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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
53		116
54	our %CFG;	117	our %CFG;
55		118
56	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
58		122
59	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		126
67	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
70	binmode STDOUT;	139	binmode STDOUT;
71	binmode STDERR;	140	binmode STDERR;
72		141
73	# read virtual server time, if available	142	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
78	}	147	}
79		148
80	mkdir cf::localdir;	149	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		151
86	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
		153
		154	sub cf::map::normalise;
87		155
88	#############################################################################	156	#############################################################################
89		157
90	=head2 GLOBAL VARIABLES	158	=head2 GLOBAL VARIABLES
91		159
…		…
98	=item $cf::RUNTIME	166	=item $cf::RUNTIME
99		167
100	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
101	every server tick.	169	every server tick.
102		170
103	=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
104		174
105	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		179
108	=item $cf::NOW	180	=item $cf::NOW
109		181
110	The time of the last (current) server tick.	182	The time of the last (current) server tick.
111		183
112	=item $cf::TICK	184	=item $cf::TICK
113		185
114	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	198	=item %cf::CFG
117		199
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	201	from wherever your confdir points to.
120		202
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		204
123	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
124	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
125	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.
126	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.
127		214
128	=back	215	=back
129		216
130	=cut	217	=cut
131		218
132	BEGIN {	219	BEGIN {
133	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	221	my $msg = join "", @_;
135	utf8::encode $msg;
136		222
137	$msg .= "\n"	223	$msg .= "\n"
138	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
139		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
140	LOG llevError, $msg;	228	LOG llevError, $msg;
141	};	229	};
142	}	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#?
143		246
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		254
151	# 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
152	# within the Safe compartment.	256	# within the Safe compartment.
153	for my $pkg (qw(	257	for my $pkg (qw(
154	cf::global cf::attachable	258	cf::global cf::attachable
155	cf::object cf::object::player	259	cf::object cf::object::player
156	cf::client cf::player	260	cf::client cf::player
157	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
158	cf::map cf::party cf::region	263	cf::party cf::region
159	)) {	264	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	266	}
163		267
164	$Event::DIED = sub {	268	$EV::DIED = sub {
165	warn "error in event callback: @_";	269	warn "error in event callback: @_";
166	};	270	};
		271
		272	#############################################################################
167		273
168	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
169		275
170	=over 4	276	=over 4
171		277
…		…
190	$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;
191	$d	297	$d
192	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
193	}	299	}
194		300
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
198		302
199	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
200		304
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
209		306
210	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
211		308
212	=cut	309	=cut
213		310
214	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
216	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;
217	}	328	}
218		329
219	=item cf::lock_wait $string	330	=item cf::lock_wait $string
220		331
221	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
222		333
223	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
224		335
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
228	returned.	339	returned.
229		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
230	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
231	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
232		346
233	=cut	347	=item $locked = cf::lock_active $string
234		348
235	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
236		354
237	sub lock_wait($) {	355	sub lock_wait($) {
238	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	357	}
246		358
247	sub lock_acquire($) {	359	sub lock_acquire($) {
248	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
249		362
250	# wait, to be sure we are not locked	363	sub lock_active($) {
251	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	365	}
260		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	371	}
266	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	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.
353		541
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		543
358	aio_fsync $fh	544	sub fork_call(&@) {
359	and return;	545	my ($cb, @args) = @_;
360		546
361	close $fh	547	# we seemingly have to make a local copy of the whole thing,
362	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
363		550
364	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
365	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
366		555
		556	wantarray ? @res : $res[-1]
		557	}
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
367	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
368	}	722	}
369		723
370	=back	724	=back
371		725
372	=cut	726	=cut
373		727
374	#############################################################################	728	#############################################################################
375		729
376	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
377		731
378	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
379	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")
380	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
381		735
382	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>
383	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
384	crossfire+).	738	Deliantra).
385		739
386	=over 4	740	=over 4
387		741
388	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
389		743
…		…
433	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
434		788
435	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
437		791
438	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		794
441	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
442		796
443	=over 4	797	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	858	our @CB_MAP = ();
505		859
506	my %attachment;	860	my %attachment;
507		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
508	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
510		870
511	use sort 'stable';	871	use sort 'stable';
512		872
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
547		907
548	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		912
553	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	914	my $pkg = shift @arg;
555		915
556	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
586	}	946	}
587		947
588	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
589	} else {	949	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	951	}
592		952
593	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
594	}	954	}
595		955
…		…
597	if (ref $_[0]) {	957	if (ref $_[0]) {
598	_object_attach @_;	958	_object_attach @_;
599	} else {	959	} else {
600	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
601	}	961	}
		962	_recalc_want;
602	};	963	};
603		964
604	# all those should be optimised	965	# all those should be optimised
605	sub cf::attachable::detach {	966	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
610	reattach ($obj);	971	reattach ($obj);
611	} else {	972	} else {
612	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
613	}	974	}
		975	_recalc_want;
614	};	976	};
615		977
616	sub cf::attachable::attached {	978	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
618		980
…		…
633	";	995	";
634	die if $@;	996	die if $@;
635	}	997	}
636		998
637	our $override;	999	our $override;
638	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?
639		1001
640	sub override {	1002	sub override {
641	$override = 1;	1003	$override = 1;
642	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
643	}	1005	}
644		1006
645	sub do_invoke {	1007	sub do_invoke {
646	my $event = shift;	1008	my $event = shift;
647	my $callbacks = shift;	1009	my $callbacks = shift;
648		1010
649	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
650		1012
651	local $override;	1013	local $override;
652		1014
653	for (@$callbacks) {	1015	for (@$callbacks) {
654	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
663	}	1025	}
664		1026
665	0	1027	0
666	}	1028	}
667		1029
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1031
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1033
672	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
673		1035
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1039
678	=back	1040	=back
679		1041
680	=cut	1042	=cut
681		1043
682	#############################################################################	1044	#############################################################################
683	# 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	}
684		1088
685	sub reattach {	1089	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1091	my ($obj) = @_;
688		1092
		1093	# no longer needed after getting rid of delete_package?
689	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
690		1095
691	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
692		1097
693	@$registry = ();	1098	@$registry = ();
694		1099
…		…
709	cf::attachable->attach (	1114	cf::attachable->attach (
710	prio => -1000000,	1115	prio => -1000000,
711	on_instantiate => sub {	1116	on_instantiate => sub {
712	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
713		1118
714	$data = from_json $data;	1119	$data = decode_json $data;
715		1120
716	for (@$data) {	1121	for (@$data) {
717	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
718		1123
719	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
735	sub object_freezer_save {	1140	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
737		1142
738	sync_job {	1143	sync_job {
739	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
742		1148
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1153	aio_close $fh;
748		1154
749	if (@$objs) {	1155	if (@$objs) {
750	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) {
751	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1161	aio_close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
757	}	1163	}
758	} else {	1164	} else {
759	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
760	}	1166	}
761		1167
762	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
763	} else {	1172	} else {
764	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
765	}	1174	}
766	} else {	1175	} else {
767	aio_unlink $filename;	1176	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
769	}	1178	}
770	}	1179	};
771	}	1180	}
772		1181
773	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
775		1184
…		…
787	or return;	1196	or return;
788		1197
789	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
791	or return;	1200	or return;
		1201
792	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
793	}	1204	}
794		1205
		1206	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
797	return ($data, $av);	1210	($data, $av)
798	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
799		1218
800	#############################################################################	1219	#############################################################################
801	# command handling &c	1220	# command handling &c
802		1221
803	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1236	}
818		1237
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1239
821	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.
822		1245
823	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
824	called.	1247	called.
825		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
826	=cut	1260	=cut
827		1261
828	sub register_extcmd {	1262	sub register_extcmd {
829	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
830		1264
831	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
832	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
833		1275
834	cf::player->attach (	1276	cf::player->attach (
835	on_command => sub {	1277	on_command => sub {
836	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
837		1279
…		…
845	cf::override;	1287	cf::override;
846	},	1288	},
847	on_extcmd => sub {	1289	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
849		1291
850	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1293
852	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
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
858	} else {	1309	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1311	}
861		1312
862	cf::override;	1313	cf::override;
863	},	1314	},
864	);	1315	);
865		1316
		1317	# "readahead" all extensions
866	sub load_extension {	1318	sub cache_extensions {
867	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
868		1320
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
870	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
871	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}	1324	}
894	die $@;
895	}	1325	};
896		1326
897	push @EXTS, $pkg;	1327	$grp
898	}	1328	}
899		1329
900	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
901	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1335	next unless -r $path;
903	eval {	1336
904	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;
905	1	1393	}
906	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
907	}	1399	};
908	}	1400	}
909		1401
910	#############################################################################	1402	#############################################################################
911		1403
		1404	=back
		1405
912	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
913		1407
914	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
915		1409
916	=cut	1410	=cut
917		1411
918	package cf::player;	1412	package cf::player;
919		1413
…		…
921		1415
922	=head3 cf::player	1416	=head3 cf::player
923		1417
924	=over 4	1418	=over 4
925		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
926	=item cf::player::find $login	1434	=item cf::player::find $login
927		1435
928	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
929		1437
930	=cut	1438	=cut
931		1439
932	sub playerdir($) {	1440	sub playerdir($) {
933	cf::localdir	1441	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1443	}
939		1444
940	sub path($) {	1445	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1447
943	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
944	}	1449	}
945		1450
946	sub find_active($) {	1451	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
951		1456
952	sub exists($) {	1457	sub exists($) {
953	my ($login) = @_;	1458	my ($login) = @_;
954		1459
955	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1461	or !aio_stat path $login
957	}	1462	}
958		1463
959	sub find($) {	1464	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1466	my $login = $_[0];
962		1467
963	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
964		1469
965	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
966	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
967	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;
968	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
969	}	1487	}
970	}	1488	}
971	}	1489	}
972		1490
…		…
981	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
982		1500
983	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
985		1503
		1504	cf::get_slot 0.01;
		1505
986	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
987	Coro::cede;	1507	cf::cede_to_tick;
988	}	1508	}
989		1509
990	sub new($) {	1510	sub new($) {
991	my ($login) = @_;	1511	my ($login) = @_;
992		1512
…		…
998	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
999		1519
1000	$self	1520	$self
1001	}	1521	}
1002		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
1003	=item $pl->quit_character	1533	=item $pl->quit_character
1004		1534
1005	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
1006	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1007		1537
1008	=cut	1538	=cut
1009		1539
1010	sub quit_character {	1540	sub quit_character {
1011	my ($pl) = @_;	1541	my ($pl) = @_;
1012		1542
		1543	my $name = $pl->ob->name;
		1544
1013	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1014	$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
1015		1547
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1017	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1018	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1019	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1020		1554
1021	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1025	$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
1026	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;
1027	}	1581	}
1028		1582
1029	=item cf::player::list_logins	1583	=item cf::player::list_logins
1030		1584
1031	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
1032	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1033		1587
1034	=cut	1588	=cut
1035		1589
1036	sub list_logins {	1590	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1592	or return [];
1039		1593
1040	my @logins;	1594	my @logins;
1041		1595
1042	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") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1046		1606
1047	utf8::decode $login;	1607	utf8::decode $login;
1048	push @logins, $login;	1608	push @logins, $login;
1049	}	1609	}
1050		1610
…		…
1058		1618
1059	=cut	1619	=cut
1060		1620
1061	sub maps($) {	1621	sub maps($) {
1062	my ($pl) = @_;	1622	my ($pl) = @_;
		1623
		1624	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1625
1064	my $files = aio_readdir playerdir $pl	1626	my $files = aio_readdir playerdir $pl
1065	or return;	1627	or return;
1066		1628
1067	my @paths;	1629	my @paths;
…		…
1069	for (@$files) {	1631	for (@$files) {
1070	utf8::decode $_;	1632	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1633	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1634	next unless /^$PATH_SEP/o;
1073		1635
1074	s/\.map$//;	1636	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1637	}
1077		1638
1078	\@paths	1639	\@paths
1079	}	1640	}
1080		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1082		1647
1083	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1084		1649
1085	=cut	1650	=cut
1086		1651
1087	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1089		1654
1090	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1656	}
1094		1657
1095	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		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	}
1096		1698
1097	=back	1699	=back
1098
1099		1700
1100	=head3 cf::map	1701	=head3 cf::map
1101		1702
1102	=over 4	1703	=over 4
1103		1704
…		…
1107		1708
1108	use Fcntl;	1709	use Fcntl;
1109	use Coro::AIO;	1710	use Coro::AIO;
1110		1711
1111	use overload	1712	use overload
1112	'""' => \&as_string;	1713	'""' => \&as_string,
		1714	fallback => 1;
1113		1715
1114	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1116		1718
1117	sub generate_random_map {	1719	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1119		1723
1120	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1725	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1735	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1736	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1737	)
1134	}	1738	}
1135		1739
		1740	=item cf::map->register ($regex, $prio)
		1741
		1742	Register a handler for the map path matching the given regex at the
		1743	givne priority (higher is better, built-in handlers have priority 0, the
		1744	default).
		1745
		1746	=cut
		1747
1136	sub register {	1748	sub register {
1137	my (undef, $regex) = @_;	1749	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1750	my $pkg = caller;
1139		1751
1140	no strict;	1752	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1753	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1754
1143	$EXT_MAP{$pkg} = qr<$regex>;	1755	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1756	}
1145		1757
1146	# also paths starting with '/'	1758	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1759	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1760
		1761	sub thawer_merge {
		1762	my ($self, $merge) = @_;
		1763
		1764	# we have to keep some variables in memory intact
		1765	local $self->{path};
		1766	local $self->{load_path};
		1767
		1768	$self->SUPER::thawer_merge ($merge);
		1769	}
1148		1770
1149	sub normalise {	1771	sub normalise {
1150	my ($path, $base) = @_;	1772	my ($path, $base) = @_;
		1773
		1774	$path = "$path"; # make sure its a string
		1775
		1776	$path =~ s/\.map$//;
1151		1777
1152	# map plan:	1778	# map plan:
1153	#	1779	#
1154	# /! non-realised random map exit (special hack!)	1780	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1781	# {... are special paths that are not being touched
…		…
1183		1809
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1810	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1811
1186	$path = normalise $path, $base;	1812	$path = normalise $path, $base;
1187		1813
1188	for my $pkg (keys %EXT_MAP) {	1814	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1815	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1816	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1817	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1193	return $self;	1819	return $self;
1194	}	1820	}
1195	}	1821	}
1196		1822
1197	Carp::carp "unable to resolve path '$path'.";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1824	()
1199	}	1825	}
1200		1826
1201	sub init {	1827	sub init {
1202	my ($self) = @_;	1828	my ($self) = @_;
…		…
1217		1843
1218	# the original (read-only) location	1844	# the original (read-only) location
1219	sub load_path {	1845	sub load_path {
1220	my ($self) = @_;	1846	my ($self) = @_;
1221		1847
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1223	}	1849	}
1224		1850
1225	# the temporary/swap location	1851	# the temporary/swap location
1226	sub save_path {	1852	sub save_path {
1227	my ($self) = @_;	1853	my ($self) = @_;
1228		1854
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1231	}	1857	}
1232		1858
1233	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1234	sub uniq_path {	1860	sub uniq_path {
1235	my ($self) = @_;	1861	my ($self) = @_;
1236		1862
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1239	}	1865	}
1240		1866
1241	# and all this just because we cannot iterate over	1867	sub decay_objects {
1242	# all maps in C++...
1243	sub change_all_map_light {
1244	my ($change) = @_;	1868	my ($self) = @_;
1245		1869
1246	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1247	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1248	}	1873	}
1249		1874
1250	sub unlink_save {	1875	sub unlink_save {
1251	my ($self) = @_;	1876	my ($self) = @_;
1252		1877
1253	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1881	}
1257		1882
1258	sub load_header_from($) {	1883	sub load_header_from($) {
1259	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1260		1885
1261	utf8::encode $path;	1886	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1263	or return;	1888	or return;
1264		1889
1265	$self->_load_header ($path)	1890	$self->_load_header ($f)
1266	or return;	1891	or return;
1267		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
		1895
1268	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1269		1897
1270	1	1898	1
1271	}	1899	}
1272		1900
1273	sub load_orig {	1901	sub load_header_orig {
1274	my ($self) = @_;	1902	my ($self) = @_;
1275		1903
1276	$self->load_header_from ($self->load_path)	1904	$self->load_header_from ($self->load_path)
1277	}	1905	}
1278		1906
1279	sub load_temp {	1907	sub load_header_temp {
1280	my ($self) = @_;	1908	my ($self) = @_;
1281		1909
1282	$self->load_header_from ($self->save_path)	1910	$self->load_header_from ($self->save_path)
		1911	}
		1912
		1913	sub prepare_temp {
		1914	my ($self) = @_;
		1915
		1916	$self->last_access ((delete $self->{last_access})
		1917	|| $cf::RUNTIME); #d#
		1918	# safety
		1919	$self->{instantiate_time} = $cf::RUNTIME
		1920	if $self->{instantiate_time} > $cf::RUNTIME;
		1921	}
		1922
		1923	sub prepare_orig {
		1924	my ($self) = @_;
		1925
		1926	$self->{load_original} = 1;
		1927	$self->{instantiate_time} = $cf::RUNTIME;
		1928	$self->last_access ($cf::RUNTIME);
		1929	$self->instantiate;
1283	}	1930	}
1284		1931
1285	sub load_header {	1932	sub load_header {
1286	my ($self) = @_;	1933	my ($self) = @_;
1287		1934
1288	if ($self->load_temp) {	1935	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1936	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1937	} else {
1295	$self->load_orig	1938	$self->load_header_orig
1296	or return;	1939	or return;
1297		1940	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1941	}
		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
1303		1948
1304	1	1949	1
1305	}	1950	}
1306		1951
1307	sub find;	1952	sub find;
1308	sub find {	1953	sub find {
1309	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1310		1955
1311	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1312		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1314		1960
1315	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";
1317	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1318	or return;	1963	or return;
1319		1964
1320	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1321		1966
1322	$map->load_header	1967	$map->load_header
1323	or return;	1968	or return;
1324		1969
1325	if ($map->should_reset) {	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1971	# doing this can freeze the server in a sync job, obviously
		1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1326	$map->reset;	1975	$map->reset;
1327	undef $guard;
1328	$map = find $path	1976	return find $path;
1329	or return;
1330	}	1977	}
1331		1978
1332	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1333	}	1980	}
1334	}	1981	}
		1982
		1983	sub pre_load { }
		1984	sub post_load { }
1335		1985
1336	sub load {	1986	sub load {
1337	my ($self) = @_;	1987	my ($self) = @_;
1338		1988
		1989	local $self->{deny_reset} = 1; # loading can take a long time
		1990
1339	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1341		1995
		1996	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		1998
1344	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1345		2000
1346	$self->alloc;	2001	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	2002
		2003	$self->pre_load;
		2004	cf::cede_to_tick;
		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1348	or return;	2009	or return;
1349		2010
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1351	if delete $self->{load_original};	2012	if delete $self->{load_original};
1352		2013
1353	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2015	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2018	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1358	}	2022	}
1359	}	2023	}
1360		2024
1361	Coro::cede;	2025	$f->resolve_delayed_derefs;
1362		2026
		2027	cf::cede_to_tick;
1363	# now do the right thing for maps	2028	# now do the right thing for maps
1364	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2031	unless $self->difficulty;
1374	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1375	$self->activate;	2039	$self->activate;
1376	}	2040	}
1377		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
		2046	}
		2047
		2048	$self->post_load;
1379	}	2049	}
1380		2050
1381	sub customise_for {	2051	sub customise_for {
1382	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1383		2053
1384	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2055	if $self->per_player;
1386		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1387	$self	2060	$self
1388	}	2061	}
1389		2062
1390	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2064	sub load_neighbours {
1392	my ($map) = @_;	2065	my ($map) = @_;
1393		2066
1394	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1395		2068
1396	for (0 .. 3) {	2069	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1398	or next;	2071	or next;
1399	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1400	or next;	2073	or next;
1401	$neigh->load;	2074	$neigh->load;
1402		2075
		2076	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2079	}
1406		2080
1407	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1409	or next;	2084	or next;
1410	$neigh->load;	2085	$neigh->load;
1411	}	2086	}
1412	}	2087	}
1413		2088
…		…
1418	}	2093	}
1419		2094
1420	sub do_load_sync {	2095	sub do_load_sync {
1421	my ($map) = @_;	2096	my ($map) = @_;
1422		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1423	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1424	}	2102	}
1425		2103
1426	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2105	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2106
1440	sub find_async {	2107	sub find_async {
1441	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1442		2109
1443	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1444		2111
1445	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2114	}
		2115
		2116	$MAP_PREFETCH{$path} |= $load;
		2117
		2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
		2121	while (%MAP_PREFETCH) {
		2122	while (my ($k, $v) = each %MAP_PREFETCH) {
		2123	if (my $map = find $k) {
		2124	$map->load if $v;
		2125	}
		2126
		2127	delete $MAP_PREFETCH{$k};
		2128	}
		2129	}
		2130	undef $MAP_PREFETCHER;
1447	}	2131	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2132	$MAP_PREFETCHER->prio (6);
1451		2133
1452	()	2134	()
1453	}	2135	}
1454		2136
1455	sub save {	2137	sub save {
1456	my ($self) = @_;	2138	my ($self) = @_;
1457		2139
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2141
1460	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1461		2143
1462	return unless $self->dirty;	2144	return unless $self->dirty;
1463		2145
…		…
1469	return if $self->{deny_save};	2151	return if $self->{deny_save};
1470		2152
1471	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1472		2154
1473	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1475	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1476		2161
1477	if ($uniq) {	2162	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1479	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1480	} else {	2165	} else {
…		…
1486	my ($self) = @_;	2171	my ($self) = @_;
1487		2172
1488	# save first because save cedes	2173	# save first because save cedes
1489	$self->save;	2174	$self->save;
1490		2175
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2177
1493	return if $self->players;	2178	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1495	return if $self->{deny_save};	2180	return if $self->{deny_save};
1496		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2186	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2187	}
1500		2188
1501	sub reset_at {	2189	sub reset_at {
1502	my ($self) = @_;	2190	my ($self) = @_;
1503		2191
1504	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1507		2194
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2197
…		…
1515	my ($self) = @_;	2202	my ($self) = @_;
1516		2203
1517	$self->reset_at <= $cf::RUNTIME	2204	$self->reset_at <= $cf::RUNTIME
1518	}	2205	}
1519		2206
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2207	sub reset {
1535	my ($self) = @_;	2208	my ($self) = @_;
1536		2209
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2211
1539	return if $self->players;	2212	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2213
1542	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1543		2225
1544	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1545		2227
1546	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2230	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2231
1551	$self->unlink_save;	2232	$self->unlink_save;
1552	$self->destroy;	2233	$self->destroy;
1553	}	2234	}
1554		2235
1555	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1556		2237
1557	sub nuke {	2238	sub nuke {
1558	my ($self) = @_;	2239	my ($self) = @_;
1559		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
		2244	delete $cf::MAP{$self->path};
		2245
		2246	$self->unlink_save;
		2247
		2248	bless $self, "cf::map";
		2249	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2253
		2254	$cf::MAP{$self->path} = $self;
		2255	}
		2256
1563	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1564	}	2294	}
1565		2295
1566	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1567		2297
1568	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2299	instantiated unique items. May block.
1570		2300
1571	=cut	2301	=cut
1572		2302
1573	sub unique_maps() {	2303	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1575	or return;	2305	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2306	utf8::decode $_;
1581	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1582	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1583		2309	? ()
1584	s/\.map$//;	2310	: normalise $_
1585	push @paths, $_;	2311	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2312	]
1587
1588	\@paths
1589	}	2313	}
1590
1591	package cf;
1592		2314
1593	=back	2315	=back
1594		2316
1595	=head3 cf::object	2317	=head3 cf::object
1596		2318
…		…
1600		2322
1601	=over 4	2323	=over 4
1602		2324
1603	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1604		2326
1605	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1606		2329
1607	=cut	2330	=cut
1608		2331
1609	sub inv_recursive_;	2332	sub inv_recursive_;
1610	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1613		2336
1614	sub inv_recursive {	2337	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1616	}	2339	}
1617		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1618	package cf;	2369	package cf;
1619		2370
1620	=back	2371	=back
1621		2372
1622	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1629	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1630	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1631		2382
1632	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1633		2398
1634	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1635	# with dialog boxes.	2400	# with dialog boxes.
1636	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1637	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1639		2404
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2406
1642	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1644	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1647	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1648	}	2432	}
1649		2433
1650	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1651		2435
1652	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1665		2449
1666	=item $player_object->enter_link	2450	=item $player_object->enter_link
1667		2451
1668	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1669		2453
1670	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1671	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1672		2458
1673	Will never block.	2459	Will never block.
1674		2460
1675	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1676		2462
…		…
1684	=cut	2470	=cut
1685		2471
1686	sub link_map {	2472	sub link_map {
1687	unless ($LINK_MAP) {	2473	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2474	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2476	$LINK_MAP->load;
1691	}	2477	}
1692		2478
1693	$LINK_MAP	2479	$LINK_MAP
1694	}	2480	}
…		…
1699	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1700		2486
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2488
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1705		2491
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2493	}
1708		2494
1709	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1711		2499
1712	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1713		2501
1714	unless ($map) {	2502	unless ($map) {
1715	# restore original map position	2503	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1732		2520
1733	$map->load;	2521	$map->load;
1734	$map->load_diag;	2522	$map->load_neighbours;
1735		2523
1736	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1737	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1739	}	2530	}
1740		2531
1741	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2533
1745	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1749	};	2538	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2539
1755	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1756	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772		2542
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1776		2546
1777	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2552
1780	$self->enter_link;	2553	$self->enter_link;
1781		2554
1782	(async {	2555	(async {
1783	my $map = cf::map::find $path;	2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
		2577	my $map = eval {
		2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1785		2582	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
1790		2586
		2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
		2593	}
		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1792	})->prio (1);	2601	})->prio (1);
1793	}	2602	}
1794		2603
1795	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1796		2605
…		…
1798		2607
1799	sub parse_random_map_params {	2608	sub parse_random_map_params {
1800	my ($spec) = @_;	2609	my ($spec) = @_;
1801		2610
1802	my $rmp = { # defaults	2611	my $rmp = { # defaults
1803	xsize => 10,	2612	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2613	ysize => (cf::rndm 15, 40),
		2614	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2615	#layout => string,
1805	};	2616	};
1806		2617
1807	for (split /\n/, $spec) {	2618	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2619	my ($k, $v) = split /\s+/, $_, 2;
1809		2620
…		…
1821	# that depends on the exit object	2632	# that depends on the exit object
1822		2633
1823	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
1824		2635
1825	if ($exit->map) {	2636	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2637	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1830	}	2643	}
1831		2644
1832	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1833		2646
1834	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1835	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
		2649	my $meta = "$RANDOMDIR/$md5.meta";
1836		2650
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
		2653	undef $fh;
		2654	aio_rename "$meta~", $meta;
1839		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1840	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1842	}	2662	}
1843	}	2663	}
1844		2664
1845	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
…		…
1848	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1849		2669
1850	$self->enter_link;	2670	$self->enter_link;
1851		2671
1852	(async {	2672	(async {
1853	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1854	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
1855	prepare_random_map $exit	2682	prepare_random_map $exit
1856	if $exit->slaying eq "/!";	2683	if $exit->slaying eq "/!";
		2684	}
1857		2685
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
1860		2689
		2690	$self->goto ($map, $x, $y);
		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
1861	1;	2696	1
1862	}) {	2697	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1864	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2702
1868	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2704	$self->leave_link;
1870	}	2705	}
1871	})->prio (1);	2706	})->prio (1);
…		…
1884		2719
1885	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1887		2722
1888	utf8::encode $text;	2723	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2725	}
1891		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
		2798	"c/uptime" => {
		2799	id => "infobox",
		2800	title => "Uptime",
		2801	reply => undef,
		2802	tooltip => "How long the server has been running since last restart",
		2803	},
		2804	"c/mapinfo" => {
		2805	id => "infobox",
		2806	title => "Map Info",
		2807	reply => undef,
		2808	tooltip => "Information related to the maps",
		2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
		2824	);
		2825
		2826	sub cf::client::send_msg {
		2827	my ($self, $channel, $msg, $color, @extra) = @_;
		2828
		2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
		2831
		2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2833
		2834	# check predefined channels, for the benefit of C
		2835	if ($CHANNEL{$channel}) {
		2836	$channel = $CHANNEL{$channel};
		2837
		2838	$self->ext_msg (channel_info => $channel);
		2839	$channel = $channel->{id};
		2840
		2841	} elsif (ref $channel) {
		2842	# send meta info to client, if not yet sent
		2843	unless (exists $self->{channel}{$channel->{id}}) {
		2844	$self->{channel}{$channel->{id}} = $channel;
		2845	$self->ext_msg (channel_info => $channel);
		2846	}
		2847
		2848	$channel = $channel->{id};
		2849	}
		2850
		2851	return unless @extra || length $msg;
		2852
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	}
		2874
		2875	=item $client->ext_msg ($type, @msg)
		2876
		2877	Sends an ext event to the client.
		2878
		2879	=cut
		2880
		2881	sub cf::client::ext_msg($$@) {
		2882	my ($self, $type, @msg) = @_;
		2883
		2884	if ($self->extcmd == 2) {
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2886	} elsif ($self->extcmd == 1) { # TODO: remove
		2887	push @msg, msgtype => "event_$type";
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
		2891
		2892	=item $client->ext_reply ($msgid, @msg)
		2893
		2894	Sends an ext reply to the client.
		2895
		2896	=cut
		2897
		2898	sub cf::client::ext_reply($$@) {
		2899	my ($self, $id, @msg) = @_;
		2900
		2901	if ($self->extcmd == 2) {
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2903	} elsif ($self->extcmd == 1) {
		2904	#TODO: version 1, remove
		2905	unshift @msg, msgtype => "reply", msgid => $id;
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2907	}
		2908	}
1892		2909
1893	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
1894		2911
1895	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2915
1899	Queries can fail, so check the return code. Or don't, as queries will become	2916	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2917	become reliable at some point in the future.
1901		2918
1902	=cut	2919	=cut
1903		2920
1904	sub cf::client::query {	2921	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2922	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2930	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2932
1916	$self->send_packet ($self->{query_queue}[0][0])	2933	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2934	if @{ $self->{query_queue} } == 1;
		2935
		2936	1
1918	}	2937	}
1919		2938
1920	cf::client->attach (	2939	cf::client->attach (
		2940	on_connect => sub {
		2941	my ($ns) = @_;
		2942
		2943	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2944	},
1921	on_reply => sub {	2945	on_reply => sub {
1922	my ($ns, $msg) = @_;	2946	my ($ns, $msg) = @_;
1923		2947
1924	# this weird shuffling is so that direct followup queries	2948	# this weird shuffling is so that direct followup queries
1925	# get handled first	2949	# get handled first
1926	my $queue = delete $ns->{query_queue}	2950	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2951	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2952
1929	(shift @$queue)->[1]->($msg);	2953	(shift @$queue)->[1]->($msg);
		2954	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2955
1931	push @{ $ns->{query_queue} }, @$queue;	2956	push @{ $ns->{query_queue} }, @$queue;
1932		2957
1933	if (@{ $ns->{query_queue} } == @$queue) {	2958	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2959	if (@$queue) {
…		…
1936	} else {	2961	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2963	}
1939	}	2964	}
1940	},	2965	},
		2966	on_exticmd => sub {
		2967	my ($ns, $buf) = @_;
		2968
		2969	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2970
		2971	if (ref $msg) {
		2972	my ($type, $reply, @payload) =
		2973	"ARRAY" eq ref $msg
		2974	? @$msg
		2975	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2976
		2977	my @reply;
		2978
		2979	if (my $cb = $EXTICMD{$type}) {
		2980	@reply = $cb->($ns, @payload);
		2981	}
		2982
		2983	$ns->ext_reply ($reply, @reply)
		2984	if $reply;
		2985
		2986	} else {
		2987	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2988	}
		2989
		2990	cf::override;
		2991	},
1941	);	2992	);
1942		2993
1943	=item $client->async (\&cb)	2994	=item $client->async (\&cb)
1944		2995
1945	Create a new coroutine, running the specified callback. The coroutine will	2996	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
1988		3039
1989	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
1990		3041
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3042	$safe->permit_only (Opcode::opset qw(
		3043	:base_core :base_mem :base_orig :base_math
		3044	grepstart grepwhile mapstart mapwhile
		3045	sort time
		3046	));
1992		3047
1993	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
1994		3049
1995	=pod	3050	=pod
1996		3051
1997	The following fucntions and emthods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
1998		3053
1999	cf::object contr pay_amount pay_player map	3054	cf::object
		3055	contr pay_amount pay_player map x y force_find force_add destroy
		3056	insert remove name archname title slaying race decrease split
		3057
2000	cf::object::player player	3058	cf::object::player
2001	cf::player peaceful	3059	player
2002	cf::map trigger	3060
		3061	cf::player
		3062	peaceful
		3063
		3064	cf::map
		3065	trigger
2003		3066
2004	=cut	3067	=cut
2005		3068
2006	for (	3069	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3071	insert remove inv nrof name archname title slaying race
		3072	decrease split destroy change_exp)],
2008	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2011	) {	3076	) {
2012	no strict 'refs';	3077	no strict 'refs';
…		…
2083	=back	3148	=back
2084		3149
2085	=cut	3150	=cut
2086		3151
2087	#############################################################################	3152	#############################################################################
		3153	# the server's init and main functions
2088		3154
2089	=head2 EXTENSION DATABASE SUPPORT	3155	sub load_facedata($) {
		3156	my ($path) = @_;
2090		3157
2091	Crossfire maintains a very simple database for extension use. It can	3158	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3159	# for this (global event?)
2093	excludes objects.	3160	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3161
2095	The parameter C<$family> should best start with the name of the extension	3162	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3163
2098	=over 4	3164	warn "loading facedata from $path\n";
2099		3165
2100	=item $hashref = cf::db_get $family	3166	my $facedata;
		3167	0 < aio_load $path, $facedata
		3168	or die "$path: $!";
2101		3169
2102	Return a hashref for use by the extension C<$family>, which can be	3170	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3171
2106	=item $value = cf::db_get $family => $key	3172	$facedata->{version} == 2
		3173	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3174
2108	Returns a single value from the database	3175	# patch in the exptable
2109		3176	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3177	type => FT_RSRC,
2111		3178	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3179	};
		3180	cf::cede_to_tick;
2161		3181
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3182	{
		3183	my $faces = $facedata->{faceinfo};
2166		3184
2167	sub db_get($;$) {	3185	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		3187
2173	sub db_put($$;$) {	3188	cf::face::set_visibility $idx, $info->{visibility};
2174	if (@_ >= 3) {	3189	cf::face::set_magicmap $idx, $info->{magicmap};
2175	$DB->{$_[0]}{$_[1]} = $_[2];	3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2176	} else {	3191	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		3192
2182	cf::global->attach (	3193	cf::cede_to_tick;
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3194	}
2187	);
2188	}
2189		3195
2190	#############################################################################	3196	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3197	next unless $info->{smooth};
2192		3198
2193	sub cfg_load {	3199	my $idx = cf::face::find $face
		3200	or next;
		3201
		3202	if (my $smooth = cf::face::find $info->{smooth}) {
		3203	cf::face::set_smooth $idx, $smooth;
		3204	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3205	} else {
		3206	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3207	}
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211	}
		3212
		3213	{
		3214	my $anims = $facedata->{animinfo};
		3215
		3216	while (my ($anim, $info) = each %$anims) {
		3217	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	cf::anim::invalidate_all; # d'oh
		3222	}
		3223
		3224	{
		3225	# TODO: for gcfclient pleasure, we should give resources
		3226	# that gcfclient doesn't grok a >10000 face index.
		3227	my $res = $facedata->{resource};
		3228
		3229	while (my ($name, $info) = each %$res) {
		3230	if (defined $info->{type}) {
		3231	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3232	my $data;
		3233
		3234	if ($info->{type} & 1) {
		3235	# prepend meta info
		3236
		3237	my $meta = $enc->encode ({
		3238	name => $name,
		3239	%{ $info->{meta} || {} },
		3240	});
		3241
		3242	$data = pack "(w/a*)*", $meta, $info->{data};
		3243	} else {
		3244	$data = $info->{data};
		3245	}
		3246
		3247	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3248	cf::face::set_type $idx, $info->{type};
		3249	} else {
		3250	$RESOURCE{$name} = $info;
		3251	}
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255	}
		3256
		3257	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3258
		3259	1
		3260	}
		3261
		3262	cf::global->attach (on_resource_update => sub {
		3263	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3264	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3265
		3266	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3267	my $sound = $soundconf->{compat}[$_]
		3268	or next;
		3269
		3270	my $face = cf::face::find "sound/$sound->[1]";
		3271	cf::sound::set $sound->[0] => $face;
		3272	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3273	}
		3274
		3275	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3276	my $face = cf::face::find "sound/$v";
		3277	cf::sound::set $k => $face;
		3278	}
		3279	}
		3280	});
		3281
		3282	register_exticmd fx_want => sub {
		3283	my ($ns, $want) = @_;
		3284
		3285	while (my ($k, $v) = each %$want) {
		3286	$ns->fx_want ($k, $v);
		3287	}
		3288	};
		3289
		3290	sub load_resource_file($) {
		3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
		3300	sub reload_regions {
		3301	# HACK to clear player env face cache, we need some signal framework
		3302	# for this (global event?)
		3303	%ext::player_env::MUSIC_FACE_CACHE = ();
		3304
		3305	load_resource_file "$MAPDIR/regions"
		3306	or die "unable to load regions file\n";
		3307
		3308	for (cf::region::list) {
		3309	$_->{match} = qr/$_->{match}/
		3310	if exists $_->{match};
		3311	}
		3312	}
		3313
		3314	sub reload_facedata {
		3315	load_facedata "$DATADIR/facedata"
		3316	or die "unable to load facedata\n";
		3317	}
		3318
		3319	sub reload_archetypes {
		3320	load_resource_file "$DATADIR/archetypes"
		3321	or die "unable to load archetypes\n";
		3322	}
		3323
		3324	sub reload_treasures {
		3325	load_resource_file "$DATADIR/treasures"
		3326	or die "unable to load treasurelists\n";
		3327	}
		3328
		3329	sub reload_resources {
		3330	warn "reloading resource files...\n";
		3331
		3332	reload_facedata;
		3333	reload_archetypes;
		3334	reload_regions;
		3335	reload_treasures;
		3336
		3337	warn "finished reloading resource files\n";
		3338	}
		3339
		3340	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3342	or return;
2196		3343
2197	local $/;	3344	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2199		3346
2200	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2201		3348
2202	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2203	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2209	};	3356	};
2210	warn $@ if $@;	3357	warn $@ if $@;
2211	}	3358	}
2212	}	3359	}
2213		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
2214	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
2215	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2218	async { Event::one_event };	3398	(async {
		3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
		3401	})->prio (Coro::PRIO_MAX);
2219	};	3402	};
2220		3403
2221	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
2222	db_load;	3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
		3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
2223	load_extensions;	3422	load_extensions;
		3423
		3424	utime time, time, $RUNTIMEFILE;
		3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
2224	Event::loop;	3432	EV::loop;
2225	}	3433	}
2226		3434
2227	#############################################################################	3435	#############################################################################
2228	# initialisation and cleanup	3436	# initialisation and cleanup
2229		3437
2230	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2231	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2232	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2234	data => WF_AUTOCANCEL,
2235	signal => $signal,
2236	cb => sub {
2237	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2238	},
2239	);	3444	};
		3445	}
		3446	}
		3447
		3448	sub write_runtime_sync {
		3449	# first touch the runtime file to show we are still running:
		3450	# the fsync below can take a very very long time.
		3451
		3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3453
		3454	my $guard = cf::lock_acquire "write_runtime";
		3455
		3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3457	or return;
		3458
		3459	my $value = $cf::RUNTIME + 90 + 10;
		3460	# 10 is the runtime save interval, for a monotonic clock
		3461	# 60 allows for the watchdog to kill the server.
		3462
		3463	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3464	and return;
		3465
		3466	# always fsync - this file is important
		3467	aio_fsync $fh
		3468	and return;
		3469
		3470	# touch it again to show we are up-to-date
		3471	aio_utime $fh, undef, undef;
		3472
		3473	close $fh
		3474	or return;
		3475
		3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3477	and return;
		3478
		3479	warn "runtime file written.\n";
		3480
2240	}	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
2241	}	3532	}
2242		3533
2243	sub emergency_save() {	3534	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
2245		3536
2246	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
2247		3538
2248	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
2249	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
2250	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
2251	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
2253	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3553	$pl->save;
2257	}	3554	}
2258	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
2259		3556
2260	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
2261	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
2262	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3560	$map->valid or next;
2264	$map->save;	3561	$map->save;
2265	}	3562	}
2266	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
		3564
		3565	warn "emergency_perl_save: begin database checkpoint\n";
		3566	BDB::db_env_txn_checkpoint $DB_ENV;
		3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
2267	};	3572	};
2268		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
2269	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
2270	}	3580	}
2271		3581
		3582	sub post_cleanup {
		3583	my ($make_core) = @_;
		3584
		3585	warn Carp::longmess "post_cleanup backtrace"
		3586	if $make_core;
		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
		3616	}
		3617
2272	sub reload() {	3618	sub do_reload_perl() {
2273	# can/must only be called in main	3619	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3621	warn "can only reload from main coroutine";
2276	return;	3622	return;
2277	}	3623	}
2278		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
2279	warn "reloading...";	3630	warn "reloading...";
2280		3631
2281	warn "freezing server";	3632	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3633
		3634	cf::sync_job {
		3635	cf::write_runtime_sync; # external watchdog should not bark
2283	cf::emergency_save;	3636	cf::emergency_save;
		3637	cf::write_runtime_sync; # external watchdog should not bark
2284		3638
2285	warn "sync database to disk";	3639	warn "syncing database to disk";
2286	cf::db_sync;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3641
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
2291		3643
2292	warn "cancel all watchers";	3644	warn "flushing outstanding aio requests";
2293	for (Event::all_watchers) {	3645	while (IO::AIO::nreqs || BDB::nreqs) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2295	}
2296
2297	warn "cancel all extension coros";
2298	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();
2300
2301	warn "remove commands";
2302	%COMMAND = ();
2303
2304	warn "remove ext commands";
2305	%EXTCMD = ();
2306
2307	warn "unload/nuke all extensions";
2308	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";
2310
2311	if (my $cb = $pkg->can ("unload")) {
2312	eval {
2313	$cb->($pkg);
2314	1
2315	} or warn "$pkg unloaded, but with errors: $@";
2316	}	3647	}
2317		3648
		3649	warn "cancelling all extension coros";
		3650	$_->cancel for values %EXT_CORO;
		3651	%EXT_CORO = ();
		3652
		3653	warn "removing commands";
		3654	%COMMAND = ();
		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
2318	warn "... nuking $pkg";	3662	warn "... unloading $pkg";
2319	Symbol::delete_package $pkg;
2320	}
2321		3663
2322	warn "unload all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325
2326	warn "removing <$k>";
2327	delete $INC{$k};
2328
2329	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;
2331
2332	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
2333	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
2334	}	3673	}
2335		3674
2336	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
2337	}	3690	}
2338		3691
2339	warn "get rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3695
2343	warn "unload cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
		3698	delete $INC{"cf/pod.pm"};
2345		3699
2346	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3701	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
2349		3703
		3704	warn "unload completed, starting to reload now";
		3705
2350	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
2351	require cf;	3707	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3709
2354	warn "load config and database again";	3710	warn "loading config and database again";
2355	cf::cfg_load;	3711	cf::reload_config;
2356	cf::db_load;
2357		3712
2358	warn "load extensions";	3713	warn "loading extensions";
2359	cf::load_extensions;	3714	cf::load_extensions;
2360		3715
		3716	if ($REATTACH_ON_RELOAD) {
2361	warn "reattach attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3718	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3719	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
		3721	warn "reattaching attachments to players";
		3722	reattach $_ for values %PLAYER;
		3723	}
		3724
		3725	warn "running post_init jobs";
		3726	(pop @POST_INIT)->(1) while @POST_INIT;
		3727
		3728	warn "leaving sync_job";
		3729
		3730	1
		3731	} or do {
		3732	warn $@;
		3733	cf::cleanup "error while reloading, exiting.";
		3734	};
		3735
		3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
		3742	};
		3743
		3744	our $RELOAD_WATCHER; # used only during reload
		3745
		3746	sub reload_perl() {
		3747	# doing reload synchronously and two reloads happen back-to-back,
		3748	# coro crashes during coro_state_free->destroy here.
		3749
		3750	$RELOAD_WATCHER ||= cf::async {
		3751	Coro::AIO::aio_wait cache_extensions;
		3752
		3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3754	do_reload_perl;
		3755	undef $RELOAD_WATCHER;
		3756	};
2365	};	3757	};
2366		3758	}
2367	if ($@) {
2368	warn $@;
2369	warn "error while reloading, exiting.";
2370	exit 1;
2371	}
2372
2373	warn "reloaded";
2374	};
2375		3759
2376	register_command "reload" => sub {	3760	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
2378		3762
2379	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3764	$who->message ("reloading server.");
		3765	async {
		3766	$Coro::current->{desc} = "perl_reload";
		3767	reload_perl;
		3768	};
2383	}	3769	}
2384	};	3770	};
2385		3771
2386	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
2387		3773
2388	$TICK_WATCHER = Event->timer (	3774	my $bug_warning = 0;
2389	reentrant => 0,
2390	prio => 0,
2391	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,
2393	cb => sub {
2394	$NOW = Event::time;
2395		3775
		3776	our @WAIT_FOR_TICK;
		3777	our @WAIT_FOR_TICK_BEGIN;
		3778
		3779	sub wait_for_tick {
		3780	return if tick_inhibit || $Coro::current == $Coro::main;
		3781
		3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub wait_for_tick_begin {
		3788	return if tick_inhibit || $Coro::current == $Coro::main;
		3789
		3790	my $signal = new Coro::Signal;
		3791	push @WAIT_FOR_TICK_BEGIN, $signal;
		3792	$signal->wait;
		3793	}
		3794
		3795	sub tick {
		3796	if ($Coro::current != $Coro::main) {
		3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3798	unless ++$bug_warning > 10;
		3799	return;
		3800	}
		3801
2396	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
2397	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;
2399		3803
2400	$WAIT_FOR_TICK->broadcast;	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2402		3806	Coro::async_pool {
2403	# if we are delayed by four ticks or more, skip them all	3807	$Coro::current->{desc} = "runtime saver";
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405
2406	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;
2408	},
2409	);
2410
2411	IO::AIO::max_poll_time $TICK * 0.2;
2412
2413	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,
2423	after => 0,
2424	interval => 10,
2425	cb => sub {
2426	(Coro::unblock_sub {
2427	write_runtime	3808	write_runtime_sync
2428	or warn "ERROR: unable to write runtime file: $!";	3809	or warn "ERROR: unable to write runtime file: $!";
2429	})->();	3810	};
2430	},	3811	}
2431	);	3812
		3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3814	$sig->send;
		3815	}
		3816	while (my $sig = shift @WAIT_FOR_TICK) {
		3817	$sig->send;
		3818	}
		3819
		3820	$LOAD = ($NOW - $TICK_START) / $TICK;
		3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3822
		3823	if (0) {
		3824	if ($NEXT_TICK) {
		3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
		3828	}
		3829	}
		3830	}
		3831
		3832	{
		3833	# configure BDB
		3834
		3835	BDB::min_parallel 8;
		3836	BDB::max_poll_reqs $TICK * 0.1;
		3837	$AnyEvent::BDB::WATCHER->priority (1);
		3838
		3839	unless ($DB_ENV) {
		3840	$DB_ENV = BDB::db_env_create;
		3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3846
		3847	cf::sync_job {
		3848	eval {
		3849	BDB::db_env_open
		3850	$DB_ENV,
		3851	$BDBDIR,
		3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3854	0666;
		3855
		3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3857	};
		3858
		3859	cf::cleanup "db_env_open(db): $@" if $@;
		3860	};
		3861	}
		3862
		3863	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3864	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3865	};
		3866	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3867	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3868	};
		3869	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3870	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3871	};
		3872	}
		3873
		3874	{
		3875	# configure IO::AIO
		3876
		3877	IO::AIO::min_parallel 8;
		3878	IO::AIO::max_poll_time $TICK * 0.1;
		3879	undef $AnyEvent::AIO::WATCHER;
		3880	}
		3881
		3882	my $_log_backtrace;
		3883
		3884	sub _log_backtrace {
		3885	my ($msg, @addr) = @_;
		3886
		3887	$msg =~ s/\n//;
		3888
		3889	# limit the # of concurrent backtraces
		3890	if ($_log_backtrace < 2) {
		3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
		3893	async {
		3894	$Coro::current->{desc} = "abt $msg";
		3895
		3896	my @bt = fork_call {
		3897	@addr = map { sprintf "%x", $_ } @addr;
		3898	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3899	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3900	or die "addr2line: $!";
		3901
		3902	my @funcs;
		3903	my @res = <$fh>;
		3904	chomp for @res;
		3905	while (@res) {
		3906	my ($func, $line) = splice @res, 0, 2, ();
		3907	push @funcs, "[$func] $line";
		3908	}
		3909
		3910	@funcs
		3911	};
		3912
		3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3915	LOG llevInfo, "[ABT] $_\n" for @bt;
		3916	--$_log_backtrace;
		3917	};
		3918	} else {
		3919	LOG llevInfo, "[ABT] $msg\n";
		3920	LOG llevInfo, "[ABT] [suppressed]\n";
		3921	}
		3922	}
		3923
		3924	# load additional modules
		3925	use cf::pod;
2432		3926
2433	END { cf::emergency_save }	3927	END { cf::emergency_save }
2434		3928
2435	1	3929	1
2436		3930

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