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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
		58	use YAML ();
26	use IO::AIO 2.32 ();	59	use IO::AIO ();
27	use YAML::Syck ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
30		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33	$Event::Eval = 1; # no idea why this is required, but it is
34		76
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		78
42	our %COMMAND = ();	79	our %COMMAND = ();
43	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
44		81
45	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
49		87
50	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	89	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		90
54	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	92	our $DATADIR = datadir;
56	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	109	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	115	our $DB_ENV;
64		116
65	our %CFG;	117	our %CFG;
66		118
67	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
69		122
70	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		126
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
82	binmode STDOUT;	139	binmode STDOUT;
83	binmode STDERR;	140	binmode STDERR;
84		141
85	# read virtual server time, if available	142	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
90	}	147	}
91		148
92	mkdir cf::localdir;	149	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		151
99	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
100		153
101	sub cf::map::normalise;	154	sub cf::map::normalise;
102		155
…		…
113	=item $cf::RUNTIME	166	=item $cf::RUNTIME
114		167
115	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
116	every server tick.	169	every server tick.
117		170
118	=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
119		174
120	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		179
123	=item $cf::NOW	180	=item $cf::NOW
124		181
125	The time of the last (current) server tick.	182	The time of the last (current) server tick.
126		183
127	=item $cf::TICK	184	=item $cf::TICK
128		185
129	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	198	=item %cf::CFG
132		199
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	201	from wherever your confdir points to.
135		202
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		204
138	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
139	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
140	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.
141	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.
142		214
143	=back	215	=back
144		216
145	=cut	217	=cut
146		218
147	BEGIN {	219	BEGIN {
148	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	221	my $msg = join "", @_;
150	utf8::encode $msg;
151		222
152	$msg .= "\n"	223	$msg .= "\n"
153	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
154		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
155	LOG llevError, $msg;	228	LOG llevError, $msg;
156	};	229	};
157	}	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#?
158		246
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		254
166	# 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
167	# within the Safe compartment.	256	# within the Safe compartment.
168	for my $pkg (qw(	257	for my $pkg (qw(
169	cf::global cf::attachable	258	cf::global cf::attachable
170	cf::object cf::object::player	259	cf::object cf::object::player
171	cf::client cf::player	260	cf::client cf::player
172	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
173	cf::map cf::party cf::region	263	cf::party cf::region
174	)) {	264	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	266	}
178		267
179	$Event::DIED = sub {	268	$EV::DIED = sub {
180	warn "error in event callback: @_";	269	warn "error in event callback: @_";
181	};	270	};
		271
		272	#############################################################################
182		273
183	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
184		275
185	=over 4	276	=over 4
186		277
…		…
205	$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;
206	$d	297	$d
207	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
208	}	299	}
209		300
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
213		302
214	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
215		304
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
224		306
225	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
226		308
227	=cut	309	=cut
228		310
229	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
231	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;
232	}	328	}
233		329
234	=item cf::lock_wait $string	330	=item cf::lock_wait $string
235		331
236	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
237		333
238	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
239		335
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
243	returned.	339	returned.
244		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
245	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
246	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
247		346
248	=cut	347	=item $locked = cf::lock_active $string
249		348
250	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
251		354
252	sub lock_wait($) {	355	sub lock_wait($) {
253	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	357	}
261		358
262	sub lock_acquire($) {	359	sub lock_acquire($) {
263	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
264		362
265	# wait, to be sure we are not locked	363	sub lock_active($) {
266	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	365	}
275		366
276	sub freeze_mainloop {	367	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
278		369
279	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
280	$TICK_WATCHER->start;	371	}
		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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
281	};	431	}
282	$TICK_WATCHER->stop;	432	};
283	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
284	}	446	}
285		447
286	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
287		449
288	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		455
294	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
295		457
296	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
297		459
298	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
301		464
302	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
305	fast or be very important.	468	fast or be very important.
…		…
308		471
309	sub sync_job(&) {	472	sub sync_job(&) {
310	my ($job) = @_;	473	my ($job) = @_;
311		474
312	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
313	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
315		480
316	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	482
318	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
319		484
320	my $busy = 1;	485	my $busy = 1;
321	my @res;	486	my @res;
322		487
323	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	490	@res = eval { $job->() };
325	warn $@ if $@;	491	warn $@ if $@;
326	undef $busy;	492	undef $busy;
327	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
328		494
329	while ($busy) {	495	while ($busy) {
330	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
331	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
332		506
333	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
334	} else {	508	} else {
335	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
336		510
…		…
356	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
357		531
358	$coro	532	$coro
359	}	533	}
360		534
361	sub write_runtime {	535	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		536
364	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
365		541
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
367	or return;
368		543
369	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		546
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
374	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
375		550
376	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	552	reset_signals;
378	and return;	553	&$cb
		554	}, @args;
379		555
380	close $fh	556	wantarray ? @res : $res[-1]
381	or return;	557	}
382		558
383	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
384	and return;
385		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
386	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
387	}	722	}
388		723
389	=back	724	=back
390		725
391	=cut	726	=cut
392		727
393	#############################################################################	728	#############################################################################
394		729
395	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
396		731
397	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
398	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")
399	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
400		735
401	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>
402	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
403	crossfire+).	738	Deliantra).
404		739
405	=over 4	740	=over 4
406		741
407	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
408		743
…		…
452	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
453		788
454	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
456		791
457	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		794
460	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
461		796
462	=over 4	797	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
572		907
573	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		912
578	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	914	my $pkg = shift @arg;
580		915
581	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
611	}	946	}
612		947
613	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
614	} else {	949	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	951	}
617		952
618	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
619	}	954	}
620		955
…		…
622	if (ref $_[0]) {	957	if (ref $_[0]) {
623	_object_attach @_;	958	_object_attach @_;
624	} else {	959	} else {
625	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
626	}	961	}
		962	_recalc_want;
627	};	963	};
628		964
629	# all those should be optimised	965	# all those should be optimised
630	sub cf::attachable::detach {	966	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
635	reattach ($obj);	971	reattach ($obj);
636	} else {	972	} else {
637	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
638	}	974	}
		975	_recalc_want;
639	};	976	};
640		977
641	sub cf::attachable::attached {	978	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
643		980
…		…
658	";	995	";
659	die if $@;	996	die if $@;
660	}	997	}
661		998
662	our $override;	999	our $override;
663	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?
664		1001
665	sub override {	1002	sub override {
666	$override = 1;	1003	$override = 1;
667	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
668	}	1005	}
669		1006
670	sub do_invoke {	1007	sub do_invoke {
671	my $event = shift;	1008	my $event = shift;
672	my $callbacks = shift;	1009	my $callbacks = shift;
673		1010
674	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
675		1012
676	local $override;	1013	local $override;
677		1014
678	for (@$callbacks) {	1015	for (@$callbacks) {
679	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
688	}	1025	}
689		1026
690	0	1027	0
691	}	1028	}
692		1029
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1031
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1033
697	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
698		1035
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1039
703	=back	1040	=back
704		1041
705	=cut	1042	=cut
706		1043
707	#############################################################################	1044	#############################################################################
708	# 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, $ob2
		1087	}
709		1088
710	sub reattach {	1089	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1091	my ($obj) = @_;
713		1092
		1093	# no longer needed after getting rid of delete_package?
714	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
715		1095
716	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
717		1097
718	@$registry = ();	1098	@$registry = ();
719		1099
…		…
734	cf::attachable->attach (	1114	cf::attachable->attach (
735	prio => -1000000,	1115	prio => -1000000,
736	on_instantiate => sub {	1116	on_instantiate => sub {
737	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
738		1118
739	$data = from_json $data;	1119	$data = decode_json $data;
740		1120
741	for (@$data) {	1121	for (@$data) {
742	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
743		1123
744	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1140	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
762		1142
763	sync_job {	1143	sync_job {
764	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
767		1148
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1153	aio_close $fh;
773		1154
774	if (@$objs) {	1155	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1161	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
782	}	1163	}
783	} else {	1164	} else {
784	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
785	}	1166	}
786		1167
787	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1172	} else {
789	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
790	}	1174	}
791	} else {	1175	} else {
792	aio_unlink $filename;	1176	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
794	}	1178	}
795	}	1179	};
796	}	1180	}
797		1181
798	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
800		1184
…		…
812	or return;	1196	or return;
813		1197
814	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
816	or return;	1200	or return;
		1201
817	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
818	}	1204	}
819		1205
		1206	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
822	return ($data, $av);	1210	($data, $av)
823	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
824		1218
825	#############################################################################	1219	#############################################################################
826	# command handling &c	1220	# command handling &c
827		1221
828	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1236	}
843		1237
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1239
846	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.
847		1245
848	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
849	called.	1247	called.
850		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
851	=cut	1260	=cut
852		1261
853	sub register_extcmd {	1262	sub register_extcmd {
854	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
855		1264
856	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
857	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
858		1275
859	cf::player->attach (	1276	cf::player->attach (
860	on_command => sub {	1277	on_command => sub {
861	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
862		1279
…		…
870	cf::override;	1287	cf::override;
871	},	1288	},
872	on_extcmd => sub {	1289	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
874		1291
875	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1293
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
883	} else {	1309	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1311	}
886		1312
887	cf::override;	1313	cf::override;
888	},	1314	},
889	);	1315	);
890		1316
		1317	# "readahead" all extensions
891	sub load_extension {	1318	sub cache_extensions {
892	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
893		1320
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
895	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1324	}
919	die $@;
920	}	1325	};
921		1326
922	push @EXTS, $pkg;	1327	$grp
923	}	1328	}
924		1329
925	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
926	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1335	next unless -r $path;
928	eval {	1336
929	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	$progress = 1;
930	1	1393	}
931	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
932	}	1399	};
933	}	1400	}
934		1401
935	#############################################################################	1402	#############################################################################
936		1403
		1404	=back
		1405
937	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
938		1407
939	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
940		1409
941	=cut	1410	=cut
942		1411
943	package cf::player;	1412	package cf::player;
944		1413
…		…
946		1415
947	=head3 cf::player	1416	=head3 cf::player
948		1417
949	=over 4	1418	=over 4
950		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
951	=item cf::player::find $login	1434	=item cf::player::find $login
952		1435
953	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
954		1437
955	=cut	1438	=cut
956		1439
957	sub playerdir($) {	1440	sub playerdir($) {
958	cf::localdir	1441	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1443	}
964		1444
965	sub path($) {	1445	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1447
968	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
969	}	1449	}
970		1450
971	sub find_active($) {	1451	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
976		1456
977	sub exists($) {	1457	sub exists($) {
978	my ($login) = @_;	1458	my ($login) = @_;
979		1459
980	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
982	}	1462	}
983		1463
984	sub find($) {	1464	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1466	my $login = $_[0];
987		1467
988	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
989		1469
990	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
994	}	1487	}
995	}	1488	}
996	}	1489	}
997		1490
…		…
1006	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1007		1500
1008	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1010		1503
		1504	cf::get_slot 0.01;
		1505
1011	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1012	Coro::cede;	1507	cf::cede_to_tick;
1013	}	1508	}
1014		1509
1015	sub new($) {	1510	sub new($) {
1016	my ($login) = @_;	1511	my ($login) = @_;
1017		1512
…		…
1023	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1024		1519
1025	$self	1520	$self
1026	}	1521	}
1027		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
1028	=item $pl->quit_character	1533	=item $pl->quit_character
1029		1534
1030	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1032		1537
…		…
1036	my ($pl) = @_;	1541	my ($pl) = @_;
1037		1542
1038	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1039		1544
1040	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1041	$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
1042		1547
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1047		1554
1048	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1080		1587
1081	=cut	1588	=cut
1082		1589
1083	sub list_logins {	1590	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1592	or return [];
1086		1593
1087	my @logins;	1594	my @logins;
1088		1595
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1093		1606
1094	utf8::decode $login;	1607	utf8::decode $login;
1095	push @logins, $login;	1608	push @logins, $login;
1096	}	1609	}
1097		1610
…		…
1124	}	1637	}
1125		1638
1126	\@paths	1639	\@paths
1127	}	1640	}
1128		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1130		1647
1131	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1132		1649
1133	=cut	1650	=cut
1134		1651
1135	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1137		1654
1138	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1656	}
1142		1657
1143	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	}
1144		1698
1145	=back	1699	=back
1146
1147		1700
1148	=head3 cf::map	1701	=head3 cf::map
1149		1702
1150	=over 4	1703	=over 4
1151		1704
…		…
1163	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1165		1718
1166	sub generate_random_map {	1719	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1725	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1207		1763
1208	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1209	local $self->{path};	1765	local $self->{path};
1210	local $self->{load_path};	1766	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1767
1214	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1215	}	1769	}
1216		1770
1217	sub normalise {	1771	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1265	return $self;	1819	return $self;
1266	}	1820	}
1267	}	1821	}
1268		1822
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1824	()
1271	}	1825	}
1272		1826
1273	sub init {	1827	sub init {
1274	my ($self) = @_;	1828	my ($self) = @_;
…		…
1289		1843
1290	# the original (read-only) location	1844	# the original (read-only) location
1291	sub load_path {	1845	sub load_path {
1292	my ($self) = @_;	1846	my ($self) = @_;
1293		1847
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1295	}	1849	}
1296		1850
1297	# the temporary/swap location	1851	# the temporary/swap location
1298	sub save_path {	1852	sub save_path {
1299	my ($self) = @_;	1853	my ($self) = @_;
1300		1854
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1303	}	1857	}
1304		1858
1305	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1306	sub uniq_path {	1860	sub uniq_path {
1307	my ($self) = @_;	1861	my ($self) = @_;
1308		1862
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1311	}	1865	}
1312		1866
1313	# and all this just because we cannot iterate over	1867	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1868	my ($self) = @_;
1317		1869
1318	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1320	}	1873	}
1321		1874
1322	sub unlink_save {	1875	sub unlink_save {
1323	my ($self) = @_;	1876	my ($self) = @_;
1324		1877
…		…
1329		1882
1330	sub load_header_from($) {	1883	sub load_header_from($) {
1331	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1332		1885
1333	utf8::encode $path;	1886	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1895
1340	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1341		1897
1342	1	1898	1
1343	}	1899	}
…		…
1382	$self->load_header_orig	1938	$self->load_header_orig
1383	or return;	1939	or return;
1384	$self->prepare_orig;	1940	$self->prepare_orig;
1385	}	1941	}
1386		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
1387	1	1949	1
1388	}	1950	}
1389		1951
1390	sub find;	1952	sub find;
1391	sub find {	1953	sub find {
1392	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1393		1955
1394	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1395		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1397		1960
1398	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1401	or return;	1963	or return;
1402		1964
1403	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1404		1966
1405	$map->load_header	1967	$map->load_header
1406	or return;	1968	or return;
1407		1969
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1411	$map->reset;	1975	$map->reset;
1412	undef $guard;
1413	return find $path;	1976	return find $path;
1414	}	1977	}
1415		1978
1416	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1417	}	1980	}
…		…
1424	my ($self) = @_;	1987	my ($self) = @_;
1425		1988
1426	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1427		1990
1428	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1430		1995
		1996	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		1998
1433	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1434		2000
1435	$self->alloc;	2001	$self->alloc;
1436		2002
1437	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1438		2005
1439	$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)
1440	or return;	2009	or return;
1441		2010
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1443	if delete $self->{load_original};	2012	if delete $self->{load_original};
1444		2013
1445	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2015	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2018	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1450	}	2022	}
1451	}	2023	}
1452		2024
1453	Coro::cede;	2025	$f->resolve_delayed_derefs;
1454		2026
		2027	cf::cede_to_tick;
1455	# now do the right thing for maps	2028	# now do the right thing for maps
1456	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2031	unless $self->difficulty;
1466	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;
1467	$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);
1468	}	2046	}
1469		2047
1470	$self->post_load;	2048	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2049	}
1474		2050
1475	sub customise_for {	2051	sub customise_for {
1476	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1477		2053
1478	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2055	if $self->per_player;
1480		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1481	$self	2060	$self
1482	}	2061	}
1483		2062
1484	# 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
1485	sub load_diag {	2064	sub load_neighbours {
1486	my ($map) = @_;	2065	my ($map) = @_;
1487		2066
1488	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1489		2068
1490	for (0 .. 3) {	2069	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1492	or next;	2071	or next;
1493	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1494	or next;	2073	or next;
1495	$neigh->load;	2074	$neigh->load;
1496		2075
		2076	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2079	}
1500		2080
1501	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1503	or next;	2084	or next;
1504	$neigh->load;	2085	$neigh->load;
1505	}	2086	}
1506	}	2087	}
1507		2088
…		…
1512	}	2093	}
1513		2094
1514	sub do_load_sync {	2095	sub do_load_sync {
1515	my ($map) = @_;	2096	my ($map) = @_;
1516		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1517	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1518	}	2102	}
1519		2103
1520	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1522		2106
1523	sub find_async {	2107	sub find_async {
1524	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1525		2109
1526	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1527		2111
1528	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2114	}
1531		2115
1532	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1533	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1534	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2123	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2124	$map->load if $v;
		2125	}
1539		2126
1540	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1541	}	2128	}
1542	}	2129	}
1543	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1544	};	2131	};
1545	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2135	}
1549		2136
1550	sub save {	2137	sub save {
1551	my ($self) = @_;	2138	my ($self) = @_;
1552		2139
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2141
1555	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1556		2143
1557	return unless $self->dirty;	2144	return unless $self->dirty;
1558		2145
…		…
1564	return if $self->{deny_save};	2151	return if $self->{deny_save};
1565		2152
1566	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1567		2154
1568	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1570	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1571		2161
1572	if ($uniq) {	2162	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2165	} else {
…		…
1581	my ($self) = @_;	2171	my ($self) = @_;
1582		2172
1583	# save first because save cedes	2173	# save first because save cedes
1584	$self->save;	2174	$self->save;
1585		2175
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2177
1588	return if $self->players;	2178	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2180	return if $self->{deny_save};
1591		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2186	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2187	}
1595		2188
1596	sub reset_at {	2189	sub reset_at {
1597	my ($self) = @_;	2190	my ($self) = @_;
1598		2191
1599	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1602		2194
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2197
…		…
1616	my ($self) = @_;	2208	my ($self) = @_;
1617		2209
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2211
1620	return if $self->players;	2212	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2213
1623	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1624		2215
1625	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1626		2217
1627	# need to save uniques path	2218	# need to save uniques path
1628	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2223	if $uniq;
1633	}	2224	}
1634		2225
1635	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1636		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2230	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2231
1641	$self->unlink_save;	2232	$self->unlink_save;
1642	$self->destroy;	2233	$self->destroy;
1643	}	2234	}
1644		2235
1645	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1646		2237
1647	sub nuke {	2238	sub nuke {
1648	my ($self) = @_;	2239	my ($self) = @_;
1649		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1650	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1651		2245
1652	$self->unlink_save;	2246	$self->unlink_save;
1653		2247
1654	bless $self, "cf::map";	2248	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2253
1660	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1661		2256
1662	$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	]
1663	}	2294	}
1664		2295
1665	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1666		2297
1667	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2299	instantiated unique items. May block.
1669		2300
1670	=cut	2301	=cut
1671		2302
1672	sub unique_maps() {	2303	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1674	or return;	2305	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2306	utf8::decode $_;
1680	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2309	? ()
1683	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2312	]
1685
1686	\@paths
1687	}	2313	}
1688
1689	package cf;
1690		2314
1691	=back	2315	=back
1692		2316
1693	=head3 cf::object	2317	=head3 cf::object
1694		2318
…		…
1698		2322
1699	=over 4	2323	=over 4
1700		2324
1701	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1702		2326
1703	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.
1704		2329
1705	=cut	2330	=cut
1706		2331
1707	sub inv_recursive_;	2332	sub inv_recursive_;
1708	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1711		2336
1712	sub inv_recursive {	2337	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1714	}	2339	}
1715		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
1716	package cf;	2369	package cf;
1717		2370
1718	=back	2371	=back
1719		2372
1720	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1729		2382
1730	=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	};
1731		2398
1732	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2400	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1737		2404
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2406
1740	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1745	}	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 (@_);
1746	}	2432	}
1747		2433
1748	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1749		2435
1750	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1763		2449
1764	=item $player_object->enter_link	2450	=item $player_object->enter_link
1765		2451
1766	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}>).
1767		2453
1768	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.
1769	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.
1770		2458
1771	Will never block.	2459	Will never block.
1772		2460
1773	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1774		2462
…		…
1797	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1798		2486
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2488
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1803		2491
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2493	}
1806		2494
1807	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1809		2499
1810	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1811		2501
1812	unless ($map) {	2502	unless ($map) {
1813	# restore original map position	2503	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1830		2520
1831	$map->load;	2521	$map->load;
1832	$map->load_diag;	2522	$map->load_neighbours;
1833		2523
1834	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1835	$self->activate_recursive;	2526	$self->activate_recursive;
1836		2527
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1839	}	2530	}
1840		2531
1841	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2533
1845	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1849	};	2538	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2539
1855	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1856	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2542
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1876		2546
1877	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1878	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;
1879		2552
1880	$self->enter_link;	2553	$self->enter_link;
1881		2554
1882	(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
1883	my $map = eval {	2577	my $map = eval {
1884	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2593	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1891	})->prio (1);	2601	})->prio (1);
1892	}	2602	}
1893		2603
1894	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1895		2605
…		…
1915	}	2625	}
1916		2626
1917	sub prepare_random_map {	2627	sub prepare_random_map {
1918	my ($exit) = @_;	2628	my ($exit) = @_;
1919		2629
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2632	# that depends on the exit object
1925		2633
1926	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2636	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1933	}	2643	}
1934		2644
1935	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1936		2646
1937	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1940		2650
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2653	undef $fh;
1944	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1945		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1948	}	2662	}
1949	}	2663	}
1950		2664
1951	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1953		2667
1954	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1955		2669
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2670	$self->enter_link;
1966		2671
1967	(async {	2672	(async {
1968	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1969	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
1970	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1971		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
1972	1;	2696	1
1973	}) {	2697	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2702
1979	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2704	$self->leave_link;
1981	}	2705	}
1982	})->prio (1);	2706	})->prio (1);
…		…
1995		2719
1996	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1998		2722
1999	utf8::encode $text;	2723	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2725	}
2002		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/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
		2798	"c/uptime" => {
		2799	id => "infobox",
		2800	title => "Uptime",
		2801	reply => undef,
		2802	tooltip => "How long the server has been running since last restart",
		2803	},
		2804	"c/mapinfo" => {
		2805	id => "infobox",
		2806	title => "Map Info",
		2807	reply => undef,
		2808	tooltip => "Information related to the maps",
		2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
		2824	);
		2825
		2826	sub cf::client::send_msg {
		2827	my ($self, $channel, $msg, $color, @extra) = @_;
		2828
		2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
		2831
		2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2833
		2834	# check predefined channels, for the benefit of C
		2835	if ($CHANNEL{$channel}) {
		2836	$channel = $CHANNEL{$channel};
		2837
		2838	$self->ext_msg (channel_info => $channel);
		2839	$channel = $channel->{id};
		2840
		2841	} elsif (ref $channel) {
		2842	# send meta info to client, if not yet sent
		2843	unless (exists $self->{channel}{$channel->{id}}) {
		2844	$self->{channel}{$channel->{id}} = $channel;
		2845	$self->ext_msg (channel_info => $channel);
		2846	}
		2847
		2848	$channel = $channel->{id};
		2849	}
		2850
		2851	return unless @extra || length $msg;
		2852
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	}
		2874
		2875	=item $client->ext_msg ($type, @msg)
		2876
		2877	Sends an ext event to the client.
		2878
		2879	=cut
		2880
		2881	sub cf::client::ext_msg($$@) {
		2882	my ($self, $type, @msg) = @_;
		2883
		2884	if ($self->extcmd == 2) {
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2886	} elsif ($self->extcmd == 1) { # TODO: remove
		2887	push @msg, msgtype => "event_$type";
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
		2891
		2892	=item $client->ext_reply ($msgid, @msg)
		2893
		2894	Sends an ext reply to the client.
		2895
		2896	=cut
		2897
		2898	sub cf::client::ext_reply($$@) {
		2899	my ($self, $id, @msg) = @_;
		2900
		2901	if ($self->extcmd == 2) {
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2903	} elsif ($self->extcmd == 1) {
		2904	#TODO: version 1, remove
		2905	unshift @msg, msgtype => "reply", msgid => $id;
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2907	}
		2908	}
2003		2909
2004	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
2005		2911
2006	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2915
2010	Queries can fail, so check the return code. Or don't, as queries will become	2916	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2917	become reliable at some point in the future.
2012		2918
2013	=cut	2919	=cut
2014		2920
2015	sub cf::client::query {	2921	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2922	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2930	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2932
2027	$self->send_packet ($self->{query_queue}[0][0])	2933	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2934	if @{ $self->{query_queue} } == 1;
		2935
		2936	1
2029	}	2937	}
2030		2938
2031	cf::client->attach (	2939	cf::client->attach (
		2940	on_connect => sub {
		2941	my ($ns) = @_;
		2942
		2943	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2944	},
2032	on_reply => sub {	2945	on_reply => sub {
2033	my ($ns, $msg) = @_;	2946	my ($ns, $msg) = @_;
2034		2947
2035	# this weird shuffling is so that direct followup queries	2948	# this weird shuffling is so that direct followup queries
2036	# get handled first	2949	# get handled first
…		…
2048	} else {	2961	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2963	}
2051	}	2964	}
2052	},	2965	},
		2966	on_exticmd => sub {
		2967	my ($ns, $buf) = @_;
		2968
		2969	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2970
		2971	if (ref $msg) {
		2972	my ($type, $reply, @payload) =
		2973	"ARRAY" eq ref $msg
		2974	? @$msg
		2975	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2976
		2977	my @reply;
		2978
		2979	if (my $cb = $EXTICMD{$type}) {
		2980	@reply = $cb->($ns, @payload);
		2981	}
		2982
		2983	$ns->ext_reply ($reply, @reply)
		2984	if $reply;
		2985
		2986	} else {
		2987	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2988	}
		2989
		2990	cf::override;
		2991	},
2053	);	2992	);
2054		2993
2055	=item $client->async (\&cb)	2994	=item $client->async (\&cb)
2056		2995
2057	Create a new coroutine, running the specified callback. The coroutine will	2996	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
2100		3039
2101	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
2102		3041
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3042	$safe->permit_only (Opcode::opset qw(
		3043	:base_core :base_mem :base_orig :base_math
		3044	grepstart grepwhile mapstart mapwhile
		3045	sort time
		3046	));
2104		3047
2105	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
2106		3049
2107	=pod	3050	=pod
2108		3051
2109	The following fucntions and emthods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
2110		3053
2111	cf::object contr pay_amount pay_player map	3054	cf::object
		3055	contr pay_amount pay_player map x y force_find force_add destroy
		3056	insert remove name archname title slaying race decrease split
		3057
2112	cf::object::player player	3058	cf::object::player
2113	cf::player peaceful	3059	player
2114	cf::map trigger	3060
		3061	cf::player
		3062	peaceful
		3063
		3064	cf::map
		3065	trigger
2115		3066
2116	=cut	3067	=cut
2117		3068
2118	for (	3069	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3071	insert remove inv nrof name archname title slaying race
		3072	decrease split destroy change_exp)],
2120	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2123	) {	3076	) {
2124	no strict 'refs';	3077	no strict 'refs';
…		…
2195	=back	3148	=back
2196		3149
2197	=cut	3150	=cut
2198		3151
2199	#############################################################################	3152	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3153	# the server's init and main functions
2273		3154
2274	sub load_faces {	3155	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3156	my ($path) = @_;
2276		3157
		3158	# HACK to clear player env face cache, we need some signal framework
		3159	# for this (global event?)
		3160	%ext::player_env::MUSIC_FACE_CACHE = ();
		3161
		3162	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3163
2277	warn "loading faces from $path\n";	3164	warn "loading facedata from $path\n";
2278		3165
2279	my $faces;	3166	my $facedata;
2280	0 < aio_load $path, $faces	3167	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3168	or die "$path: $!";
2282		3169
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3170	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3171
		3172	$facedata->{version} == 2
		3173	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3174
		3175	# patch in the exptable
		3176	$facedata->{resource}{"res/exp_table"} = {
		3177	type => FT_RSRC,
		3178	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3179	};
		3180	cf::cede_to_tick;
		3181
		3182	{
		3183	my $faces = $facedata->{faceinfo};
		3184
2287	while (my ($face, $info) = each %$faces) {	3185	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3187
		3188	cf::face::set_visibility $idx, $info->{visibility};
		3189	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3191	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3192
		3193	cf::cede_to_tick;
		3194	}
		3195
		3196	while (my ($face, $info) = each %$faces) {
		3197	next unless $info->{smooth};
		3198
		3199	my $idx = cf::face::find $face
		3200	or next;
		3201
		3202	if (my $smooth = cf::face::find $info->{smooth}) {
		3203	cf::face::set_smooth $idx, $smooth;
		3204	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3205	} else {
		3206	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3207	}
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211	}
		3212
2292	}	3213	{
		3214	my $anims = $facedata->{animinfo};
		3215
		3216	while (my ($anim, $info) = each %$anims) {
		3217	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	cf::anim::invalidate_all; # d'oh
		3222	}
		3223
		3224	{
		3225	# TODO: for gcfclient pleasure, we should give resources
		3226	# that gcfclient doesn't grok a >10000 face index.
		3227	my $res = $facedata->{resource};
		3228
		3229	while (my ($name, $info) = each %$res) {
		3230	if (defined $info->{type}) {
		3231	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3232	my $data;
		3233
		3234	if ($info->{type} & 1) {
		3235	# prepend meta info
		3236
		3237	my $meta = $enc->encode ({
		3238	name => $name,
		3239	%{ $info->{meta} || {} },
		3240	});
		3241
		3242	$data = pack "(w/a*)*", $meta, $info->{data};
		3243	} else {
		3244	$data = $info->{data};
		3245	}
		3246
		3247	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3248	cf::face::set_type $idx, $info->{type};
		3249	} else {
		3250	$RESOURCE{$name} = $info;
		3251	}
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255	}
		3256
		3257	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2293		3258
2294	1	3259	1
2295	}	3260	}
2296		3261
		3262	cf::global->attach (on_resource_update => sub {
		3263	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3264	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3265
		3266	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3267	my $sound = $soundconf->{compat}[$_]
		3268	or next;
		3269
		3270	my $face = cf::face::find "sound/$sound->[1]";
		3271	cf::sound::set $sound->[0] => $face;
		3272	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3273	}
		3274
		3275	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3276	my $face = cf::face::find "sound/$v";
		3277	cf::sound::set $k => $face;
		3278	}
		3279	}
		3280	});
		3281
		3282	register_exticmd fx_want => sub {
		3283	my ($ns, $want) = @_;
		3284
		3285	while (my ($k, $v) = each %$want) {
		3286	$ns->fx_want ($k, $v);
		3287	}
		3288	};
		3289
		3290	sub load_resource_file($) {
		3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
		3300	sub reload_regions {
		3301	# HACK to clear player env face cache, we need some signal framework
		3302	# for this (global event?)
		3303	%ext::player_env::MUSIC_FACE_CACHE = ();
		3304
		3305	load_resource_file "$MAPDIR/regions"
		3306	or die "unable to load regions file\n";
		3307
		3308	for (cf::region::list) {
		3309	$_->{match} = qr/$_->{match}/
		3310	if exists $_->{match};
		3311	}
		3312	}
		3313
		3314	sub reload_facedata {
		3315	load_facedata "$DATADIR/facedata"
		3316	or die "unable to load facedata\n";
		3317	}
		3318
		3319	sub reload_archetypes {
		3320	load_resource_file "$DATADIR/archetypes"
		3321	or die "unable to load archetypes\n";
		3322	}
		3323
		3324	sub reload_treasures {
		3325	load_resource_file "$DATADIR/treasures"
		3326	or die "unable to load treasurelists\n";
		3327	}
		3328
2297	sub reload_resources {	3329	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3330	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3331
2300	load_faces	3332	reload_facedata;
2301	or die "unable to load faces\n";#d#	3333	reload_archetypes;
2302	}
2303
2304	sub init {
2305	reload_resources;	3334	reload_regions;
2306	}	3335	reload_treasures;
2307		3336
2308	sub cfg_load {	3337	warn "finished reloading resource files\n";
		3338	}
		3339
		3340	sub reload_config {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3342	or return;
2311		3343
2312	local $/;	3344	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2314		3346
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2316		3348
2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2324	};	3356	};
2325	warn $@ if $@;	3357	warn $@ if $@;
2326	}	3358	}
2327	}	3359	}
2328		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
2329	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
2330	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333	(async {	3398	(async {
2334	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2336	};	3402	};
2337		3403
2338	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
2339	db_init;	3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
2340	load_extensions;	3422	load_extensions;
2341		3423
2342	$TICK_WATCHER->start;	3424	utime time, time, $RUNTIMEFILE;
		3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
2343	Event::loop;	3432	EV::loop;
2344	}	3433	}
2345		3434
2346	#############################################################################	3435	#############################################################################
2347	# initialisation and cleanup	3436	# initialisation and cleanup
2348		3437
2349	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2350	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2353	reentrant => 0,
2354	data => WF_AUTOCANCEL,
2355	signal => $signal,
2356	prio => 0,
2357	cb => sub {
2358	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2359	},
2360	);	3444	};
		3445	}
		3446	}
		3447
		3448	sub write_runtime_sync {
		3449	# first touch the runtime file to show we are still running:
		3450	# the fsync below can take a very very long time.
		3451
		3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3453
		3454	my $guard = cf::lock_acquire "write_runtime";
		3455
		3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3457	or return;
		3458
		3459	my $value = $cf::RUNTIME + 90 + 10;
		3460	# 10 is the runtime save interval, for a monotonic clock
		3461	# 60 allows for the watchdog to kill the server.
		3462
		3463	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3464	and return;
		3465
		3466	# always fsync - this file is important
		3467	aio_fsync $fh
		3468	and return;
		3469
		3470	# touch it again to show we are up-to-date
		3471	aio_utime $fh, undef, undef;
		3472
		3473	close $fh
		3474	or return;
		3475
		3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3477	and return;
		3478
		3479	warn "runtime file written.\n";
		3480
2361	}	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
2362	}	3532	}
2363		3533
2364	sub emergency_save() {	3534	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
2366		3536
2367	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
2368		3538
2369	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
2370	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
2371	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
2372	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
2374	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3553	$pl->save;
2378	}	3554	}
2379	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
2380		3556
2381	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
2382	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
2383	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2384	$map->valid or next;	3560	$map->valid or next;
2385	$map->save;	3561	$map->save;
2386	}	3562	}
2387	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
2388		3564
2389	warn "begin emergency database checkpoint\n";	3565	warn "emergency_perl_save: begin database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
2392	};	3572	};
2393		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
2394	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
2395	}	3580	}
2396		3581
2397	sub post_cleanup {	3582	sub post_cleanup {
2398	my ($make_core) = @_;	3583	my ($make_core) = @_;
2399		3584
2400	warn Carp::longmess "post_cleanup backtrace"	3585	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3586	if $make_core;
2402	}
2403		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
		3616	}
		3617
2404	sub reload() {	3618	sub do_reload_perl() {
2405	# can/must only be called in main	3619	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
2408	return;	3622	return;
2409	}	3623	}
2410		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
2411	warn "reloading...";	3630	warn "reloading...";
2412		3631
2413	warn "entering sync_job";	3632	warn "entering sync_job";
2414		3633
2415	cf::sync_job {	3634	cf::sync_job {
2416	cf::write_runtime; # external watchdog should not bark	3635	cf::write_runtime_sync; # external watchdog should not bark
2417	cf::emergency_save;	3636	cf::emergency_save;
2418	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2419		3638
2420	warn "syncing database to disk";	3639	warn "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
2422		3641
2423	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
2424		3643
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
2431	for (;;) {
2432	BDB::flush;
2433	IO::AIO::flush;
2434	Coro::cede;
2435	last unless IO::AIO::nreqs || BDB::nreqs;	3645	while (IO::AIO::nreqs || BDB::nreqs) {
2436	warn "iterate...";	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2437	}
2438
2439	++$RELOAD;
2440
2441	warn "cancelling all extension coros";
2442	$_->cancel for values %EXT_CORO;
2443	%EXT_CORO = ();
2444
2445	warn "removing commands";
2446	%COMMAND = ();
2447
2448	warn "removing ext commands";
2449	%EXTCMD = ();
2450
2451	warn "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";
2454
2455	if (my $cb = $pkg->can ("unload")) {
2456	eval {
2457	$cb->($pkg);
2458	1
2459	} or warn "$pkg unloaded, but with errors: $@";
2460	}	3647	}
2461		3648
2462	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
2463	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
2464	}	3651	%EXT_CORO = ();
2465		3652
2466	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
2467	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2469		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
2470	warn "... unloading $k";	3662	warn "... unloading $pkg";
2471	delete $INC{$k};
2472		3663
2473	$k =~ s/\.pm$//;
2474	$k =~ s/\//::/g;
2475
2476	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
2477	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
2478	}	3673	}
2479		3674
2480	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
2481	}	3690	}
2482		3691
2483	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
2484	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3695
2487	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
		3698	delete $INC{"cf/pod.pm"};
2489		3699
2490	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3701	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
2493		3703
2494	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
2495		3705
2496	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
2497	require cf;	3707	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2499		3709
2500	warn "loading config and database again";	3710	warn "loading config and database again";
2501	cf::cfg_load;	3711	cf::reload_config;
2502		3712
2503	warn "loading extensions";	3713	warn "loading extensions";
2504	cf::load_extensions;	3714	cf::load_extensions;
2505		3715
		3716	if ($REATTACH_ON_RELOAD) {
2506	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
2507	_global_reattach; # objects, sockets	3718	_global_reattach; # objects, sockets
2508	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3721	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3722	reattach $_ for values %PLAYER;
		3723	}
2512		3724
2513	warn "loading reloadable resources";	3725	warn "running post_init jobs";
2514	reload_resources;	3726	(pop @POST_INIT)->(1) while @POST_INIT;
2515		3727
2516	warn "leaving sync_job";	3728	warn "leaving sync_job";
2517		3729
2518	1	3730	1
2519	} or do {	3731	} or do {
2520	warn $@;	3732	warn $@;
2521	warn "error while reloading, exiting.";	3733	cf::cleanup "error while reloading, exiting.";
2522	exit 1;	3734	};
		3735
		3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
		3742	};
		3743
		3744	our $RELOAD_WATCHER; # used only during reload
		3745
		3746	sub reload_perl() {
		3747	# doing reload synchronously and two reloads happen back-to-back,
		3748	# coro crashes during coro_state_free->destroy here.
		3749
		3750	$RELOAD_WATCHER ||= cf::async {
		3751	Coro::AIO::aio_wait cache_extensions;
		3752
		3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3754	do_reload_perl;
		3755	undef $RELOAD_WATCHER;
		3756	};
2523	};	3757	};
2524		3758	}
2525	warn "reloaded";
2526	};
2527
2528	our $RELOAD_WATCHER; # used only during reload
2529		3759
2530	register_command "reload" => sub {	3760	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
2532		3762
2533	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3764	$who->message ("reloading server.");
2535		3765	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	3766	$Coro::current->{desc} = "perl_reload";
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;	3767	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	3768	};
2548	}	3769	}
2549	};	3770	};
2550		3771
2551	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
2552		3773
2553	my $bug_warning = 0;	3774	my $bug_warning = 0;
2554		3775
2555	$TICK_WATCHER = Event->timer (	3776	our @WAIT_FOR_TICK;
2556	reentrant => 0,	3777	our @WAIT_FOR_TICK_BEGIN;
2557	parked => 1,	3778
2558	prio => 0,	3779	sub wait_for_tick {
2559	at => $NEXT_TICK || $TICK,	3780	return if tick_inhibit || $Coro::current == $Coro::main;
2560	data => WF_AUTOCANCEL,	3781
2561	cb => sub {	3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub wait_for_tick_begin {
		3788	return if tick_inhibit || $Coro::current == $Coro::main;
		3789
		3790	my $signal = new Coro::Signal;
		3791	push @WAIT_FOR_TICK_BEGIN, $signal;
		3792	$signal->wait;
		3793	}
		3794
		3795	sub tick {
2562	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
2565	return;	3799	return;
2566	}	3800	}
2567		3801
2568	$NOW = Event::time;
2569
2570	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		3803
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	3806	Coro::async_pool {
		3807	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	3808	write_runtime_sync
2578	or warn "ERROR: unable to write runtime file: $!";	3809	or warn "ERROR: unable to write runtime file: $!";
2579	};
2580	}	3810	};
2581
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#
2587
2588	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2590
2591	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;
2593	},	3811	}
2594	);	3812
		3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3814	$sig->send;
		3815	}
		3816	while (my $sig = shift @WAIT_FOR_TICK) {
		3817	$sig->send;
		3818	}
		3819
		3820	$LOAD = ($NOW - $TICK_START) / $TICK;
		3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3822
		3823	if (0) {
		3824	if ($NEXT_TICK) {
		3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
		3828	}
		3829	}
		3830	}
2595		3831
2596	{	3832	{
2597	BDB::max_poll_time $TICK * 0.1;	3833	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	3834
2599	reentrant => 0,
2600	fd => BDB::poll_fileno,
2601	poll => 'r',
2602	prio => 0,
2603	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,
2605	);
2606	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
2607		3836	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	3837	$AnyEvent::BDB::WATCHER->priority (1);
2609	my $status;
2610	my $current = $Coro::current;
2611	(
2612	sub {
2613	$status = $!;
2614	$current->ready; undef $current;
2615	},
2616	sub {
2617	Coro::schedule while defined $current;
2618	$! = $status;
2619	},
2620	)
2621	};
2622		3838
2623	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	3840	$DB_ENV = BDB::db_env_create;
		3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		3846
2626	cf::sync_job {	3847	cf::sync_job {
2627	eval {	3848	eval {
2628	BDB::db_env_open	3849	BDB::db_env_open
2629	$DB_ENV,	3850	$DB_ENV,
2630	$BDB_ENV_DIR,	3851	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	3854	0666;
2634		3855
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	3857	};
2640		3858
2641	cf::cleanup "db_env_open(db): $@" if $@;	3859	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	3860	};
2643	}	3861	}
		3862
		3863	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3864	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3865	};
		3866	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3867	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3868	};
		3869	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3870	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3871	};
2644	}	3872	}
2645		3873
2646	{	3874	{
		3875	# configure IO::AIO
		3876
2647	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	3879	undef $AnyEvent::AIO::WATCHER;
2652	reentrant => 0,
2653	data => WF_AUTOCANCEL,
2654	fd => IO::AIO::poll_fileno,
2655	poll => 'r',
2656	prio => 6,
2657	cb => \&IO::AIO::poll_cb,
2658	);
2659	}	3880	}
		3881
		3882	my $_log_backtrace;
		3883
		3884	sub _log_backtrace {
		3885	my ($msg, @addr) = @_;
		3886
		3887	$msg =~ s/\n//;
		3888
		3889	# limit the # of concurrent backtraces
		3890	if ($_log_backtrace < 2) {
		3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
		3893	async {
		3894	$Coro::current->{desc} = "abt $msg";
		3895
		3896	my @bt = fork_call {
		3897	@addr = map { sprintf "%x", $_ } @addr;
		3898	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3899	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3900	or die "addr2line: $!";
		3901
		3902	my @funcs;
		3903	my @res = <$fh>;
		3904	chomp for @res;
		3905	while (@res) {
		3906	my ($func, $line) = splice @res, 0, 2, ();
		3907	push @funcs, "[$func] $line";
		3908	}
		3909
		3910	@funcs
		3911	};
		3912
		3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3915	LOG llevInfo, "[ABT] $_\n" for @bt;
		3916	--$_log_backtrace;
		3917	};
		3918	} else {
		3919	LOG llevInfo, "[ABT] $msg\n";
		3920	LOG llevInfo, "[ABT] [suppressed]\n";
		3921	}
		3922	}
		3923
		3924	# load additional modules
		3925	use cf::pod;
2660		3926
2661	END { cf::emergency_save }	3927	END { cf::emergency_save }
2662		3928
2663	1	3929	1
2664		3930

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