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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 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;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		78
40	our %COMMAND = ();	79	our %COMMAND = ();
41	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
42		81
43	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
47		87
48	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	89	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		90
52	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	92	our $DATADIR = datadir;
54	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(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	109	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	115	our $DB_ENV;
62		116
63	our %CFG;	117	our %CFG;
64		118
65	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
67		122
68	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		126
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
80	binmode STDOUT;	139	binmode STDOUT;
81	binmode STDERR;	140	binmode STDERR;
82		141
83	# read virtual server time, if available	142	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
88	}	147	}
89		148
90	mkdir cf::localdir;	149	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		151
97	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
98		153
99	sub cf::map::normalise;	154	sub cf::map::normalise;
100		155
…		…
111	=item $cf::RUNTIME	166	=item $cf::RUNTIME
112		167
113	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
114	every server tick.	169	every server tick.
115		170
116	=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
117		174
118	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		179
121	=item $cf::NOW	180	=item $cf::NOW
122		181
123	The time of the last (current) server tick.	182	The time of the last (current) server tick.
124		183
125	=item $cf::TICK	184	=item $cf::TICK
126		185
127	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
128		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
129	=item %cf::CFG	198	=item %cf::CFG
130		199
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	201	from wherever your confdir points to.
133		202
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		204
136	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
137	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
138	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.
139	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.
140		214
141	=back	215	=back
142		216
143	=cut	217	=cut
144		218
145	BEGIN {	219	BEGIN {
146	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	221	my $msg = join "", @_;
148	utf8::encode $msg;
149		222
150	$msg .= "\n"	223	$msg .= "\n"
151	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
152		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
153	LOG llevError, $msg;	228	LOG llevError, $msg;
154	};	229	};
155	}	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#?
156		246
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		254
164	# 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
165	# within the Safe compartment.	256	# within the Safe compartment.
166	for my $pkg (qw(	257	for my $pkg (qw(
167	cf::global cf::attachable	258	cf::global cf::attachable
168	cf::object cf::object::player	259	cf::object cf::object::player
169	cf::client cf::player	260	cf::client cf::player
170	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
171	cf::map cf::party cf::region	263	cf::party cf::region
172	)) {	264	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	266	}
176		267
177	$Event::DIED = sub {	268	$EV::DIED = sub {
178	warn "error in event callback: @_";	269	warn "error in event callback: @_";
179	};	270	};
		271
		272	#############################################################################
180		273
181	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
182		275
183	=over 4	276	=over 4
184		277
…		…
203	$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;
204	$d	297	$d
205	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
206	}	299	}
207		300
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
211		302
212	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
213		304
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
222		306
223	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
224		308
225	=cut	309	=cut
226		310
227	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
229	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;
230	}	328	}
231		329
232	=item cf::lock_wait $string	330	=item cf::lock_wait $string
233		331
234	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
235		333
236	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
237		335
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
241	returned.	339	returned.
242		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
243	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
244	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
245		346
246	=cut	347	=item $locked = cf::lock_active $string
247		348
248	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
249		354
250	sub lock_wait($) {	355	sub lock_wait($) {
251	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	357	}
259		358
260	sub lock_acquire($) {	359	sub lock_acquire($) {
261	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
262		362
263	# wait, to be sure we are not locked	363	sub lock_active($) {
264	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	365	}
273		366
274	sub freeze_mainloop {	367	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
276		369
277	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
278	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
279	};	431	}
280	$TICK_WATCHER->stop;	432	};
281	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
282	}	446	}
283		447
284	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
285		449
286	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		455
292	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
293		457
294	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
295		459
296	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
299		464
300	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
303	fast or be very important.	468	fast or be very important.
…		…
306		471
307	sub sync_job(&) {	472	sub sync_job(&) {
308	my ($job) = @_;	473	my ($job) = @_;
309		474
310	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
311	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
313		480
314	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	482
316	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
317		484
318	my $busy = 1;	485	my $busy = 1;
319	my @res;	486	my @res;
320		487
321	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	490	@res = eval { $job->() };
323	warn $@ if $@;	491	warn $@ if $@;
324	undef $busy;	492	undef $busy;
325	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
326		494
327	while ($busy) {	495	while ($busy) {
328	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
329	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
330		506
331	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
332	} else {	508	} else {
333	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
334		510
…		…
354	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
355		531
356	$coro	532	$coro
357	}	533	}
358		534
359	sub write_runtime {	535	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		536
362	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.
363		541
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
365	or return;
366		543
367	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		546
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
372	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
373		550
374	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	552	reset_signals;
376	and return;	553	&$cb
		554	}, @args;
377		555
378	close $fh	556	wantarray ? @res : $res[-1]
379	or return;	557	}
380		558
381	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
382	and return;
383		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
384	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
385	}	722	}
386		723
387	=back	724	=back
388		725
389	=cut	726	=cut
390		727
391	#############################################################################	728	#############################################################################
392		729
393	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
394		731
395	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
396	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")
397	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
398		735
399	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>
400	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
401	crossfire+).	738	Deliantra).
402		739
403	=over 4	740	=over 4
404		741
405	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
406		743
…		…
450	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
451		788
452	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
454		791
455	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		794
458	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
459		796
460	=over 4	797	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
570		907
571	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		912
576	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	914	my $pkg = shift @arg;
578		915
579	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
609	}	946	}
610		947
611	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
612	} else {	949	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	951	}
615		952
616	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
617	}	954	}
618		955
…		…
620	if (ref $_[0]) {	957	if (ref $_[0]) {
621	_object_attach @_;	958	_object_attach @_;
622	} else {	959	} else {
623	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
624	}	961	}
		962	_recalc_want;
625	};	963	};
626		964
627	# all those should be optimised	965	# all those should be optimised
628	sub cf::attachable::detach {	966	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
633	reattach ($obj);	971	reattach ($obj);
634	} else {	972	} else {
635	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
636	}	974	}
		975	_recalc_want;
637	};	976	};
638		977
639	sub cf::attachable::attached {	978	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
641		980
…		…
656	";	995	";
657	die if $@;	996	die if $@;
658	}	997	}
659		998
660	our $override;	999	our $override;
661	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?
662		1001
663	sub override {	1002	sub override {
664	$override = 1;	1003	$override = 1;
665	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
666	}	1005	}
667		1006
668	sub do_invoke {	1007	sub do_invoke {
669	my $event = shift;	1008	my $event = shift;
670	my $callbacks = shift;	1009	my $callbacks = shift;
671		1010
672	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
673		1012
674	local $override;	1013	local $override;
675		1014
676	for (@$callbacks) {	1015	for (@$callbacks) {
677	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
686	}	1025	}
687		1026
688	0	1027	0
689	}	1028	}
690		1029
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1031
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1033
695	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
696		1035
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1039
701	=back	1040	=back
702		1041
703	=cut	1042	=cut
704		1043
705	#############################################################################	1044	#############################################################################
706	# 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, $ob2
		1087	}
707		1088
708	sub reattach {	1089	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1091	my ($obj) = @_;
711		1092
		1093	# no longer needed after getting rid of delete_package?
712	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
713		1095
714	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
715		1097
716	@$registry = ();	1098	@$registry = ();
717		1099
…		…
732	cf::attachable->attach (	1114	cf::attachable->attach (
733	prio => -1000000,	1115	prio => -1000000,
734	on_instantiate => sub {	1116	on_instantiate => sub {
735	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
736		1118
737	$data = from_json $data;	1119	$data = decode_json $data;
738		1120
739	for (@$data) {	1121	for (@$data) {
740	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
741		1123
742	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1140	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
760		1142
761	sync_job {	1143	sync_job {
762	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
765		1148
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1153	aio_close $fh;
771		1154
772	if (@$objs) {	1155	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1161	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
780	}	1163	}
781	} else {	1164	} else {
782	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
783	}	1166	}
784		1167
785	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1172	} else {
787	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
788	}	1174	}
789	} else {	1175	} else {
790	aio_unlink $filename;	1176	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
792	}	1178	}
793	}	1179	};
794	}	1180	}
795		1181
796	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
798		1184
…		…
810	or return;	1196	or return;
811		1197
812	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
814	or return;	1200	or return;
		1201
815	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
816	}	1204	}
817		1205
		1206	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
820	return ($data, $av);	1210	($data, $av)
821	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
822		1218
823	#############################################################################	1219	#############################################################################
824	# command handling &c	1220	# command handling &c
825		1221
826	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1236	}
841		1237
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1239
844	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.
845		1245
846	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
847	called.	1247	called.
848		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
849	=cut	1260	=cut
850		1261
851	sub register_extcmd {	1262	sub register_extcmd {
852	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
853		1264
854	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
855	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
856		1275
857	cf::player->attach (	1276	cf::player->attach (
858	on_command => sub {	1277	on_command => sub {
859	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
860		1279
…		…
868	cf::override;	1287	cf::override;
869	},	1288	},
870	on_extcmd => sub {	1289	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
872		1291
873	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1293
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
881	} else {	1309	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1311	}
884		1312
885	cf::override;	1313	cf::override;
886	},	1314	},
887	);	1315	);
888		1316
		1317	# "readahead" all extensions
889	sub load_extension {	1318	sub cache_extensions {
890	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
891		1320
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
893	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1324	}
917	die $@;
918	}	1325	};
919		1326
920	push @EXTS, $pkg;	1327	$grp
921	}	1328	}
922		1329
923	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
924	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1335	next unless -r $path;
926	eval {	1336
927	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	$progress = 1;
928	1	1393	}
929	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
930	}	1399	};
931	}	1400	}
932		1401
933	#############################################################################	1402	#############################################################################
934		1403
		1404	=back
		1405
935	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
936		1407
937	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
938		1409
939	=cut	1410	=cut
940		1411
941	package cf::player;	1412	package cf::player;
942		1413
…		…
944		1415
945	=head3 cf::player	1416	=head3 cf::player
946		1417
947	=over 4	1418	=over 4
948		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
949	=item cf::player::find $login	1434	=item cf::player::find $login
950		1435
951	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
952		1437
953	=cut	1438	=cut
954		1439
955	sub playerdir($) {	1440	sub playerdir($) {
956	cf::localdir	1441	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1443	}
962		1444
963	sub path($) {	1445	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1447
966	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
967	}	1449	}
968		1450
969	sub find_active($) {	1451	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
974		1456
975	sub exists($) {	1457	sub exists($) {
976	my ($login) = @_;	1458	my ($login) = @_;
977		1459
978	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
980	}	1462	}
981		1463
982	sub find($) {	1464	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1466	my $login = $_[0];
985		1467
986	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
987		1469
988	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
989	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
990	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;
991	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
992	}	1487	}
993	}	1488	}
994	}	1489	}
995		1490
…		…
1004	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1005		1500
1006	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1008		1503
		1504	cf::get_slot 0.01;
		1505
1009	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1010	Coro::cede;	1507	cf::cede_to_tick;
1011	}	1508	}
1012		1509
1013	sub new($) {	1510	sub new($) {
1014	my ($login) = @_;	1511	my ($login) = @_;
1015		1512
…		…
1021	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1022		1519
1023	$self	1520	$self
1024	}	1521	}
1025		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
1026	=item $pl->quit_character	1533	=item $pl->quit_character
1027		1534
1028	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1030		1537
…		…
1034	my ($pl) = @_;	1541	my ($pl) = @_;
1035		1542
1036	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1037		1544
1038	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1039	$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
1040		1547
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1045		1554
1046	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1078		1587
1079	=cut	1588	=cut
1080		1589
1081	sub list_logins {	1590	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1592	or return [];
1084		1593
1085	my @logins;	1594	my @logins;
1086		1595
1087	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") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1091		1606
1092	utf8::decode $login;	1607	utf8::decode $login;
1093	push @logins, $login;	1608	push @logins, $login;
1094	}	1609	}
1095		1610
…		…
1122	}	1637	}
1123		1638
1124	\@paths	1639	\@paths
1125	}	1640	}
1126		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1128		1647
1129	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1130		1649
1131	=cut	1650	=cut
1132		1651
1133	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1135		1654
1136	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1656	}
1140		1657
1141	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	}
1142		1698
1143	=back	1699	=back
1144
1145		1700
1146	=head3 cf::map	1701	=head3 cf::map
1147		1702
1148	=over 4	1703	=over 4
1149		1704
…		…
1161	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1163		1718
1164	sub generate_random_map {	1719	sub generate_random_map {
1165	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
1166	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1725	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1205		1763
1206	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1207	local $self->{path};	1765	local $self->{path};
1208	local $self->{load_path};	1766	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1767
1212	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1213	}	1769	}
1214		1770
1215	sub normalise {	1771	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1263	return $self;	1819	return $self;
1264	}	1820	}
1265	}	1821	}
1266		1822
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1824	()
1269	}	1825	}
1270		1826
1271	sub init {	1827	sub init {
1272	my ($self) = @_;	1828	my ($self) = @_;
…		…
1287		1843
1288	# the original (read-only) location	1844	# the original (read-only) location
1289	sub load_path {	1845	sub load_path {
1290	my ($self) = @_;	1846	my ($self) = @_;
1291		1847
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1293	}	1849	}
1294		1850
1295	# the temporary/swap location	1851	# the temporary/swap location
1296	sub save_path {	1852	sub save_path {
1297	my ($self) = @_;	1853	my ($self) = @_;
1298		1854
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1301	}	1857	}
1302		1858
1303	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1304	sub uniq_path {	1860	sub uniq_path {
1305	my ($self) = @_;	1861	my ($self) = @_;
1306		1862
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1309	}	1865	}
1310		1866
1311	# and all this just because we cannot iterate over	1867	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	1868	my ($self) = @_;
1315		1869
1316	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1318	}	1873	}
1319		1874
1320	sub unlink_save {	1875	sub unlink_save {
1321	my ($self) = @_;	1876	my ($self) = @_;
1322		1877
…		…
1327		1882
1328	sub load_header_from($) {	1883	sub load_header_from($) {
1329	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1330		1885
1331	utf8::encode $path;	1886	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	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;
1337		1895
1338	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1339		1897
1340	1	1898	1
1341	}	1899	}
…		…
1380	$self->load_header_orig	1938	$self->load_header_orig
1381	or return;	1939	or return;
1382	$self->prepare_orig;	1940	$self->prepare_orig;
1383	}	1941	}
1384		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
1385	1	1949	1
1386	}	1950	}
1387		1951
1388	sub find;	1952	sub find;
1389	sub find {	1953	sub find {
1390	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1391		1955
1392	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1393		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1395		1960
1396	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1399	or return;	1963	or return;
1400		1964
1401	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1402		1966
1403	$map->load_header	1967	$map->load_header
1404	or return;	1968	or return;
1405		1969
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1409	$map->reset;	1975	$map->reset;
1410	undef $guard;
1411	return find $path;	1976	return find $path;
1412	}	1977	}
1413		1978
1414	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1415	}	1980	}
…		…
1422	my ($self) = @_;	1987	my ($self) = @_;
1423		1988
1424	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1425		1990
1426	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1428		1995
		1996	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1998
1431	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1432		2000
1433	$self->alloc;	2001	$self->alloc;
1434		2002
1435	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1436		2005
1437	$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)
1438	or return;	2009	or return;
1439		2010
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1441	if delete $self->{load_original};	2012	if delete $self->{load_original};
1442		2013
1443	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2015	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2018	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1448	}	2022	}
1449	}	2023	}
1450		2024
1451	Coro::cede;	2025	$f->resolve_delayed_derefs;
1452		2026
		2027	cf::cede_to_tick;
1453	# now do the right thing for maps	2028	# now do the right thing for maps
1454	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2031	unless $self->difficulty;
1464	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;
1465	$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);
1466	}	2046	}
1467		2047
1468	$self->post_load;	2048	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2049	}
1472		2050
1473	sub customise_for {	2051	sub customise_for {
1474	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1475		2053
1476	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2055	if $self->per_player;
1478		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1479	$self	2060	$self
1480	}	2061	}
1481		2062
1482	# 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
1483	sub load_diag {	2064	sub load_neighbours {
1484	my ($map) = @_;	2065	my ($map) = @_;
1485		2066
1486	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1487		2068
1488	for (0 .. 3) {	2069	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1490	or next;	2071	or next;
1491	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1492	or next;	2073	or next;
1493	$neigh->load;	2074	$neigh->load;
1494		2075
		2076	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2079	}
1498		2080
1499	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1501	or next;	2084	or next;
1502	$neigh->load;	2085	$neigh->load;
1503	}	2086	}
1504	}	2087	}
1505		2088
…		…
1510	}	2093	}
1511		2094
1512	sub do_load_sync {	2095	sub do_load_sync {
1513	my ($map) = @_;	2096	my ($map) = @_;
1514		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1515	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1516	}	2102	}
1517		2103
1518	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1520		2106
1521	sub find_async {	2107	sub find_async {
1522	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1523		2109
1524	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1525		2111
1526	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2114	}
1529		2115
1530	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1531	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1532	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2123	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2124	$map->load if $v;
		2125	}
1537		2126
1538	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1539	}	2128	}
1540	}	2129	}
1541	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1542	};	2131	};
1543	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2135	}
1547		2136
1548	sub save {	2137	sub save {
1549	my ($self) = @_;	2138	my ($self) = @_;
1550		2139
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2141
1553	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1554		2143
1555	return unless $self->dirty;	2144	return unless $self->dirty;
1556		2145
…		…
1562	return if $self->{deny_save};	2151	return if $self->{deny_save};
1563		2152
1564	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1565		2154
1566	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1568	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1569		2161
1570	if ($uniq) {	2162	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2165	} else {
…		…
1579	my ($self) = @_;	2171	my ($self) = @_;
1580		2172
1581	# save first because save cedes	2173	# save first because save cedes
1582	$self->save;	2174	$self->save;
1583		2175
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2177
1586	return if $self->players;	2178	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2180	return if $self->{deny_save};
1589		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2186	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2187	}
1593		2188
1594	sub reset_at {	2189	sub reset_at {
1595	my ($self) = @_;	2190	my ($self) = @_;
1596		2191
1597	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1600		2194
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	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;
1603		2197
…		…
1614	my ($self) = @_;	2208	my ($self) = @_;
1615		2209
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2211
1618	return if $self->players;	2212	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2213
1621	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1622		2215
1623	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1624		2217
1625	# need to save uniques path	2218	# need to save uniques path
1626	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2223	if $uniq;
1631	}	2224	}
1632		2225
1633	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1634		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2230	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2231
1639	$self->unlink_save;	2232	$self->unlink_save;
1640	$self->destroy;	2233	$self->destroy;
1641	}	2234	}
1642		2235
1643	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1644		2237
1645	sub nuke {	2238	sub nuke {
1646	my ($self) = @_;	2239	my ($self) = @_;
1647		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1648	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1649		2245
1650	$self->unlink_save;	2246	$self->unlink_save;
1651		2247
1652	bless $self, "cf::map";	2248	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2253
1658	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1659		2256
1660	$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	]
1661	}	2294	}
1662		2295
1663	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1664		2297
1665	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2299	instantiated unique items. May block.
1667		2300
1668	=cut	2301	=cut
1669		2302
1670	sub unique_maps() {	2303	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1672	or return;	2305	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2306	utf8::decode $_;
1678	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2309	? ()
1681	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2312	]
1683
1684	\@paths
1685	}	2313	}
1686
1687	package cf;
1688		2314
1689	=back	2315	=back
1690		2316
1691	=head3 cf::object	2317	=head3 cf::object
1692		2318
…		…
1696		2322
1697	=over 4	2323	=over 4
1698		2324
1699	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1700		2326
1701	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.
1702		2329
1703	=cut	2330	=cut
1704		2331
1705	sub inv_recursive_;	2332	sub inv_recursive_;
1706	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1709		2336
1710	sub inv_recursive {	2337	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1712	}	2339	}
1713		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
1714	package cf;	2369	package cf;
1715		2370
1716	=back	2371	=back
1717		2372
1718	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1724	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>
1725	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
1726	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1727		2382
1728	=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	};
1729		2398
1730	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2400	# with dialog boxes.
1732	#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
1733	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1735		2404
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2406
1738	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1743	}	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 (@_);
1744	}	2432	}
1745		2433
1746	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1747		2435
1748	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1761		2449
1762	=item $player_object->enter_link	2450	=item $player_object->enter_link
1763		2451
1764	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}>).
1765		2453
1766	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.
1767	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.
1768		2458
1769	Will never block.	2459	Will never block.
1770		2460
1771	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1772		2462
…		…
1795	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1796		2486
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2488
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1801		2491
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2493	}
1804		2494
1805	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1807		2499
1808	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1809		2501
1810	unless ($map) {	2502	unless ($map) {
1811	# restore original map position	2503	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1828		2520
1829	$map->load;	2521	$map->load;
1830	$map->load_diag;	2522	$map->load_neighbours;
1831		2523
1832	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1833	$self->activate_recursive;	2526	$self->activate_recursive;
1834		2527
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1837	}	2530	}
1838		2531
1839	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2533
1843	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1847	};	2538	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2539
1853	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2542
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1874		2546
1875	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1876	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;
1877		2552
1878	$self->enter_link;	2553	$self->enter_link;
1879		2554
1880	(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
1881	my $map = eval {	2577	my $map = eval {
1882	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2593	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1889	})->prio (1);	2601	})->prio (1);
1890	}	2602	}
1891		2603
1892	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1893		2605
…		…
1913	}	2625	}
1914		2626
1915	sub prepare_random_map {	2627	sub prepare_random_map {
1916	my ($exit) = @_;	2628	my ($exit) = @_;
1917		2629
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2632	# that depends on the exit object
1923		2633
1924	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2636	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1931	}	2643	}
1932		2644
1933	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1934		2646
1935	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1938		2650
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2653	undef $fh;
1942	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1943		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1946	}	2662	}
1947	}	2663	}
1948		2664
1949	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1951		2667
1952	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1953		2669
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2670	$self->enter_link;
1964		2671
1965	(async {	2672	(async {
1966	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1967	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
1968	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1969		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
1970	1;	2696	1
1971	}) {	2697	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2702
1977	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2704	$self->leave_link;
1979	}	2705	}
1980	})->prio (1);	2706	})->prio (1);
…		…
1993		2719
1994	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1996		2722
1997	utf8::encode $text;	2723	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2725	}
2000		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	}
2001		2909
2002	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
2003		2911
2004	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
2005	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>,
2006	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>.
2007		2915
2008	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
2009	reliable at some point in the future.	2917	become reliable at some point in the future.
2010		2918
2011	=cut	2919	=cut
2012		2920
2013	sub cf::client::query {	2921	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2922	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2930	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2932
2025	$self->send_packet ($self->{query_queue}[0][0])	2933	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2934	if @{ $self->{query_queue} } == 1;
		2935
		2936	1
2027	}	2937	}
2028		2938
2029	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	},
2030	on_reply => sub {	2945	on_reply => sub {
2031	my ($ns, $msg) = @_;	2946	my ($ns, $msg) = @_;
2032		2947
2033	# this weird shuffling is so that direct followup queries	2948	# this weird shuffling is so that direct followup queries
2034	# get handled first	2949	# get handled first
…		…
2046	} else {	2961	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2963	}
2049	}	2964	}
2050	},	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	},
2051	);	2992	);
2052		2993
2053	=item $client->async (\&cb)	2994	=item $client->async (\&cb)
2054		2995
2055	Create a new coroutine, running the specified callback. The coroutine will	2996	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
2098		3039
2099	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
2100		3041
2101	$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	));
2102		3047
2103	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
2104		3049
2105	=pod	3050	=pod
2106		3051
2107	The following fucntions and emthods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
2108		3053
2109	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
2110	cf::object::player player	3058	cf::object::player
2111	cf::player peaceful	3059	player
2112	cf::map trigger	3060
		3061	cf::player
		3062	peaceful
		3063
		3064	cf::map
		3065	trigger
2113		3066
2114	=cut	3067	=cut
2115		3068
2116	for (	3069	for (
2117	["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)],
2118	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2121	) {	3076	) {
2122	no strict 'refs';	3077	no strict 'refs';
…		…
2193	=back	3148	=back
2194		3149
2195	=cut	3150	=cut
2196		3151
2197	#############################################################################	3152	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3153	# the server's init and main functions
2271		3154
2272	sub load_faces {	3155	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3156	my ($path) = @_;
2274		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
2275	warn "loading faces from $path\n";	3164	warn "loading facedata from $path\n";
2276		3165
2277	my $faces;	3166	my $facedata;
2278	0 < aio_load $path, $faces	3167	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3168	or die "$path: $!";
2280		3169
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3170	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		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
2285	while (my ($face, $info) = each %$faces) {	3185	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	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};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	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
2290	}	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);
2291		3258
2292	1	3259	1
2293	}	3260	}
2294		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
2295	sub reload_resources {	3329	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3330	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3331
2298	load_faces	3332	reload_facedata;
2299	or die "unable to load faces\n";#d#	3333	reload_archetypes;
2300	}
2301
2302	sub init {
2303	reload_resources;	3334	reload_regions;
2304	}	3335	reload_treasures;
2305		3336
2306	sub cfg_load {	3337	warn "finished reloading resource files\n";
		3338	}
		3339
		3340	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3342	or return;
2309		3343
2310	local $/;	3344	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2312		3346
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3348
2315	$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};
2316	$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};
…		…
2322	};	3356	};
2323	warn $@ if $@;	3357	warn $@ if $@;
2324	}	3358	}
2325	}	3359	}
2326		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
2327	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
2328	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2330	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#
2331	(async {	3398	(async {
2332	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2334	};	3402	};
2335		3403
2336	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
2337	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
2338	load_extensions;	3422	load_extensions;
2339		3423
2340	$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
2341	Event::loop;	3432	EV::loop;
2342	}	3433	}
2343		3434
2344	#############################################################################	3435	#############################################################################
2345	# initialisation and cleanup	3436	# initialisation and cleanup
2346		3437
2347	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2348	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2357	},
2358	);	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
2359	}	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 };
2360	}	3532	}
2361		3533
2362	sub emergency_save() {	3534	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
2364		3536
2365	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
2366		3538
2367	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
2368	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3553	$pl->save;
2376	}	3554	}
2377	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
2378		3556
2379	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3560	$map->valid or next;
2383	$map->save;	3561	$map->save;
2384	}	3562	}
2385	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
2386		3564
2387	warn "begin emergency database checkpoint\n";	3565	warn "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2389	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";
2390	};	3572	};
2391		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
2392	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
2393	}	3580	}
2394		3581
2395	sub post_cleanup {	3582	sub post_cleanup {
2396	my ($make_core) = @_;	3583	my ($make_core) = @_;
2397		3584
2398	warn Carp::longmess "post_cleanup backtrace"	3585	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3586	if $make_core;
2400	}
2401		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 $pkg\n";#d#
		3616	}
		3617
2402	sub reload() {	3618	sub do_reload_perl() {
2403	# can/must only be called in main	3619	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
2406	return;	3622	return;
2407	}	3623	}
2408		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
2409	warn "reloading...";	3630	warn "reloading...";
2410		3631
2411	warn "entering sync_job";	3632	warn "entering sync_job";
2412		3633
2413	cf::sync_job {	3634	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3635	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3636	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2417		3638
2418	warn "syncing database to disk";	3639	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3641
2421	# 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
2422		3643
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3645	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3647	}
2459		3648
2460	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
2462	}	3651	%EXT_CORO = ();
2463		3652
2464	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3662	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3663
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
2475	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
2476	}	3673	}
2477		3674
2478	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 $k;
2479	}	3690	}
2480		3691
2481	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
2483	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);
2484		3695
2485	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
		3698	delete $INC{"cf/pod.pm"};
2487		3699
2488	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3701	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
2491		3703
2492	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
2493		3705
2494	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
2495	require cf;	3707	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3709
2498	warn "loading config and database again";	3710	warn "loading config and database again";
2499	cf::cfg_load;	3711	cf::reload_config;
2500		3712
2501	warn "loading extensions";	3713	warn "loading extensions";
2502	cf::load_extensions;	3714	cf::load_extensions;
2503		3715
		3716	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3718	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3721	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3722	reattach $_ for values %PLAYER;
		3723	}
2510		3724
2511	warn "loading reloadable resources";	3725	warn "running post_init jobs";
2512	reload_resources;	3726	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3727
2514	warn "leaving sync_job";	3728	warn "leaving sync_job";
2515		3729
2516	1	3730	1
2517	} or do {	3731	} or do {
2518	warn $@;	3732	warn $@;
2519	warn "error while reloading, exiting.";	3733	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3734	};
		3735
		3736	warn "reloaded";
		3737	--$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	};
2521	};	3757	};
2522		3758	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3759
2528	register_command "reload" => sub {	3760	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
2530		3762
2531	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3764	$who->message ("reloading server.");
2533		3765	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3766	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3767	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3768	};
2546	}	3769	}
2547	};	3770	};
2548		3771
2549	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
2550		3773
2551	my $bug_warning = 0;	3774	my $bug_warning = 0;
2552		3775
2553	$TICK_WATCHER = Event->timer (	3776	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3777	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3778
2556	prio => 0,	3779	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3780	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3781
2559	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	$signal->wait;
		3793	}
		3794
		3795	sub tick {
2560	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
2563	return;	3799	return;
2564	}	3800	}
2565		3801
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3803
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3806	Coro::async_pool {
		3807	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3808	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3809	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3810	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3811	}
2592	);	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	}
2593		3831
2594	{	3832	{
2595	BDB::max_poll_time $TICK * 0.1;	3833	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3834
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
2605		3836	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3837	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3838
2621	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
2622	$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);
2623		3846
2624	cf::sync_job {	3847	cf::sync_job {
2625	eval {	3848	eval {
2626	BDB::db_env_open	3849	BDB::db_env_open
2627	$DB_ENV,	3850	$DB_ENV,
2628	$BDB_ENV_DIR,	3851	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3854	0666;
2632		3855
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3857	};
2638		3858
2639	cf::cleanup "db_env_open(db): $@" if $@;	3859	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3860	};
2641	}	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	};
2642	}	3872	}
2643		3873
2644	{	3874	{
		3875	# configure IO::AIO
		3876
2645	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3879	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	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;
2658		3926
2659	END { cf::emergency_save }	3927	END { cf::emergency_save }
2660		3928
2661	1	3929	1
2662		3930

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