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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 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 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	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
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
53		116
54	our %CFG;	117	our %CFG;
55		118
56	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
58		122
59	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		126
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
70	binmode STDOUT;	139	binmode STDOUT;
71	binmode STDERR;	140	binmode STDERR;
72		141
73	# read virtual server time, if available	142	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
78	}	147	}
79		148
80	mkdir cf::localdir;	149	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		151
86	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
87		153
88	sub cf::map::normalise;	154	sub cf::map::normalise;
89		155
…		…
100	=item $cf::RUNTIME	166	=item $cf::RUNTIME
101		167
102	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
103	every server tick.	169	every server tick.
104		170
105	=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
106		174
107	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		179
110	=item $cf::NOW	180	=item $cf::NOW
111		181
112	The time of the last (current) server tick.	182	The time of the last (current) server tick.
113		183
114	=item $cf::TICK	184	=item $cf::TICK
115		185
116	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	198	=item %cf::CFG
119		199
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	201	from wherever your confdir points to.
122		202
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		204
125	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
126	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
127	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.
128	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.
129		214
130	=back	215	=back
131		216
132	=cut	217	=cut
133		218
134	BEGIN {	219	BEGIN {
135	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	221	my $msg = join "", @_;
137	utf8::encode $msg;
138		222
139	$msg .= "\n"	223	$msg .= "\n"
140	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
141		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
142	LOG llevError, $msg;	228	LOG llevError, $msg;
143	};	229	};
144	}	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#?
145		246
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		254
153	# 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
154	# within the Safe compartment.	256	# within the Safe compartment.
155	for my $pkg (qw(	257	for my $pkg (qw(
156	cf::global cf::attachable	258	cf::global cf::attachable
157	cf::object cf::object::player	259	cf::object cf::object::player
158	cf::client cf::player	260	cf::client cf::player
159	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
160	cf::map cf::party cf::region	263	cf::party cf::region
161	)) {	264	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	266	}
165		267
166	$Event::DIED = sub {	268	$EV::DIED = sub {
167	warn "error in event callback: @_";	269	warn "error in event callback: @_";
168	};	270	};
		271
		272	#############################################################################
169		273
170	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
171		275
172	=over 4	276	=over 4
173		277
…		…
192	$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;
193	$d	297	$d
194	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
195	}	299	}
196		300
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
200		302
201	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
202		304
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
211		306
212	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
213		308
214	=cut	309	=cut
215		310
216	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
218	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;
219	}	328	}
220		329
221	=item cf::lock_wait $string	330	=item cf::lock_wait $string
222		331
223	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
224		333
225	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
226		335
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
230	returned.	339	returned.
231		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
232	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
233	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
234		346
235	=cut	347	=item $locked = cf::lock_active $string
236		348
237	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
238		354
239	sub lock_wait($) {	355	sub lock_wait($) {
240	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	357	}
248		358
249	sub lock_acquire($) {	359	sub lock_acquire($) {
250	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
251		362
252	# wait, to be sure we are not locked	363	sub lock_active($) {
253	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	365	}
262		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	371	}
268	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
269	};	431	}
270	$WRITE_RUNTIME_WATCHER->stop;	432	};
271	$TICK_WATCHER->stop;	433
272	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
273	}	446	}
274		447
275	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
276		449
277	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		455
283	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
284		457
285	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
286		459
287	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
290		464
291	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
294	fast or be very important.	468	fast or be very important.
…		…
297		471
298	sub sync_job(&) {	472	sub sync_job(&) {
299	my ($job) = @_;	473	my ($job) = @_;
300		474
301	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
302	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
304		480
305	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	482
307	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
308		484
309	my $busy = 1;	485	my $busy = 1;
310	my @res;	486	my @res;
311		487
312	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	490	@res = eval { $job->() };
314	warn $@ if $@;	491	warn $@ if $@;
315	undef $busy;	492	undef $busy;
316	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
317		494
318	while ($busy) {	495	while ($busy) {
319	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
320	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
321		506
322	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
323	} else {	508	} else {
324	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
325		510
…		…
345	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
346		531
347	$coro	532	$coro
348	}	533	}
349		534
350	sub write_runtime {	535	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		536
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
354	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.
355		541
356	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		543
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
361	and return;	545	my ($cb, @args) = @_;
362		546
363	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
364	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
365		550
366	close $fh	551	my @res = Coro::Util::fork_eval {
367	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
368		555
369	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
370	and return;	557	}
371		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
372	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
373	}	722	}
374		723
375	=back	724	=back
376		725
377	=cut	726	=cut
378		727
379	#############################################################################	728	#############################################################################
380		729
381	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
382		731
383	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
384	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")
385	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
386		735
387	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>
388	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
389	crossfire+).	738	Deliantra).
390		739
391	=over 4	740	=over 4
392		741
393	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
394		743
…		…
438	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
439		788
440	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
442		791
443	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		794
446	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
447		796
448	=over 4	797	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
558		907
559	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		912
564	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	914	my $pkg = shift @arg;
566		915
567	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
597	}	946	}
598		947
599	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
600	} else {	949	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	951	}
603		952
604	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
605	}	954	}
606		955
…		…
608	if (ref $_[0]) {	957	if (ref $_[0]) {
609	_object_attach @_;	958	_object_attach @_;
610	} else {	959	} else {
611	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
612	}	961	}
		962	_recalc_want;
613	};	963	};
614		964
615	# all those should be optimised	965	# all those should be optimised
616	sub cf::attachable::detach {	966	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
621	reattach ($obj);	971	reattach ($obj);
622	} else {	972	} else {
623	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
624	}	974	}
		975	_recalc_want;
625	};	976	};
626		977
627	sub cf::attachable::attached {	978	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
629		980
…		…
644	";	995	";
645	die if $@;	996	die if $@;
646	}	997	}
647		998
648	our $override;	999	our $override;
649	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?
650		1001
651	sub override {	1002	sub override {
652	$override = 1;	1003	$override = 1;
653	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
654	}	1005	}
655		1006
656	sub do_invoke {	1007	sub do_invoke {
657	my $event = shift;	1008	my $event = shift;
658	my $callbacks = shift;	1009	my $callbacks = shift;
659		1010
660	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
661		1012
662	local $override;	1013	local $override;
663		1014
664	for (@$callbacks) {	1015	for (@$callbacks) {
665	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
674	}	1025	}
675		1026
676	0	1027	0
677	}	1028	}
678		1029
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1031
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1033
683	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
684		1035
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1039
689	=back	1040	=back
690		1041
691	=cut	1042	=cut
692		1043
693	#############################################################################	1044	#############################################################################
694	# 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, $ob2
		1087	}
695		1088
696	sub reattach {	1089	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1091	my ($obj) = @_;
699		1092
		1093	# no longer needed after getting rid of delete_package?
700	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
701		1095
702	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
703		1097
704	@$registry = ();	1098	@$registry = ();
705		1099
…		…
720	cf::attachable->attach (	1114	cf::attachable->attach (
721	prio => -1000000,	1115	prio => -1000000,
722	on_instantiate => sub {	1116	on_instantiate => sub {
723	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
724		1118
725	$data = from_json $data;	1119	$data = decode_json $data;
726		1120
727	for (@$data) {	1121	for (@$data) {
728	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
729		1123
730	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1140	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
748		1142
749	sync_job {	1143	sync_job {
750	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
753		1148
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1153	aio_close $fh;
759		1154
760	if (@$objs) {	1155	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1161	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
768	}	1163	}
769	} else {	1164	} else {
770	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
771	}	1166	}
772		1167
773	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1172	} else {
775	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
776	}	1174	}
777	} else {	1175	} else {
778	aio_unlink $filename;	1176	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
780	}	1178	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1179	};
788	}	1180	}
789		1181
790	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
792		1184
…		…
797		1189
798	sub object_thawer_load {	1190	sub object_thawer_load {
799	my ($filename) = @_;	1191	my ($filename) = @_;
800		1192
801	my ($data, $av);	1193	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1194
806	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
807	or return;	1196	or return;
808		1197
809	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
811	or return;	1200	or return;
		1201
812	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
813	}	1204	}
814		1205
		1206	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
817	return ($data, $av);	1210	($data, $av)
818	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
819		1218
820	#############################################################################	1219	#############################################################################
821	# command handling &c	1220	# command handling &c
822		1221
823	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1236	}
838		1237
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1239
841	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.
842		1245
843	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
844	called.	1247	called.
845		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
846	=cut	1260	=cut
847		1261
848	sub register_extcmd {	1262	sub register_extcmd {
849	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
850		1264
851	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
852	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
853		1275
854	cf::player->attach (	1276	cf::player->attach (
855	on_command => sub {	1277	on_command => sub {
856	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
857		1279
…		…
865	cf::override;	1287	cf::override;
866	},	1288	},
867	on_extcmd => sub {	1289	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
869		1291
870	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1293
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
878	} else {	1309	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1311	}
881		1312
882	cf::override;	1313	cf::override;
883	},	1314	},
884	);	1315	);
885		1316
		1317	# "readahead" all extensions
886	sub load_extension {	1318	sub cache_extensions {
887	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
888		1320
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
890	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1324	}
914	die $@;
915	}	1325	};
916		1326
917	push @EXTS, $pkg;	1327	$grp
918	}	1328	}
919		1329
920	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
921	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1335	next unless -r $path;
923	eval {	1336
924	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	$progress = 1;
925	1	1393	}
926	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
927	}	1399	};
928	}	1400	}
929		1401
930	#############################################################################	1402	#############################################################################
931		1403
		1404	=back
		1405
932	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
933		1407
934	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
935		1409
936	=cut	1410	=cut
937		1411
938	package cf::player;	1412	package cf::player;
939		1413
…		…
941		1415
942	=head3 cf::player	1416	=head3 cf::player
943		1417
944	=over 4	1418	=over 4
945		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
946	=item cf::player::find $login	1434	=item cf::player::find $login
947		1435
948	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
949		1437
950	=cut	1438	=cut
951		1439
952	sub playerdir($) {	1440	sub playerdir($) {
953	cf::localdir	1441	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1443	}
959		1444
960	sub path($) {	1445	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1447
963	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
964	}	1449	}
965		1450
966	sub find_active($) {	1451	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
971		1456
972	sub exists($) {	1457	sub exists($) {
973	my ($login) = @_;	1458	my ($login) = @_;
974		1459
975	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
977	}	1462	}
978		1463
979	sub find($) {	1464	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1466	my $login = $_[0];
982		1467
983	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
984		1469
985	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
989	}	1487	}
990	}	1488	}
991	}	1489	}
992		1490
…		…
1001	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1002		1500
1003	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1005		1503
		1504	cf::get_slot 0.01;
		1505
1006	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1007	Coro::cede;	1507	cf::cede_to_tick;
1008	}	1508	}
1009		1509
1010	sub new($) {	1510	sub new($) {
1011	my ($login) = @_;	1511	my ($login) = @_;
1012		1512
…		…
1018	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1019		1519
1020	$self	1520	$self
1021	}	1521	}
1022		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
1023	=item $pl->quit_character	1533	=item $pl->quit_character
1024		1534
1025	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1027		1537
1028	=cut	1538	=cut
1029		1539
1030	sub quit_character {	1540	sub quit_character {
1031	my ($pl) = @_;	1541	my ($pl) = @_;
1032		1542
		1543	my $name = $pl->ob->name;
		1544
1033	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1034	$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
1035		1547
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1040		1554
1041	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1581	}
1048		1582
1049	=item cf::player::list_logins	1583	=item cf::player::list_logins
1050		1584
1051	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
1052	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1053		1587
1054	=cut	1588	=cut
1055		1589
1056	sub list_logins {	1590	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1592	or return [];
1059		1593
1060	my @logins;	1594	my @logins;
1061		1595
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1066		1606
1067	utf8::decode $login;	1607	utf8::decode $login;
1068	push @logins, $login;	1608	push @logins, $login;
1069	}	1609	}
1070		1610
…		…
1078		1618
1079	=cut	1619	=cut
1080		1620
1081	sub maps($) {	1621	sub maps($) {
1082	my ($pl) = @_;	1622	my ($pl) = @_;
		1623
		1624	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1625
1084	my $files = aio_readdir playerdir $pl	1626	my $files = aio_readdir playerdir $pl
1085	or return;	1627	or return;
1086		1628
1087	my @paths;	1629	my @paths;
…		…
1089	for (@$files) {	1631	for (@$files) {
1090	utf8::decode $_;	1632	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1633	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1634	next unless /^$PATH_SEP/o;
1093		1635
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1636	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1637	}
1096		1638
1097	\@paths	1639	\@paths
1098	}	1640	}
1099		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1101		1647
1102	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1103		1649
1104	=cut	1650	=cut
1105		1651
1106	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1108		1654
1109	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1656	}
1113		1657
1114	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	}
1115		1698
1116	=back	1699	=back
1117
1118		1700
1119	=head3 cf::map	1701	=head3 cf::map
1120		1702
1121	=over 4	1703	=over 4
1122		1704
…		…
1134	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1136		1718
1137	sub generate_random_map {	1719	sub generate_random_map {
1138	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
1139	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1725	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1177	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1178		1763
1179	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1180	local $self->{path};	1765	local $self->{path};
1181	local $self->{load_path};	1766	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1767
1185	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1186	}	1769	}
1187		1770
1188	sub normalise {	1771	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1236	return $self;	1819	return $self;
1237	}	1820	}
1238	}	1821	}
1239		1822
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1824	()
1242	}	1825	}
1243		1826
1244	sub init {	1827	sub init {
1245	my ($self) = @_;	1828	my ($self) = @_;
…		…
1260		1843
1261	# the original (read-only) location	1844	# the original (read-only) location
1262	sub load_path {	1845	sub load_path {
1263	my ($self) = @_;	1846	my ($self) = @_;
1264		1847
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1266	}	1849	}
1267		1850
1268	# the temporary/swap location	1851	# the temporary/swap location
1269	sub save_path {	1852	sub save_path {
1270	my ($self) = @_;	1853	my ($self) = @_;
1271		1854
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1274	}	1857	}
1275		1858
1276	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1277	sub uniq_path {	1860	sub uniq_path {
1278	my ($self) = @_;	1861	my ($self) = @_;
1279		1862
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1282	}	1865	}
1283		1866
1284	# and all this just because we cannot iterate over	1867	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	1868	my ($self) = @_;
1288		1869
1289	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1291	}	1873	}
1292		1874
1293	sub unlink_save {	1875	sub unlink_save {
1294	my ($self) = @_;	1876	my ($self) = @_;
1295		1877
1296	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1881	}
1305		1882
1306	sub load_header_from($) {	1883	sub load_header_from($) {
1307	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1308		1885
1309	utf8::encode $path;	1886	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	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;
1315		1895
1316	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1317		1897
1318	1	1898	1
1319	}	1899	}
…		…
1358	$self->load_header_orig	1938	$self->load_header_orig
1359	or return;	1939	or return;
1360	$self->prepare_orig;	1940	$self->prepare_orig;
1361	}	1941	}
1362		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
1363	1	1949	1
1364	}	1950	}
1365		1951
1366	sub find;	1952	sub find;
1367	sub find {	1953	sub find {
1368	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1369		1955
1370	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1371		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1373		1960
1374	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1377	or return;	1963	or return;
1378		1964
1379	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1380		1966
1381	$map->load_header	1967	$map->load_header
1382	or return;	1968	or return;
1383		1969
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1387	$map->reset;	1975	$map->reset;
1388	undef $guard;
1389	return find $path;	1976	return find $path;
1390	}	1977	}
1391		1978
1392	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1393	}	1980	}
…		…
1400	my ($self) = @_;	1987	my ($self) = @_;
1401		1988
1402	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1403		1990
1404	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1406		1995
		1996	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		1998
1409	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1410		2000
1411	$self->alloc;	2001	$self->alloc;
1412		2002
1413	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1414		2005
1415	$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)
1416	or return;	2009	or return;
1417		2010
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1419	if delete $self->{load_original};	2012	if delete $self->{load_original};
1420		2013
1421	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2015	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2018	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1426	}	2022	}
1427	}	2023	}
1428		2024
1429	Coro::cede;	2025	$f->resolve_delayed_derefs;
1430		2026
		2027	cf::cede_to_tick;
1431	# now do the right thing for maps	2028	# now do the right thing for maps
1432	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2031	unless $self->difficulty;
1442	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;
1443	$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);
1444	}	2046	}
1445		2047
1446	$self->post_load;	2048	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2049	}
1450		2050
1451	sub customise_for {	2051	sub customise_for {
1452	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1453		2053
1454	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2055	if $self->per_player;
1456		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1457	$self	2060	$self
1458	}	2061	}
1459		2062
1460	# 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
1461	sub load_diag {	2064	sub load_neighbours {
1462	my ($map) = @_;	2065	my ($map) = @_;
1463		2066
1464	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1465		2068
1466	for (0 .. 3) {	2069	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1468	or next;	2071	or next;
1469	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1470	or next;	2073	or next;
1471	$neigh->load;	2074	$neigh->load;
1472		2075
		2076	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2079	}
1476		2080
1477	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1479	or next;	2084	or next;
1480	$neigh->load;	2085	$neigh->load;
1481	}	2086	}
1482	}	2087	}
1483		2088
…		…
1488	}	2093	}
1489		2094
1490	sub do_load_sync {	2095	sub do_load_sync {
1491	my ($map) = @_;	2096	my ($map) = @_;
1492		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1493	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1494	}	2102	}
1495		2103
1496	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1498		2106
1499	sub find_async {	2107	sub find_async {
1500	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1501		2109
1502	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1503		2111
1504	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2114	}
1507		2115
1508	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1509	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1510	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2123	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2124	$map->load if $v;
		2125	}
1515		2126
1516	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1517	}	2128	}
1518	}	2129	}
1519	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1520	};	2131	};
1521	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2135	}
1525		2136
1526	sub save {	2137	sub save {
1527	my ($self) = @_;	2138	my ($self) = @_;
1528		2139
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2141
1531	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1532		2143
1533	return unless $self->dirty;	2144	return unless $self->dirty;
1534		2145
…		…
1540	return if $self->{deny_save};	2151	return if $self->{deny_save};
1541		2152
1542	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1543		2154
1544	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1546	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1547		2161
1548	if ($uniq) {	2162	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2165	} else {
…		…
1557	my ($self) = @_;	2171	my ($self) = @_;
1558		2172
1559	# save first because save cedes	2173	# save first because save cedes
1560	$self->save;	2174	$self->save;
1561		2175
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2177
1564	return if $self->players;	2178	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1566	return if $self->{deny_save};	2180	return if $self->{deny_save};
1567		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2186	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2187	}
1571		2188
1572	sub reset_at {	2189	sub reset_at {
1573	my ($self) = @_;	2190	my ($self) = @_;
1574		2191
1575	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1578		2194
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	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;
1581		2197
…		…
1592	my ($self) = @_;	2208	my ($self) = @_;
1593		2209
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2211
1596	return if $self->players;	2212	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2213
1599	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	}
1600		2225
1601	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1602		2227
1603	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2230	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2231
1608	$self->unlink_save;	2232	$self->unlink_save;
1609	$self->destroy;	2233	$self->destroy;
1610	}	2234	}
1611		2235
1612	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1613		2237
1614	sub nuke {	2238	sub nuke {
1615	my ($self) = @_;	2239	my ($self) = @_;
1616		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1617	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1618		2245
1619	$self->unlink_save;	2246	$self->unlink_save;
1620		2247
1621	bless $self, "cf::map";	2248	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2253
1627	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1628		2256
1629	$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	]
1630	}	2294	}
1631		2295
1632	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1633		2297
1634	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2299	instantiated unique items. May block.
1636		2300
1637	=cut	2301	=cut
1638		2302
1639	sub unique_maps() {	2303	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1641	or return;	2305	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2306	utf8::decode $_;
1647	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2309	? ()
1650	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2312	]
1652
1653	\@paths
1654	}	2313	}
1655
1656	package cf;
1657		2314
1658	=back	2315	=back
1659		2316
1660	=head3 cf::object	2317	=head3 cf::object
1661		2318
…		…
1665		2322
1666	=over 4	2323	=over 4
1667		2324
1668	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1669		2326
1670	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.
1671		2329
1672	=cut	2330	=cut
1673		2331
1674	sub inv_recursive_;	2332	sub inv_recursive_;
1675	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1678		2336
1679	sub inv_recursive {	2337	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1681	}	2339	}
1682		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
1683	package cf;	2369	package cf;
1684		2370
1685	=back	2371	=back
1686		2372
1687	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1693	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>
1694	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
1695	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1696		2382
1697	=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	};
1698		2398
1699	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2400	# with dialog boxes.
1701	#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
1702	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1704		2404
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2406
1707	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1709	} 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 {
1710	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1712	}	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 (@_);
1713	}	2432	}
1714		2433
1715	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1716		2435
1717	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1730		2449
1731	=item $player_object->enter_link	2450	=item $player_object->enter_link
1732		2451
1733	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}>).
1734		2453
1735	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.
1736	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.
1737		2458
1738	Will never block.	2459	Will never block.
1739		2460
1740	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1741		2462
…		…
1764	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1765		2486
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2488
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1770		2491
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2493	}
1773		2494
1774	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1776		2499
1777	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1778		2501
1779	unless ($map) {	2502	unless ($map) {
1780	# restore original map position	2503	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1797		2520
1798	$map->load;	2521	$map->load;
1799	$map->load_diag;	2522	$map->load_neighbours;
1800		2523
1801	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1802	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1804	}	2530	}
1805		2531
1806	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2533
1810	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1814	};	2538	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2539
1820	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1821	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2542
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1841		2546
1842	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1843	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;
1844		2552
1845	$self->enter_link;	2553	$self->enter_link;
1846		2554
1847	(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
1848	my $map = eval {	2577	my $map = eval {
1849	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1850	$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
1851	$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 $@;
1852	} or	2593	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1856	})->prio (1);	2601	})->prio (1);
1857	}	2602	}
1858		2603
1859	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1860		2605
…		…
1880	}	2625	}
1881		2626
1882	sub prepare_random_map {	2627	sub prepare_random_map {
1883	my ($exit) = @_;	2628	my ($exit) = @_;
1884		2629
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2632	# that depends on the exit object
1890		2633
1891	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2636	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1898	}	2643	}
1899		2644
1900	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1901		2646
1902	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1905		2650
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2653	undef $fh;
1909	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1910		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1913	}	2662	}
1914	}	2663	}
1915		2664
1916	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1918		2667
1919	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1920		2669
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2670	$self->enter_link;
1931		2671
1932	(async {	2672	(async {
1933	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1934	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
1935	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1936		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
1937	1;	2696	1
1938	}) {	2697	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "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. "
1941	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2702
1944	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2704	$self->leave_link;
1946	}	2705	}
1947	})->prio (1);	2706	})->prio (1);
…		…
1960		2719
1961	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1963		2722
1964	utf8::encode $text;	2723	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2725	}
1967		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	}
1968		2891
1969	=item $success = $client->query ($flags, "text", \&cb)	2892	=item $success = $client->query ($flags, "text", \&cb)
1970		2893
1971	Queues a query to the client, calling the given callback with	2894	Queues a query to the client, calling the given callback with
1972	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>,
1973	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>.
1974		2897
1975	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
1976	reliable at some point in the future.	2899	become reliable at some point in the future.
1977		2900
1978	=cut	2901	=cut
1979		2902
1980	sub cf::client::query {	2903	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2904	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2912	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2913	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2914
1992	$self->send_packet ($self->{query_queue}[0][0])	2915	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2916	if @{ $self->{query_queue} } == 1;
		2917
		2918	1
1994	}	2919	}
1995		2920
1996	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	},
1997	on_reply => sub {	2927	on_reply => sub {
1998	my ($ns, $msg) = @_;	2928	my ($ns, $msg) = @_;
1999		2929
2000	# this weird shuffling is so that direct followup queries	2930	# this weird shuffling is so that direct followup queries
2001	# get handled first	2931	# get handled first
2002	my $queue = delete $ns->{query_queue}	2932	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2933	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2934
2005	(shift @$queue)->[1]->($msg);	2935	(shift @$queue)->[1]->($msg);
		2936	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2937
2007	push @{ $ns->{query_queue} }, @$queue;	2938	push @{ $ns->{query_queue} }, @$queue;
2008		2939
2009	if (@{ $ns->{query_queue} } == @$queue) {	2940	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2941	if (@$queue) {
…		…
2012	} else {	2943	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2944	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2945	}
2015	}	2946	}
2016	},	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	},
2017	);	2974	);
2018		2975
2019	=item $client->async (\&cb)	2976	=item $client->async (\&cb)
2020		2977
2021	Create a new coroutine, running the specified callback. The coroutine will	2978	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	3019	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3020	our $safe_hole = new Safe::Hole;
2064		3021
2065	$SIG{FPE} = 'IGNORE';	3022	$SIG{FPE} = 'IGNORE';
2066		3023
2067	$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	));
2068		3029
2069	# here we export the classes and methods available to script code	3030	# here we export the classes and methods available to script code
2070		3031
2071	=pod	3032	=pod
2072		3033
2073	The following fucntions and emthods are available within a safe environment:	3034	The following functions and methods are available within a safe environment:
2074		3035
2075	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
2076	cf::object::player player	3040	cf::object::player
2077	cf::player peaceful	3041	player
2078	cf::map trigger	3042
		3043	cf::player
		3044	peaceful
		3045
		3046	cf::map
		3047	trigger
2079		3048
2080	=cut	3049	=cut
2081		3050
2082	for (	3051	for (
2083	["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)],
2084	["cf::object::player" => qw(player)],	3055	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3056	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	3057	["cf::map" => qw(trigger)],
2087	) {	3058	) {
2088	no strict 'refs';	3059	no strict 'refs';
…		…
2159	=back	3130	=back
2160		3131
2161	=cut	3132	=cut
2162		3133
2163	#############################################################################	3134	#############################################################################
		3135	# the server's init and main functions
2164		3136
2165	=head2 EXTENSION DATABASE SUPPORT	3137	sub load_facedata($) {
		3138	my ($path) = @_;
2166		3139
2167	Crossfire maintains a very simple database for extension use. It can	3140	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3141	# for this (global event?)
2169	excludes objects.	3142	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3143
2171	The parameter C<$family> should best start with the name of the extension	3144	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3145
2174	=over 4	3146	warn "loading facedata from $path\n";
2175		3147
2176	=item $hashref = cf::db_get $family	3148	my $facedata;
		3149	0 < aio_load $path, $facedata
		3150	or die "$path: $!";
2177		3151
2178	Return a hashref for use by the extension C<$family>, which can be	3152	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3153
2182	=item $value = cf::db_get $family => $key	3154	$facedata->{version} == 2
		3155	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3156
2184	Returns a single value from the database	3157	# patch in the exptable
2185		3158	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3159	type => FT_RSRC,
2187		3160	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3161	};
		3162	cf::cede_to_tick;
2214		3163
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3164	{
		3165	my $faces = $facedata->{faceinfo};
2226		3166
2227	my $dirty;	3167	while (my ($face, $info) = each %$faces) {
		3168	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3169
2229	sub db_sync() {	3170	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3171	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3172	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232	}	3173	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233		3174
2234	my $idle = Event->idle (	3175	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3176	}
2268	);
2269	}
2270		3177
2271	#############################################################################	3178	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3179	next unless $info->{smooth};
2273		3180
2274	sub cfg_load {	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, $v);
		3269	}
		3270	};
		3271
		3272	sub load_resource_file($) {
		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"
		3288	or die "unable to load regions file\n";
		3289
		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 {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3323	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3324	or return;
2277		3325
2278	local $/;	3326	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3327	*CFG = YAML::Load <$fh>;
2280		3328
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3329	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3330
2283	$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};
2284	$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};
…		…
2290	};	3338	};
2291	warn $@ if $@;	3339	warn $@ if $@;
2292	}	3340	}
2293	}	3341	}
2294		3342
		3343	sub pidfile() {
		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 $$;
		3360	}
		3361
2295	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
2296	# we must not ever block the main coroutine	3377	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3378	local $Coro::idle = sub {
2298	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#
2299	(async {	3380	(async {
2300	Event::one_event;	3381	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3382	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3383	})->prio (Coro::PRIO_MAX);
2302	};	3384	};
2303		3385
2304	cfg_load;	3386	evthread_start IO::AIO::poll_fileno;
2305	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
2306	load_extensions;	3404	load_extensions;
2307		3405
2308	$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
2309	Event::loop;	3414	EV::loop;
2310	}	3415	}
2311		3416
2312	#############################################################################	3417	#############################################################################
2313	# initialisation and cleanup	3418	# initialisation and cleanup
2314		3419
2315	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2316	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2325	},
2326	);	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
2327	}	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 };
2328	}	3514	}
2329		3515
2330	sub emergency_save() {	3516	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3517	my $freeze_guard = cf::freeze_mainloop;
2332		3518
2333	warn "enter emergency perl save\n";	3519	warn "emergency_perl_save: enter\n";
2334		3520
2335	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
2336	# use a peculiar iteration method to avoid tripping on perl	3527	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3528	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3530	warn "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3535	$pl->save;
2344	}	3536	}
2345	warn "end emergency player save\n";	3537	warn "emergency_perl_save: end player save\n";
2346		3538
2347	warn "begin emergency map save\n";	3539	warn "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	3540	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3542	$map->valid or next;
2351	$map->save;	3543	$map->save;
2352	}	3544	}
2353	warn "end emergency map save\n";	3545	warn "emergency_perl_save: end map save\n";
		3546
		3547	warn "emergency_perl_save: begin database checkpoint\n";
		3548	BDB::db_env_txn_checkpoint $DB_ENV;
		3549	warn "emergency_perl_save: end database checkpoint\n";
		3550
		3551	warn "emergency_perl_save: begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "emergency_perl_save: end write uuid\n";
2354	};	3554	};
2355		3555
		3556	warn "emergency_perl_save: starting sync()\n";
		3557	IO::AIO::aio_sync sub {
		3558	warn "emergency_perl_save: finished sync()\n";
		3559	};
		3560
2356	warn "leave emergency perl save\n";	3561	warn "emergency_perl_save: leave\n";
2357	}	3562	}
2358		3563
		3564	sub post_cleanup {
		3565	my ($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
2359	sub reload() {	3600	sub do_reload_perl() {
2360	# can/must only be called in main	3601	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3602	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3603	warn "can only reload from main coroutine";
2363	return;	3604	return;
2364	}	3605	}
2365		3606
		3607	return if $RELOAD++;
		3608
		3609	my $t1 = EV::time;
		3610
		3611	while ($RELOAD) {
2366	warn "reloading...";	3612	warn "reloading...";
2367		3613
2368	warn "cancelling server ticker";	3614	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3615
		3616	cf::sync_job {
		3617	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3618	cf::emergency_save;
		3619	cf::write_runtime_sync; # external watchdog should not bark
2372		3620
2373	eval {	3621	warn "syncing database to disk";
		3622	BDB::db_env_txn_checkpoint $DB_ENV;
		3623
2374	# 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
2375		3625
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";	3626	warn "flushing outstanding aio requests";
2385	for (;;) {	3627	while (IO::AIO::nreqs || BDB::nreqs) {
2386	IO::AIO::flush;	3628	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();
2395
2396	warn "removing commands";
2397	%COMMAND = ();
2398
2399	warn "removing ext commands";
2400	%EXTCMD = ();
2401
2402	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";
2405
2406	if (my $cb = $pkg->can ("unload")) {
2407	eval {
2408	$cb->($pkg);
2409	1
2410	} or warn "$pkg unloaded, but with errors: $@";
2411	}	3629	}
2412		3630
2413	warn "... nuking $pkg";	3631	warn "cancelling all extension coros";
2414	Symbol::delete_package $pkg;	3632	$_->cancel for values %EXT_CORO;
2415	}	3633	%EXT_CORO = ();
2416		3634
2417	warn "unloading all perl modules loaded from $LIBDIR";	3635	warn "removing commands";
2418	while (my ($k, $v) = each %INC) {	3636	%COMMAND = ();
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3637
		3638	warn "removing ext/exti commands";
		3639	%EXTCMD = ();
		3640	%EXTICMD = ();
		3641
		3642	warn "unloading/nuking all extensions";
		3643	for my $pkg (@EXTS) {
2421	warn "... unloading $k";	3644	warn "... unloading $pkg";
2422	delete $INC{$k};
2423		3645
2424	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;
2426
2427	if (my $cb = $k->can ("unload_module")) {	3646	if (my $cb = $pkg->can ("unload")) {
		3647	eval {
2428	$cb->();	3648	$cb->($pkg);
		3649	1
		3650	} or warn "$pkg unloaded, but with errors: $@";
		3651	}
		3652
		3653	warn "... clearing $pkg";
		3654	clear_package $pkg;
2429	}	3655	}
2430		3656
2431	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;
2432	}	3672	}
2433		3673
2434	warn "getting rid of safe::, as good as possible";	3674	warn "getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3675	clear_package "safe::$_"
2436	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);
2437		3677
2438	warn "unloading cf.pm \"a bit\"";	3678	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3679	delete $INC{"cf.pm"};
		3680	delete $INC{"cf/pod.pm"};
2440		3681
2441	# don't, removes xs symbols, too,	3682	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3683	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3684	#clear_package __PACKAGE__;
2444		3685
2445	warn "unload completed, starting to reload now";	3686	warn "unload completed, starting to reload now";
2446		3687
2447	warn "reloading cf.pm";	3688	warn "reloading cf.pm";
2448	require cf;	3689	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3690	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3691
2451	warn "loading config and database again";	3692	warn "loading config and database again";
2452	cf::cfg_load;	3693	cf::reload_config;
2453	cf::db_load;
2454		3694
2455	warn "loading extensions";	3695	warn "loading extensions";
2456	cf::load_extensions;	3696	cf::load_extensions;
2457		3697
		3698	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3699	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3700	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3701	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3702	reattach $_ for values %MAP;
		3703	warn "reattaching attachments to players";
		3704	reattach $_ for values %PLAYER;
		3705	}
2462		3706
2463	warn "restarting server ticker";	3707	warn "running post_init jobs";
		3708	(pop @POST_INIT)->(1) while @POST_INIT;
2464		3709
2465	$TICK_WATCHER->start;	3710	warn "leaving sync_job";
		3711
		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	};
2466	};	3739	};
2467		3740	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		3741
2479	register_command "reload" => sub {	3742	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3743	my ($who, $arg) = @_;
2481		3744
2482	if ($who->flag (FLAG_WIZ)) {	3745	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3746	$who->message ("reloading server.");
2484		3747	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3748	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3749	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3750	};
2497	}	3751	}
2498	};	3752	};
2499		3753
2500	unshift @INC, $LIBDIR;	3754	unshift @INC, $LIBDIR;
2501		3755
2502	my $bug_warning = 0;	3756	my $bug_warning = 0;
2503		3757
2504	$TICK_WATCHER = Event->timer (	3758	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3759	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3760
2507	prio => 0,	3761	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3762	return if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	3763
2510	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 {
2511	if ($Coro::current != $Coro::main) {	3778	if ($Coro::current != $Coro::main) {
2512	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"
2513	unless ++$bug_warning > 10;	3780	unless ++$bug_warning > 10;
2514	return;	3781	return;
2515	}	3782	}
2516		3783
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3784	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3785
2523	$WAIT_FOR_TICK->broadcast;	3786	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3787	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525		3788	Coro::async_pool {
2526	Event::sweep;	3789	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3790	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3791	or warn "ERROR: unable to write runtime file: $!";
		3792	};
2561	},	3793	}
2562	);	3794
		3795	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		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#
		3810	}
		3811	}
		3812	}
		3813
		3814	{
		3815	# configure BDB
		3816
		3817	BDB::min_parallel 8;
		3818	BDB::max_poll_reqs $TICK * 0.1;
		3819	$AnyEvent::BDB::WATCHER->priority (1);
		3820
		3821	unless ($DB_ENV) {
		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);
		3828
		3829	cf::sync_job {
		3830	eval {
		3831	BDB::db_env_open
		3832	$DB_ENV,
		3833	$BDBDIR,
		3834	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3835	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3836	0666;
		3837
		3838	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3839	};
		3840
		3841	cf::cleanup "db_env_open(db): $@" if $@;
		3842	};
		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	};
		3854	}
		3855
		3856	{
		3857	# configure IO::AIO
		3858
		3859	IO::AIO::min_parallel 8;
		3860	IO::AIO::max_poll_time $TICK * 0.1;
		3861	undef $AnyEvent::AIO::WATCHER;
		3862	}
		3863
		3864	my $_log_backtrace;
		3865
		3866	sub _log_backtrace {
		3867	my ($msg, @addr) = @_;
		3868
		3869	$msg =~ s/\n//;
		3870
		3871	# limit the # of concurrent backtraces
		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";
		3903	}
		3904	}
		3905
		3906	# load additional modules
		3907	use cf::pod;
2563		3908
2564	END { cf::emergency_save }	3909	END { cf::emergency_save }
2565		3910
2566	1	3911	1
2567		3912

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