved	3624	# if anything goes wrong in here, we should simply crash as we already saved
2366		3625
2367	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374
2375	warn "flushing outstanding aio requests";	3626	warn "flushing outstanding aio requests";
2376	for (;;) {
2377	BDB::flush;
2378	IO::AIO::flush;
2379	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;	3627	while (IO::AIO::nreqs || BDB::nreqs) {
2381	warn "iterate...";	3628	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2382	}
2383
2384	warn "cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();
2387
2388	warn "removing commands";
2389	%COMMAND = ();
2390
2391	warn "removing ext commands";
2392	%EXTCMD = ();
2393
2394	warn "unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";
2397
2398	if (my $cb = $pkg->can ("unload")) {
2399	eval {
2400	$cb->($pkg);
2401	1
2402	} or warn "$pkg unloaded, but with errors: $@";
2403	}	3629	}
2404		3630
2405	warn "... nuking $pkg";	3631	warn "cancelling all extension coros";
2406	Symbol::delete_package $pkg;	3632	$_->cancel for values %EXT_CORO;
2407	}	3633	%EXT_CORO = ();
2408		3634
2409	warn "unloading all perl modules loaded from $LIBDIR";	3635	warn "removing commands";
2410	while (my ($k, $v) = each %INC) {	3636	%COMMAND = ();
2411	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2412		3637
		3638	warn "removing ext/exti commands";
		3639	%EXTCMD = ();
		3640	%EXTICMD = ();
		3641
		3642	warn "unloading/nuking all extensions";
		3643	for my $pkg (@EXTS) {
2413	warn "... unloading $k";	3644	warn "... unloading $pkg";
2414	delete $INC{$k};
2415		3645
2416	$k =~ s/\.pm$//;
2417	$k =~ s/\//::/g;
2418
2419	if (my $cb = $k->can ("unload_module")) {	3646	if (my $cb = $pkg->can ("unload")) {
		3647	eval {
2420	$cb->();	3648	$cb->($pkg);
		3649	1
		3650	} or warn "$pkg unloaded, but with errors: $@";
		3651	}
		3652
		3653	warn "... clearing $pkg";
		3654	clear_package $pkg;
2421	}	3655	}
2422		3656
2423	Symbol::delete_package $k;	3657	warn "unloading all perl modules loaded from $LIBDIR";
		3658	while (my ($k, $v) = each %INC) {
		3659	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3660
		3661	warn "... unloading $k";
		3662	delete $INC{$k};
		3663
		3664	$k =~ s/\.pm$//;
		3665	$k =~ s/\//::/g;
		3666
		3667	if (my $cb = $k->can ("unload_module")) {
		3668	$cb->();
		3669	}
		3670
		3671	clear_package $k;
2424	}	3672	}
2425		3673
2426	warn "getting rid of safe::, as good as possible";	3674	warn "getting rid of safe::, as good as possible";
2427	Symbol::delete_package "safe::$_"	3675	clear_package "safe::$_"
2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3676	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429		3677
2430	warn "unloading cf.pm \"a bit\"";	3678	warn "unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	3679	delete $INC{"cf.pm"};
		3680	delete $INC{"cf/pod.pm"};
2432		3681
2433	# don't, removes xs symbols, too,	3682	# don't, removes xs symbols, too,
2434	# and global variables created in xs	3683	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	3684	#clear_package __PACKAGE__;
2436		3685
2437	warn "unload completed, starting to reload now";	3686	warn "unload completed, starting to reload now";
2438		3687
2439	warn "reloading cf.pm";	3688	warn "reloading cf.pm";
2440	require cf;	3689	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3690	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442		3691
2443	warn "loading config and database again";	3692	warn "loading config and database again";
2444	cf::cfg_load;	3693	cf::reload_config;
2445	cf::db_load;
2446		3694
2447	warn "loading extensions";	3695	warn "loading extensions";
2448	cf::load_extensions;	3696	cf::load_extensions;
2449		3697
		3698	if ($REATTACH_ON_RELOAD) {
2450	warn "reattaching attachments to objects/players";	3699	warn "reattaching attachments to objects/players";
2451	_global_reattach;	3700	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	3701	warn "reattaching attachments to maps";
2453	reattach $_ for values %MAP;	3702	reattach $_ for values %MAP;
		3703	warn "reattaching attachments to players";
		3704	reattach $_ for values %PLAYER;
		3705	}
2454		3706
2455	warn "loading reloadable resources";	3707	warn "running post_init jobs";
2456	load_resources;	3708	(pop @POST_INIT)->(1) while @POST_INIT;
2457		3709
2458	warn "restarting server ticker";	3710	warn "leaving sync_job";
2459		3711
2460	$TICK_WATCHER->start;	3712	1
		3713	} or do {
		3714	warn $@;
		3715	cf::cleanup "error while reloading, exiting.";
		3716	};
		3717
		3718	warn "reloaded";
		3719	--$RELOAD;
		3720	}
		3721
		3722	$t1 = EV::time - $t1;
		3723	warn "reload completed in ${t1}s\n";
		3724	};
		3725
		3726	our $RELOAD_WATCHER; # used only during reload
		3727
		3728	sub reload_perl() {
		3729	# doing reload synchronously and two reloads happen back-to-back,
		3730	# coro crashes during coro_state_free->destroy here.
		3731
		3732	$RELOAD_WATCHER ||= cf::async {
		3733	Coro::AIO::aio_wait cache_extensions;
		3734
		3735	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3736	do_reload_perl;
		3737	undef $RELOAD_WATCHER;
		3738	};
2461	};	3739	};
2462		3740	}
2463	if ($@) {
2464	warn $@;
2465	warn "error while reloading, exiting.";
2466	exit 1;
2467	}
2468
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		3741
2474	register_command "reload" => sub {	3742	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3743	my ($who, $arg) = @_;
2476		3744
2477	if ($who->flag (FLAG_WIZ)) {	3745	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3746	$who->message ("reloading server.");
2479		3747	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3748	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3749	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3750	};
2492	}	3751	}
2493	};	3752	};
2494		3753
2495	unshift @INC, $LIBDIR;	3754	unshift @INC, $LIBDIR;
2496		3755
2497	my $bug_warning = 0;	3756	my $bug_warning = 0;
2498		3757
2499	$TICK_WATCHER = Event->timer (	3758	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3759	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3760
2502	prio => 0,	3761	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3762	return if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	3763
2505	cb => sub {	3764	my $signal = new Coro::Signal;
		3765	push @WAIT_FOR_TICK, $signal;
		3766	$signal->wait;
		3767	}
		3768
		3769	sub wait_for_tick_begin {
		3770	return if tick_inhibit || $Coro::current == $Coro::main;
		3771
		3772	my $signal = new Coro::Signal;
		3773	push @WAIT_FOR_TICK_BEGIN, $signal;
		3774	$signal->wait;
		3775	}
		3776
		3777	sub tick {
2506	if ($Coro::current != $Coro::main) {	3778	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3779	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3780	unless ++$bug_warning > 10;
2509	return;	3781	return;
2510	}	3782	}
2511		3783
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	3784	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		3785
2518	$WAIT_FOR_TICK->broadcast;	3786	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3787	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3788	Coro::async_pool {
		3789	$Coro::current->{desc} = "runtime saver";
		3790	write_runtime_sync
		3791	or warn "ERROR: unable to write runtime file: $!";
		3792	};
		3793	}
2520		3794
2521	Event::sweep;	3795	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2522	Coro::cede_notself;	3796	$sig->send;
		3797	}
		3798	while (my $sig = shift @WAIT_FOR_TICK) {
		3799	$sig->send;
		3800	}
		3801
		3802	$LOAD = ($NOW - $TICK_START) / $TICK;
		3803	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3804
		3805	if (0) {
		3806	if ($NEXT_TICK) {
		3807	my $jitter = $TICK_START - $NEXT_TICK;
		3808	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3809	warn "jitter $JITTER\n";#d#
2523		3810	}
2524	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#
2526
2527	# if we are delayed by four ticks or more, skip them all
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2529
2530	$TICK_WATCHER->at ($NEXT_TICK);
2531	$TICK_WATCHER->start;
2532	},	3811	}
2533	);	3812	}
2534		3813
2535	{	3814	{
2536	BDB::max_poll_time $TICK * 0.1;	3815	# configure BDB
2537	$BDB_POLL_WATCHER = Event->io (	3816
2538	reentrant => 0,
2539	fd => BDB::poll_fileno,
2540	poll => 'r',
2541	prio => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => \&BDB::poll_cb,
2544	);
2545	BDB::min_parallel 8;	3817	BDB::min_parallel 8;
2546		3818	BDB::max_poll_reqs $TICK * 0.1;
2547	BDB::set_sync_prepare {	3819	$AnyEvent::BDB::WATCHER->priority (1);
2548	my $status;
2549	my $current = $Coro::current;
2550	(
2551	sub {
2552	$status = $!;
2553	$current->ready; undef $current;
2554	},
2555	sub {
2556	Coro::schedule while defined $current;
2557	$! = $status;
2558	},
2559	)
2560	};
2561		3820
2562	unless ($DB_ENV) {	3821	unless ($DB_ENV) {
2563	$DB_ENV = BDB::db_env_create;	3822	$DB_ENV = BDB::db_env_create;
		3823	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3824	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3825	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3826	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3827	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2564		3828
2565	cf::sync_job {	3829	cf::sync_job {
2566	eval {	3830	eval {
2567	BDB::db_env_open	3831	BDB::db_env_open
2568	$DB_ENV,	3832	$DB_ENV,
2569	$BDB_ENV_DIR,	3833	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3834	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3835	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	3836	0666;
2573		3837
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3838	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577	$DB_ENV->set_lk_detect;
2578	};	3839	};
2579		3840
2580	cf::cleanup "db_env_open(db): $@" if $@;	3841	cf::cleanup "db_env_open(db): $@" if $@;
2581	};	3842	};
2582	}	3843	}
		3844
		3845	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3846	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3847	};
		3848	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3849	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3850	};
		3851	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3852	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3853	};
2583	}	3854	}
2584		3855
2585	{	3856	{
		3857	# configure IO::AIO
		3858
2586	IO::AIO::min_parallel 8;	3859	IO::AIO::min_parallel 8;
2587
2588	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	3860	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	3861	undef $AnyEvent::AIO::WATCHER;
2591	reentrant => 0,
2592	fd => IO::AIO::poll_fileno,
2593	poll => 'r',
2594	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,
2597	);
2598	}	3862	}
2599		3863
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	3864	my $_log_backtrace;
2601	reentrant => 0,	3865
2602	data => WF_AUTOCANCEL,	3866	sub _log_backtrace {
2603	after => 1,	3867	my ($msg, @addr) = @_;
2604	interval => 10,	3868
2605	prio => 6, # keep it lowest so it acts like a watchdog	3869	$msg =~ s/\n//;
2606	cb => Coro::unblock_sub {	3870
2607	write_runtime	3871	# limit the # of concurrent backtraces
2608	or warn "ERROR: unable to write runtime file: $!";	3872	if ($_log_backtrace < 2) {
		3873	++$_log_backtrace;
		3874	my $perl_bt = Carp::longmess $msg;
		3875	async {
		3876	$Coro::current->{desc} = "abt $msg";
		3877
		3878	my @bt = fork_call {
		3879	@addr = map { sprintf "%x", $_ } @addr;
		3880	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3881	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3882	or die "addr2line: $!";
		3883
		3884	my @funcs;
		3885	my @res = <$fh>;
		3886	chomp for @res;
		3887	while (@res) {
		3888	my ($func, $line) = splice @res, 0, 2, ();
		3889	push @funcs, "[$func] $line";
		3890	}
		3891
		3892	@funcs
		3893	};
		3894
		3895	LOG llevInfo, "[ABT] $perl_bt\n";
		3896	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3897	LOG llevInfo, "[ABT] $_\n" for @bt;
		3898	--$_log_backtrace;
		3899	};
		3900	} else {
		3901	LOG llevInfo, "[ABT] $msg\n";
		3902	LOG llevInfo, "[ABT] [suppressed]\n";
2609	},	3903	}
2610	);	3904	}
		3905
		3906	# load additional modules
		3907	use cf::pod;
2611		3908
2612	END { cf::emergency_save }	3909	END { cf::emergency_save }
2613		3910
2614	1	3911	1
2615		3912

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