ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		79
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		81
40	our %COMMAND = ();	82	our %COMMAND = ();
41	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
42		84
43	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
47		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	92	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
50		95
51	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	97	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	114	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
61		123
62	our %CFG;	124	our %CFG;
63		125
64	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
66		129
67	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		133
76	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
		146
79	binmode STDOUT;	147	binmode STDOUT;
80	binmode STDERR;	148	binmode STDERR;
81		149
82	# read virtual server time, if available	150	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
87	}	155	}
88		156
89	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	158
91	mkdir cf::localdir . "/" . cf::tmpdir;	159	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		161
96	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
97		163
98	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
99		173
100	#############################################################################	174	#############################################################################
101		175
102	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
103		177
…		…
110	=item $cf::RUNTIME	184	=item $cf::RUNTIME
111		185
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	186	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	187	every server tick.
114		188
115	=item $cf::LIBDIR	189	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		190	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		191	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		192
117	The perl library directory, where extensions and cf-specific modules can	193	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	194	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		195	unique-items directory, player file directory, random maps directory and
		196	database environment.
119		197
120	=item $cf::NOW	198	=item $cf::NOW
121		199
122	The time of the last (current) server tick.	200	The time of the last (current) server tick.
123		201
124	=item $cf::TICK	202	=item $cf::TICK
125		203
126	The interval between server ticks, in seconds.	204	The interval between server ticks, in seconds.
127		205
		206	=item $cf::LOADAVG
		207
		208	The current CPU load on the server (alpha-smoothed), as a value between 0
		209	(none) and 1 (overloaded), indicating how much time is spent on processing
		210	objects per tick. Healthy values are < 0.5.
		211
		212	=item $cf::LOAD
		213
		214	The raw value load value from the last tick.
		215
128	=item %cf::CFG	216	=item %cf::CFG
129		217
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	219	from wherever your confdir points to.
132		220
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		222
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	224	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	225	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	226
		227	=item @cf::INVOKE_RESULTS
		228
		229	This array contains the results of the last C<invoke ()> call. When
		230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		231	that call.
		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
139		238
140	=back	239	=back
141		240
142	=cut	241	=cut
143		242
144	BEGIN {	243	$Coro::State::WARNHOOK = sub {
145	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	244	my $msg = join "", @_;
147	utf8::encode $msg;
148		245
149	$msg .= "\n"	246	$msg .= "\n"
150	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
151		248
		249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		250
152	LOG llevError, $msg;	251	LOG llevError, $msg;
153	};	252	};
154	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
155		267
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	272	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		273	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	274	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		275
163	# we bless all objects into (empty) derived classes to force a method lookup	276	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	277	# within the Safe compartment.
165	for my $pkg (qw(	278	for my $pkg (qw(
166	cf::global cf::attachable	279	cf::global cf::attachable
167	cf::object cf::object::player	280	cf::object cf::object::player
168	cf::client cf::player	281	cf::client cf::player
169	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
170	cf::map cf::party cf::region	284	cf::party cf::region
171	)) {	285	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	287	}
175		288
176	$Event::DIED = sub {	289	$EV::DIED = sub {
177	warn "error in event callback: @_";	290	warn "error in event callback: @_";
178	};	291	};
		292
		293	#############################################################################
179		294
180	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
181		296
182	=over 4	297	=over 4
183		298
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	318	$d
204	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
205	}	320	}
206		321
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
210		323
211	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
212		325
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
221		327
222	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
223		329
224	=cut	330	=cut
225		331
226	sub to_json($) {	332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	333
228	JSON::Syck::Dump $_[0]	334	sub encode_json($) { $json_coder->encode ($_[0]) }
		335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
229	}	349	}
230		350
231	=item cf::lock_wait $string	351	=item cf::lock_wait $string
232		352
233	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
234		354
235	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
236		356
237	Wait until the given lock is available and then acquires it and returns	357	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	358	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
240	returned.	360	returned.
241		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
242	Lock names should begin with a unique identifier (for example, cf::map::find	365	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
244		367
245	=cut	368	=item $locked = cf::lock_active $string
246		369
247	our %LOCK;	370	Return true if the lock is currently active, i.e. somebody has locked it.
		371
		372	=cut
		373
		374	our $LOCKS = new Coro::SemaphoreSet;
248		375
249	sub lock_wait($) {	376	sub lock_wait($) {
250	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	378	}
258		379
259	sub lock_acquire($) {	380	sub lock_acquire($) {
260	my ($key) = @_;	381	$LOCKS->guard ($_[0])
		382	}
261		383
262	# wait, to be sure we are not locked	384	sub lock_active($) {
263	lock_wait $key;	385	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	386	}
272		387
273	sub freeze_mainloop {	388	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
275		390
276	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	392	}
		393
		394	=item cf::periodic $interval, $cb
		395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
		407	}
		408
		409	=item cf::get_slot $time[, $priority[, $name]]
		410
		411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		412	This call blocks and returns only when you have at least C<$time> seconds
		413	of cpu time till the next tick. The slot is only valid till the next cede.
		414
		415	The optional C<$name> can be used to identify the job to run. It might be
		416	used for statistical purposes and should identify the same time-class.
		417
		418	Useful for short background jobs.
		419
		420	=cut
		421
		422	our @SLOT_QUEUE;
		423	our $SLOT_QUEUE;
		424
		425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		426	$SLOT_QUEUE = Coro::async {
		427	$Coro::current->desc ("timeslot manager");
		428
		429	my $signal = new Coro::Signal;
		430
		431	while () {
		432	next_job:
		433	my $avail = cf::till_tick;
		434	if ($avail > 0.01) {
		435	for (0 .. $#SLOT_QUEUE) {
		436	if ($SLOT_QUEUE[$_][0] < $avail) {
		437	my $job = splice @SLOT_QUEUE, $_, 1, ();
		438	$job->[2]->send;
		439	Coro::cede;
		440	goto next_job;
		441	}
		442	}
		443	}
		444
		445	if (@SLOT_QUEUE) {
		446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		447	push @cf::WAIT_FOR_TICK, $signal;
		448	$signal->wait;
		449	} else {
		450	Coro::schedule;
		451	}
278	};	452	}
279	$TICK_WATCHER->stop;	453	};
280	$guard	454
		455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
		458	my ($time, $pri, $name) = @_;
		459
		460	$time = $TICK * .6 if $time > $TICK * .6;
		461	my $sig = new Coro::Signal;
		462
		463	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		464	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		465	$SLOT_QUEUE->ready;
		466	$sig->wait;
281	}	467	}
282		468
283	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
284		470
285	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		476
291	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
292		478
293	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
294		480
295	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
298		485
299	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
302	fast or be very important.	489	fast or be very important.
…		…
305		492
306	sub sync_job(&) {	493	sub sync_job(&) {
307	my ($job) = @_;	494	my ($job) = @_;
308		495
309	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
		497	my $time = EV::time;
		498
310	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
312		501
313	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	503
315	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
316		505
317	my $busy = 1;	506	my $busy = 1;
318	my @res;	507	my @res;
319		508
320	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	511	@res = eval { $job->() };
322	warn $@ if $@;	512	warn $@ if $@;
323	undef $busy;	513	undef $busy;
324	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
325		515
326	while ($busy) {	516	while ($busy) {
327	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
328	}	521	}
		522	}
		523
		524	my $time = EV::time - $time;
		525
		526	$TICK_START += $time; # do not account sync jobs to server load
329		527
330	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
331	} else {	529	} else {
332	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
333		531
…		…
353	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
354		552
355	$coro	553	$coro
356	}	554	}
357		555
358	sub write_runtime {	556	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		557
361	my $runtime = cf::localdir . "/runtime";	558	Executes the given code block with the given arguments in a seperate
		559	process, returning the results. Everything must be serialisable with
		560	Coro::Storable. May, of course, block. Note that the executed sub may
		561	never block itself or use any form of event handling.
362		562
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	=cut
364	or return;
365		564
366	my $value = $cf::RUNTIME + 90 + 10;	565	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	566	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		567
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	568	# we seemingly have to make a local copy of the whole thing,
371	and return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
372		571
373	# always fsync - this file is important	572	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	573	reset_signals;
375	and return;	574	&$cb
		575	}, @args;
376		576
377	close $fh	577	wantarray ? @res : $res[-1]
378	or return;	578	}
379		579
380	aio_rename "$runtime~", $runtime	580	=item $coin = coin_from_name $name
381	and return;
382		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
		605	}
		606
		607	=item $value = cf::db_get $family => $key
		608
		609	Returns a single value from the environment database.
		610
		611	=item cf::db_put $family => $key => $value
		612
		613	Stores the given C<$value> in the family. It can currently store binary
		614	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		615
		616	=item $db = cf::db_table "name"
		617
		618	Create and/or open a new database table. The string must not be "db" and must be unique
		619	within each server.
		620
		621	=cut
		622
		623	sub db_table($) {
		624	my ($name) = @_;
		625	my $db = BDB::db_create $DB_ENV;
		626
		627	eval {
		628	$db->set_flags (BDB::CHKSUM);
		629
		630	utf8::encode $name;
		631	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		632	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		633	cf::cleanup "db_open(db): $!" if $!;
		634	};
		635	cf::cleanup "db_open(db): $@" if $@;
		636
		637	$db
		638	}
		639
		640	our $DB;
		641
		642	sub db_init {
		643	cf::sync_job {
		644	$DB ||= db_table "db";
		645	};
		646	}
		647
		648	sub db_get($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
383	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		660	BDB::dbreq_pri 4;
		661	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		662	}
		663
		664	=item cf::cache $id => [$paths...], $processversion => $process
		665
		666	Generic caching function that returns the value of the resource $id,
		667	caching and regenerating as required.
		668
		669	This function can block.
		670
		671	=cut
		672
		673	sub cache {
		674	my ($id, $src, $processversion, $process) = @_;
		675
		676	my $meta =
		677	join "\x00",
		678	$processversion,
		679	map {
		680	aio_stat $_
		681	and Carp::croak "$_: $!";
		682
		683	($_, (stat _)[7,9])
		684	} @$src;
		685
		686	my $dbmeta = db_get cache => "$id/meta";
		687	if ($dbmeta ne $meta) {
		688	# changed, we may need to process
		689
		690	my @data;
		691	my $md5;
		692
		693	for (0 .. $#$src) {
		694	0 <= aio_load $src->[$_], $data[$_]
		695	or Carp::croak "$src->[$_]: $!";
		696	}
		697
		698	# if processing is expensive, check
		699	# checksum first
		700	if (1) {
		701	$md5 =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	cf::cede_to_tick;
		706	($src->[$_], Digest::MD5::md5_hex $data[$_])
		707	} 0.. $#$src;
		708
		709
		710	my $dbmd5 = db_get cache => "$id/md5";
		711	if ($dbmd5 eq $md5) {
		712	db_put cache => "$id/meta", $meta;
		713
		714	return db_get cache => "$id/data";
		715	}
		716	}
		717
		718	my $t1 = Time::HiRes::time;
		719	my $data = $process->(\@data);
		720	my $t2 = Time::HiRes::time;
		721
		722	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		723
		724	db_put cache => "$id/data", $data;
		725	db_put cache => "$id/md5" , $md5;
		726	db_put cache => "$id/meta", $meta;
		727
		728	return $data;
		729	}
		730
		731	db_get cache => "$id/data"
		732	}
		733
		734	=item cf::datalog type => key => value, ...
		735
		736	Log a datalog packet of the given type with the given key-value pairs.
		737
		738	=cut
		739
		740	sub datalog($@) {
		741	my ($type, %kv) = @_;
		742	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	743	}
385		744
386	=back	745	=back
387		746
388	=cut	747	=cut
389		748
390	#############################################################################	749	#############################################################################
391		750
392	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
393		752
394	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
397		756
398	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	759	Deliantra).
401		760
402	=over 4	761	=over 4
403		762
404	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
405		764
…		…
449	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
450		809
451	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
453		812
454	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
456		815
457	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
458		817
459	=over 4	818	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
569		928
570	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		933
575	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	935	my $pkg = shift @arg;
577		936
578	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
608	}	967	}
609		968
610	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
611	} else {	970	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	972	}
614		973
615	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
616	}	975	}
617		976
…		…
619	if (ref $_[0]) {	978	if (ref $_[0]) {
620	_object_attach @_;	979	_object_attach @_;
621	} else {	980	} else {
622	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
623	}	982	}
		983	_recalc_want;
624	};	984	};
625		985
626	# all those should be optimised	986	# all those should be optimised
627	sub cf::attachable::detach {	987	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
632	reattach ($obj);	992	reattach ($obj);
633	} else {	993	} else {
634	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
635	}	995	}
		996	_recalc_want;
636	};	997	};
637		998
638	sub cf::attachable::attached {	999	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
640		1001
…		…
655	";	1016	";
656	die if $@;	1017	die if $@;
657	}	1018	}
658		1019
659	our $override;	1020	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1021	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1022
662	sub override {	1023	sub override {
663	$override = 1;	1024	$override = 1;
664	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
665	}	1026	}
666		1027
667	sub do_invoke {	1028	sub do_invoke {
668	my $event = shift;	1029	my $event = shift;
669	my $callbacks = shift;	1030	my $callbacks = shift;
670		1031
671	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
672		1033
673	local $override;	1034	local $override;
674		1035
675	for (@$callbacks) {	1036	for (@$callbacks) {
676	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
685	}	1046	}
686		1047
687	0	1048	0
688	}	1049	}
689		1050
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1052
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1054
694	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
695		1056
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1057	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1058	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1060
700	=back	1061	=back
701		1062
702	=cut	1063	=cut
703		1064
704	#############################################################################	1065	#############################################################################
705	# object support	1066	# object support
		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
		1101	sub _can_merge {
		1102	my ($ob1, $ob2) = @_;
		1103
		1104	++$SLOW_MERGES;#d#
		1105
		1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
		1108	}
706		1109
707	sub reattach {	1110	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1112	my ($obj) = @_;
710		1113
		1114	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1116
713	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
714		1118
715	@$registry = ();	1119	@$registry = ();
716		1120
…		…
731	cf::attachable->attach (	1135	cf::attachable->attach (
732	prio => -1000000,	1136	prio => -1000000,
733	on_instantiate => sub {	1137	on_instantiate => sub {
734	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
735		1139
736	$data = from_json $data;	1140	$data = decode_json $data;
737		1141
738	for (@$data) {	1142	for (@$data) {
739	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
740		1144
741	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1161	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
759		1163
760	sync_job {	1164	sync_job {
761	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
764		1169
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1173	if ($cf::USE_FSYNC) {
		1174	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1175	aio_fsync $fh;
		1176	}
769	close $fh;	1177	aio_close $fh;
770		1178
771	if (@$objs) {	1179	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
777	close $fh;	1188	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
779	}	1190	}
780	} else {	1191	} else {
781	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
782	}	1193	}
783		1194
784	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1199	} else {
786	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
787	}	1201	}
788	} else {	1202	} else {
789	aio_unlink $filename;	1203	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
791	}	1205	}
792	}	1206	};
793	}	1207	}
794		1208
795	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
797		1211
…		…
809	or return;	1223	or return;
810		1224
811	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
813	or return;	1227	or return;
		1228
814	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
815	}	1231	}
816		1232
		1233	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
819	return ($data, $av);	1237	($data, $av)
820	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
821		1245
822	#############################################################################	1246	#############################################################################
823	# command handling &c	1247	# command handling &c
824		1248
825	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1263	}
840		1264
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1266
843	Register a callbackf ro execution when the client sends an extcmd packet.	1267	Register a callback for execution when the client sends an (synchronous)
		1268	extcmd packet. Ext commands will be processed in the order they are
		1269	received by the server, like other user commands. The first argument is
		1270	the logged-in player. Ext commands can only be processed after a player
		1271	has logged in successfully.
844		1272
845	If the callback returns something, it is sent back as if reply was being	1273	If the callback returns something, it is sent back as if reply was being
846	called.	1274	called.
847		1275
		1276	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1277
		1278	Register a callback for execution when the client sends an (asynchronous)
		1279	exticmd packet. Exti commands are processed by the server as soon as they
		1280	are received, i.e. out of order w.r.t. other commands. The first argument
		1281	is a client socket. Exti commands can be received anytime, even before
		1282	log-in.
		1283
		1284	If the callback returns something, it is sent back as if reply was being
		1285	called.
		1286
848	=cut	1287	=cut
849		1288
850	sub register_extcmd {	1289	sub register_extcmd {
851	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
852		1291
853	$EXTCMD{$name} = $cb;	1292	$EXTCMD{$name} = $cb;
854	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
855		1302
856	cf::player->attach (	1303	cf::player->attach (
857	on_command => sub {	1304	on_command => sub {
858	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
859		1306
…		…
867	cf::override;	1314	cf::override;
868	},	1315	},
869	on_extcmd => sub {	1316	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
871		1318
872	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1320
874	if (ref $msg) {	1321	if (ref $msg) {
		1322	my ($type, $reply, @payload) =
		1323	"ARRAY" eq ref $msg
		1324	? @$msg
		1325	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1326
		1327	my @reply;
		1328
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
880	} else {	1336	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1338	}
883		1339
884	cf::override;	1340	cf::override;
885	},	1341	},
886	);	1342	);
887		1343
		1344	# "readahead" all extensions
888	sub load_extension {	1345	sub cache_extensions {
889	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
890		1347
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1351	}
916	die $@;
917	}	1352	};
918		1353
919	push @EXTS, $pkg;	1354	$grp
920	}	1355	}
921		1356
922	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
923	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1362	next unless -r $path;
925	eval {	1363
926	load_extension $ext;	1364	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1365	my $base = $1;
		1366	my $pkg = $1;
		1367	$pkg =~ s/[^[:word:]]/_/g;
		1368	$pkg = "ext::$pkg";
		1369
		1370	open my $fh, "<:utf8", $path
		1371	or die "$path: $!";
		1372
		1373	my $source = do { local $/; <$fh> };
		1374
		1375	my %ext = (
		1376	path => $path,
		1377	base => $base,
		1378	pkg => $pkg,
		1379	);
		1380
		1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1383
		1384	$ext{source} =
		1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1386	. "#line 1 \"$path\"\n{\n"
		1387	. $source
		1388	. "\n};\n1";
		1389
		1390	$todo{$base} = \%ext;
		1391	}
		1392
		1393	my %done;
		1394	while (%todo) {
		1395	my $progress;
		1396
		1397	while (my ($k, $v) = each %todo) {
		1398	for (split /,\s*/, $v->{meta}{depends}) {
		1399	goto skip
		1400	unless exists $done{$_};
		1401	}
		1402
		1403	warn "... loading '$k' into '$v->{pkg}'\n";
		1404
		1405	unless (eval $v->{source}) {
		1406	my $msg = $@ ? "$v->{path}: $@\n"
		1407	: "$v->{base}: extension inactive.\n";
		1408
		1409	if (exists $v->{meta}{mandatory}) {
		1410	warn $msg;
		1411	cf::cleanup "mandatory extension failed to load, exiting.";
		1412	}
		1413
		1414	warn $msg;
		1415	}
		1416
		1417	$done{$k} = delete $todo{$k};
		1418	push @EXTS, $v->{pkg};
		1419	$progress = 1;
927	1	1420	}
928	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
929	}	1426	};
930	}	1427	}
931		1428
932	#############################################################################	1429	#############################################################################
933		1430
		1431	=back
		1432
934	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
935		1434
936	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
937		1436
938	=cut	1437	=cut
939		1438
940	package cf::player;	1439	package cf::player;
941		1440
…		…
943		1442
944	=head3 cf::player	1443	=head3 cf::player
945		1444
946	=over 4	1445	=over 4
947		1446
		1447	=item cf::player::num_playing
		1448
		1449	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1450
		1451	=cut
		1452
		1453	sub num_playing {
		1454	scalar grep
		1455	$_->ob->map
		1456	&& !$_->hidden
		1457	&& !$_->ob->flag (cf::FLAG_WIZ),
		1458	cf::player::list
		1459	}
		1460
948	=item cf::player::find $login	1461	=item cf::player::find $login
949		1462
950	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
951		1464
952	=cut	1465	=cut
953		1466
954	sub playerdir($) {	1467	sub playerdir($) {
955	cf::localdir	1468	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1469	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1470	}
961		1471
962	sub path($) {	1472	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1473	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1474
965	(playerdir $login) . "/$login.pl"	1475	(playerdir $login) . "/playerdata"
966	}	1476	}
967		1477
968	sub find_active($) {	1478	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1479	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1480	and $cf::PLAYER{$_[0]}->active
…		…
973		1483
974	sub exists($) {	1484	sub exists($) {
975	my ($login) = @_;	1485	my ($login) = @_;
976		1486
977	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
979	}	1489	}
980		1490
981	sub find($) {	1491	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1493	my $login = $_[0];
984		1494
985	my $guard = cf::lock_acquire "user_find:$login";	1495	my $guard = cf::lock_acquire "user_find:$login";
986		1496
987	$cf::PLAYER{$_[0]} || do {	1497	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1498	# rename old playerfiles to new ones
		1499	#TODO: remove when no longer required
		1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1503	aio_unlink +(playerdir $login) . "/$login.pl";
		1504
		1505	my $f = new_from_file cf::object::thawer path $login
989	or return;	1506	or return;
		1507
		1508	my $pl = cf::player::load_pl $f
		1509	or return;
		1510
		1511	local $cf::PLAYER_LOADING{$login} = $pl;
		1512	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
991	}	1514	}
992	}	1515	}
993	}	1516	}
994		1517
…		…
1003	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1004		1527
1005	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1007		1530
		1531	cf::get_slot 0.01;
		1532
1008	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1009	Coro::cede;	1534	cf::cede_to_tick;
1010	}	1535	}
1011		1536
1012	sub new($) {	1537	sub new($) {
1013	my ($login) = @_;	1538	my ($login) = @_;
1014		1539
…		…
1020	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1021		1546
1022	$self	1547	$self
1023	}	1548	}
1024		1549
		1550	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1551
		1552	=cut
		1553
		1554	sub send_msg {
		1555	my $ns = shift->ns
		1556	or return;
		1557	$ns->send_msg (@_);
		1558	}
		1559
1025	=item $pl->quit_character	1560	=item $pl->quit_character
1026		1561
1027	Nukes the player without looking back. If logged in, the connection will	1562	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1029		1564
…		…
1033	my ($pl) = @_;	1568	my ($pl) = @_;
1034		1569
1035	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1036		1571
1037	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1574
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1044		1581
1045	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1591	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1592
1056	IO::AIO::aio_rmtree $temp;	1593	IO::AIO::aio_rmtree $temp;
1057	}	1594	}
1058		1595
		1596	=item $pl->kick
		1597
		1598	Kicks a player out of the game. This destroys the connection.
		1599
		1600	=cut
		1601
		1602	sub kick {
		1603	my ($pl, $kicker) = @_;
		1604
		1605	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1606	$pl->killer ("kicked");
		1607	$pl->ns->destroy;
		1608	}
		1609
1059	=item cf::player::list_logins	1610	=item cf::player::list_logins
1060		1611
1061	Returns am arrayref of all valid playernames in the system, can take a	1612	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1613	while and may block, so not sync_job-capable, ever.
1063		1614
1064	=cut	1615	=cut
1065		1616
1066	sub list_logins {	1617	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1618	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1619	or return [];
1069		1620
1070	my @logins;	1621	my @logins;
1071		1622
1072	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
		1624	my $path = path $login;
		1625
		1626	# a .pst is a dead give-away for a valid player
		1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1074	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1075	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1076		1633
1077	utf8::decode $login;	1634	utf8::decode $login;
1078	push @logins, $login;	1635	push @logins, $login;
1079	}	1636	}
1080		1637
…		…
1107	}	1664	}
1108		1665
1109	\@paths	1666	\@paths
1110	}	1667	}
1111		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1113		1674
1114	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1115		1676
1116	=cut	1677	=cut
1117		1678
1118	sub ext_reply($$$%) {	1679	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1120		1681
1121	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1122
1123	$self->send ("ext " . cf::to_json \%msg);
1124	}	1683	}
1125		1684
1126	package cf;	1685	=item $player->ext_msg ($type, @msg)
		1686
		1687	Sends an ext event to the client.
		1688
		1689	=cut
		1690
		1691	sub ext_msg($$@) {
		1692	my ($self, $type, @msg) = @_;
		1693
		1694	$self->ns->ext_msg ($type, @msg);
		1695	}
		1696
		1697	=head3 cf::region
		1698
		1699	=over 4
		1700
		1701	=cut
		1702
		1703	package cf::region;
		1704
		1705	=item cf::region::find_by_path $path
		1706
		1707	Tries to decuce the likely region for a map knowing only its path.
		1708
		1709	=cut
		1710
		1711	sub find_by_path($) {
		1712	my ($path) = @_;
		1713
		1714	my ($match, $specificity);
		1715
		1716	for my $region (list) {
		1717	if ($region->{match} && $path =~ $region->{match}) {
		1718	($match, $specificity) = ($region, $region->specificity)
		1719	if $region->specificity > $specificity;
		1720	}
		1721	}
		1722
		1723	$match
		1724	}
1127		1725
1128	=back	1726	=back
1129
1130		1727
1131	=head3 cf::map	1728	=head3 cf::map
1132		1729
1133	=over 4	1730	=over 4
1134		1731
…		…
1146	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1147	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1148		1745
1149	sub generate_random_map {	1746	sub generate_random_map {
1150	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1750
1151	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1152	$self->_create_random_map (	1752	$self->_create_random_map (
1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1189	my ($self, $merge) = @_;	1789	my ($self, $merge) = @_;
1190		1790
1191	# we have to keep some variables in memory intact	1791	# we have to keep some variables in memory intact
1192	local $self->{path};	1792	local $self->{path};
1193	local $self->{load_path};	1793	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1794
1197	$self->SUPER::thawer_merge ($merge);	1795	$self->SUPER::thawer_merge ($merge);
1198	}	1796	}
1199		1797
1200	sub normalise {	1798	sub normalise {
…		…
1247	$self->init; # pass $1 etc.	1845	$self->init; # pass $1 etc.
1248	return $self;	1846	return $self;
1249	}	1847	}
1250	}	1848	}
1251		1849
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
1253	()	1851	()
1254	}	1852	}
1255		1853
1256	sub init {	1854	sub init {
1257	my ($self) = @_;	1855	my ($self) = @_;
…		…
1272		1870
1273	# the original (read-only) location	1871	# the original (read-only) location
1274	sub load_path {	1872	sub load_path {
1275	my ($self) = @_;	1873	my ($self) = @_;
1276		1874
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1875	"$MAPDIR/$self->{path}.map"
1278	}	1876	}
1279		1877
1280	# the temporary/swap location	1878	# the temporary/swap location
1281	sub save_path {	1879	sub save_path {
1282	my ($self) = @_;	1880	my ($self) = @_;
1283		1881
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1883	"$TMPDIR/$path.map"
1286	}	1884	}
1287		1885
1288	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1289	sub uniq_path {	1887	sub uniq_path {
1290	my ($self) = @_;	1888	my ($self) = @_;
1291		1889
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1891	"$UNIQUEDIR/$path"
1294	}	1892	}
1295		1893
1296	# and all this just because we cannot iterate over	1894	sub decay_objects {
1297	# all maps in C++...
1298	sub change_all_map_light {
1299	my ($change) = @_;	1895	my ($self) = @_;
1300		1896
1301	$_->change_map_light ($change)	1897	return if $self->{deny_reset};
1302	for grep $_->outdoor, values %cf::MAP;	1898
		1899	$self->do_decay_objects;
1303	}	1900	}
1304		1901
1305	sub unlink_save {	1902	sub unlink_save {
1306	my ($self) = @_;	1903	my ($self) = @_;
1307		1904
…		…
1312		1909
1313	sub load_header_from($) {	1910	sub load_header_from($) {
1314	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1315		1912
1316	utf8::encode $path;	1913	utf8::encode $path;
1317	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1318	# or return;
1319
1320	$self->_load_header ($path)
1321	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1322		1922
1323	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1324		1924
1325	1	1925	1
1326	}	1926	}
…		…
1365	$self->load_header_orig	1965	$self->load_header_orig
1366	or return;	1966	or return;
1367	$self->prepare_orig;	1967	$self->prepare_orig;
1368	}	1968	}
1369		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
		1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
1370	1	1976	1
1371	}	1977	}
1372		1978
1373	sub find;	1979	sub find;
1374	sub find {	1980	sub find {
1375	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1376		1982
1377	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1378		1984
		1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1379	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1380		1987
1381	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1382	my $guard = cf::lock_acquire "map_find:$path";
1383	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1384	or return;	1990	or return;
1385		1991
1386	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1387		1993
1388	$map->load_header	1994	$map->load_header
1389	or return;	1995	or return;
1390		1996
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1394	$map->reset;	2002	$map->reset;
1395	undef $guard;
1396	return find $path;	2003	return find $path;
1397	}	2004	}
1398		2005
1399	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
1400	}	2007	}
…		…
1407	my ($self) = @_;	2014	my ($self) = @_;
1408		2015
1409	local $self->{deny_reset} = 1; # loading can take a long time	2016	local $self->{deny_reset} = 1; # loading can take a long time
1410		2017
1411	my $path = $self->{path};	2018	my $path = $self->{path};
		2019
		2020	{
1412	my $guard = cf::lock_acquire "map_load:$path";	2021	my $guard = cf::lock_acquire "map_data:$path";
1413		2022
		2023	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2025
1416	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1417		2027
1418	$self->alloc;	2028	$self->alloc;
1419		2029
1420	$self->pre_load;	2030	$self->pre_load;
		2031	cf::cede_to_tick;
1421		2032
1422	$self->_load_objects ($self->{load_path}, 1)	2033	my $f = new_from_file cf::object::thawer $self->{load_path};
		2034	$f->skip_block;
		2035	$self->_load_objects ($f)
1423	or return;	2036	or return;
1424		2037
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1426	if delete $self->{load_original};	2039	if delete $self->{load_original};
1427		2040
1428	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;	2042	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1431	$self->clear_unique_items;	2045	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1433	}	2049	}
1434	}	2050	}
1435		2051
1436	Coro::cede;	2052	$f->resolve_delayed_derefs;
1437		2053
		2054	cf::cede_to_tick;
1438	# now do the right thing for maps	2055	# now do the right thing for maps
1439	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;
1446	$self->set_darkness_map;
1447	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	2058	unless $self->difficulty;
1449	Coro::cede;	2059	cf::cede_to_tick;
		2060
		2061	unless ($self->{deny_activate}) {
		2062	$self->decay_objects;
		2063	$self->fix_auto_apply;
		2064	$self->update_buttons;
		2065	cf::cede_to_tick;
1450	$self->activate;	2066	$self->activate;
		2067	}
		2068
		2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
		2071
		2072	$self->in_memory (cf::MAP_ACTIVE);
1451	}	2073	}
1452		2074
1453	$self->post_load;	2075	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	2076	}
1457		2077
1458	sub customise_for {	2078	sub customise_for {
1459	my ($self, $ob) = @_;	2079	my ($self, $ob) = @_;
1460		2080
1461	return find "~" . $ob->name . "/" . $self->{path}	2081	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	2082	if $self->per_player;
1463		2083
		2084	# return find "?party/" . $ob->name . "/" . $self->{path}
		2085	# if $self->per_party;
		2086
1464	$self	2087	$self
1465	}	2088	}
1466		2089
1467	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1468	sub load_diag {	2091	sub load_neighbours {
1469	my ($map) = @_;	2092	my ($map) = @_;
1470		2093
1471	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1472		2095
1473	for (0 .. 3) {	2096	for (0 .. 3) {
1474	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1475	or next;	2098	or next;
1476	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1477	or next;	2100	or next;
1478	$neigh->load;	2101	$neigh->load;
1479		2102
		2103	push @neigh,
1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1482	}	2106	}
1483		2107
1484	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1485	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1486	or next;	2111	or next;
1487	$neigh->load;	2112	$neigh->load;
1488	}	2113	}
1489	}	2114	}
1490		2115
…		…
1495	}	2120	}
1496		2121
1497	sub do_load_sync {	2122	sub do_load_sync {
1498	my ($map) = @_;	2123	my ($map) = @_;
1499		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1500	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1501	}	2129	}
1502		2130
1503	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
1504	our $MAP_PREFETCHER = undef;	2132	our $MAP_PREFETCHER = undef;
1505		2133
1506	sub find_async {	2134	sub find_async {
1507	my ($path, $origin) = @_;	2135	my ($path, $origin, $load) = @_;
1508		2136
1509	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
1510		2138
1511	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1513	}	2141	}
1514		2142
1515	undef $MAP_PREFETCH{$path};	2143	$MAP_PREFETCH{$path} |= $load;
		2144
1516	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
1517	while (%MAP_PREFETCH) {	2148	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	2149	while (my ($k, $v) = each %MAP_PREFETCH) {
1519	my $map = find $path	2150	if (my $map = find $k) {
1520	or next;
1521	$map->load;	2151	$map->load if $v;
		2152	}
1522		2153
1523	delete $MAP_PREFETCH{$path};	2154	delete $MAP_PREFETCH{$k};
1524	}	2155	}
1525	}	2156	}
1526	undef $MAP_PREFETCHER;	2157	undef $MAP_PREFETCHER;
1527	};	2158	};
1528	$MAP_PREFETCHER->prio (6);	2159	$MAP_PREFETCHER->prio (6);
…		…
1531	}	2162	}
1532		2163
1533	sub save {	2164	sub save {
1534	my ($self) = @_;	2165	my ($self) = @_;
1535		2166
1536	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1537		2168
1538	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1539		2170
1540	return unless $self->dirty;	2171	return unless $self->dirty;
1541		2172
…		…
1547	return if $self->{deny_save};	2178	return if $self->{deny_save};
1548		2179
1549	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1550		2181
1551	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1552	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1553	};	2185	};
		2186
		2187	cf::get_slot 0.02;
1554		2188
1555	if ($uniq) {	2189	if ($uniq) {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1558	} else {	2192	} else {
…		…
1564	my ($self) = @_;	2198	my ($self) = @_;
1565		2199
1566	# save first because save cedes	2200	# save first because save cedes
1567	$self->save;	2201	$self->save;
1568		2202
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2204
1571	return if $self->players;	2205	return if $self->players;
1572	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1573	return if $self->{deny_save};	2207	return if $self->{deny_save};
1574		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1575	$self->clear;	2213	$self->clear;
1576	$self->in_memory (cf::MAP_SWAPPED);
1577	}	2214	}
1578		2215
1579	sub reset_at {	2216	sub reset_at {
1580	my ($self) = @_;	2217	my ($self) = @_;
1581		2218
1582	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1585		2221
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2224
…		…
1599	my ($self) = @_;	2235	my ($self) = @_;
1600		2236
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2238
1603	return if $self->players;	2239	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2240
1606	warn "resetting map ", $self->path;#d#	2241	warn "resetting map ", $self->path, "\n";
1607		2242
1608	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
1609		2244
1610	# need to save uniques path	2245	# need to save uniques path
1611	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
1615	if $uniq;	2250	if $uniq;
1616	}	2251	}
1617		2252
1618	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1619		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1620	$self->clear;	2257	$self->clear;
1621
1622	$_->clear_links_to ($self) for values %cf::MAP;
1623		2258
1624	$self->unlink_save;	2259	$self->unlink_save;
1625	$self->destroy;	2260	$self->destroy;
1626	}	2261	}
1627		2262
1628	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1629		2264
1630	sub nuke {	2265	sub nuke {
1631	my ($self) = @_;	2266	my ($self) = @_;
1632		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
1633	delete $cf::MAP{$self->path};	2271	delete $cf::MAP{$self->path};
1634		2272
1635	$self->unlink_save;	2273	$self->unlink_save;
1636		2274
1637	bless $self, "cf::map";	2275	bless $self, "cf::map";
1638	delete $self->{deny_reset};	2276	delete $self->{deny_reset};
1639	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1640	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642		2280
1643	$cf::MAP{$self->path} = $self;	2281	$cf::MAP{$self->path} = $self;
		2282	}
1644		2283
1645	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
		2285	}
		2286
		2287	=item $maps = cf::map::tmp_maps
		2288
		2289	Returns an arrayref with all map paths of currently instantiated and saved
		2290	maps. May block.
		2291
		2292	=cut
		2293
		2294	sub tmp_maps() {
		2295	[
		2296	map {
		2297	utf8::decode $_;
		2298	/\.map$/
		2299	? normalise $_
		2300	: ()
		2301	} @{ aio_readdir $TMPDIR or [] }
		2302	]
		2303	}
		2304
		2305	=item $maps = cf::map::random_maps
		2306
		2307	Returns an arrayref with all map paths of currently instantiated and saved
		2308	random maps. May block.
		2309
		2310	=cut
		2311
		2312	sub random_maps() {
		2313	[
		2314	map {
		2315	utf8::decode $_;
		2316	/\.map$/
		2317	? normalise "?random/$_"
		2318	: ()
		2319	} @{ aio_readdir $RANDOMDIR or [] }
		2320	]
1646	}	2321	}
1647		2322
1648	=item cf::map::unique_maps	2323	=item cf::map::unique_maps
1649		2324
1650	Returns an arrayref of paths of all shared maps that have	2325	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2326	instantiated unique items. May block.
1652		2327
1653	=cut	2328	=cut
1654		2329
1655	sub unique_maps() {	2330	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2331	[
1657	or return;	2332	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2333	utf8::decode $_;
1663	next if /\.pst$/;	2334	s/\.map$//; # TODO future compatibility hack
1664	next unless /^$PATH_SEP/o;	2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1665		2336	? ()
1666	push @paths, cf::map::normalise $_;	2337	: normalise $_
		2338	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2339	]
1668
1669	\@paths
1670	}	2340	}
1671
1672	package cf;
1673		2341
1674	=back	2342	=back
1675		2343
1676	=head3 cf::object	2344	=head3 cf::object
1677		2345
…		…
1681		2349
1682	=over 4	2350	=over 4
1683		2351
1684	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1685		2353
1686	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
1687		2356
1688	=cut	2357	=cut
1689		2358
1690	sub inv_recursive_;	2359	sub inv_recursive_;
1691	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1694		2363
1695	sub inv_recursive {	2364	sub inv_recursive {
1696	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1697	}	2366	}
1698		2367
		2368	=item $ref = $ob->ref
		2369
		2370	Creates and returns a persistent reference to an object that can be stored as a string.
		2371
		2372	=item $ob = cf::object::deref ($refstring)
		2373
		2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2375	even if the object actually exists. May block.
		2376
		2377	=cut
		2378
		2379	sub deref {
		2380	my ($ref) = @_;
		2381
		2382	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2383	my ($uuid, $name) = ($1, $2);
		2384	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2385	or return;
		2386	$pl->ob->uuid eq $uuid
		2387	or return;
		2388
		2389	$pl->ob
		2390	} else {
		2391	warn "$ref: cannot resolve object reference\n";
		2392	undef
		2393	}
		2394	}
		2395
1699	package cf;	2396	package cf;
1700		2397
1701	=back	2398	=back
1702		2399
1703	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1709	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2406	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1710	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
1711	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1712		2409
1713	=cut	2410	=cut
		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
1714		2425
1715	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1716	# with dialog boxes.	2427	# with dialog boxes.
1717	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
1718	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1720		2431
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2433
1723	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1725	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1728	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1729	}	2459	}
1730		2460
1731	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1732		2462
1733	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1746		2476
1747	=item $player_object->enter_link	2477	=item $player_object->enter_link
1748		2478
1749	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
1750		2480
1751	The player should be reasonably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
1752	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
1753		2485
1754	Will never block.	2486	Will never block.
1755		2487
1756	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1757		2489
…		…
1780	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1781		2513
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2515
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1786		2518
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1788	}	2520	}
1789		2521
1790	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1792		2526
1793	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1794		2528
1795	unless ($map) {	2529	unless ($map) {
1796	# restore original map position	2530	# restore original map position
…		…
1810	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1811	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1812	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1813		2547
1814	$map->load;	2548	$map->load;
1815	$map->load_diag;	2549	$map->load_neighbours;
1816		2550
1817	return unless $self->contr->active;	2551	return unless $self->contr->active;
1818	$self->activate_recursive;
1819		2552
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
1822	}
1823		2555
1824	cf::player->attach (	2556	# only activate afterwards, to support waiting in hooks
1825	on_logout => sub {	2557	$self->activate_recursive;
1826	my ($pl) = @_;	2558	}
1827		2559
1828	# abort map switching before logout	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	if ($pl->ob->{_link_pos}) {
1830	cf::sync_job {
1831	$pl->ob->leave_link
1832	};
1833	}
1834	},
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2561
1838	# try to abort aborted map switching on player login :)	2562	Moves the player to the given map-path and coordinates by first freezing
1839	# should happen only on crashes	2563	her, loading and preparing them map, calling the provided $check callback
1840	if ($pl->ob->{_link_pos}) {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1841	$pl->ob->enter_link;	2565	the new (success) or old (failed) map position. In either case, $done will
1842	(async {	2566	be called at the end of this process.
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855		2567
1856	=item $player_object->goto ($path, $x, $y)	2568	Note that $check will be called with a potentially non-loaded map, so if
		2569	it needs a loaded map it has to call C<< ->load >>.
1857		2570
1858	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1859		2574
1860	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
		2577
		2578	# do generation counting so two concurrent goto's will be executed in-order
		2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2580
1863	$self->enter_link;	2581	$self->enter_link;
1864		2582
1865	(async {	2583	(async {
		2584	$Coro::current->{desc} = "player::goto $path $x $y";
		2585
		2586	# *tag paths override both path and x|y
		2587	if ($path =~ /^\*(.*)$/) {
		2588	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2589	my $ob = $obs[rand @obs];
		2590
		2591	# see if we actually can go there
		2592	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2593	$ob = $obs[rand @obs];
		2594	} else {
		2595	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597	# else put us there anyways for now #d#
		2598
		2599	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2600	} else {
		2601	($path, $x, $y) = (undef, undef, undef);
		2602	}
		2603	}
		2604
1866	my $map = eval {	2605	my $map = eval {
1867	my $map = cf::map::find $path;	2606	my $map = defined $path ? cf::map::find $path : undef;
		2607
		2608	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2609	$map = $map->customise_for ($self);
		2610	$map = $check->($map) if $check && $map;
		2611	} else {
		2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	}
		2614
1869	$map	2615	$map
		2616	};
		2617
		2618	if ($@) {
		2619	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2620	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2621	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2622
		2623	if ($gen == $self->{_goto_generation}) {
		2624	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1874	})->prio (1);	2629	})->prio (1);
1875	}	2630	}
1876		2631
1877	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1878		2633
…		…
1898	}	2653	}
1899		2654
1900	sub prepare_random_map {	2655	sub prepare_random_map {
1901	my ($exit) = @_;	2656	my ($exit) = @_;
1902		2657
1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1904
1905	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
1906	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
1907	# that depends on the exit object	2660	# that depends on the exit object
1908		2661
1909	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
1911	if ($exit->map) {	2664	if ($exit->map) {
1912	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
1913	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
1914	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
1915	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
1916	}	2671	}
1917		2672
1918	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
1919		2674
1920	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1921	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
1923		2678
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2681	undef $fh;
1927	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
1928		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
1929	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
1930	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
1931	}	2690	}
1932	}	2691	}
1933		2692
1934	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
1935	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
1936		2695
1937	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
1938		2697
1939	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
1941	cf::sync_job { prepare_random_map $exit };
1942	}
1943
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;
1947
1948	$self->enter_link;	2698	$self->enter_link;
1949		2699
1950	(async {	2700	(async {
1951	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
1952	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
		2710	prepare_random_map $exit
		2711	if $exit->slaying eq "/!";
		2712	}
		2713
		2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
		2717
1953	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
1954		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
1955	1;	2724	1
1956	}) {	2725	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
1958	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2730
1962	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
1963	$self->leave_link;	2732	$self->leave_link;
1964	}	2733	}
1965	})->prio (1);	2734	})->prio (1);
…		…
1978		2747
1979	sub cf::client::send_drawinfo {	2748	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2749	my ($self, $text, $flags) = @_;
1981		2750
1982	utf8::encode $text;	2751	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2753	}
1985		2754
		2755	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2756
		2757	Send a drawinfo or msg packet to the client, formatting the msg for the
		2758	client if neccessary. C<$type> should be a string identifying the type of
		2759	the message, with C<log> being the default. If C<$color> is negative, suppress
		2760	the message unless the client supports the msg packet.
		2761
		2762	=cut
		2763
		2764	# non-persistent channels (usually the info channel)
		2765	our %CHANNEL = (
		2766	"c/identify" => {
		2767	id => "infobox",
		2768	title => "Identify",
		2769	reply => undef,
		2770	tooltip => "Items recently identified",
		2771	},
		2772	"c/examine" => {
		2773	id => "infobox",
		2774	title => "Examine",
		2775	reply => undef,
		2776	tooltip => "Signs and other items you examined",
		2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
		2784	"c/lookat" => {
		2785	id => "infobox",
		2786	title => "Look",
		2787	reply => undef,
		2788	tooltip => "What you saw there",
		2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
		2864	);
		2865
		2866	sub cf::client::send_msg {
		2867	my ($self, $channel, $msg, $color, @extra) = @_;
		2868
		2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel);
		2879	$channel = $channel->{id};
		2880
		2881	} elsif (ref $channel) {
		2882	# send meta info to client, if not yet sent
		2883	unless (exists $self->{channel}{$channel->{id}}) {
		2884	$self->{channel}{$channel->{id}} = $channel;
		2885	$self->ext_msg (channel_info => $channel);
		2886	}
		2887
		2888	$channel = $channel->{id};
		2889	}
		2890
		2891	return unless @extra || length $msg;
		2892
		2893	# default colour, mask it out
		2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2895	if $color & cf::NDI_DEF;
		2896
		2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
		2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2900	);
		2901
		2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
		2905
		2906	# split very large packets
		2907	if (8192 < length $pkt and $self->{can_lzf}) {
		2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2909	$pkt = "frag";
		2910	}
		2911
		2912	$self->send_packet ($pkt);
		2913	}
		2914
		2915	=item $client->ext_msg ($type, @msg)
		2916
		2917	Sends an ext event to the client.
		2918
		2919	=cut
		2920
		2921	sub cf::client::ext_msg($$@) {
		2922	my ($self, $type, @msg) = @_;
		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
		2927	push @msg, msgtype => "event_$type";
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
		2931
		2932	=item $client->ext_reply ($msgid, @msg)
		2933
		2934	Sends an ext reply to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_reply($$@) {
		2939	my ($self, $id, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2943	} elsif ($self->extcmd == 1) {
		2944	#TODO: version 1, remove
		2945	unshift @msg, msgtype => "reply", msgid => $id;
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
		2948	}
1986		2949
1987	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
1988		2951
1989	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2953	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2954	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		2955
1993	Queries can fail, so check the return code. Or don't, as queries will become	2956	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	2957	become reliable at some point in the future.
1995		2958
1996	=cut	2959	=cut
1997		2960
1998	sub cf::client::query {	2961	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	2970	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		2972
2010	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
2012	}	2977	}
2013		2978
2014	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
2015	on_reply => sub {	2985	on_reply => sub {
2016	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
2017		2987
2018	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
2019	# get handled first	2989	# get handled first
…		…
2031	} else {	3001	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	3003	}
2034	}	3004	}
2035	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($ns, $buf) = @_;
		3008
		3009	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3010
		3011	if (ref $msg) {
		3012	my ($type, $reply, @payload) =
		3013	"ARRAY" eq ref $msg
		3014	? @$msg
		3015	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3016
		3017	my @reply;
		3018
		3019	if (my $cb = $EXTICMD{$type}) {
		3020	@reply = $cb->($ns, @payload);
		3021	}
		3022
		3023	$ns->ext_reply ($reply, @reply)
		3024	if $reply;
		3025
		3026	} else {
		3027	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3028	}
		3029
		3030	cf::override;
		3031	},
2036	);	3032	);
2037		3033
2038	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
2039		3035
2040	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
2081	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
2083		3079
2084	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
2085		3081
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
2087		3087
2088	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
2089		3089
2090	=pod	3090	=pod
2091		3091
2092	The following fucntions and emthods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2093		3093
2094	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
2095	cf::object::player player	3099	cf::object::player
2096	cf::player peaceful	3100	player
2097	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
2098		3107
2099	=cut	3108	=cut
2100		3109
2101	for (	3110	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
2103	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2105	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2106	) {	3117	) {
2107	no strict 'refs';	3118	no strict 'refs';
2108	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2109	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2126	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2127		3138
2128	my $qcode = $code;	3139	my $qcode = $code;
2129	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2130	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2131		3144
2132	local $_;	3145	local $_;
2133	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2134		3147
2135	my $eval =	3148	my $eval =
…		…
2178	=back	3191	=back
2179		3192
2180	=cut	3193	=cut
2181		3194
2182	#############################################################################	3195	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253
2254	#############################################################################
2255	# the server's init and main functions	3196	# the server's init and main functions
2256		3197
2257	sub init_resources {	3198	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3206
		3207	warn "loading facedata from $path\n";
		3208
		3209	my $facedata;
		3210	0 < aio_load $path, $facedata
		3211	or die "$path: $!";
		3212
		3213	$facedata = Coro::Storable::thaw $facedata;
		3214
		3215	$facedata->{version} == 2
		3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
		3225	{
		3226	my $faces = $facedata->{faceinfo};
		3227
		3228	while (my ($face, $info) = each %$faces) {
		3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
		3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
		3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3235
		3236	cf::cede_to_tick;
		3237	}
		3238
		3239	while (my ($face, $info) = each %$faces) {
		3240	next unless $info->{smooth};
		3241
		3242	my $idx = cf::face::find $face
		3243	or next;
		3244
		3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
		3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3248	} else {
		3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	{
		3257	my $anims = $facedata->{animinfo};
		3258
		3259	while (my ($anim, $info) = each %$anims) {
		3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3261	cf::cede_to_tick;
		3262	}
		3263
		3264	cf::anim::invalidate_all; # d'oh
		3265	}
		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
		3302	1
		3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
		3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
		3348	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	3349	or die "unable to load regions file\n";
2260	}
2261		3350
2262	sub cfg_load {	3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
		3355	}
		3356
		3357	sub reload_facedata {
		3358	load_facedata "$DATADIR/facedata"
		3359	or die "unable to load facedata\n";
		3360	}
		3361
		3362	sub reload_archetypes {
		3363	load_resource_file "$DATADIR/archetypes"
		3364	or die "unable to load archetypes\n";
		3365	}
		3366
		3367	sub reload_treasures {
		3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
		3370	}
		3371
		3372	sub reload_resources {
		3373	warn "reloading resource files...\n";
		3374
		3375	reload_facedata;
		3376	reload_archetypes;
		3377	reload_regions;
		3378	reload_treasures;
		3379
		3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	3385	or return;
2265		3386
2266	local $/;	3387	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2268		3389
2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2270		3391
2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2278	};	3399	};
2279	warn $@ if $@;	3400	warn $@ if $@;
2280	}	3401	}
2281	}	3402	}
2282		3403
2283	sub init {	3404	sub pidfile() {
2284	init_resources;	3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
2285	}	3430	}
2286		3431
2287	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
2288	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2291	(async {	3450	(async {
2292	Event::one_event;	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
2293	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
2294	};	3454	};
2295		3455
2296	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
2297	db_init;	3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
2298	load_extensions;	3474	load_extensions;
2299		3475
2300	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
2301	Event::loop;	3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
2302	}	3486	}
2303		3487
2304	#############################################################################	3488	#############################################################################
2305	# initialisation and cleanup	3489	# initialisation and cleanup
2306		3490
2307	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2308	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2309	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2310	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2311	reentrant => 0,
2312	data => WF_AUTOCANCEL,
2313	signal => $signal,
2314	prio => 0,
2315	cb => sub {
2316	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2317	},
2318	);	3497	};
		3498	}
		3499	}
		3500
		3501	sub write_runtime_sync {
		3502	# first touch the runtime file to show we are still running:
		3503	# the fsync below can take a very very long time.
		3504
		3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3506
		3507	my $guard = cf::lock_acquire "write_runtime";
		3508
		3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = $cf::RUNTIME + 90 + 10;
		3513	# 10 is the runtime save interval, for a monotonic clock
		3514	# 60 allows for the watchdog to kill the server.
		3515
		3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3517	and return;
		3518
		3519	# always fsync - this file is important
		3520	aio_fsync $fh
		3521	and return;
		3522
		3523	# touch it again to show we are up-to-date
		3524	aio_utime $fh, undef, undef;
		3525
		3526	close $fh
		3527	or return;
		3528
		3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3530	and return;
		3531
		3532	warn "runtime file written.\n";
		3533
2319	}	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
2320	}	3585	}
2321		3586
2322	sub emergency_save() {	3587	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2324		3589
2325	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2326		3591
2327	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
2328	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2329	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2330	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2331	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2332	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2333	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2334	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2335	$pl->save;	3606	$pl->save;
2336	}	3607	}
2337	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2338		3609
2339	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2340	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2341	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2342	$map->valid or next;	3613	$map->valid or next;
2343	$map->save;	3614	$map->save;
2344	}	3615	}
2345	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
2346		3617
2347	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
2348	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
2349	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
2350	};	3625	};
2351		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
2352	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2353	}	3633	}
2354		3634
2355	sub post_cleanup {	3635	sub post_cleanup {
2356	my ($make_core) = @_;	3636	my ($make_core) = @_;
2357		3637
2358	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3639	if $make_core;
2360	}
2361		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
		3669	}
		3670
2362	sub reload() {	3671	sub do_reload_perl() {
2363	# can/must only be called in main	3672	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
2366	return;	3675	return;
2367	}	3676	}
2368		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2369	warn "reloading...";	3683	warn "reloading...";
2370		3684
2371	warn "entering sync_job";	3685	warn "entering sync_job";
2372		3686
2373	cf::sync_job {	3687	cf::sync_job {
2374	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
2375	cf::emergency_save;	3689	cf::emergency_save;
2376	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
2377		3691
2378	warn "syncing database to disk";	3692	warn "syncing database to disk";
2379	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2380		3694
2381	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
2382		3696
2383	warn "cancelling all WF_AUTOCANCEL watchers";
2384	for (Event::all_watchers) {
2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2386	}
2387
2388	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
2389	for (;;) {
2390	BDB::flush;
2391	IO::AIO::flush;
2392	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2394	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2395	}
2396
2397	warn "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();
2400
2401	warn "removing commands";
2402	%COMMAND = ();
2403
2404	warn "removing ext commands";
2405	%EXTCMD = ();
2406
2407	warn "unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";
2410
2411	if (my $cb = $pkg->can ("unload")) {
2412	eval {
2413	$cb->($pkg);
2414	1
2415	} or warn "$pkg unloaded, but with errors: $@";
2416	}	3700	}
2417		3701
2418	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
2419	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
2420	}	3704	%EXT_CORO = ();
2421		3705
2422	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
2423	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2425		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2426	warn "... unloading $k";	3715	warn "... unloading $pkg";
2427	delete $INC{$k};
2428		3716
2429	$k =~ s/\.pm$//;
2430	$k =~ s/\//::/g;
2431
2432	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2433	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2434	}	3726	}
2435		3727
2436	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
2437	}	3743	}
2438		3744
2439	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2440	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		3748
2443	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
		3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2445		3752
2446	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2447	# and global variables created in xs	3754	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2449		3756
2450	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
2451		3758
2452	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2453	require cf;	3760	require cf;
2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2455		3762
2456	warn "loading config and database again";	3763	warn "loading config and database again";
2457	cf::cfg_load;	3764	cf::reload_config;
2458		3765
2459	warn "loading extensions";	3766	warn "loading extensions";
2460	cf::load_extensions;	3767	cf::load_extensions;
2461		3768
		3769	if ($REATTACH_ON_RELOAD) {
2462	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2463	_global_reattach;	3771	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
		3774	warn "reattaching attachments to players";
		3775	reattach $_ for values %PLAYER;
		3776	}
2466		3777
2467	warn "loading reloadable resources";	3778	warn "running post_init jobs";
2468	init_resources;	3779	(pop @POST_INIT)->(1) while @POST_INIT;
2469		3780
2470	warn "leaving sync_job";	3781	warn "leaving sync_job";
2471		3782
2472	1	3783	1
2473	} or do {	3784	} or do {
2474	warn $@;	3785	warn $@;
2475	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
2476	exit 1;	3787	};
		3788
		3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
		3795	};
		3796
		3797	our $RELOAD_WATCHER; # used only during reload
		3798
		3799	sub reload_perl() {
		3800	# doing reload synchronously and two reloads happen back-to-back,
		3801	# coro crashes during coro_state_free->destroy here.
		3802
		3803	$RELOAD_WATCHER ||= cf::async {
		3804	Coro::AIO::aio_wait cache_extensions;
		3805
		3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3807	do_reload_perl;
		3808	undef $RELOAD_WATCHER;
		3809	};
2477	};	3810	};
2478		3811	}
2479	warn "reloaded";
2480	};
2481
2482	our $RELOAD_WATCHER; # used only during reload
2483		3812
2484	register_command "reload" => sub {	3813	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2486		3815
2487	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	3817	$who->message ("reloading server.");
2489		3818	async {
2490	# doing reload synchronously and two reloads happen back-to-back,	3819	$Coro::current->{desc} = "perl_reload";
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;	3820	reload_perl;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);	3821	};
2502	}	3822	}
2503	};	3823	};
2504		3824
2505	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2506		3826
2507	my $bug_warning = 0;	3827	my $bug_warning = 0;
2508		3828
2509	$TICK_WATCHER = Event->timer (	3829	our @WAIT_FOR_TICK;
2510	reentrant => 0,	3830	our @WAIT_FOR_TICK_BEGIN;
2511	parked => 1,	3831
2512	prio => 0,	3832	sub wait_for_tick {
2513	at => $NEXT_TICK || $TICK,	3833	return if tick_inhibit || $Coro::current == $Coro::main;
2514	data => WF_AUTOCANCEL,	3834
2515	cb => sub {	3835	my $signal = new Coro::Signal;
		3836	push @WAIT_FOR_TICK, $signal;
		3837	$signal->wait;
		3838	}
		3839
		3840	sub wait_for_tick_begin {
		3841	return if tick_inhibit || $Coro::current == $Coro::main;
		3842
		3843	my $signal = new Coro::Signal;
		3844	push @WAIT_FOR_TICK_BEGIN, $signal;
		3845	$signal->wait;
		3846	}
		3847
		3848	sub tick {
2516	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
2519	return;	3852	return;
2520	}	3853	}
2521		3854
2522	$NOW = Event::time;
2523
2524	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2525	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;
2527		3856
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2530	Coro::async_pool {	3859	Coro::async_pool {
		3860	$Coro::current->{desc} = "runtime saver";
2531	write_runtime	3861	write_runtime_sync
2532	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2533	};
2534	}	3863	};
2535
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#
2541
2542	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2544
2545	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;
2547	},	3864	}
2548	);	3865
		3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3867	$sig->send;
		3868	}
		3869	while (my $sig = shift @WAIT_FOR_TICK) {
		3870	$sig->send;
		3871	}
		3872
		3873	$LOAD = ($NOW - $TICK_START) / $TICK;
		3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3875
		3876	if (0) {
		3877	if ($NEXT_TICK) {
		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
		3882	}
		3883	}
2549		3884
2550	{	3885	{
2551	BDB::max_poll_time $TICK * 0.1;	3886	# configure BDB
2552	$BDB_POLL_WATCHER = Event->io (	3887
2553	reentrant => 0,
2554	fd => BDB::poll_fileno,
2555	poll => 'r',
2556	prio => 0,
2557	data => WF_AUTOCANCEL,
2558	cb => \&BDB::poll_cb,
2559	);
2560	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
2561		3889	BDB::max_poll_reqs $TICK * 0.1;
2562	BDB::set_sync_prepare {	3890	$AnyEvent::BDB::WATCHER->priority (1);
2563	my $status;
2564	my $current = $Coro::current;
2565	(
2566	sub {
2567	$status = $!;
2568	$current->ready; undef $current;
2569	},
2570	sub {
2571	Coro::schedule while defined $current;
2572	$! = $status;
2573	},
2574	)
2575	};
2576		3891
2577	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
2578	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
		3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2579		3899
2580	cf::sync_job {	3900	cf::sync_job {
2581	eval {	3901	eval {
2582	BDB::db_env_open	3902	BDB::db_env_open
2583	$DB_ENV,	3903	$DB_ENV,
2584	$BDB_ENV_DIR,	3904	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3905	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	3907	0666;
2588		3908
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;
2593	};	3910	};
2594		3911
2595	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
2596	};	3913	};
2597	}	3914	}
		3915
		3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3918	};
		3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3921	};
		3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3924	};
2598	}	3925	}
2599		3926
2600	{	3927	{
		3928	# configure IO::AIO
		3929
2601	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
2602
2603	undef $Coro::AIO::WATCHER;
2604	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
2605	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	fd => IO::AIO::poll_fileno,
2609	poll => 'r',
2610	prio => 6,
2611	cb => \&IO::AIO::poll_cb,
2612	);
2613	}	3933	}
		3934
		3935	my $_log_backtrace;
		3936
		3937	sub _log_backtrace {
		3938	my ($msg, @addr) = @_;
		3939
		3940	$msg =~ s/\n//;
		3941
		3942	# limit the # of concurrent backtraces
		3943	if ($_log_backtrace < 2) {
		3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
		3946	async {
		3947	$Coro::current->{desc} = "abt $msg";
		3948
		3949	my @bt = fork_call {
		3950	@addr = map { sprintf "%x", $_ } @addr;
		3951	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3952	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3953	or die "addr2line: $!";
		3954
		3955	my @funcs;
		3956	my @res = <$fh>;
		3957	chomp for @res;
		3958	while (@res) {
		3959	my ($func, $line) = splice @res, 0, 2, ();
		3960	push @funcs, "[$func] $line";
		3961	}
		3962
		3963	@funcs
		3964	};
		3965
		3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3968	LOG llevInfo, "[ABT] $_\n" for @bt;
		3969	--$_log_backtrace;
		3970	};
		3971	} else {
		3972	LOG llevInfo, "[ABT] $msg\n";
		3973	LOG llevInfo, "[ABT] [suppressed]\n";
		3974	}
		3975	}
		3976
		3977	# load additional modules
		3978	require "cf/$_.pm" for @EXTRA_MODULES;
2614		3979
2615	END { cf::emergency_save }	3980	END { cf::emergency_save }
2616		3981
2617	1	3982	1
2618		3983

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines