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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs.
Revision 1.461 by root, Fri Dec 19 22:47:29 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
53		116
54	our %CFG;	117	our %CFG;
55		118
56	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
58		122
59	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		126
67	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
70	binmode STDOUT;	139	binmode STDOUT;
71	binmode STDERR;	140	binmode STDERR;
72		141
73	# read virtual server time, if available	142	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
78	}	147	}
79		148
80	mkdir cf::localdir;	149	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		151
86	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
		153
		154	sub cf::map::normalise;
87		155
88	#############################################################################	156	#############################################################################
89		157
90	=head2 GLOBAL VARIABLES	158	=head2 GLOBAL VARIABLES
91		159
…		…
98	=item $cf::RUNTIME	166	=item $cf::RUNTIME
99		167
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	169	every server tick.
102		170
103	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		174
105	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
107		179
108	=item $cf::NOW	180	=item $cf::NOW
109		181
110	The time of the last (current) server tick.	182	The time of the last (current) server tick.
111		183
112	=item $cf::TICK	184	=item $cf::TICK
113		185
114	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
115		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
116	=item %cf::CFG	198	=item %cf::CFG
117		199
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	201	from wherever your confdir points to.
120		202
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		204
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
127		214
128	=back	215	=back
129		216
130	=cut	217	=cut
131		218
132	BEGIN {	219	BEGIN {
133	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	221	my $msg = join "", @_;
135	utf8::encode $msg;
136		222
137	$msg .= "\n"	223	$msg .= "\n"
138	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
139		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
140	LOG llevError, $msg;	228	LOG llevError, $msg;
141	};	229	};
142	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
143		246
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		254
151	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	256	# within the Safe compartment.
153	for my $pkg (qw(	257	for my $pkg (qw(
154	cf::global cf::attachable	258	cf::global cf::attachable
155	cf::object cf::object::player	259	cf::object cf::object::player
156	cf::client cf::player	260	cf::client cf::player
157	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
158	cf::map cf::party cf::region	263	cf::party cf::region
159	)) {	264	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	266	}
163		267
164	$Event::DIED = sub {	268	$EV::DIED = sub {
165	warn "error in event callback: @_";	269	warn "error in event callback: @_";
166	};	270	};
		271
		272	#############################################################################
167		273
168	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
169		275
170	=over 4	276	=over 4
171		277
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	297	$d
192	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
193	}	299	}
194		300
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
198		302
199	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
200		304
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
209		306
210	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
211		308
212	=cut	309	=cut
213		310
214	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
216	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
217	}	328	}
218		329
219	=item cf::lock_wait $string	330	=item cf::lock_wait $string
220		331
221	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
222		333
223	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
224		335
225	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
228	returned.	339	returned.
229		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
230	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
232		346
233	=cut	347	=item $locked = cf::lock_active $string
234		348
235	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
236		354
237	sub lock_wait($) {	355	sub lock_wait($) {
238	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	357	}
246		358
247	sub lock_acquire($) {	359	sub lock_acquire($) {
248	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
249		362
250	# wait, to be sure we are not locked	363	sub lock_active($) {
251	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	365	}
260		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	371	}
266	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
353		541
354	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		543
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
359	and return;	545	my ($cb, @args) = @_;
360		546
361	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
362	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
363		550
364	close $fh	551	my @res = Coro::Util::fork_eval {
365	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
366		555
367	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
368	and return;	557	}
369		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
370	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	722	}
372		723
373	=back	724	=back
374		725
375	=cut	726	=cut
376		727
377	#############################################################################	728	#############################################################################
378		729
379	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
380		731
381	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
384		735
385	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	738	Deliantra).
388		739
389	=over 4	740	=over 4
390		741
391	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
392		743
…		…
436	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
437		788
438	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
440		791
441	Some classes such as crossfire maps and objects can specify attachments	792	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.	793	that are attached at load/instantiate time, thus the need for a name.
443		794
444	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
445		796
446	=over 4	797	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
556		907
557	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		912
562	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	914	my $pkg = shift @arg;
564		915
565	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
595	}	946	}
596		947
597	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
598	} else {	949	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	951	}
601		952
602	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
603	}	954	}
604		955
…		…
606	if (ref $_[0]) {	957	if (ref $_[0]) {
607	_object_attach @_;	958	_object_attach @_;
608	} else {	959	} else {
609	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
610	}	961	}
		962	_recalc_want;
611	};	963	};
612		964
613	# all those should be optimised	965	# all those should be optimised
614	sub cf::attachable::detach {	966	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
619	reattach ($obj);	971	reattach ($obj);
620	} else {	972	} else {
621	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
622	}	974	}
		975	_recalc_want;
623	};	976	};
624		977
625	sub cf::attachable::attached {	978	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
627		980
…		…
642	";	995	";
643	die if $@;	996	die if $@;
644	}	997	}
645		998
646	our $override;	999	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1001
649	sub override {	1002	sub override {
650	$override = 1;	1003	$override = 1;
651	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
652	}	1005	}
653		1006
654	sub do_invoke {	1007	sub do_invoke {
655	my $event = shift;	1008	my $event = shift;
656	my $callbacks = shift;	1009	my $callbacks = shift;
657		1010
658	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
659		1012
660	local $override;	1013	local $override;
661		1014
662	for (@$callbacks) {	1015	for (@$callbacks) {
663	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
672	}	1025	}
673		1026
674	0	1027	0
675	}	1028	}
676		1029
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1031
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1033
681	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
682		1035
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1039
687	=back	1040	=back
688		1041
689	=cut	1042	=cut
690		1043
691	#############################################################################	1044	#############################################################################
692	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
693		1088
694	sub reattach {	1089	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1091	my ($obj) = @_;
697		1092
		1093	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1095
700	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
701		1097
702	@$registry = ();	1098	@$registry = ();
703		1099
…		…
718	cf::attachable->attach (	1114	cf::attachable->attach (
719	prio => -1000000,	1115	prio => -1000000,
720	on_instantiate => sub {	1116	on_instantiate => sub {
721	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
722		1118
723	$data = from_json $data;	1119	$data = decode_json $data;
724		1120
725	for (@$data) {	1121	for (@$data) {
726	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
727		1123
728	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1140	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
746		1142
747	sync_job {	1143	sync_job {
748	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
751		1148
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1153	aio_close $fh;
757		1154
758	if (@$objs) {	1155	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1161	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
766	}	1163	}
767	} else {	1164	} else {
768	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
769	}	1166	}
770		1167
771	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1172	} else {
773	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
774	}	1174	}
775	} else {	1175	} else {
776	aio_unlink $filename;	1176	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
778	}	1178	}
779	}	1179	};
780	}	1180	}
781		1181
782	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
784		1184
…		…
796	or return;	1196	or return;
797		1197
798	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
800	or return;	1200	or return;
		1201
801	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
802	}	1204	}
803		1205
		1206	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
806	return ($data, $av);	1210	($data, $av)
807	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
808		1218
809	#############################################################################	1219	#############################################################################
810	# command handling &c	1220	# command handling &c
811		1221
812	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1236	}
827		1237
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1239
830	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
831		1245
832	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
833	called.	1247	called.
834		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
835	=cut	1260	=cut
836		1261
837	sub register_extcmd {	1262	sub register_extcmd {
838	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
839		1264
840	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
841	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
842		1275
843	cf::player->attach (	1276	cf::player->attach (
844	on_command => sub {	1277	on_command => sub {
845	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
846		1279
…		…
854	cf::override;	1287	cf::override;
855	},	1288	},
856	on_extcmd => sub {	1289	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
858		1291
859	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1293
861	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
867	} else {	1309	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1311	}
870		1312
871	cf::override;	1313	cf::override;
872	},	1314	},
873	);	1315	);
874		1316
		1317	# "readahead" all extensions
875	sub load_extension {	1318	sub cache_extensions {
876	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
877		1320
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
879	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1323	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	}	1324	}
903	die $@;
904	}	1325	};
905		1326
906	push @EXTS, $pkg;	1327	$grp
907	}	1328	}
908		1329
909	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
910	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1335	next unless -r $path;
912	eval {	1336
913	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
914	1	1393	}
915	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
916	}	1399	};
917	}	1400	}
918		1401
919	#############################################################################	1402	#############################################################################
920		1403
		1404	=back
		1405
921	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
922		1407
923	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
924		1409
925	=cut	1410	=cut
926		1411
927	package cf::player;	1412	package cf::player;
928		1413
…		…
930		1415
931	=head3 cf::player	1416	=head3 cf::player
932		1417
933	=over 4	1418	=over 4
934		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
935	=item cf::player::find $login	1434	=item cf::player::find $login
936		1435
937	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
938		1437
939	=cut	1438	=cut
940		1439
941	sub playerdir($) {	1440	sub playerdir($) {
942	cf::localdir	1441	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1443	}
948		1444
949	sub path($) {	1445	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1447
952	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
953	}	1449	}
954		1450
955	sub find_active($) {	1451	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
960		1456
961	sub exists($) {	1457	sub exists($) {
962	my ($login) = @_;	1458	my ($login) = @_;
963		1459
964	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
966	}	1462	}
967		1463
968	sub find($) {	1464	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1466	my $login = $_[0];
971		1467
972	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
973		1469
974	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
976	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
978	}	1487	}
979	}	1488	}
980	}	1489	}
981		1490
…		…
990	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
991		1500
992	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
994		1503
		1504	cf::get_slot 0.01;
		1505
995	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
996	Coro::cede;	1507	cf::cede_to_tick;
997	}	1508	}
998		1509
999	sub new($) {	1510	sub new($) {
1000	my ($login) = @_;	1511	my ($login) = @_;
1001		1512
…		…
1007	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1008		1519
1009	$self	1520	$self
1010	}	1521	}
1011		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1012	=item $pl->quit_character	1533	=item $pl->quit_character
1013		1534
1014	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1016		1537
1017	=cut	1538	=cut
1018		1539
1019	sub quit_character {	1540	sub quit_character {
1020	my ($pl) = @_;	1541	my ($pl) = @_;
1021		1542
		1543	my $name = $pl->ob->name;
		1544
1022	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1547
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1029		1554
1030	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1035	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1036	}	1581	}
1037		1582
1038	=item cf::player::list_logins	1583	=item cf::player::list_logins
1039		1584
1040	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1042		1587
1043	=cut	1588	=cut
1044		1589
1045	sub list_logins {	1590	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1592	or return [];
1048		1593
1049	my @logins;	1594	my @logins;
1050		1595
1051	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1055		1606
1056	utf8::decode $login;	1607	utf8::decode $login;
1057	push @logins, $login;	1608	push @logins, $login;
1058	}	1609	}
1059		1610
…		…
1067		1618
1068	=cut	1619	=cut
1069		1620
1070	sub maps($) {	1621	sub maps($) {
1071	my ($pl) = @_;	1622	my ($pl) = @_;
		1623
		1624	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1625
1073	my $files = aio_readdir playerdir $pl	1626	my $files = aio_readdir playerdir $pl
1074	or return;	1627	or return;
1075		1628
1076	my @paths;	1629	my @paths;
…		…
1078	for (@$files) {	1631	for (@$files) {
1079	utf8::decode $_;	1632	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1633	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1634	next unless /^$PATH_SEP/o;
1082		1635
1083	s/\.map$//;	1636	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1637	}
1086		1638
1087	\@paths	1639	\@paths
1088	}	1640	}
1089		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1091		1647
1092	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1093		1649
1094	=cut	1650	=cut
1095		1651
1096	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1098		1654
1099	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1656	}
1103		1657
1104	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1105		1698
1106	=back	1699	=back
1107
1108		1700
1109	=head3 cf::map	1701	=head3 cf::map
1110		1702
1111	=over 4	1703	=over 4
1112		1704
…		…
1124	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1126		1718
1127	sub generate_random_map {	1719	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1129	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1725	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1168		1763
1169	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1170	local $self->{path};	1765	local $self->{path};
1171	local $self->{load_path};	1766	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1767
1175	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1176	}	1769	}
1177		1770
1178	sub normalise {	1771	sub normalise {
1179	my ($path, $base) = @_;	1772	my ($path, $base) = @_;
1180		1773
1181	$path = "$path"; # make sure its a string	1774	$path = "$path"; # make sure its a string
		1775
		1776	$path =~ s/\.map$//;
1182		1777
1183	# map plan:	1778	# map plan:
1184	#	1779	#
1185	# /! non-realised random map exit (special hack!)	1780	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1781	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1224	return $self;	1819	return $self;
1225	}	1820	}
1226	}	1821	}
1227		1822
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1824	()
1230	}	1825	}
1231		1826
1232	sub init {	1827	sub init {
1233	my ($self) = @_;	1828	my ($self) = @_;
…		…
1248		1843
1249	# the original (read-only) location	1844	# the original (read-only) location
1250	sub load_path {	1845	sub load_path {
1251	my ($self) = @_;	1846	my ($self) = @_;
1252		1847
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1254	}	1849	}
1255		1850
1256	# the temporary/swap location	1851	# the temporary/swap location
1257	sub save_path {	1852	sub save_path {
1258	my ($self) = @_;	1853	my ($self) = @_;
1259		1854
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1262	}	1857	}
1263		1858
1264	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1265	sub uniq_path {	1860	sub uniq_path {
1266	my ($self) = @_;	1861	my ($self) = @_;
1267		1862
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1270	}	1865	}
1271		1866
1272	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1273	# all maps in C++...	1868	# all maps in C++...
1274	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1276		1871
1277	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1279	}	1874	}
1280		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1281	sub unlink_save {	1884	sub unlink_save {
1282	my ($self) = @_;	1885	my ($self) = @_;
1283		1886
1284	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1891
1289	sub load_header_from($) {	1892	sub load_header_from($) {
1290	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1291		1894
1292	utf8::encode $path;	1895	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1294	or return;	1897	or return;
1295		1898
1296	$self->_load_header ($path)	1899	$self->_load_header ($f)
1297	or return;	1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1298		1904
1299	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1300		1906
1301	1	1907	1
1302	}	1908	}
…		…
1341	$self->load_header_orig	1947	$self->load_header_orig
1342	or return;	1948	or return;
1343	$self->prepare_orig;	1949	$self->prepare_orig;
1344	}	1950	}
1345		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
		1955	$self->default_region (cf::region::find_by_path $self->{path})
		1956	unless $self->default_region;
		1957
1346	1	1958	1
1347	}	1959	}
1348		1960
1349	sub find;	1961	sub find;
1350	sub find {	1962	sub find {
1351	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1352		1964
1353	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1354		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1356		1969
1357	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1360	or return;	1972	or return;
1361		1973
1362	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1363		1975
1364	$map->load_header	1976	$map->load_header
1365	or return;	1977	or return;
1366		1978
1367	if ($map->should_reset) {	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1370	$map->reset;	1984	$map->reset;
1371	undef $guard;
1372	return find $path;	1985	return find $path;
1373	}	1986	}
1374		1987
1375	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1376	}	1989	}
…		…
1380	sub post_load { }	1993	sub post_load { }
1381		1994
1382	sub load {	1995	sub load {
1383	my ($self) = @_;	1996	my ($self) = @_;
1384		1997
		1998	local $self->{deny_reset} = 1; # loading can take a long time
		1999
1385	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1387		2004
		2005	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2007
1390	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1391		2009
1392	$self->alloc;	2010	$self->alloc;
1393		2011
1394	$self->pre_load;	2012	$self->pre_load;
		2013	cf::cede_to_tick;
1395		2014
1396	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1397	or return;	2018	or return;
1398		2019
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1400	if delete $self->{load_original};	2021	if delete $self->{load_original};
1401		2022
1402	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2024	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2027	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1407	}	2031	}
1408	}	2032	}
1409		2033
1410	Coro::cede;	2034	$f->resolve_delayed_derefs;
1411		2035
		2036	cf::cede_to_tick;
1412	# now do the right thing for maps	2037	# now do the right thing for maps
1413	$self->link_multipart_objects;	2038	$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)	2039	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2040	unless $self->difficulty;
1423	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1424	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2057	}
1426		2058
1427	$self->post_load;	2059	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2060	}
1431		2061
1432	sub customise_for {	2062	sub customise_for {
1433	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1434		2064
1435	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2066	if $self->per_player;
1437		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1438	$self	2071	$self
1439	}	2072	}
1440		2073
1441	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2075	sub load_neighbours {
1443	my ($map) = @_;	2076	my ($map) = @_;
1444		2077
1445	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1446		2079
1447	for (0 .. 3) {	2080	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1449	or next;	2082	or next;
1450	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1451	or next;	2084	or next;
1452	$neigh->load;	2085	$neigh->load;
1453		2086
		2087	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2090	}
1457		2091
1458	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1460	or next;	2095	or next;
1461	$neigh->load;	2096	$neigh->load;
1462	}	2097	}
1463	}	2098	}
1464		2099
…		…
1469	}	2104	}
1470		2105
1471	sub do_load_sync {	2106	sub do_load_sync {
1472	my ($map) = @_;	2107	my ($map) = @_;
1473		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1474	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1475	}	2113	}
1476		2114
1477	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1479		2117
1480	sub find_async {	2118	sub find_async {
1481	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1482		2120
1483	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1484		2122
1485	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2125	}
1488		2126
1489	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1490	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1491	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2134	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2135	$map->load if $v;
		2136	}
1496		2137
1497	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1498	}	2139	}
1499	}	2140	}
1500	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1501	};	2142	};
1502	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2146	}
1506		2147
1507	sub save {	2148	sub save {
1508	my ($self) = @_;	2149	my ($self) = @_;
1509		2150
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2152
1512	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1513		2154
1514	return unless $self->dirty;	2155	return unless $self->dirty;
1515		2156
…		…
1521	return if $self->{deny_save};	2162	return if $self->{deny_save};
1522		2163
1523	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1524		2165
1525	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1527	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1528		2172
1529	if ($uniq) {	2173	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2176	} else {
…		…
1538	my ($self) = @_;	2182	my ($self) = @_;
1539		2183
1540	# save first because save cedes	2184	# save first because save cedes
1541	$self->save;	2185	$self->save;
1542		2186
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2188
1545	return if $self->players;	2189	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2191	return if $self->{deny_save};
1548		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2197	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2198	}
1552		2199
1553	sub reset_at {	2200	sub reset_at {
1554	my ($self) = @_;	2201	my ($self) = @_;
1555		2202
1556	# TODO: safety, remove and allow resettable per-player maps	2203	# 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};	2204	return 1e99 if $self->{deny_reset};
1559		2205
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2208
…		…
1573	my ($self) = @_;	2219	my ($self) = @_;
1574		2220
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2222
1577	return if $self->players;	2223	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2224
1580	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
		2226
		2227	$self->in_memory (cf::MAP_SWAPPED);
		2228
		2229	# need to save uniques path
		2230	unless ($self->{deny_save}) {
		2231	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2232
		2233	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2234	if $uniq;
		2235	}
1581		2236
1582	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1583		2238
1584	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2241	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2242
1589	$self->unlink_save;	2243	$self->unlink_save;
1590	$self->destroy;	2244	$self->destroy;
1591	}	2245	}
1592		2246
1593	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1594		2248
1595	sub nuke {	2249	sub nuke {
1596	my ($self) = @_;	2250	my ($self) = @_;
1597		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1598	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1599		2256
1600	$self->unlink_save;	2257	$self->unlink_save;
1601		2258
1602	bless $self, "cf::map";	2259	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2264
1608	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1609		2267
1610	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1611	}	2305	}
1612		2306
1613	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1614		2308
1615	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2310	instantiated unique items. May block.
1617		2311
1618	=cut	2312	=cut
1619		2313
1620	sub unique_maps() {	2314	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1622	or return;	2316	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2317	utf8::decode $_;
1628	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2320	? ()
1631	s/\.map$//;	2321	: normalise $_
1632	push @paths, $_;	2322	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2323	]
1634
1635	\@paths
1636	}	2324	}
1637
1638	package cf;
1639		2325
1640	=back	2326	=back
1641		2327
1642	=head3 cf::object	2328	=head3 cf::object
1643		2329
…		…
1647		2333
1648	=over 4	2334	=over 4
1649		2335
1650	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1651		2337
1652	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1653		2340
1654	=cut	2341	=cut
1655		2342
1656	sub inv_recursive_;	2343	sub inv_recursive_;
1657	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1660		2347
1661	sub inv_recursive {	2348	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1663	}	2350	}
1664		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1665	package cf;	2380	package cf;
1666		2381
1667	=back	2382	=back
1668		2383
1669	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1678		2393
1679	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1680		2409
1681	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2411	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1686		2415
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2417
1689	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1691	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1694	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1695	}	2443	}
1696		2444
1697	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1698		2446
1699	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1712		2460
1713	=item $player_object->enter_link	2461	=item $player_object->enter_link
1714		2462
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2464
1717	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1718	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1719		2469
1720	Will never block.	2470	Will never block.
1721		2471
1722	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1723		2473
…		…
1731	=cut	2481	=cut
1732		2482
1733	sub link_map {	2483	sub link_map {
1734	unless ($LINK_MAP) {	2484	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2485	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2486	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2487	$LINK_MAP->load;
1738	}	2488	}
1739		2489
1740	$LINK_MAP	2490	$LINK_MAP
1741	}	2491	}
…		…
1746	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1747		2497
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2499
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1752		2502
1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2504	}
1755		2505
1756	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1758		2510
1759	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1760		2512
1761	unless ($map) {	2513	unless ($map) {
1762	# restore original map position	2514	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1779		2531
1780	$map->load;	2532	$map->load;
1781	$map->load_diag;	2533	$map->load_neighbours;
1782		2534
1783	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1784	$self->activate_recursive;	2537	$self->activate_recursive;
		2538
		2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1786	}	2541	}
1787		2542
1788	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2544
1792	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1796	};	2549	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2550
1802	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1803	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1804	if ($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		2553
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1823		2557
1824	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2563
1827	$self->enter_link;	2564	$self->enter_link;
1828		2565
1829	(async {	2566	(async {
1830	my $map = cf::map::find $path;	2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
		2588	my $map = eval {
		2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
1832		2593	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2594	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
1837		2597
		2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
		2604	}
		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1839	})->prio (1);	2612	})->prio (1);
1840	}	2613	}
1841		2614
1842	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1843		2616
…		…
1863	}	2636	}
1864		2637
1865	sub prepare_random_map {	2638	sub prepare_random_map {
1866	my ($exit) = @_;	2639	my ($exit) = @_;
1867		2640
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2643	# that depends on the exit object
1873		2644
1874	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
1875		2646
1876	if ($exit->map) {	2647	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2648	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1881	}	2654	}
1882		2655
1883	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1884		2657
1885	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1888		2661
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2664	undef $fh;
1892	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1893		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1896	}	2673	}
1897	}	2674	}
1898		2675
1899	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1903		2680
1904	$self->enter_link;	2681	$self->enter_link;
1905		2682
1906	(async {	2683	(async {
1907	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1908	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
1909	prepare_random_map $exit	2693	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2694	if $exit->slaying eq "/!";
		2695	}
1911		2696
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
1914		2700
		2701	$self->goto ($map, $x, $y);
		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
1915	1;	2707	1
1916	}) {	2708	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2713
1922	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2715	$self->leave_link;
1924	}	2716	}
1925	})->prio (1);	2717	})->prio (1);
…		…
1938		2730
1939	sub cf::client::send_drawinfo {	2731	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2732	my ($self, $text, $flags) = @_;
1941		2733
1942	utf8::encode $text;	2734	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2736	}
1945		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
		2889	=item $client->ext_msg ($type, @msg)
		2890
		2891	Sends an ext event to the client.
		2892
		2893	=cut
		2894
		2895	sub cf::client::ext_msg($$@) {
		2896	my ($self, $type, @msg) = @_;
		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
		2901	push @msg, msgtype => "event_$type";
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
		2922	}
1946		2923
1947	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
1948		2925
1949	Queues a query to the client, calling the given callback with	2926	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>,	2927	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>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		2929
1953	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	2931	become reliable at some point in the future.
1955		2932
1956	=cut	2933	=cut
1957		2934
1958	sub cf::client::query {	2935	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	2944	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		2946
1970	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
1972	}	2951	}
1973		2952
1974	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
1975	on_reply => sub {	2959	on_reply => sub {
1976	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
1977		2961
1978	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
1979	# get handled first	2963	# get handled first
1980	my $queue = delete $ns->{query_queue}	2964	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	2965	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		2966
1983	(shift @$queue)->[1]->($msg);	2967	(shift @$queue)->[1]->($msg);
		2968	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		2969
1985	push @{ $ns->{query_queue} }, @$queue;	2970	push @{ $ns->{query_queue} }, @$queue;
1986		2971
1987	if (@{ $ns->{query_queue} } == @$queue) {	2972	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	2973	if (@$queue) {
…		…
1990	} else {	2975	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	2977	}
1993	}	2978	}
1994	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
1995	);	3006	);
1996		3007
1997	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
1998		3009
1999	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2042		3053
2043	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2044		3055
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2046		3061
2047	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2048		3063
2049	=pod	3064	=pod
2050		3065
2051	The following fucntions and emthods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2052		3067
2053	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2054	cf::object::player player	3072	cf::object::player
2055	cf::player peaceful	3073	player
2056	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2057		3080
2058	=cut	3081	=cut
2059		3082
2060	for (	3083	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2062	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2064	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2065	) {	3090	) {
2066	no strict 'refs';	3091	no strict 'refs';
…		…
2137	=back	3162	=back
2138		3163
2139	=cut	3164	=cut
2140		3165
2141	#############################################################################	3166	#############################################################################
		3167	# the server's init and main functions
2142		3168
2143	=head2 EXTENSION DATABASE SUPPORT	3169	sub load_facedata($) {
		3170	my ($path) = @_;
2144		3171
2145	Crossfire maintains a very simple database for extension use. It can	3172	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3173	# for this (global event?)
2147	excludes objects.	3174	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3175
2149	The parameter C<$family> should best start with the name of the extension	3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3177
2152	=over 4	3178	warn "loading facedata from $path\n";
2153		3179
2154	=item $hashref = cf::db_get $family	3180	my $facedata;
		3181	0 < aio_load $path, $facedata
		3182	or die "$path: $!";
2155		3183
2156	Return a hashref for use by the extension C<$family>, which can be	3184	$facedata = Coro::Storable::thaw $facedata;
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159		3185
2160	=item $value = cf::db_get $family => $key	3186	$facedata->{version} == 2
		3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2161		3188
2162	Returns a single value from the database	3189	# patch in the exptable
2163		3190	$facedata->{resource}{"res/exp_table"} = {
2164	=item cf::db_put $family => $hashref	3191	type => FT_RSRC,
2165		3192	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	}	3193	};
		3194	cf::cede_to_tick;
2192		3195
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	}	3196	{
		3197	my $faces = $facedata->{faceinfo};
2204		3198
2205	my $dirty;	3199	while (my ($face, $info) = each %$faces) {
		3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3201
2207	sub db_sync() {	3202	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3203	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	}	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211		3206
2212	my $idle = Event->idle (	3207	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	},	3208	}
2246	);
2247	}
2248		3209
2249	#############################################################################	3210	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3211	next unless $info->{smooth};
2251		3212
2252	sub cfg_load {	3213	my $idx = cf::face::find $face
		3214	or next;
		3215
		3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
		3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3219	} else {
		3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	{
		3228	my $anims = $facedata->{animinfo};
		3229
		3230	while (my ($anim, $info) = each %$anims) {
		3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3232	cf::cede_to_tick;
		3233	}
		3234
		3235	cf::anim::invalidate_all; # d'oh
		3236	}
		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
		3273	1
		3274	}
		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
		3320	or die "unable to load regions file\n";
		3321
		3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
		3333	sub reload_archetypes {
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_facedata;
		3347	reload_archetypes;
		3348	reload_regions;
		3349	reload_treasures;
		3350
		3351	warn "finished reloading resource files\n";
		3352	}
		3353
		3354	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3356	or return;
2255		3357
2256	local $/;	3358	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2258		3360
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3362
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	};	3370	};
2269	warn $@ if $@;	3371	warn $@ if $@;
2270	}	3372	}
2271	}	3373	}
2272		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2273	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406
		3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408
2274	# we must not ever block the main coroutine	3409	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3410	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3411	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3412	(async {
2278	Event::one_event;	3413	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3414	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3415	})->prio (Coro::PRIO_MAX);
2280	};	3416	};
2281		3417
2282	cfg_load;	3418	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3419
		3420	cf::sync_job {
		3421	reload_resources;
		3422	reload_config;
		3423	db_init;
		3424
		3425	cf::load_settings;
		3426	cf::load_materials;
		3427	cf::init_uuid;
		3428	cf::init_signals;
		3429	cf::init_commands;
		3430	cf::init_skills;
		3431
		3432	cf::init_beforeplay;
		3433
		3434	atomic;
		3435
2284	load_extensions;	3436	load_extensions;
2285		3437
2286	$TICK_WATCHER->start;	3438	utime time, time, $RUNTIMEFILE;
		3439
		3440	# no (long-running) fork's whatsoever before this point(!)
		3441	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3442
		3443	(pop @POST_INIT)->(0) while @POST_INIT;
		3444	};
		3445
2287	Event::loop;	3446	EV::loop;
2288	}	3447	}
2289		3448
2290	#############################################################################	3449	#############################################################################
2291	# initialisation and cleanup	3450	# initialisation and cleanup
2292		3451
2293	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2294	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3456	$SIGWATCHER{$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";	3457	cf::cleanup "SIG$signal";
2303	},
2304	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2305	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_seq uuid_cur;
		3513
		3514	unless ($value) {
		3515	warn "cowardly refusing to write zero uuid value!\n";
		3516	return;
		3517	}
		3518
		3519	my $value = uuid_str $value + $uuid_skip;
		3520	$uuid_skip = 0;
		3521
		3522	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3523	and return;
		3524
		3525	# always fsync - this file is important
		3526	aio_fsync $fh
		3527	and return;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$uuid~", $uuid
		3533	and return;
		3534
		3535	warn "uuid file written ($value).\n";
		3536
		3537	1
		3538
		3539	}
		3540
		3541	sub write_uuid($$) {
		3542	my ($skip, $sync) = @_;
		3543
		3544	$sync ? write_uuid_sync $skip
		3545	: async { write_uuid_sync $skip };
2306	}	3546	}
2307		3547
2308	sub emergency_save() {	3548	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3549	my $freeze_guard = cf::freeze_mainloop;
2310		3550
2311	warn "enter emergency perl save\n";	3551	warn "emergency_perl_save: enter\n";
2312		3552
2313	cf::sync_job {	3553	cf::sync_job {
		3554	# this is a trade-off: we want to be very quick here, so
		3555	# save all maps without fsync, and later call a global sync
		3556	# (which in turn might be very very slow)
		3557	local $USE_FSYNC = 0;
		3558
2314	# use a peculiar iteration method to avoid tripping on perl	3559	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3560	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3561	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3562	warn "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3563	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3564	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3565	$pl->valid or next;
		3566	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3567	$pl->save;
2322	}	3568	}
2323	warn "end emergency player save\n";	3569	warn "emergency_perl_save: end player save\n";
2324		3570
2325	warn "begin emergency map save\n";	3571	warn "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3572	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3573	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3574	$map->valid or next;
2329	$map->save;	3575	$map->save;
2330	}	3576	}
2331	warn "end emergency map save\n";	3577	warn "emergency_perl_save: end map save\n";
		3578
		3579	warn "emergency_perl_save: begin database checkpoint\n";
		3580	BDB::db_env_txn_checkpoint $DB_ENV;
		3581	warn "emergency_perl_save: end database checkpoint\n";
		3582
		3583	warn "emergency_perl_save: begin write uuid\n";
		3584	write_uuid_sync 1;
		3585	warn "emergency_perl_save: end write uuid\n";
2332	};	3586	};
2333		3587
		3588	warn "emergency_perl_save: starting sync()\n";
		3589	IO::AIO::aio_sync sub {
		3590	warn "emergency_perl_save: finished sync()\n";
		3591	};
		3592
2334	warn "leave emergency perl save\n";	3593	warn "emergency_perl_save: leave\n";
2335	}	3594	}
2336		3595
		3596	sub post_cleanup {
		3597	my ($make_core) = @_;
		3598
		3599	warn Carp::longmess "post_cleanup backtrace"
		3600	if $make_core;
		3601
		3602	my $fh = pidfile;
		3603	unlink $PIDFILE if <$fh> == $$;
		3604	}
		3605
		3606	# a safer delete_package, copied from Symbol
		3607	sub clear_package($) {
		3608	my $pkg = shift;
		3609
		3610	# expand to full symbol table name if needed
		3611	unless ($pkg =~ /^main::.*::$/) {
		3612	$pkg = "main$pkg" if $pkg =~ /^::/;
		3613	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3614	$pkg .= '::' unless $pkg =~ /::$/;
		3615	}
		3616
		3617	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3618	my $stem_symtab = *{$stem}{HASH};
		3619
		3620	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3621	or return;
		3622
		3623	# clear all symbols
		3624	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3625	for my $name (keys %$leaf_symtab) {
		3626	_gv_clear *{"$pkg$name"};
		3627	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3628	}
		3629	warn "cleared package $pkg\n";#d#
		3630	}
		3631
2337	sub reload() {	3632	sub do_reload_perl() {
2338	# can/must only be called in main	3633	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3634	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	3635	warn "can only reload from main coroutine";
2341	return;	3636	return;
2342	}	3637	}
2343		3638
		3639	return if $RELOAD++;
		3640
		3641	my $t1 = EV::time;
		3642
		3643	while ($RELOAD) {
2344	warn "reloading...";	3644	warn "reloading...";
2345		3645
2346	warn "cancelling server ticker";	3646	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		3647
		3648	cf::sync_job {
		3649	cf::write_runtime_sync; # external watchdog should not bark
2349	cf::emergency_save;	3650	cf::emergency_save;
		3651	cf::write_runtime_sync; # external watchdog should not bark
2350		3652
2351	eval {	3653	warn "syncing database to disk";
		3654	BDB::db_env_txn_checkpoint $DB_ENV;
		3655
2352	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2353		3657
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";	3658	warn "flushing outstanding aio requests";
2363	for (;;) {	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2364	IO::AIO::flush;	3660	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	}	3661	}
2390		3662
2391	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2392	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2393	}	3665	%EXT_CORO = ();
2394		3666
2395	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2396	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2399	warn "... unloading $k";	3676	warn "... unloading $pkg";
2400	delete $INC{$k};
2401		3677
2402	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;
2404
2405	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2406	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2407	}	3687	}
2408		3688
2409	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2410	}	3704	}
2411		3705
2412	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3709
2416	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2418		3713
2419	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3715	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2422		3717
2423	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2424		3719
2425	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2426	require cf;	3721	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		3723
2429	warn "loading config and database again";	3724	warn "loading config and database again";
2430	cf::cfg_load;	3725	cf::reload_config;
2431	cf::db_load;
2432		3726
2433	warn "loading extensions";	3727	warn "loading extensions";
2434	cf::load_extensions;	3728	cf::load_extensions;
2435		3729
		3730	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	3731	warn "reattaching attachments to objects/players";
2437	_global_reattach;	3732	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	3733	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	3734	reattach $_ for values %MAP;
		3735	warn "reattaching attachments to players";
		3736	reattach $_ for values %PLAYER;
		3737	}
2440		3738
2441	warn "restarting server ticker";	3739	warn "running post_init jobs";
		3740	(pop @POST_INIT)->(1) while @POST_INIT;
2442		3741
2443	$TICK_WATCHER->start;	3742	warn "leaving sync_job";
		3743
		3744	1
		3745	} or do {
		3746	warn $@;
		3747	cf::cleanup "error while reloading, exiting.";
		3748	};
		3749
		3750	warn "reloaded";
		3751	--$RELOAD;
		3752	}
		3753
		3754	$t1 = EV::time - $t1;
		3755	warn "reload completed in ${t1}s\n";
		3756	};
		3757
		3758	our $RELOAD_WATCHER; # used only during reload
		3759
		3760	sub reload_perl() {
		3761	# doing reload synchronously and two reloads happen back-to-back,
		3762	# coro crashes during coro_state_free->destroy here.
		3763
		3764	$RELOAD_WATCHER ||= cf::async {
		3765	Coro::AIO::aio_wait cache_extensions;
		3766
		3767	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3768	do_reload_perl;
		3769	undef $RELOAD_WATCHER;
		3770	};
2444	};	3771	};
2445		3772	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		3773
2457	register_command "reload" => sub {	3774	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3775	my ($who, $arg) = @_;
2459		3776
2460	if ($who->flag (FLAG_WIZ)) {	3777	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	3778	$who->message ("reloading server.");
2462		3779	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	3780	$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;	3781	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	3782	};
2475	}	3783	}
2476	};	3784	};
2477		3785
2478	unshift @INC, $LIBDIR;	3786	unshift @INC, $LIBDIR;
2479		3787
2480	my $bug_warning = 0;	3788	my $bug_warning = 0;
2481		3789
2482	$TICK_WATCHER = Event->timer (	3790	our @WAIT_FOR_TICK;
2483	reentrant => 0,	3791	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	3792
2485	prio => 0,	3793	sub wait_for_tick {
2486	at => $NEXT_TICK || $TICK,	3794	return if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	3795
2488	cb => sub {	3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub wait_for_tick_begin {
		3802	return if tick_inhibit || $Coro::current == $Coro::main;
		3803
		3804	my $signal = new Coro::Signal;
		3805	push @WAIT_FOR_TICK_BEGIN, $signal;
		3806	$signal->wait;
		3807	}
		3808
		3809	sub tick {
2489	if ($Coro::current != $Coro::main) {	3810	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3811	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	3812	unless ++$bug_warning > 10;
2492	return;	3813	return;
2493	}	3814	}
2494		3815
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	3816	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		3817
2501	$WAIT_FOR_TICK->broadcast;	3818	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3819	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2503		3820	Coro::async_pool {
2504	Event::sweep;	3821	$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	3822	write_runtime_sync
2538	or warn "ERROR: unable to write runtime file: $!";	3823	or warn "ERROR: unable to write runtime file: $!";
		3824	};
2539	},	3825	}
2540	);	3826
		3827	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3828	$sig->send;
		3829	}
		3830	while (my $sig = shift @WAIT_FOR_TICK) {
		3831	$sig->send;
		3832	}
		3833
		3834	$LOAD = ($NOW - $TICK_START) / $TICK;
		3835	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3836
		3837	if (0) {
		3838	if ($NEXT_TICK) {
		3839	my $jitter = $TICK_START - $NEXT_TICK;
		3840	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3841	warn "jitter $JITTER\n";#d#
		3842	}
		3843	}
		3844	}
		3845
		3846	{
		3847	# configure BDB
		3848
		3849	BDB::min_parallel 8;
		3850	BDB::max_poll_reqs $TICK * 0.1;
		3851	$AnyEvent::BDB::WATCHER->priority (1);
		3852
		3853	unless ($DB_ENV) {
		3854	$DB_ENV = BDB::db_env_create;
		3855	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3856	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3857	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3858	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3859	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3860
		3861	cf::sync_job {
		3862	eval {
		3863	BDB::db_env_open
		3864	$DB_ENV,
		3865	$BDBDIR,
		3866	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3867	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3868	0666;
		3869
		3870	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3871	};
		3872
		3873	cf::cleanup "db_env_open(db): $@" if $@;
		3874	};
		3875	}
		3876
		3877	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3878	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3879	};
		3880	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3881	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3882	};
		3883	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3884	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3885	};
		3886	}
		3887
		3888	{
		3889	# configure IO::AIO
		3890
		3891	IO::AIO::min_parallel 8;
		3892	IO::AIO::max_poll_time $TICK * 0.1;
		3893	undef $AnyEvent::AIO::WATCHER;
		3894	}
		3895
		3896	my $_log_backtrace;
		3897
		3898	sub _log_backtrace {
		3899	my ($msg, @addr) = @_;
		3900
		3901	$msg =~ s/\n//;
		3902
		3903	# limit the # of concurrent backtraces
		3904	if ($_log_backtrace < 2) {
		3905	++$_log_backtrace;
		3906	my $perl_bt = Carp::longmess $msg;
		3907	async {
		3908	$Coro::current->{desc} = "abt $msg";
		3909
		3910	my @bt = fork_call {
		3911	@addr = map { sprintf "%x", $_ } @addr;
		3912	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3913	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3914	or die "addr2line: $!";
		3915
		3916	my @funcs;
		3917	my @res = <$fh>;
		3918	chomp for @res;
		3919	while (@res) {
		3920	my ($func, $line) = splice @res, 0, 2, ();
		3921	push @funcs, "[$func] $line";
		3922	}
		3923
		3924	@funcs
		3925	};
		3926
		3927	LOG llevInfo, "[ABT] $perl_bt\n";
		3928	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3929	LOG llevInfo, "[ABT] $_\n" for @bt;
		3930	--$_log_backtrace;
		3931	};
		3932	} else {
		3933	LOG llevInfo, "[ABT] $msg\n";
		3934	LOG llevInfo, "[ABT] [suppressed]\n";
		3935	}
		3936	}
		3937
		3938	# load additional modules
		3939	use cf::pod;
2541		3940
2542	END { cf::emergency_save }	3941	END { cf::emergency_save }
2543		3942
2544	1	3943	1
2545		3944

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