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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		78
40	our %COMMAND = ();	79	our %COMMAND = ();
41	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
42		81
43	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
47		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	89	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		90
51	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	92	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	109	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	115	our $DB_ENV;
61		116
62	our %CFG;	117	our %CFG;
63		118
64	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
66		122
67	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		126
76	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
79	binmode STDOUT;	139	binmode STDOUT;
80	binmode STDERR;	140	binmode STDERR;
81		141
82	# read virtual server time, if available	142	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
87	}	147	}
88		148
89	mkdir cf::localdir;	149	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		151
96	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
97		153
98	sub cf::map::normalise;	154	sub cf::map::normalise;
99		155
…		…
110	=item $cf::RUNTIME	166	=item $cf::RUNTIME
111		167
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	169	every server tick.
114		170
115	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		174
117	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
119		179
120	=item $cf::NOW	180	=item $cf::NOW
121		181
122	The time of the last (current) server tick.	182	The time of the last (current) server tick.
123		183
124	=item $cf::TICK	184	=item $cf::TICK
125		185
126	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
127		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
128	=item %cf::CFG	198	=item %cf::CFG
129		199
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	201	from wherever your confdir points to.
132		202
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		204
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
139		214
140	=back	215	=back
141		216
142	=cut	217	=cut
143		218
144	BEGIN {	219	BEGIN {
145	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	221	my $msg = join "", @_;
147	utf8::encode $msg;
148		222
149	$msg .= "\n"	223	$msg .= "\n"
150	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
151		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
152	LOG llevError, $msg;	228	LOG llevError, $msg;
153	};	229	};
154	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
155		246
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		254
163	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	256	# within the Safe compartment.
165	for my $pkg (qw(	257	for my $pkg (qw(
166	cf::global cf::attachable	258	cf::global cf::attachable
167	cf::object cf::object::player	259	cf::object cf::object::player
168	cf::client cf::player	260	cf::client cf::player
169	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
170	cf::map cf::party cf::region	263	cf::party cf::region
171	)) {	264	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	266	}
175		267
176	$Event::DIED = sub {	268	$EV::DIED = sub {
177	warn "error in event callback: @_";	269	warn "error in event callback: @_";
178	};	270	};
		271
		272	#############################################################################
179		273
180	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
181		275
182	=over 4	276	=over 4
183		277
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	297	$d
204	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
205	}	299	}
206		300
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
210		302
211	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
212		304
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
221		306
222	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
223		308
224	=cut	309	=cut
225		310
226	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
228	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
229	}	328	}
230		329
231	=item cf::lock_wait $string	330	=item cf::lock_wait $string
232		331
233	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
234		333
235	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
236		335
237	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
240	returned.	339	returned.
241		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
242	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
244		346
245	=cut	347	=item $locked = cf::lock_active $string
246		348
247	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
248		354
249	sub lock_wait($) {	355	sub lock_wait($) {
250	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	357	}
258		358
259	sub lock_acquire($) {	359	sub lock_acquire($) {
260	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
261		362
262	# wait, to be sure we are not locked	363	sub lock_active($) {
263	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	365	}
272		366
273	sub freeze_mainloop {	367	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
275		369
276	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	371	}
278	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
279	};	431	}
280	$WRITE_RUNTIME_WATCHER->stop;	432	};
281	$TICK_WATCHER->stop;	433
282	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
283	}	446	}
284		447
285	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
286		449
287	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		455
293	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
294		457
295	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
296		459
297	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
300		464
301	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
304	fast or be very important.	468	fast or be very important.
…		…
307		471
308	sub sync_job(&) {	472	sub sync_job(&) {
309	my ($job) = @_;	473	my ($job) = @_;
310		474
311	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
312	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
314		480
315	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	482
317	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
318		484
319	my $busy = 1;	485	my $busy = 1;
320	my @res;	486	my @res;
321		487
322	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	490	@res = eval { $job->() };
324	warn $@ if $@;	491	warn $@ if $@;
325	undef $busy;	492	undef $busy;
326	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
327		494
328	while ($busy) {	495	while ($busy) {
329	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
330	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
331		506
332	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
333	} else {	508	} else {
334	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
335		510
…		…
355	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
356		531
357	$coro	532	$coro
358	}	533	}
359		534
360	sub write_runtime {	535	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		536
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
364	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
365		541
366	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		543
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
371	and return;	545	my ($cb, @args) = @_;
372		546
373	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
375	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
376		550
377	close $fh	551	my @res = Coro::Util::fork_eval {
378	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
379		555
380	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
381	and return;	557	}
382		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
383	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	722	}
385		723
386	=back	724	=back
387		725
388	=cut	726	=cut
389		727
390	#############################################################################	728	#############################################################################
391		729
392	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
393		731
394	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
397		735
398	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	738	Deliantra).
401		739
402	=over 4	740	=over 4
403		741
404	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
405		743
…		…
449	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
450		788
451	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
453		791
454	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
456		794
457	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
458		796
459	=over 4	797	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
569		907
570	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		912
575	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	914	my $pkg = shift @arg;
577		915
578	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
608	}	946	}
609		947
610	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
611	} else {	949	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	951	}
614		952
615	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
616	}	954	}
617		955
…		…
619	if (ref $_[0]) {	957	if (ref $_[0]) {
620	_object_attach @_;	958	_object_attach @_;
621	} else {	959	} else {
622	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
623	}	961	}
		962	_recalc_want;
624	};	963	};
625		964
626	# all those should be optimised	965	# all those should be optimised
627	sub cf::attachable::detach {	966	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
632	reattach ($obj);	971	reattach ($obj);
633	} else {	972	} else {
634	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
635	}	974	}
		975	_recalc_want;
636	};	976	};
637		977
638	sub cf::attachable::attached {	978	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
640		980
…		…
655	";	995	";
656	die if $@;	996	die if $@;
657	}	997	}
658		998
659	our $override;	999	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1001
662	sub override {	1002	sub override {
663	$override = 1;	1003	$override = 1;
664	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
665	}	1005	}
666		1006
667	sub do_invoke {	1007	sub do_invoke {
668	my $event = shift;	1008	my $event = shift;
669	my $callbacks = shift;	1009	my $callbacks = shift;
670		1010
671	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
672		1012
673	local $override;	1013	local $override;
674		1014
675	for (@$callbacks) {	1015	for (@$callbacks) {
676	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
685	}	1025	}
686		1026
687	0	1027	0
688	}	1028	}
689		1029
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1031
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1033
694	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
695		1035
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1039
700	=back	1040	=back
701		1041
702	=cut	1042	=cut
703		1043
704	#############################################################################	1044	#############################################################################
705	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
706		1088
707	sub reattach {	1089	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1091	my ($obj) = @_;
710		1092
		1093	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1095
713	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
714		1097
715	@$registry = ();	1098	@$registry = ();
716		1099
…		…
731	cf::attachable->attach (	1114	cf::attachable->attach (
732	prio => -1000000,	1115	prio => -1000000,
733	on_instantiate => sub {	1116	on_instantiate => sub {
734	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
735		1118
736	$data = from_json $data;	1119	$data = decode_json $data;
737		1120
738	for (@$data) {	1121	for (@$data) {
739	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
740		1123
741	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1140	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
759		1142
760	sync_job {	1143	sync_job {
761	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
764		1148
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1153	aio_close $fh;
770		1154
771	if (@$objs) {	1155	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1161	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
779	}	1163	}
780	} else {	1164	} else {
781	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
782	}	1166	}
783		1167
784	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1172	} else {
786	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
787	}	1174	}
788	} else {	1175	} else {
789	aio_unlink $filename;	1176	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
791	}	1178	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1179	};
799	}	1180	}
800		1181
801	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
803		1184
…		…
808		1189
809	sub object_thawer_load {	1190	sub object_thawer_load {
810	my ($filename) = @_;	1191	my ($filename) = @_;
811		1192
812	my ($data, $av);	1193	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1194
817	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
818	or return;	1196	or return;
819		1197
820	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
822	or return;	1200	or return;
		1201
823	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
824	}	1204	}
825		1205
		1206	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
828	return ($data, $av);	1210	($data, $av)
829	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
830		1218
831	#############################################################################	1219	#############################################################################
832	# command handling &c	1220	# command handling &c
833		1221
834	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1236	}
849		1237
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1239
852	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
853		1245
854	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
855	called.	1247	called.
856		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
857	=cut	1260	=cut
858		1261
859	sub register_extcmd {	1262	sub register_extcmd {
860	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
861		1264
862	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
863	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
864		1275
865	cf::player->attach (	1276	cf::player->attach (
866	on_command => sub {	1277	on_command => sub {
867	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
868		1279
…		…
876	cf::override;	1287	cf::override;
877	},	1288	},
878	on_extcmd => sub {	1289	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
880		1291
881	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1293
883	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
889	} else {	1309	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1311	}
892		1312
893	cf::override;	1313	cf::override;
894	},	1314	},
895	);	1315	);
896		1316
		1317	# "readahead" all extensions
897	sub load_extension {	1318	sub cache_extensions {
898	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
899		1320
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
901	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1324	}
925	die $@;
926	}	1325	};
927		1326
928	push @EXTS, $pkg;	1327	$grp
929	}	1328	}
930		1329
931	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
932	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1335	next unless -r $path;
934	eval {	1336
935	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
936	1	1393	}
937	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
938	}	1399	};
939	}	1400	}
940		1401
941	#############################################################################	1402	#############################################################################
942		1403
		1404	=back
		1405
943	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
944		1407
945	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
946		1409
947	=cut	1410	=cut
948		1411
949	package cf::player;	1412	package cf::player;
950		1413
…		…
952		1415
953	=head3 cf::player	1416	=head3 cf::player
954		1417
955	=over 4	1418	=over 4
956		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
957	=item cf::player::find $login	1434	=item cf::player::find $login
958		1435
959	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
960		1437
961	=cut	1438	=cut
962		1439
963	sub playerdir($) {	1440	sub playerdir($) {
964	cf::localdir	1441	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1443	}
970		1444
971	sub path($) {	1445	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1447
974	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
975	}	1449	}
976		1450
977	sub find_active($) {	1451	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
982		1456
983	sub exists($) {	1457	sub exists($) {
984	my ($login) = @_;	1458	my ($login) = @_;
985		1459
986	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
988	}	1462	}
989		1463
990	sub find($) {	1464	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1466	my $login = $_[0];
993		1467
994	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
995		1469
996	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
998	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1000	}	1487	}
1001	}	1488	}
1002	}	1489	}
1003		1490
…		…
1012	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1013		1500
1014	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1016		1503
		1504	cf::get_slot 0.01;
		1505
1017	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1018	Coro::cede;	1507	cf::cede_to_tick;
1019	}	1508	}
1020		1509
1021	sub new($) {	1510	sub new($) {
1022	my ($login) = @_;	1511	my ($login) = @_;
1023		1512
…		…
1029	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1030		1519
1031	$self	1520	$self
1032	}	1521	}
1033		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1034	=item $pl->quit_character	1533	=item $pl->quit_character
1035		1534
1036	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1038		1537
1039	=cut	1538	=cut
1040		1539
1041	sub quit_character {	1540	sub quit_character {
1042	my ($pl) = @_;	1541	my ($pl) = @_;
1043		1542
		1543	my $name = $pl->ob->name;
		1544
1044	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1547
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1051		1554
1052	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1057	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1058	}	1581	}
1059		1582
1060	=item cf::player::list_logins	1583	=item cf::player::list_logins
1061		1584
1062	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1064		1587
1065	=cut	1588	=cut
1066		1589
1067	sub list_logins {	1590	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1592	or return [];
1070		1593
1071	my @logins;	1594	my @logins;
1072		1595
1073	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1077		1606
1078	utf8::decode $login;	1607	utf8::decode $login;
1079	push @logins, $login;	1608	push @logins, $login;
1080	}	1609	}
1081		1610
…		…
1108	}	1637	}
1109		1638
1110	\@paths	1639	\@paths
1111	}	1640	}
1112		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1114		1647
1115	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1116		1649
1117	=cut	1650	=cut
1118		1651
1119	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1121		1654
1122	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1656	}
1126		1657
1127	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1128		1698
1129	=back	1699	=back
1130
1131		1700
1132	=head3 cf::map	1701	=head3 cf::map
1133		1702
1134	=over 4	1703	=over 4
1135		1704
…		…
1147	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1149		1718
1150	sub generate_random_map {	1719	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1152	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1725	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1191		1763
1192	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1193	local $self->{path};	1765	local $self->{path};
1194	local $self->{load_path};	1766	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1767
1198	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1199	}	1769	}
1200		1770
1201	sub normalise {	1771	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1249	return $self;	1819	return $self;
1250	}	1820	}
1251	}	1821	}
1252		1822
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1824	()
1255	}	1825	}
1256		1826
1257	sub init {	1827	sub init {
1258	my ($self) = @_;	1828	my ($self) = @_;
…		…
1273		1843
1274	# the original (read-only) location	1844	# the original (read-only) location
1275	sub load_path {	1845	sub load_path {
1276	my ($self) = @_;	1846	my ($self) = @_;
1277		1847
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1279	}	1849	}
1280		1850
1281	# the temporary/swap location	1851	# the temporary/swap location
1282	sub save_path {	1852	sub save_path {
1283	my ($self) = @_;	1853	my ($self) = @_;
1284		1854
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1287	}	1857	}
1288		1858
1289	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1290	sub uniq_path {	1860	sub uniq_path {
1291	my ($self) = @_;	1861	my ($self) = @_;
1292		1862
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1295	}	1865	}
1296		1866
1297	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1298	# all maps in C++...	1868	# all maps in C++...
1299	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1301		1871
1302	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1304	}	1874	}
1305		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1306	sub unlink_save {	1884	sub unlink_save {
1307	my ($self) = @_;	1885	my ($self) = @_;
1308		1886
1309	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1890	}
1318		1891
1319	sub load_header_from($) {	1892	sub load_header_from($) {
1320	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1321		1894
1322	utf8::encode $path;	1895	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1328		1904
1329	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1330		1906
1331	1	1907	1
1332	}	1908	}
…		…
1371	$self->load_header_orig	1947	$self->load_header_orig
1372	or return;	1948	or return;
1373	$self->prepare_orig;	1949	$self->prepare_orig;
1374	}	1950	}
1375		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
		1955	$self->default_region (cf::region::find_by_path $self->{path})
		1956	unless $self->default_region;
		1957
1376	1	1958	1
1377	}	1959	}
1378		1960
1379	sub find;	1961	sub find;
1380	sub find {	1962	sub find {
1381	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1382		1964
1383	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1384		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1386		1969
1387	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1390	or return;	1972	or return;
1391		1973
1392	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1393		1975
1394	$map->load_header	1976	$map->load_header
1395	or return;	1977	or return;
1396		1978
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1400	$map->reset;	1984	$map->reset;
1401	undef $guard;
1402	return find $path;	1985	return find $path;
1403	}	1986	}
1404		1987
1405	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1406	}	1989	}
…		…
1413	my ($self) = @_;	1996	my ($self) = @_;
1414		1997
1415	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1416		1999
1417	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1419		2004
		2005	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2007
1422	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1423		2009
1424	$self->alloc;	2010	$self->alloc;
1425		2011
1426	$self->pre_load;	2012	$self->pre_load;
		2013	cf::cede_to_tick;
1427		2014
1428	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1429	or return;	2018	or return;
1430		2019
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1432	if delete $self->{load_original};	2021	if delete $self->{load_original};
1433		2022
1434	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2024	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2027	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1439	}	2031	}
1440	}	2032	}
1441		2033
1442	Coro::cede;	2034	$f->resolve_delayed_derefs;
1443		2035
		2036	cf::cede_to_tick;
1444	# now do the right thing for maps	2037	# now do the right thing for maps
1445	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2040	unless $self->difficulty;
1455	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1456	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2057	}
1458		2058
1459	$self->post_load;	2059	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2060	}
1463		2061
1464	sub customise_for {	2062	sub customise_for {
1465	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1466		2064
1467	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2066	if $self->per_player;
1469		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1470	$self	2071	$self
1471	}	2072	}
1472		2073
1473	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2075	sub load_neighbours {
1475	my ($map) = @_;	2076	my ($map) = @_;
1476		2077
1477	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1478		2079
1479	for (0 .. 3) {	2080	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1481	or next;	2082	or next;
1482	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1483	or next;	2084	or next;
1484	$neigh->load;	2085	$neigh->load;
1485		2086
		2087	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2090	}
1489		2091
1490	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1492	or next;	2095	or next;
1493	$neigh->load;	2096	$neigh->load;
1494	}	2097	}
1495	}	2098	}
1496		2099
…		…
1501	}	2104	}
1502		2105
1503	sub do_load_sync {	2106	sub do_load_sync {
1504	my ($map) = @_;	2107	my ($map) = @_;
1505		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1506	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1507	}	2113	}
1508		2114
1509	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1511		2117
1512	sub find_async {	2118	sub find_async {
1513	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1514		2120
1515	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1516		2122
1517	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2125	}
1520		2126
1521	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1522	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1523	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2134	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2135	$map->load if $v;
		2136	}
1528		2137
1529	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1530	}	2139	}
1531	}	2140	}
1532	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1533	};	2142	};
1534	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2146	}
1538		2147
1539	sub save {	2148	sub save {
1540	my ($self) = @_;	2149	my ($self) = @_;
1541		2150
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2152
1544	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1545		2154
1546	return unless $self->dirty;	2155	return unless $self->dirty;
1547		2156
…		…
1553	return if $self->{deny_save};	2162	return if $self->{deny_save};
1554		2163
1555	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1556		2165
1557	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1559	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1560		2172
1561	if ($uniq) {	2173	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2176	} else {
…		…
1570	my ($self) = @_;	2182	my ($self) = @_;
1571		2183
1572	# save first because save cedes	2184	# save first because save cedes
1573	$self->save;	2185	$self->save;
1574		2186
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2188
1577	return if $self->players;	2189	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2191	return if $self->{deny_save};
1580		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2197	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2198	}
1584		2199
1585	sub reset_at {	2200	sub reset_at {
1586	my ($self) = @_;	2201	my ($self) = @_;
1587		2202
1588	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1591		2205
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2208
…		…
1605	my ($self) = @_;	2219	my ($self) = @_;
1606		2220
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2222
1609	return if $self->players;	2223	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2224
1612	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1613		2226
1614	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1615		2228
1616	# need to save uniques path	2229	# need to save uniques path
1617	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2234	if $uniq;
1622	}	2235	}
1623		2236
1624	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1625		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2241	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2242
1630	$self->unlink_save;	2243	$self->unlink_save;
1631	$self->destroy;	2244	$self->destroy;
1632	}	2245	}
1633		2246
1634	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1635		2248
1636	sub nuke {	2249	sub nuke {
1637	my ($self) = @_;	2250	my ($self) = @_;
1638		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1639	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1640		2256
1641	$self->unlink_save;	2257	$self->unlink_save;
1642		2258
1643	bless $self, "cf::map";	2259	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2264
1649	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1650		2267
1651	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1652	}	2305	}
1653		2306
1654	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1655		2308
1656	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2310	instantiated unique items. May block.
1658		2311
1659	=cut	2312	=cut
1660		2313
1661	sub unique_maps() {	2314	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1663	or return;	2316	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2317	utf8::decode $_;
1669	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2320	? ()
1672	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2323	]
1674
1675	\@paths
1676	}	2324	}
1677
1678	package cf;
1679		2325
1680	=back	2326	=back
1681		2327
1682	=head3 cf::object	2328	=head3 cf::object
1683		2329
…		…
1687		2333
1688	=over 4	2334	=over 4
1689		2335
1690	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1691		2337
1692	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1693		2340
1694	=cut	2341	=cut
1695		2342
1696	sub inv_recursive_;	2343	sub inv_recursive_;
1697	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1700		2347
1701	sub inv_recursive {	2348	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1703	}	2350	}
1704		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1705	package cf;	2380	package cf;
1706		2381
1707	=back	2382	=back
1708		2383
1709	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1718		2393
1719	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1720		2409
1721	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2411	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1726		2415
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2417
1729	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1731	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1734	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1735	}	2443	}
1736		2444
1737	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1738		2446
1739	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1752		2460
1753	=item $player_object->enter_link	2461	=item $player_object->enter_link
1754		2462
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2464
1757	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1759		2469
1760	Will never block.	2470	Will never block.
1761		2471
1762	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1763		2473
…		…
1786	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1787		2497
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2499
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1792		2502
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2504	}
1795		2505
1796	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1798		2510
1799	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1800		2512
1801	unless ($map) {	2513	unless ($map) {
1802	# restore original map position	2514	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1819		2531
1820	$map->load;	2532	$map->load;
1821	$map->load_diag;	2533	$map->load_neighbours;
1822		2534
1823	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2537	$self->activate_recursive;
		2538
		2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1826	}	2541	}
1827		2542
1828	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2544
1832	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1836	};	2549	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2550
1842	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2553
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1863		2557
1864	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2563
1867	$self->enter_link;	2564	$self->enter_link;
1868		2565
1869	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1870	my $map = eval {	2588	my $map = eval {
1871	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1873	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2604	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1878	})->prio (1);	2612	})->prio (1);
1879	}	2613	}
1880		2614
1881	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1882		2616
…		…
1902	}	2636	}
1903		2637
1904	sub prepare_random_map {	2638	sub prepare_random_map {
1905	my ($exit) = @_;	2639	my ($exit) = @_;
1906		2640
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2643	# that depends on the exit object
1912		2644
1913	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2647	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1920	}	2654	}
1921		2655
1922	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1923		2657
1924	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1927		2661
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2664	undef $fh;
1931	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1932		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1935	}	2673	}
1936	}	2674	}
1937		2675
1938	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
1940		2678
1941	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1942		2680
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2681	$self->enter_link;
1953		2682
1954	(async {	2683	(async {
1955	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1956	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
1957	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
1958		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
1959	1;	2707	1
1960	}) {	2708	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2713
1966	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2715	$self->leave_link;
1968	}	2716	}
1969	})->prio (1);	2717	})->prio (1);
…		…
1982		2730
1983	sub cf::client::send_drawinfo {	2731	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2732	my ($self, $text, $flags) = @_;
1985		2733
1986	utf8::encode $text;	2734	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2736	}
1989		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
		2889	=item $client->ext_msg ($type, @msg)
		2890
		2891	Sends an ext event to the client.
		2892
		2893	=cut
		2894
		2895	sub cf::client::ext_msg($$@) {
		2896	my ($self, $type, @msg) = @_;
		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
		2901	push @msg, msgtype => "event_$type";
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
		2922	}
1990		2923
1991	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
1992		2925
1993	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2929
1997	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2931	become reliable at some point in the future.
1999		2932
2000	=cut	2933	=cut
2001		2934
2002	sub cf::client::query {	2935	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2944	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2946
2014	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2016	}	2951	}
2017		2952
2018	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2019	on_reply => sub {	2959	on_reply => sub {
2020	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2021		2961
2022	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2023	# get handled first	2963	# get handled first
…		…
2035	} else {	2975	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2977	}
2038	}	2978	}
2039	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2040	);	3006	);
2041		3007
2042	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2043		3009
2044	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2087		3053
2088	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2089		3055
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2091		3061
2092	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2093		3063
2094	=pod	3064	=pod
2095		3065
2096	The following fucntions and emthods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2097		3067
2098	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2099	cf::object::player player	3072	cf::object::player
2100	cf::player peaceful	3073	player
2101	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2102		3080
2103	=cut	3081	=cut
2104		3082
2105	for (	3083	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2107	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2110	) {	3090	) {
2111	no strict 'refs';	3091	no strict 'refs';
…		…
2182	=back	3162	=back
2183		3163
2184	=cut	3164	=cut
2185		3165
2186	#############################################################################	3166	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3167	# the server's init and main functions
2260		3168
		3169	sub load_facedata($) {
		3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3177
		3178	warn "loading facedata from $path\n";
		3179
		3180	my $facedata;
		3181	0 < aio_load $path, $facedata
		3182	or die "$path: $!";
		3183
		3184	$facedata = Coro::Storable::thaw $facedata;
		3185
		3186	$facedata->{version} == 2
		3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
		3196	{
		3197	my $faces = $facedata->{faceinfo};
		3198
		3199	while (my ($face, $info) = each %$faces) {
		3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
		3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
		3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3206
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	while (my ($face, $info) = each %$faces) {
		3211	next unless $info->{smooth};
		3212
		3213	my $idx = cf::face::find $face
		3214	or next;
		3215
		3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
		3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3219	} else {
		3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	{
		3228	my $anims = $facedata->{animinfo};
		3229
		3230	while (my ($anim, $info) = each %$anims) {
		3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3232	cf::cede_to_tick;
		3233	}
		3234
		3235	cf::anim::invalidate_all; # d'oh
		3236	}
		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
		3273	1
		3274	}
		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
2261	sub load_resources {	3304	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3320	or die "unable to load regions file\n";
2264	}
2265		3321
2266	sub cfg_load {	3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
		3333	sub reload_archetypes {
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_facedata;
		3347	reload_archetypes;
		3348	reload_regions;
		3349	reload_treasures;
		3350
		3351	warn "finished reloading resource files\n";
		3352	}
		3353
		3354	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3356	or return;
2269		3357
2270	local $/;	3358	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2272		3360
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3362
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3370	};
2283	warn $@ if $@;	3371	warn $@ if $@;
2284	}	3372	}
2285	}	3373	}
2286		3374
2287	sub init {	3375	sub pidfile() {
2288	load_resources;	3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
2289	}	3392	}
2290		3393
2291	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2292	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3413	(async {
2296	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2298	};	3417	};
2299		3418
2300	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2301	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2302	load_extensions;	3437	load_extensions;
2303		3438
2304	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2305	Event::loop;	3447	EV::loop;
2306	}	3448	}
2307		3449
2308	#############################################################################	3450	#############################################################################
2309	# initialisation and cleanup	3451	# initialisation and cleanup
2310		3452
2311	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2312	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2321	},
2322	);	3459	};
		3460	}
		3461	}
		3462
		3463	sub write_runtime_sync {
		3464	# first touch the runtime file to show we are still running:
		3465	# the fsync below can take a very very long time.
		3466
		3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3468
		3469	my $guard = cf::lock_acquire "write_runtime";
		3470
		3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = $cf::RUNTIME + 90 + 10;
		3475	# 10 is the runtime save interval, for a monotonic clock
		3476	# 60 allows for the watchdog to kill the server.
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	# touch it again to show we are up-to-date
		3486	aio_utime $fh, undef, undef;
		3487
		3488	close $fh
		3489	or return;
		3490
		3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3492	and return;
		3493
		3494	warn "runtime file written.\n";
		3495
2323	}	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2324	}	3547	}
2325		3548
2326	sub emergency_save() {	3549	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2328		3551
2329	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2330		3553
2331	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2332	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3568	$pl->save;
2340	}	3569	}
2341	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2342		3571
2343	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3575	$map->valid or next;
2347	$map->save;	3576	$map->save;
2348	}	3577	}
2349	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2350		3579
2351	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2354	};	3587	};
2355		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2356	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2357	}	3595	}
2358		3596
		3597	sub post_cleanup {
		3598	my ($make_core) = @_;
		3599
		3600	warn Carp::longmess "post_cleanup backtrace"
		3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
		3631	}
		3632
2359	sub reload() {	3633	sub do_reload_perl() {
2360	# can/must only be called in main	3634	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2363	return;	3637	return;
2364	}	3638	}
2365		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2366	warn "reloading...";	3645	warn "reloading...";
2367		3646
2368	warn "cancelling server ticker";	3647	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3648
		3649	cf::sync_job {
		3650	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3651	cf::emergency_save;
		3652	cf::write_runtime_sync; # external watchdog should not bark
2372		3653
2373	eval {	3654	warn "syncing database to disk";
		3655	BDB::db_env_txn_checkpoint $DB_ENV;
		3656
2374	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2375		3658
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	BDB::flush;
2387	IO::AIO::flush;
2388	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2390	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2391	}
2392
2393	warn "cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();
2396
2397	warn "removing commands";
2398	%COMMAND = ();
2399
2400	warn "removing ext commands";
2401	%EXTCMD = ();
2402
2403	warn "unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";
2406
2407	if (my $cb = $pkg->can ("unload")) {
2408	eval {
2409	$cb->($pkg);
2410	1
2411	} or warn "$pkg unloaded, but with errors: $@";
2412	}	3662	}
2413		3663
2414	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2415	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2416	}	3666	%EXT_CORO = ();
2417		3667
2418	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2419	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2422	warn "... unloading $k";	3677	warn "... unloading $pkg";
2423	delete $INC{$k};
2424		3678
2425	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;
2427
2428	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2429	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2430	}	3688	}
2431		3689
2432	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
2433	}	3705	}
2434		3706
2435	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		3710
2439	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
		3713	delete $INC{"cf/pod.pm"};
2441		3714
2442	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3716	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2445		3718
2446	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2447		3720
2448	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2449	require cf;	3722	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2451		3724
2452	warn "loading config and database again";	3725	warn "loading config and database again";
2453	cf::cfg_load;	3726	cf::reload_config;
2454		3727
2455	warn "loading extensions";	3728	warn "loading extensions";
2456	cf::load_extensions;	3729	cf::load_extensions;
2457		3730
		3731	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3733	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
		3736	warn "reattaching attachments to players";
		3737	reattach $_ for values %PLAYER;
		3738	}
2462		3739
2463	warn "loading reloadable resources";	3740	warn "running post_init jobs";
2464	load_resources;	3741	(pop @POST_INIT)->(1) while @POST_INIT;
2465		3742
2466	warn "restarting server ticker";	3743	warn "leaving sync_job";
2467		3744
2468	$TICK_WATCHER->start;	3745	1
		3746	} or do {
		3747	warn $@;
		3748	cf::cleanup "error while reloading, exiting.";
		3749	};
		3750
		3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
		3757	};
		3758
		3759	our $RELOAD_WATCHER; # used only during reload
		3760
		3761	sub reload_perl() {
		3762	# doing reload synchronously and two reloads happen back-to-back,
		3763	# coro crashes during coro_state_free->destroy here.
		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
		3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3769	do_reload_perl;
		3770	undef $RELOAD_WATCHER;
		3771	};
2469	};	3772	};
2470		3773	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		3774
2482	register_command "reload" => sub {	3775	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2484		3777
2485	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
2487		3780	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3781	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3782	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3783	};
2500	}	3784	}
2501	};	3785	};
2502		3786
2503	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2504		3788
2505	my $bug_warning = 0;	3789	my $bug_warning = 0;
2506		3790
2507	$TICK_WATCHER = Event->timer (	3791	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3792	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3793
2510	prio => 0,	3794	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	3796
2513	cb => sub {	3797	my $signal = new Coro::Signal;
		3798	push @WAIT_FOR_TICK, $signal;
		3799	$signal->wait;
		3800	}
		3801
		3802	sub wait_for_tick_begin {
		3803	return if tick_inhibit || $Coro::current == $Coro::main;
		3804
		3805	my $signal = new Coro::Signal;
		3806	push @WAIT_FOR_TICK_BEGIN, $signal;
		3807	$signal->wait;
		3808	}
		3809
		3810	sub tick {
2514	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
2517	return;	3814	return;
2518	}	3815	}
2519		3816
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		3818
2526	$WAIT_FOR_TICK->broadcast;	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3821	Coro::async_pool {
		3822	$Coro::current->{desc} = "runtime saver";
		3823	write_runtime_sync
		3824	or warn "ERROR: unable to write runtime file: $!";
		3825	};
		3826	}
2528		3827
2529	Event::sweep;	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2530	Coro::cede_notself;	3829	$sig->send;
		3830	}
		3831	while (my $sig = shift @WAIT_FOR_TICK) {
		3832	$sig->send;
		3833	}
		3834
		3835	$LOAD = ($NOW - $TICK_START) / $TICK;
		3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3837
		3838	if (0) {
		3839	if ($NEXT_TICK) {
		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
2531		3843	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	3844	}
2541	);	3845	}
2542		3846
2543	{	3847	{
2544	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	3849
2546	reentrant => 0,
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
2554		3851	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
2556	my $status;
2557	my $current = $Coro::current;
2558	(
2559	sub {
2560	$status = $!;
2561	$current->ready; undef $current;
2562	},
2563	sub {
2564	Coro::schedule while defined $current;
2565	$! = $status;
2566	},
2567	)
2568	};
2569		3853
2570	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2572		3861
2573	cf::sync_job {	3862	cf::sync_job {
2574	eval {	3863	eval {
2575	BDB::db_env_open	3864	BDB::db_env_open
2576	$DB_ENV,	3865	$DB_ENV,
2577	$BDB_ENV_DIR,	3866	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	3869	0666;
2581		3870
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	3872	};
2587		3873
2588	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	3875	};
2590	}	3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
2591	}	3887	}
2592		3888
2593	{	3889	{
		3890	# configure IO::AIO
		3891
2594	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	3895	}
2607		3896
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	3897	my $_log_backtrace;
2609	reentrant => 0,	3898
2610	data => WF_AUTOCANCEL,	3899	sub _log_backtrace {
2611	after => 1,	3900	my ($msg, @addr) = @_;
2612	interval => 10,	3901
2613	prio => 6, # keep it lowest so it acts like a watchdog	3902	$msg =~ s/\n//;
2614	cb => Coro::unblock_sub {	3903
2615	write_runtime	3904	# limit the # of concurrent backtraces
2616	or warn "ERROR: unable to write runtime file: $!";	3905	if ($_log_backtrace < 2) {
		3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
		3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
		3911	my @bt = fork_call {
		3912	@addr = map { sprintf "%x", $_ } @addr;
		3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3915	or die "addr2line: $!";
		3916
		3917	my @funcs;
		3918	my @res = <$fh>;
		3919	chomp for @res;
		3920	while (@res) {
		3921	my ($func, $line) = splice @res, 0, 2, ();
		3922	push @funcs, "[$func] $line";
		3923	}
		3924
		3925	@funcs
		3926	};
		3927
		3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3930	LOG llevInfo, "[ABT] $_\n" for @bt;
		3931	--$_log_backtrace;
		3932	};
		3933	} else {
		3934	LOG llevInfo, "[ABT] $msg\n";
		3935	LOG llevInfo, "[ABT] [suppressed]\n";
2617	},	3936	}
2618	);	3937	}
		3938
		3939	# load additional modules
		3940	use cf::pod;
2619		3941
2620	END { cf::emergency_save }	3942	END { cf::emergency_save }
2621		3943
2622	1	3944	1
2623		3945

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