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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.194 by root, Wed Jan 24 22:42:49 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 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 qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
53		118
54	our %CFG;	119	our %CFG;
55		120
56	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
58		124
59	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	127	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		128
67	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
70	binmode STDOUT;	141	binmode STDOUT;
71	binmode STDERR;	142	binmode STDERR;
72		143
73	# read virtual server time, if available	144	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
78	}	149	}
79		150
80	mkdir cf::localdir;	151	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		153
86	our $EMERGENCY_POSITION;	154	our $EMERGENCY_POSITION;
		155
		156	sub cf::map::normalise;
87		157
88	#############################################################################	158	#############################################################################
89		159
90	=head2 GLOBAL VARIABLES	160	=head2 GLOBAL VARIABLES
91		161
…		…
98	=item $cf::RUNTIME	168	=item $cf::RUNTIME
99		169
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	170	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	171	every server tick.
102		172
103	=item $cf::LIBDIR	173	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		174	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		175	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		176
105	The perl library directory, where extensions and cf-specific modules can	177	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	178	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		179	unique-items directory, player file directory, random maps directory and
		180	database environment.
107		181
108	=item $cf::NOW	182	=item $cf::NOW
109		183
110	The time of the last (current) server tick.	184	The time of the last (current) server tick.
111		185
112	=item $cf::TICK	186	=item $cf::TICK
113		187
114	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
115		189
		190	=item $cf::LOADAVG
		191
		192	The current CPU load on the server (alpha-smoothed), as a value between 0
		193	(none) and 1 (overloaded), indicating how much time is spent on processing
		194	objects per tick. Healthy values are < 0.5.
		195
		196	=item $cf::LOAD
		197
		198	The raw value load value from the last tick.
		199
116	=item %cf::CFG	200	=item %cf::CFG
117		201
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	203	from wherever your confdir points to.
120		204
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		206
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	207	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	208	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	209	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.	210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
127		216
128	=back	217	=back
129		218
130	=cut	219	=cut
131		220
132	BEGIN {	221	BEGIN {
133	*CORE::GLOBAL::warn = sub {	222	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	223	my $msg = join "", @_;
135	utf8::encode $msg;
136		224
137	$msg .= "\n"	225	$msg .= "\n"
138	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
139		227
		228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		229
140	LOG llevError, $msg;	230	LOG llevError, $msg;
141	};	231	};
142	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
143		248
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	253	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		254	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	255	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		256
151	# we bless all objects into (empty) derived classes to force a method lookup	257	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	258	# within the Safe compartment.
153	for my $pkg (qw(	259	for my $pkg (qw(
154	cf::global cf::attachable	260	cf::global cf::attachable
155	cf::object cf::object::player	261	cf::object cf::object::player
156	cf::client cf::player	262	cf::client cf::player
157	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
158	cf::map cf::party cf::region	265	cf::party cf::region
159	)) {	266	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	268	}
163		269
164	$Event::DIED = sub {	270	$EV::DIED = sub {
165	warn "error in event callback: @_";	271	warn "error in event callback: @_";
166	};	272	};
		273
		274	#############################################################################
167		275
168	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
169		277
170	=over 4	278	=over 4
171		279
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	299	$d
192	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
193	}	301	}
194		302
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
198		304
199	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
200		306
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
209		308
210	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
211		310
212	=cut	311	=cut
213		312
214	sub to_json($) {	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	314
216	JSON::Syck::Dump $_[0]	315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
217	}	330	}
218		331
219	=item cf::lock_wait $string	332	=item cf::lock_wait $string
220		333
221	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
222		335
223	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
224		337
225	Wait until the given lock is available and then acquires it and returns	338	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,	339	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	340	for example when the coroutine gets canceled), the lock is automatically
228	returned.	341	returned.
229		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
230	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
232		348
233	=cut	349	=item $locked = cf::lock_active $string
234		350
235	our %LOCK;	351	Return true if the lock is currently active, i.e. somebody has locked it.
		352
		353	=cut
		354
		355	our $LOCKS = new Coro::SemaphoreSet;
236		356
237	sub lock_wait($) {	357	sub lock_wait($) {
238	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	359	}
246		360
247	sub lock_acquire($) {	361	sub lock_acquire($) {
248	my ($key) = @_;	362	$LOCKS->guard ($_[0])
		363	}
249		364
250	# wait, to be sure we are not locked	365	sub lock_active($) {
251	lock_wait $key;	366	$LOCKS->count ($_[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	}	367	}
260		368
261	sub freeze_mainloop {	369	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
263		371
264	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	373	}
266	$WRITE_RUNTIME_WATCHER->start;	374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
267	};	433	}
268	$WRITE_RUNTIME_WATCHER->stop;	434	};
269	$TICK_WATCHER->stop;	435
270	$guard	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
271	}	448	}
272		449
273	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
274		451
275	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		457
281	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
282		459
283	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
284		461
285	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
288		466
289	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
292	fast or be very important.	470	fast or be very important.
…		…
295		473
296	sub sync_job(&) {	474	sub sync_job(&) {
297	my ($job) = @_;	475	my ($job) = @_;
298		476
299	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
300	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
302		482
303	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	484
305	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
306		486
307	my $busy = 1;	487	my $busy = 1;
308	my @res;	488	my @res;
309		489
310	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	492	@res = eval { $job->() };
312	warn $@ if $@;	493	warn $@ if $@;
313	undef $busy;	494	undef $busy;
314	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
315		496
316	while ($busy) {	497	while ($busy) {
317	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
318	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
319		508
320	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
321	} else {	510	} else {
322	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
323		512
…		…
343	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
344		533
345	$coro	534	$coro
346	}	535	}
347		536
348	sub write_runtime {	537	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		538
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	Executes the given code block with the given arguments in a seperate
352	or return;	540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
353		543
354	my $value = $cf::RUNTIME + 90 + 10;	544	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		545
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	546	sub fork_call(&@) {
359	and return;	547	my ($cb, @args) = @_;
360		548
361	aio_fsync $fh	549	# we seemingly have to make a local copy of the whole thing,
362	and return;	550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
363		552
364	close $fh	553	my @res = Coro::Util::fork_eval {
365	or return;	554	reset_signals;
		555	&$cb
		556	}, @args;
366		557
367	aio_rename "$runtime~", $runtime	558	wantarray ? @res : $res[-1]
368	and return;	559	}
369		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
		588	=item $value = cf::db_get $family => $key
		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
		620
		621	our $DB;
		622
		623	sub db_init {
		624	cf::sync_job {
		625	$DB ||= db_table "db";
		626	};
		627	}
		628
		629	sub db_get($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
370	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
		713	}
		714
		715	=item cf::datalog type => key => value, ...
		716
		717	Log a datalog packet of the given type with the given key-value pairs.
		718
		719	=cut
		720
		721	sub datalog($@) {
		722	my ($type, %kv) = @_;
		723	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	724	}
372		725
373	=back	726	=back
374		727
375	=cut	728	=cut
376		729
377	#############################################################################	730	#############################################################################
378		731
379	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
380		733
381	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
384		737
385	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	740	Deliantra).
388		741
389	=over 4	742	=over 4
390		743
391	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
392		745
…		…
436	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
437		790
438	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
440		793
441	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
443		796
444	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
445		798
446	=over 4	799	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
556		909
557	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		914
562	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	916	my $pkg = shift @arg;
564		917
565	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
595	}	948	}
596		949
597	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
598	} else {	951	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	953	}
601		954
602	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
603	}	956	}
604		957
…		…
606	if (ref $_[0]) {	959	if (ref $_[0]) {
607	_object_attach @_;	960	_object_attach @_;
608	} else {	961	} else {
609	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
610	}	963	}
		964	_recalc_want;
611	};	965	};
612		966
613	# all those should be optimised	967	# all those should be optimised
614	sub cf::attachable::detach {	968	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
619	reattach ($obj);	973	reattach ($obj);
620	} else {	974	} else {
621	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
622	}	976	}
		977	_recalc_want;
623	};	978	};
624		979
625	sub cf::attachable::attached {	980	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
627		982
…		…
642	";	997	";
643	die if $@;	998	die if $@;
644	}	999	}
645		1000
646	our $override;	1001	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1003
649	sub override {	1004	sub override {
650	$override = 1;	1005	$override = 1;
651	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
652	}	1007	}
653		1008
654	sub do_invoke {	1009	sub do_invoke {
655	my $event = shift;	1010	my $event = shift;
656	my $callbacks = shift;	1011	my $callbacks = shift;
657		1012
658	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
659		1014
660	local $override;	1015	local $override;
661		1016
662	for (@$callbacks) {	1017	for (@$callbacks) {
663	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
672	}	1027	}
673		1028
674	0	1029	0
675	}	1030	}
676		1031
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1033
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1035
681	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
682		1037
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1039	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1041
687	=back	1042	=back
688		1043
689	=cut	1044	=cut
690		1045
691	#############################################################################	1046	#############################################################################
692	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
693		1090
694	sub reattach {	1091	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1093	my ($obj) = @_;
697		1094
		1095	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1097
700	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
701		1099
702	@$registry = ();	1100	@$registry = ();
703		1101
…		…
718	cf::attachable->attach (	1116	cf::attachable->attach (
719	prio => -1000000,	1117	prio => -1000000,
720	on_instantiate => sub {	1118	on_instantiate => sub {
721	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
722		1120
723	$data = from_json $data;	1121	$data = decode_json $data;
724		1122
725	for (@$data) {	1123	for (@$data) {
726	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
727		1125
728	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1142	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
746		1144
747	sync_job {	1145	sync_job {
748	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
751		1150
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1155	aio_close $fh;
757		1156
758	if (@$objs) {	1157	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1162	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1163	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
766	}	1165	}
767	} else {	1166	} else {
768	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
769	}	1168	}
770		1169
771	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1174	} else {
773	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
774	}	1176	}
775	} else {	1177	} else {
776	aio_unlink $filename;	1178	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
778	}	1180	}
779	}	1181	};
780	}	1182	}
781		1183
782	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
784		1186
…		…
796	or return;	1198	or return;
797		1199
798	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
800	or return;	1202	or return;
		1203
801	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
802	}	1206	}
803		1207
		1208	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
806	return ($data, $av);	1212	($data, $av)
807	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
808		1220
809	#############################################################################	1221	#############################################################################
810	# command handling &c	1222	# command handling &c
811		1223
812	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1238	}
827		1239
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1241
830	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
831		1247
832	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
833	called.	1249	called.
834		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
835	=cut	1262	=cut
836		1263
837	sub register_extcmd {	1264	sub register_extcmd {
838	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
839		1266
840	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
841	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
842		1277
843	cf::player->attach (	1278	cf::player->attach (
844	on_command => sub {	1279	on_command => sub {
845	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
846		1281
…		…
854	cf::override;	1289	cf::override;
855	},	1290	},
856	on_extcmd => sub {	1291	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
858		1293
859	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1295
861	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
867	} else {	1311	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1313	}
870		1314
871	cf::override;	1315	cf::override;
872	},	1316	},
873	);	1317	);
874		1318
		1319	# "readahead" all extensions
875	sub load_extension {	1320	sub cache_extensions {
876	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
877		1322
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
879	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1326	}
903	die $@;
904	}	1327	};
905		1328
906	push @EXTS, $pkg;	1329	$grp
907	}	1330	}
908		1331
909	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
910	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1337	next unless -r $path;
912	eval {	1338
913	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
914	1	1395	}
915	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
916	}	1401	};
917	}	1402	}
918		1403
919	#############################################################################	1404	#############################################################################
920		1405
		1406	=back
		1407
921	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
922		1409
923	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
924		1411
925	=cut	1412	=cut
926		1413
927	package cf::player;	1414	package cf::player;
928		1415
…		…
930		1417
931	=head3 cf::player	1418	=head3 cf::player
932		1419
933	=over 4	1420	=over 4
934		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
		1435
935	=item cf::player::find $login	1436	=item cf::player::find $login
936		1437
937	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
938		1439
939	=cut	1440	=cut
940		1441
941	sub playerdir($) {	1442	sub playerdir($) {
942	cf::localdir	1443	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1444	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1445	}
948		1446
949	sub path($) {	1447	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1448	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1449
952	(playerdir $login) . "/$login.pl"	1450	(playerdir $login) . "/playerdata"
953	}	1451	}
954		1452
955	sub find_active($) {	1453	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1454	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1455	and $cf::PLAYER{$_[0]}->active
…		…
960		1458
961	sub exists($) {	1459	sub exists($) {
962	my ($login) = @_;	1460	my ($login) = @_;
963		1461
964	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
966	}	1464	}
967		1465
968	sub find($) {	1466	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1468	my $login = $_[0];
971		1469
972	my $guard = cf::lock_acquire "user_find:$login";	1470	my $guard = cf::lock_acquire "user_find:$login";
973		1471
974	$cf::PLAYER{$_[0]} || do {	1472	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1473	# rename old playerfiles to new ones
		1474	#TODO: remove when no longer required
		1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1478	aio_unlink +(playerdir $login) . "/$login.pl";
		1479
		1480	my $f = new_from_file cf::object::thawer path $login
976	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
978	}	1489	}
979	}	1490	}
980	}	1491	}
981		1492
…		…
990	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
991		1502
992	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
994		1505
		1506	cf::get_slot 0.01;
		1507
995	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
996	Coro::cede;	1509	cf::cede_to_tick;
997	}	1510	}
998		1511
999	sub new($) {	1512	sub new($) {
1000	my ($login) = @_;	1513	my ($login) = @_;
1001		1514
…		…
1007	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1008		1521
1009	$self	1522	$self
1010	}	1523	}
1011		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1012	=item $pl->quit_character	1535	=item $pl->quit_character
1013		1536
1014	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1016		1539
1017	=cut	1540	=cut
1018		1541
1019	sub quit_character {	1542	sub quit_character {
1020	my ($pl) = @_;	1543	my ($pl) = @_;
1021		1544
		1545	my $name = $pl->ob->name;
		1546
1022	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1549
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1029		1556
1030	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1559	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1560	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1561	$pl->destroy;
		1562
		1563	my $prefix = qr<^~\Q$name\E/>;
		1564
		1565	# nuke player maps
		1566	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1567
1035	IO::AIO::aio_rmtree $temp;	1568	IO::AIO::aio_rmtree $temp;
		1569	}
		1570
		1571	=item $pl->kick
		1572
		1573	Kicks a player out of the game. This destroys the connection.
		1574
		1575	=cut
		1576
		1577	sub kick {
		1578	my ($pl, $kicker) = @_;
		1579
		1580	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1581	$pl->killer ("kicked");
		1582	$pl->ns->destroy;
1036	}	1583	}
1037		1584
1038	=item cf::player::list_logins	1585	=item cf::player::list_logins
1039		1586
1040	Returns am arrayref of all valid playernames in the system, can take a	1587	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1588	while and may block, so not sync_job-capable, ever.
1042		1589
1043	=cut	1590	=cut
1044		1591
1045	sub list_logins {	1592	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1593	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1594	or return [];
1048		1595
1049	my @logins;	1596	my @logins;
1050		1597
1051	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1055		1608
1056	utf8::decode $login;	1609	utf8::decode $login;
1057	push @logins, $login;	1610	push @logins, $login;
1058	}	1611	}
1059		1612
…		…
1067		1620
1068	=cut	1621	=cut
1069		1622
1070	sub maps($) {	1623	sub maps($) {
1071	my ($pl) = @_;	1624	my ($pl) = @_;
		1625
		1626	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1627
1073	my $files = aio_readdir playerdir $pl	1628	my $files = aio_readdir playerdir $pl
1074	or return;	1629	or return;
1075		1630
1076	my @paths;	1631	my @paths;
…		…
1078	for (@$files) {	1633	for (@$files) {
1079	utf8::decode $_;	1634	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1635	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1636	next unless /^$PATH_SEP/o;
1082		1637
1083	s/\.map$//;	1638	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1639	}
1086		1640
1087	\@paths	1641	\@paths
1088	}	1642	}
1089		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1091		1649
1092	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1093		1651
1094	=cut	1652	=cut
1095		1653
1096	sub ext_reply($$$%) {	1654	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1098		1656
1099	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1658	}
1103		1659
1104	package cf;	1660	=item $player->ext_msg ($type, @msg)
		1661
		1662	Sends an ext event to the client.
		1663
		1664	=cut
		1665
		1666	sub ext_msg($$@) {
		1667	my ($self, $type, @msg) = @_;
		1668
		1669	$self->ns->ext_msg ($type, @msg);
		1670	}
		1671
		1672	=head3 cf::region
		1673
		1674	=over 4
		1675
		1676	=cut
		1677
		1678	package cf::region;
		1679
		1680	=item cf::region::find_by_path $path
		1681
		1682	Tries to decuce the likely region for a map knowing only its path.
		1683
		1684	=cut
		1685
		1686	sub find_by_path($) {
		1687	my ($path) = @_;
		1688
		1689	my ($match, $specificity);
		1690
		1691	for my $region (list) {
		1692	if ($region->{match} && $path =~ $region->{match}) {
		1693	($match, $specificity) = ($region, $region->specificity)
		1694	if $region->specificity > $specificity;
		1695	}
		1696	}
		1697
		1698	$match
		1699	}
1105		1700
1106	=back	1701	=back
1107
1108		1702
1109	=head3 cf::map	1703	=head3 cf::map
1110		1704
1111	=over 4	1705	=over 4
1112		1706
…		…
1124	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1126		1720
1127	sub generate_random_map {	1721	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1129	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1727	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1168		1765
1169	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1170	local $self->{path};	1767	local $self->{path};
1171	local $self->{load_path};	1768	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1769
1175	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1176	}	1771	}
1177		1772
1178	sub normalise {	1773	sub normalise {
1179	my ($path, $base) = @_;	1774	my ($path, $base) = @_;
1180		1775
1181	$path = "$path"; # make sure its a string	1776	$path = "$path"; # make sure its a string
		1777
		1778	$path =~ s/\.map$//;
1182		1779
1183	# map plan:	1780	# map plan:
1184	#	1781	#
1185	# /! non-realised random map exit (special hack!)	1782	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1783	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1224	return $self;	1821	return $self;
1225	}	1822	}
1226	}	1823	}
1227		1824
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1826	()
1230	}	1827	}
1231		1828
1232	sub init {	1829	sub init {
1233	my ($self) = @_;	1830	my ($self) = @_;
…		…
1248		1845
1249	# the original (read-only) location	1846	# the original (read-only) location
1250	sub load_path {	1847	sub load_path {
1251	my ($self) = @_;	1848	my ($self) = @_;
1252		1849
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1850	"$MAPDIR/$self->{path}.map"
1254	}	1851	}
1255		1852
1256	# the temporary/swap location	1853	# the temporary/swap location
1257	sub save_path {	1854	sub save_path {
1258	my ($self) = @_;	1855	my ($self) = @_;
1259		1856
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1858	"$TMPDIR/$path.map"
1262	}	1859	}
1263		1860
1264	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1265	sub uniq_path {	1862	sub uniq_path {
1266	my ($self) = @_;	1863	my ($self) = @_;
1267		1864
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1866	"$UNIQUEDIR/$path"
1270	}	1867	}
1271		1868
1272	# and all this just because we cannot iterate over	1869	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	1870	my ($self) = @_;
1276		1871
1277	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1279	}	1875	}
1280		1876
1281	sub unlink_save {	1877	sub unlink_save {
1282	my ($self) = @_;	1878	my ($self) = @_;
1283		1879
…		…
1288		1884
1289	sub load_header_from($) {	1885	sub load_header_from($) {
1290	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1291		1887
1292	utf8::encode $path;	1888	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1294	or return;	1890	or return;
1295		1891
1296	$self->_load_header ($path)	1892	$self->_load_header ($f)
1297	or return;	1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1298		1897
1299	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1300		1899
1301	1	1900	1
1302	}	1901	}
…		…
1341	$self->load_header_orig	1940	$self->load_header_orig
1342	or return;	1941	or return;
1343	$self->prepare_orig;	1942	$self->prepare_orig;
1344	}	1943	}
1345		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
		1948	$self->default_region (cf::region::find_by_path $self->{path})
		1949	unless $self->default_region;
		1950
1346	1	1951	1
1347	}	1952	}
1348		1953
1349	sub find;	1954	sub find;
1350	sub find {	1955	sub find {
1351	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1352		1957
1353	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1354		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1356		1962
1357	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1360	or return;	1965	or return;
1361		1966
1362	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1363		1968
1364	$map->load_header	1969	$map->load_header
1365	or return;	1970	or return;
1366		1971
1367	if ($map->should_reset) {	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1370	$map->reset;	1977	$map->reset;
1371	undef $guard;
1372	return find $path;	1978	return find $path;
1373	}	1979	}
1374		1980
1375	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1376	}	1982	}
…		…
1380	sub post_load { }	1986	sub post_load { }
1381		1987
1382	sub load {	1988	sub load {
1383	my ($self) = @_;	1989	my ($self) = @_;
1384		1990
		1991	local $self->{deny_reset} = 1; # loading can take a long time
		1992
1385	my $path = $self->{path};	1993	my $path = $self->{path};
		1994
		1995	{
1386	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1387		1997
		1998	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2000
1390	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1391		2002
1392	$self->alloc;	2003	$self->alloc;
1393		2004
1394	$self->pre_load;	2005	$self->pre_load;
		2006	cf::cede_to_tick;
1395		2007
1396	$self->_load_objects ($self->{load_path}, 1)	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
		2010	$self->_load_objects ($f)
1397	or return;	2011	or return;
1398		2012
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1400	if delete $self->{load_original};	2014	if delete $self->{load_original};
1401		2015
1402	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2017	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2020	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1407	}	2024	}
1408	}	2025	}
1409		2026
1410	Coro::cede;	2027	$f->resolve_delayed_derefs;
1411		2028
		2029	cf::cede_to_tick;
1412	# now do the right thing for maps	2030	# now do the right thing for maps
1413	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2033	unless $self->difficulty;
1423	Coro::cede;	2034	cf::cede_to_tick;
		2035
		2036	unless ($self->{deny_activate}) {
		2037	$self->decay_objects;
		2038	$self->fix_auto_apply;
		2039	$self->update_buttons;
		2040	cf::cede_to_tick;
1424	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2048	}
1426		2049
1427	$self->post_load;	2050	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2051	}
1431		2052
1432	sub customise_for {	2053	sub customise_for {
1433	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1434		2055
1435	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2057	if $self->per_player;
1437		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1438	$self	2062	$self
1439	}	2063	}
1440		2064
1441	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2066	sub load_neighbours {
1443	my ($map) = @_;	2067	my ($map) = @_;
1444		2068
1445	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1446		2070
1447	for (0 .. 3) {	2071	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1449	or next;	2073	or next;
1450	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1451	or next;	2075	or next;
1452	$neigh->load;	2076	$neigh->load;
1453		2077
		2078	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2081	}
1457		2082
1458	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1460	or next;	2086	or next;
1461	$neigh->load;	2087	$neigh->load;
1462	}	2088	}
1463	}	2089	}
1464		2090
…		…
1469	}	2095	}
1470		2096
1471	sub do_load_sync {	2097	sub do_load_sync {
1472	my ($map) = @_;	2098	my ($map) = @_;
1473		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1474	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1475	}	2104	}
1476		2105
1477	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1479		2108
1480	sub find_async {	2109	sub find_async {
1481	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1482		2111
1483	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1484		2113
1485	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2116	}
1488		2117
1489	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1490	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1491	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2125	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2126	$map->load if $v;
		2127	}
1496		2128
1497	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1498	}	2130	}
1499	}	2131	}
1500	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1501	};	2133	};
1502	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2137	}
1506		2138
1507	sub save {	2139	sub save {
1508	my ($self) = @_;	2140	my ($self) = @_;
1509		2141
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2143
1512	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1513		2145
1514	return unless $self->dirty;	2146	return unless $self->dirty;
1515		2147
…		…
1521	return if $self->{deny_save};	2153	return if $self->{deny_save};
1522		2154
1523	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1524		2156
1525	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1527	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1528		2163
1529	if ($uniq) {	2164	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2167	} else {
…		…
1538	my ($self) = @_;	2173	my ($self) = @_;
1539		2174
1540	# save first because save cedes	2175	# save first because save cedes
1541	$self->save;	2176	$self->save;
1542		2177
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2179
1545	return if $self->players;	2180	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2182	return if $self->{deny_save};
1548		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2188	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2189	}
1552		2190
1553	sub reset_at {	2191	sub reset_at {
1554	my ($self) = @_;	2192	my ($self) = @_;
1555		2193
1556	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1559		2196
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2199
…		…
1573	my ($self) = @_;	2210	my ($self) = @_;
1574		2211
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2213
1577	return if $self->players;	2214	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2215
1580	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
		2217
		2218	$self->in_memory (cf::MAP_SWAPPED);
		2219
		2220	# need to save uniques path
		2221	unless ($self->{deny_save}) {
		2222	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2223
		2224	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2225	if $uniq;
		2226	}
1581		2227
1582	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1583		2229
1584	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2232	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2233
1589	$self->unlink_save;	2234	$self->unlink_save;
1590	$self->destroy;	2235	$self->destroy;
1591	}	2236	}
1592		2237
1593	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1594		2239
1595	sub nuke {	2240	sub nuke {
1596	my ($self) = @_;	2241	my ($self) = @_;
1597		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1598	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1599		2247
1600	$self->unlink_save;	2248	$self->unlink_save;
1601		2249
1602	bless $self, "cf::map";	2250	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2255
1608	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1609		2258
1610	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1611	}	2296	}
1612		2297
1613	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1614		2299
1615	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2301	instantiated unique items. May block.
1617		2302
1618	=cut	2303	=cut
1619		2304
1620	sub unique_maps() {	2305	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1622	or return;	2307	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2308	utf8::decode $_;
1628	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2311	? ()
1631	s/\.map$//;	2312	: normalise $_
1632	push @paths, $_;	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2314	]
1634
1635	\@paths
1636	}	2315	}
1637
1638	package cf;
1639		2316
1640	=back	2317	=back
1641		2318
1642	=head3 cf::object	2319	=head3 cf::object
1643		2320
…		…
1647		2324
1648	=over 4	2325	=over 4
1649		2326
1650	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1651		2328
1652	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1653		2331
1654	=cut	2332	=cut
1655		2333
1656	sub inv_recursive_;	2334	sub inv_recursive_;
1657	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1660		2338
1661	sub inv_recursive {	2339	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1663	}	2341	}
1664		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1665	package cf;	2371	package cf;
1666		2372
1667	=back	2373	=back
1668		2374
1669	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1678		2384
1679	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1680		2400
1681	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2402	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1686		2406
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2408
1689	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1691	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1694	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1695	}	2434	}
1696		2435
1697	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1698		2437
1699	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1712		2451
1713	=item $player_object->enter_link	2452	=item $player_object->enter_link
1714		2453
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2455
1717	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1718	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1719		2460
1720	Will never block.	2461	Will never block.
1721		2462
1722	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1723		2464
…		…
1731	=cut	2472	=cut
1732		2473
1733	sub link_map {	2474	sub link_map {
1734	unless ($LINK_MAP) {	2475	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2476	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2477	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2478	$LINK_MAP->load;
1738	}	2479	}
1739		2480
1740	$LINK_MAP	2481	$LINK_MAP
1741	}	2482	}
…		…
1746	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1747		2488
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2490
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1752		2493
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2495	}
1755		2496
1756	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1758		2501
1759	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1760		2503
1761	unless ($map) {	2504	unless ($map) {
1762	# restore original map position	2505	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1779		2522
1780	$map->load;	2523	$map->load;
1781	$map->load_diag;	2524	$map->load_neighbours;
1782		2525
1783	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1784	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1786	}	2532	}
1787		2533
1788	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2535
1792	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1796	};	2540	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2541
1802	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1803	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2544
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1823		2548
1824	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2554
1827	$self->enter_link;	2555	$self->enter_link;
1828		2556
1829	(async {	2557	(async {
1830	my $map = cf::map::find $path;	2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
		2579	my $map = eval {
		2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
1832		2584	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2585	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
1837		2588
		2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
		2595	}
		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1839	})->prio (1);	2603	})->prio (1);
1840	}	2604	}
1841		2605
1842	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1843		2607
…		…
1863	}	2627	}
1864		2628
1865	sub prepare_random_map {	2629	sub prepare_random_map {
1866	my ($exit) = @_;	2630	my ($exit) = @_;
1867		2631
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2634	# that depends on the exit object
1873		2635
1874	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
1875		2637
1876	if ($exit->map) {	2638	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2639	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1881	}	2645	}
1882		2646
1883	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1884		2648
1885	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1888		2652
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2655	undef $fh;
1892	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1893		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1896	}	2664	}
1897	}	2665	}
1898		2666
1899	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1903		2671
1904	$self->enter_link;	2672	$self->enter_link;
1905		2673
1906	(async {	2674	(async {
1907	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1908	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
1909	prepare_random_map $exit	2684	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2685	if $exit->slaying eq "/!";
		2686	}
1911		2687
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
1914		2691
		2692	$self->goto ($map, $x, $y);
		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1915	1;	2698	1
1916	}) {	2699	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2704
1922	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2706	$self->leave_link;
1924	}	2707	}
1925	})->prio (1);	2708	})->prio (1);
…		…
1938		2721
1939	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1941		2724
1942	utf8::encode $text;	2725	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2727	}
1945		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->ext_msg ($type, @msg)
		2878
		2879	Sends an ext event to the client.
		2880
		2881	=cut
		2882
		2883	sub cf::client::ext_msg($$@) {
		2884	my ($self, $type, @msg) = @_;
		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
		2889	push @msg, msgtype => "event_$type";
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
		2910	}
1946		2911
1947	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
1948		2913
1949	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
1950	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1951	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		2917
1953	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	2919	become reliable at some point in the future.
1955		2920
1956	=cut	2921	=cut
1957		2922
1958	sub cf::client::query {	2923	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	2932	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		2934
1970	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
1972	}	2939	}
1973		2940
1974	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
1975	on_reply => sub {	2947	on_reply => sub {
1976	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
1977		2949
1978	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
1979	# get handled first	2951	# get handled first
1980	my $queue = delete $ns->{query_queue}	2952	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	2953	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		2954
1983	(shift @$queue)->[1]->($msg);	2955	(shift @$queue)->[1]->($msg);
		2956	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		2957
1985	push @{ $ns->{query_queue} }, @$queue;	2958	push @{ $ns->{query_queue} }, @$queue;
1986		2959
1987	if (@{ $ns->{query_queue} } == @$queue) {	2960	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	2961	if (@$queue) {
…		…
1990	} else {	2963	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	2965	}
1993	}	2966	}
1994	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
1995	);	2994	);
1996		2995
1997	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
1998		2997
1999	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2042		3041
2043	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2044		3043
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2046		3049
2047	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2048		3051
2049	=pod	3052	=pod
2050		3053
2051	The following fucntions and emthods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2052		3055
2053	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2054	cf::object::player player	3061	cf::object::player
2055	cf::player peaceful	3062	player
2056	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2057		3069
2058	=cut	3070	=cut
2059		3071
2060	for (	3072	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2062	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2064	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2065	) {	3079	) {
2066	no strict 'refs';	3080	no strict 'refs';
2067	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2085	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2086		3100
2087	my $qcode = $code;	3101	my $qcode = $code;
2088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2089	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2090		3106
2091	local $_;	3107	local $_;
2092	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2093		3109
2094	my $eval =	3110	my $eval =
…		…
2137	=back	3153	=back
2138		3154
2139	=cut	3155	=cut
2140		3156
2141	#############################################################################	3157	#############################################################################
		3158	# the server's init and main functions
2142		3159
2143	=head2 EXTENSION DATABASE SUPPORT	3160	sub load_facedata($) {
		3161	my ($path) = @_;
2144		3162
2145	Crossfire maintains a very simple database for extension use. It can	3163	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3164	# for this (global event?)
2147	excludes objects.	3165	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3166
2149	The parameter C<$family> should best start with the name of the extension	3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3168
2152	=over 4	3169	warn "loading facedata from $path\n";
2153		3170
2154	=item $hashref = cf::db_get $family	3171	my $facedata;
		3172	0 < aio_load $path, $facedata
		3173	or die "$path: $!";
2155		3174
2156	Return a hashref for use by the extension C<$family>, which can be	3175	$facedata = Coro::Storable::thaw $facedata;
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159		3176
2160	=item $value = cf::db_get $family => $key	3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2161		3179
2162	Returns a single value from the database	3180	# patch in the exptable
2163		3181	$facedata->{resource}{"res/exp_table"} = {
2164	=item cf::db_put $family => $hashref	3182	type => FT_RSRC,
2165		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3184	};
		3185	cf::cede_to_tick;
2192		3186
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3187	{
		3188	my $faces = $facedata->{faceinfo};
2204		3189
2205	my $dirty;	3190	while (my ($face, $info) = each %$faces) {
		3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3192
2207	sub db_sync() {	3193	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	}	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211		3197
2212	my $idle = Event->idle (	3198	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3199	}
2246	);
2247	}
2248		3200
2249	#############################################################################	3201	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3202	next unless $info->{smooth};
2251		3203
2252	sub cfg_load {	3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
		3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
		3264	1
		3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
		3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
		3334	sub reload_resources {
		3335	warn "reloading resource files...\n";
		3336
		3337	reload_facedata;
		3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3347	or return;
2255		3348
2256	local $/;	3349	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2258		3351
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3353
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	};	3361	};
2269	warn $@ if $@;	3362	warn $@ if $@;
2270	}	3363	}
2271	}	3364	}
2272		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2273	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2274	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3403	(async {
2278	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2280	};	3407	};
2281		3408
2282	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
		3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2284	load_extensions;	3427	load_extensions;
2285		3428
2286	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2287	Event::loop;	3437	EV::loop;
2288	}	3438	}
2289		3439
2290	#############################################################################	3440	#############################################################################
2291	# initialisation and cleanup	3441	# initialisation and cleanup
2292		3442
2293	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2294	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2303	},
2304	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2305	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2306	}	3537	}
2307		3538
2308	sub emergency_save() {	3539	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2310		3541
2311	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2312		3543
2313	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2314	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3558	$pl->save;
2322	}	3559	}
2323	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2324		3561
2325	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3565	$map->valid or next;
2329	$map->save;	3566	$map->save;
2330	}	3567	}
2331	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
		3569
		3570	warn "emergency_perl_save: begin database checkpoint\n";
		3571	BDB::db_env_txn_checkpoint $DB_ENV;
		3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2332	};	3577	};
2333		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2334	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2335	}	3585	}
2336		3586
		3587	sub post_cleanup {
		3588	my ($make_core) = @_;
		3589
		3590	warn Carp::longmess "post_cleanup backtrace"
		3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
		3621	}
		3622
2337	sub reload() {	3623	sub do_reload_perl() {
2338	# can/must only be called in main	3624	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2341	return;	3627	return;
2342	}	3628	}
2343		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2344	warn "reloading...";	3635	warn "reloading...";
2345		3636
2346	warn "cancelling server ticker";	3637	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		3638
		3639	cf::sync_job {
		3640	cf::write_runtime_sync; # external watchdog should not bark
2349	cf::emergency_save;	3641	cf::emergency_save;
		3642	cf::write_runtime_sync; # external watchdog should not bark
2350		3643
2351	eval {	3644	warn "syncing database to disk";
		3645	BDB::db_env_txn_checkpoint $DB_ENV;
		3646
2352	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2353		3648
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361
2362	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2363	for (;;) {	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2364	IO::AIO::flush;	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2365	Coro::cede;
2366	last unless IO::AIO::nreqs;
2367	warn "iterate...";
2368	}
2369
2370	warn "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();
2373
2374	warn "removing commands";
2375	%COMMAND = ();
2376
2377	warn "removing ext commands";
2378	%EXTCMD = ();
2379
2380	warn "unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";
2383
2384	if (my $cb = $pkg->can ("unload")) {
2385	eval {
2386	$cb->($pkg);
2387	1
2388	} or warn "$pkg unloaded, but with errors: $@";
2389	}	3652	}
2390		3653
2391	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2392	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2393	}	3656	%EXT_CORO = ();
2394		3657
2395	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2396	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2399	warn "... unloading $k";	3667	warn "... unloading $pkg";
2400	delete $INC{$k};
2401		3668
2402	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;
2404
2405	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2406	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2407	}	3678	}
2408		3679
2409	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2410	}	3695	}
2411		3696
2412	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3700
2416	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
		3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2418		3704
2419	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3706	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2422		3708
2423	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2424		3710
2425	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2426	require cf;	3712	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		3714
2429	warn "loading config and database again";	3715	warn "loading config and database again";
2430	cf::cfg_load;	3716	cf::reload_config;
2431	cf::db_load;
2432		3717
2433	warn "loading extensions";	3718	warn "loading extensions";
2434	cf::load_extensions;	3719	cf::load_extensions;
2435		3720
		3721	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2437	_global_reattach;	3723	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
		3726	warn "reattaching attachments to players";
		3727	reattach $_ for values %PLAYER;
		3728	}
2440		3729
2441	warn "restarting server ticker";	3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
2442		3732
2443	$TICK_WATCHER->start;	3733	warn "leaving sync_job";
		3734
		3735	1
		3736	} or do {
		3737	warn $@;
		3738	cf::cleanup "error while reloading, exiting.";
		3739	};
		3740
		3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
		3747	};
		3748
		3749	our $RELOAD_WATCHER; # used only during reload
		3750
		3751	sub reload_perl() {
		3752	# doing reload synchronously and two reloads happen back-to-back,
		3753	# coro crashes during coro_state_free->destroy here.
		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
		3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
		3760	undef $RELOAD_WATCHER;
		3761	};
2444	};	3762	};
2445		3763	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		3764
2457	register_command "reload" => sub {	3765	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2459		3767
2460	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2462		3770	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	3772	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	3773	};
2475	}	3774	}
2476	};	3775	};
2477		3776
2478	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2479		3778
2480	my $bug_warning = 0;	3779	my $bug_warning = 0;
2481		3780
2482	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2483	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	3783
2485	prio => 0,	3784	sub wait_for_tick {
2486	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	3786
2488	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2489	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2492	return;	3804	return;
2493	}	3805	}
2494		3806
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		3808
2501	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2503		3811	Coro::async_pool {
2504	Event::sweep;	3812	$Coro::current->{desc} = "runtime saver";
2505	Coro::cede_notself;
2506
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},
2516	);
2517
2518	IO::AIO::max_poll_time $TICK * 0.1;
2519
2520	undef $Coro::AIO::WATCHER;
2521	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529
2530	$WRITE_RUNTIME_WATCHER = Event->timer (
2531	reentrant => 0,
2532	data => WF_AUTOCANCEL,
2533	after => 1,
2534	interval => 10,
2535	prio => 6, # keep it lowest so it acts like a watchdog
2536	cb => Coro::unblock_sub {
2537	write_runtime	3813	write_runtime_sync
2538	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
		3815	};
2539	},	3816	}
2540	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
		3836
		3837	{
		3838	# configure BDB
		3839
		3840	BDB::min_parallel 8;
		3841	BDB::max_poll_reqs $TICK * 0.1;
		3842	$AnyEvent::BDB::WATCHER->priority (1);
		3843
		3844	unless ($DB_ENV) {
		3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3851
		3852	cf::sync_job {
		3853	eval {
		3854	BDB::db_env_open
		3855	$DB_ENV,
		3856	$BDBDIR,
		3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3859	0666;
		3860
		3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3862	};
		3863
		3864	cf::cleanup "db_env_open(db): $@" if $@;
		3865	};
		3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
		3877	}
		3878
		3879	{
		3880	# configure IO::AIO
		3881
		3882	IO::AIO::min_parallel 8;
		3883	IO::AIO::max_poll_time $TICK * 0.1;
		3884	undef $AnyEvent::AIO::WATCHER;
		3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	eval "use cf::$_" for @EXTRA_MODULES;
2541		3931
2542	END { cf::emergency_save }	3932	END { cf::emergency_save }
2543		3933
2544	1	3934	1
2545		3935

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