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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	107	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
54		114
55	our %CFG;	115	our %CFG;
56		116
57	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
59		120
60	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		124
68	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
71	binmode STDOUT;	135	binmode STDOUT;
72	binmode STDERR;	136	binmode STDERR;
73		137
74	# read virtual server time, if available	138	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
79	}	143	}
80		144
81	mkdir cf::localdir;	145	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		147
87	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
88		149
89	sub cf::map::normalise;	150	sub cf::map::normalise;
90		151
…		…
101	=item $cf::RUNTIME	162	=item $cf::RUNTIME
102		163
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	165	every server tick.
105		166
106	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		170
108	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
110		175
111	=item $cf::NOW	176	=item $cf::NOW
112		177
113	The time of the last (current) server tick.	178	The time of the last (current) server tick.
114		179
115	=item $cf::TICK	180	=item $cf::TICK
116		181
117	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
118		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
119	=item %cf::CFG	194	=item %cf::CFG
120		195
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	197	from wherever your confdir points to.
123		198
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		200
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	202	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
130		210
131	=back	211	=back
132		212
133	=cut	213	=cut
134		214
135	BEGIN {	215	BEGIN {
136	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	217	my $msg = join "", @_;
138	utf8::encode $msg;
139		218
140	$msg .= "\n"	219	$msg .= "\n"
141	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
142		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
143	LOG llevError, $msg;	224	LOG llevError, $msg;
144	};	225	};
145	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
146		242
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		250
154	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	252	# within the Safe compartment.
156	for my $pkg (qw(	253	for my $pkg (qw(
157	cf::global cf::attachable	254	cf::global cf::attachable
158	cf::object cf::object::player	255	cf::object cf::object::player
159	cf::client cf::player	256	cf::client cf::player
160	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
161	cf::map cf::party cf::region	259	cf::party cf::region
162	)) {	260	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	262	}
166		263
167	$Event::DIED = sub {	264	$EV::DIED = sub {
168	warn "error in event callback: @_";	265	warn "error in event callback: @_";
169	};	266	};
		267
		268	#############################################################################
170		269
171	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
172		271
173	=over 4	272	=over 4
174		273
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	293	$d
195	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
196	}	295	}
197		296
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
201		298
202	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
203		300
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
212		302
213	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
214		304
215	=cut	305	=cut
216		306
217	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
219	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
220	}	324	}
221		325
222	=item cf::lock_wait $string	326	=item cf::lock_wait $string
223		327
224	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
228	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
231	returned.	335	returned.
232		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
233	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
235		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
236	=cut	347	=cut
237		348
238	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
239		351
240	sub lock_wait($) {	352	sub lock_wait($) {
241	my ($key) = @_;	353	my ($key) = @_;
242		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
243	# wait for lock, if any	360	# wait for lock, if any
244	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
245	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	364	Coro::schedule;
247	}	365	}
248	}	366	}
249		367
…		…
252		370
253	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
254	lock_wait $key;	372	lock_wait $key;
255		373
256	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
257		376
258	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
261	}	381	}
262	}	382	}
263		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
264	sub freeze_mainloop {	390	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
266		392
267	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	394	}
269	$WRITE_RUNTIME_WATCHER->start;	395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
270	};	454	}
271	$WRITE_RUNTIME_WATCHER->stop;	455	};
272	$TICK_WATCHER->stop;	456
273	$guard	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
274	}	469	}
275		470
276	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
277		472
278	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		478
284	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
285		480
286	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
287		482
288	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
291		487
292	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
295	fast or be very important.	491	fast or be very important.
…		…
298		494
299	sub sync_job(&) {	495	sub sync_job(&) {
300	my ($job) = @_;	496	my ($job) = @_;
301		497
302	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
303	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
305		503
306	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	505
308	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
309		507
310	my $busy = 1;	508	my $busy = 1;
311	my @res;	509	my @res;
312		510
313	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	513	@res = eval { $job->() };
315	warn $@ if $@;	514	warn $@ if $@;
316	undef $busy;	515	undef $busy;
317	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
318		517
319	while ($busy) {	518	while ($busy) {
320	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
321	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
322		529
323	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
324	} else {	531	} else {
325	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
326		533
…		…
346	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
347		554
348	$coro	555	$coro
349	}	556	}
350		557
351	sub write_runtime {	558	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		559
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	560	Executes the given code block with the given arguments in a seperate
355	or return;	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
356		564
357	my $value = $cf::RUNTIME + 90 + 10;	565	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		566
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	567	sub fork_call(&@) {
362	and return;	568	my ($cb, @args) = @_;
363		569
364	# always fsync - this file is important	570	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	571	# otherwise perl prematurely frees the stuff :/
366	and return;	572	# TODO: investigate and fix (likely this will be rather laborious)
367		573
368	close $fh	574	my @res = Coro::Util::fork_eval {
369	or return;	575	reset_signals;
		576	&$cb
		577	}, @args;
370		578
371	aio_rename "$runtime~", $runtime	579	wantarray ? @res : $res[-1]
372	and return;	580	}
373		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
374	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	745	}
376		746
377	=back	747	=back
378		748
379	=cut	749	=cut
380		750
381	#############################################################################	751	#############################################################################
382		752
383	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
384		754
385	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
386	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
388		758
389	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	761	Deliantra).
392		762
393	=over 4	763	=over 4
394		764
395	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
396		766
…		…
440	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
441		811
442	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
444		814
445	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
446	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
447		817
448	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
449		819
450	=over 4	820	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
560		930
561	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		935
566	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	937	my $pkg = shift @arg;
568		938
569	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
599	}	969	}
600		970
601	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
602	} else {	972	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	974	}
605		975
606	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
607	}	977	}
608		978
…		…
610	if (ref $_[0]) {	980	if (ref $_[0]) {
611	_object_attach @_;	981	_object_attach @_;
612	} else {	982	} else {
613	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
614	}	984	}
		985	_recalc_want;
615	};	986	};
616		987
617	# all those should be optimised	988	# all those should be optimised
618	sub cf::attachable::detach {	989	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
623	reattach ($obj);	994	reattach ($obj);
624	} else {	995	} else {
625	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
626	}	997	}
		998	_recalc_want;
627	};	999	};
628		1000
629	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
631		1003
…		…
646	";	1018	";
647	die if $@;	1019	die if $@;
648	}	1020	}
649		1021
650	our $override;	1022	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1024
653	sub override {	1025	sub override {
654	$override = 1;	1026	$override = 1;
655	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
656	}	1028	}
657		1029
658	sub do_invoke {	1030	sub do_invoke {
659	my $event = shift;	1031	my $event = shift;
660	my $callbacks = shift;	1032	my $callbacks = shift;
661		1033
662	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
663		1035
664	local $override;	1036	local $override;
665		1037
666	for (@$callbacks) {	1038	for (@$callbacks) {
667	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
676	}	1048	}
677		1049
678	0	1050	0
679	}	1051	}
680		1052
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1054
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1056
685	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
686		1058
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1062
691	=back	1063	=back
692		1064
693	=cut	1065	=cut
694		1066
695	#############################################################################	1067	#############################################################################
696	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
697		1111
698	sub reattach {	1112	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1114	my ($obj) = @_;
701		1115
		1116	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1118
704	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
705		1120
706	@$registry = ();	1121	@$registry = ();
707		1122
…		…
722	cf::attachable->attach (	1137	cf::attachable->attach (
723	prio => -1000000,	1138	prio => -1000000,
724	on_instantiate => sub {	1139	on_instantiate => sub {
725	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
726		1141
727	$data = from_json $data;	1142	$data = decode_json $data;
728		1143
729	for (@$data) {	1144	for (@$data) {
730	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
731		1146
732	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1163	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
750		1165
751	sync_job {	1166	sync_job {
752	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
755		1171
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1176	aio_close $fh;
761		1177
762	if (@$objs) {	1178	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1184	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
770	}	1186	}
771	} else {	1187	} else {
772	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
773	}	1189	}
…		…
778	}	1194	}
779	} else {	1195	} else {
780	aio_unlink $filename;	1196	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
782	}	1198	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1199	};
790	}	1200	}
791		1201
792	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
794		1204
…		…
799		1209
800	sub object_thawer_load {	1210	sub object_thawer_load {
801	my ($filename) = @_;	1211	my ($filename) = @_;
802		1212
803	my ($data, $av);	1213	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1214
808	(aio_load $filename, $data) >= 0	1215	(aio_load $filename, $data) >= 0
809	or return;	1216	or return;
810		1217
811	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
813	or return;	1220	or return;
		1221
814	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
815	}	1224	}
816		1225
		1226	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
819	return ($data, $av);	1230	($data, $av)
820	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
821		1238
822	#############################################################################	1239	#############################################################################
823	# command handling &c	1240	# command handling &c
824		1241
825	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1256	}
840		1257
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1259
843	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
844		1265
845	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
846	called.	1267	called.
847		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
848	=cut	1280	=cut
849		1281
850	sub register_extcmd {	1282	sub register_extcmd {
851	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
852		1284
853	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
854	}	1292	}
855		1293
856	cf::player->attach (	1294	cf::player->attach (
857	on_command => sub {	1295	on_command => sub {
858	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1305	cf::override;
868	},	1306	},
869	on_extcmd => sub {	1307	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
871		1309
872	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1311
874	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
880	} else {	1327	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1329	}
883		1330
884	cf::override;	1331	cf::override;
885	},	1332	},
886	);	1333	);
887		1334
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
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	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
923	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1340	next unless -r $path;
925	eval {	1341
926	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
927	1	1398	}
928	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
929	}	1404	};
930	}	1405	}
931		1406
932	#############################################################################	1407	#############################################################################
933		1408
		1409	=back
		1410
934	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
935		1412
936	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
937		1414
938	=cut	1415	=cut
939		1416
940	package cf::player;	1417	package cf::player;
941		1418
…		…
943		1420
944	=head3 cf::player	1421	=head3 cf::player
945		1422
946	=over 4	1423	=over 4
947		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
		1438
948	=item cf::player::find $login	1439	=item cf::player::find $login
949		1440
950	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
951		1442
952	=cut	1443	=cut
953		1444
954	sub playerdir($) {	1445	sub playerdir($) {
955	cf::localdir	1446	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1448	}
961		1449
962	sub path($) {	1450	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1452
965	(playerdir $login) . "/$login.pl"	1453	(playerdir $login) . "/playerdata"
966	}	1454	}
967		1455
968	sub find_active($) {	1456	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1457	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1458	and $cf::PLAYER{$_[0]}->active
…		…
973		1461
974	sub exists($) {	1462	sub exists($) {
975	my ($login) = @_;	1463	my ($login) = @_;
976		1464
977	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
979	}	1467	}
980		1468
981	sub find($) {	1469	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1471	my $login = $_[0];
984		1472
985	my $guard = cf::lock_acquire "user_find:$login";	1473	my $guard = cf::lock_acquire "user_find:$login";
986		1474
987	$cf::PLAYER{$_[0]} || do {	1475	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1476	# rename old playerfiles to new ones
		1477	#TODO: remove when no longer required
		1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1481	aio_unlink +(playerdir $login) . "/$login.pl";
		1482
		1483	my $f = new_from_file cf::object::thawer path $login
989	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
991	}	1492	}
992	}	1493	}
993	}	1494	}
994		1495
…		…
1003	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1004		1505
1005	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1007		1508
		1509	cf::get_slot 0.01;
		1510
1008	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1009	Coro::cede;	1512	cf::cede_to_tick;
1010	}	1513	}
1011		1514
1012	sub new($) {	1515	sub new($) {
1013	my ($login) = @_;	1516	my ($login) = @_;
1014		1517
…		…
1020	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1021		1524
1022	$self	1525	$self
1023	}	1526	}
1024		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1025	=item $pl->quit_character	1538	=item $pl->quit_character
1026		1539
1027	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1029		1542
1030	=cut	1543	=cut
1031		1544
1032	sub quit_character {	1545	sub quit_character {
1033	my ($pl) = @_;	1546	my ($pl) = @_;
1034		1547
		1548	my $name = $pl->ob->name;
		1549
1035	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1552
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1042		1559
1043	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1562	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1563	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1564	$pl->destroy;
		1565
		1566	my $prefix = qr<^~\Q$name\E/>;
		1567
		1568	# nuke player maps
		1569	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1570
1048	IO::AIO::aio_rmtree $temp;	1571	IO::AIO::aio_rmtree $temp;
		1572	}
		1573
		1574	=item $pl->kick
		1575
		1576	Kicks a player out of the game. This destroys the connection.
		1577
		1578	=cut
		1579
		1580	sub kick {
		1581	my ($pl, $kicker) = @_;
		1582
		1583	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1584	$pl->killer ("kicked");
		1585	$pl->ns->destroy;
1049	}	1586	}
1050		1587
1051	=item cf::player::list_logins	1588	=item cf::player::list_logins
1052		1589
1053	Returns am arrayref of all valid playernames in the system, can take a	1590	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1055		1592
1056	=cut	1593	=cut
1057		1594
1058	sub list_logins {	1595	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1597	or return [];
1061		1598
1062	my @logins;	1599	my @logins;
1063		1600
1064	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1068		1611
1069	utf8::decode $login;	1612	utf8::decode $login;
1070	push @logins, $login;	1613	push @logins, $login;
1071	}	1614	}
1072		1615
…		…
1099	}	1642	}
1100		1643
1101	\@paths	1644	\@paths
1102	}	1645	}
1103		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1105		1652
1106	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1107		1654
1108	=cut	1655	=cut
1109		1656
1110	sub ext_reply($$$%) {	1657	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1112		1659
1113	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1661	}
1117		1662
1118	package cf;	1663	=item $player->ext_msg ($type, @msg)
		1664
		1665	Sends an ext event to the client.
		1666
		1667	=cut
		1668
		1669	sub ext_msg($$@) {
		1670	my ($self, $type, @msg) = @_;
		1671
		1672	$self->ns->ext_msg ($type, @msg);
		1673	}
		1674
		1675	=head3 cf::region
		1676
		1677	=over 4
		1678
		1679	=cut
		1680
		1681	package cf::region;
		1682
		1683	=item cf::region::find_by_path $path
		1684
		1685	Tries to decuce the likely region for a map knowing only its path.
		1686
		1687	=cut
		1688
		1689	sub find_by_path($) {
		1690	my ($path) = @_;
		1691
		1692	my ($match, $specificity);
		1693
		1694	for my $region (list) {
		1695	if ($region->{match} && $path =~ $region->{match}) {
		1696	($match, $specificity) = ($region, $region->specificity)
		1697	if $region->specificity > $specificity;
		1698	}
		1699	}
		1700
		1701	$match
		1702	}
1119		1703
1120	=back	1704	=back
1121
1122		1705
1123	=head3 cf::map	1706	=head3 cf::map
1124		1707
1125	=over 4	1708	=over 4
1126		1709
…		…
1138	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1140		1723
1141	sub generate_random_map {	1724	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1143	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1730	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1182		1768
1183	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1184	local $self->{path};	1770	local $self->{path};
1185	local $self->{load_path};	1771	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1772
1189	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1190	}	1774	}
1191		1775
1192	sub normalise {	1776	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1240	return $self;	1824	return $self;
1241	}	1825	}
1242	}	1826	}
1243		1827
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1829	()
1246	}	1830	}
1247		1831
1248	sub init {	1832	sub init {
1249	my ($self) = @_;	1833	my ($self) = @_;
…		…
1264		1848
1265	# the original (read-only) location	1849	# the original (read-only) location
1266	sub load_path {	1850	sub load_path {
1267	my ($self) = @_;	1851	my ($self) = @_;
1268		1852
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1270	}	1854	}
1271		1855
1272	# the temporary/swap location	1856	# the temporary/swap location
1273	sub save_path {	1857	sub save_path {
1274	my ($self) = @_;	1858	my ($self) = @_;
1275		1859
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1278	}	1862	}
1279		1863
1280	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1281	sub uniq_path {	1865	sub uniq_path {
1282	my ($self) = @_;	1866	my ($self) = @_;
1283		1867
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1286	}	1870	}
1287		1871
1288	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1289	# all maps in C++...	1873	# all maps in C++...
1290	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1292		1876
1293	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1295	}	1879	}
1296		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1297	sub unlink_save {	1889	sub unlink_save {
1298	my ($self) = @_;	1890	my ($self) = @_;
1299		1891
1300	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1895	}
1309		1896
1310	sub load_header_from($) {	1897	sub load_header_from($) {
1311	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1312		1899
1313	utf8::encode $path;	1900	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1319		1909
1320	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1321		1911
1322	1	1912	1
1323	}	1913	}
…		…
1362	$self->load_header_orig	1952	$self->load_header_orig
1363	or return;	1953	or return;
1364	$self->prepare_orig;	1954	$self->prepare_orig;
1365	}	1955	}
1366		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1367	1	1963	1
1368	}	1964	}
1369		1965
1370	sub find;	1966	sub find;
1371	sub find {	1967	sub find {
1372	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1373		1969
1374	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1375		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1377		1974
1378	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1379	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1380	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1381	or return;	1980	or return;
1382		1981
1383	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1384		1983
1385	$map->load_header	1984	$map->load_header
1386	or return;	1985	or return;
1387		1986
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1391	$map->reset;	1992	$map->reset;
1392	undef $guard;
1393	return find $path;	1993	return find $path;
1394	}	1994	}
1395		1995
1396	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1397	}	1997	}
…		…
1404	my ($self) = @_;	2004	my ($self) = @_;
1405		2005
1406	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1407		2007
1408	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1410		2012
		2013	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2015
1413	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1414		2017
1415	$self->alloc;	2018	$self->alloc;
1416		2019
1417	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1418		2022
1419	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1420	or return;	2026	or return;
1421		2027
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1423	if delete $self->{load_original};	2029	if delete $self->{load_original};
1424		2030
1425	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2032	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2035	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1430	}	2039	}
1431	}	2040	}
1432		2041
1433	Coro::cede;	2042	$f->resolve_delayed_derefs;
1434		2043
		2044	cf::cede_to_tick;
1435	# now do the right thing for maps	2045	# now do the right thing for maps
1436	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2048	unless $self->difficulty;
1446	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1447	$self->activate;	2058	$self->activate;
		2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2065	}
1449		2066
1450	$self->post_load;	2067	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2068	}
1454		2069
1455	sub customise_for {	2070	sub customise_for {
1456	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1457		2072
1458	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2074	if $self->per_player;
1460		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1461	$self	2079	$self
1462	}	2080	}
1463		2081
1464	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2083	sub load_neighbours {
1466	my ($map) = @_;	2084	my ($map) = @_;
1467		2085
1468	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1469		2087
1470	for (0 .. 3) {	2088	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1472	or next;	2090	or next;
1473	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1474	or next;	2092	or next;
1475	$neigh->load;	2093	$neigh->load;
1476		2094
		2095	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2098	}
1480		2099
1481	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1483	or next;	2103	or next;
1484	$neigh->load;	2104	$neigh->load;
1485	}	2105	}
1486	}	2106	}
1487		2107
…		…
1492	}	2112	}
1493		2113
1494	sub do_load_sync {	2114	sub do_load_sync {
1495	my ($map) = @_;	2115	my ($map) = @_;
1496		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1497	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1498	}	2121	}
1499		2122
1500	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1502		2125
1503	sub find_async {	2126	sub find_async {
1504	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1505		2128
1506	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1507		2130
1508	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2133	}
1511		2134
1512	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1513	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1514	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2142	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2143	$map->load if $v;
		2144	}
1519		2145
1520	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1521	}	2147	}
1522	}	2148	}
1523	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1524	};	2150	};
1525	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2154	}
1529		2155
1530	sub save {	2156	sub save {
1531	my ($self) = @_;	2157	my ($self) = @_;
1532		2158
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2160
1535	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1536		2162
1537	return unless $self->dirty;	2163	return unless $self->dirty;
1538		2164
…		…
1544	return if $self->{deny_save};	2170	return if $self->{deny_save};
1545		2171
1546	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1547		2173
1548	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1550	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1551		2180
1552	if ($uniq) {	2181	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2184	} else {
…		…
1561	my ($self) = @_;	2190	my ($self) = @_;
1562		2191
1563	# save first because save cedes	2192	# save first because save cedes
1564	$self->save;	2193	$self->save;
1565		2194
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2196
1568	return if $self->players;	2197	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2199	return if $self->{deny_save};
1571		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2205	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2206	}
1575		2207
1576	sub reset_at {	2208	sub reset_at {
1577	my ($self) = @_;	2209	my ($self) = @_;
1578		2210
1579	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1582		2213
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2216
…		…
1596	my ($self) = @_;	2227	my ($self) = @_;
1597		2228
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2230
1600	return if $self->players;	2231	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2232
1603	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
		2234
		2235	$self->in_memory (cf::MAP_SWAPPED);
		2236
		2237	# need to save uniques path
		2238	unless ($self->{deny_save}) {
		2239	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2240
		2241	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2242	if $uniq;
		2243	}
1604		2244
1605	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1606		2246
1607	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2249	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2250
1612	$self->unlink_save;	2251	$self->unlink_save;
1613	$self->destroy;	2252	$self->destroy;
1614	}	2253	}
1615		2254
1616	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1617		2256
1618	sub nuke {	2257	sub nuke {
1619	my ($self) = @_;	2258	my ($self) = @_;
1620		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1621	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1622		2264
1623	$self->unlink_save;	2265	$self->unlink_save;
1624		2266
1625	bless $self, "cf::map";	2267	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2272
1631	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1632		2275
1633	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1634	}	2313	}
1635		2314
1636	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1637		2316
1638	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2318	instantiated unique items. May block.
1640		2319
1641	=cut	2320	=cut
1642		2321
1643	sub unique_maps() {	2322	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1645	or return;	2324	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2325	utf8::decode $_;
1651	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2328	? ()
1654	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2331	]
1656
1657	\@paths
1658	}	2332	}
1659
1660	package cf;
1661		2333
1662	=back	2334	=back
1663		2335
1664	=head3 cf::object	2336	=head3 cf::object
1665		2337
…		…
1669		2341
1670	=over 4	2342	=over 4
1671		2343
1672	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1673		2345
1674	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1675		2348
1676	=cut	2349	=cut
1677		2350
1678	sub inv_recursive_;	2351	sub inv_recursive_;
1679	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1682		2355
1683	sub inv_recursive {	2356	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1685	}	2358	}
1686		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1687	package cf;	2388	package cf;
1688		2389
1689	=back	2390	=back
1690		2391
1691	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1700		2401
1701	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1702		2417
1703	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2419	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1708		2423
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2425
1711	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1713	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1716	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1717	}	2451	}
1718		2452
1719	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1720		2454
1721	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1734		2468
1735	=item $player_object->enter_link	2469	=item $player_object->enter_link
1736		2470
1737	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1738		2472
1739	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1740	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1741		2477
1742	Will never block.	2478	Will never block.
1743		2479
1744	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1745		2481
…		…
1768	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1769		2505
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2507
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1774		2510
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2512	}
1777		2513
1778	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1780		2518
1781	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1782		2520
1783	unless ($map) {	2521	unless ($map) {
1784	# restore original map position	2522	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1801		2539
1802	$map->load;	2540	$map->load;
1803	$map->load_diag;	2541	$map->load_neighbours;
1804		2542
1805	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1806	$self->activate_recursive;	2545	$self->activate_recursive;
		2546
		2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1808	}	2549	}
1809		2550
1810	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2552
1814	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1818	};	2557	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2558
1824	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1825	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2561
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1845		2565
1846	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2571
1849	$self->enter_link;	2572	$self->enter_link;
1850		2573
1851	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1852	my $map = eval {	2596	my $map = eval {
1853	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
		2601	$map = $check->($map) if $check && $map;
		2602	} else {
		2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
		2605
1855	$map	2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2612	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1860	})->prio (1);	2620	})->prio (1);
1861	}	2621	}
1862		2622
1863	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1864		2624
…		…
1884	}	2644	}
1885		2645
1886	sub prepare_random_map {	2646	sub prepare_random_map {
1887	my ($exit) = @_;	2647	my ($exit) = @_;
1888		2648
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2651	# that depends on the exit object
1894		2652
1895	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2655	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1902	}	2662	}
1903		2663
1904	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1905		2665
1906	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1909		2669
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2672	undef $fh;
1913	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1914		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1917	}	2681	}
1918	}	2682	}
1919		2683
1920	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
1922		2686
1923	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1924		2688
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2689	$self->enter_link;
1935		2690
1936	(async {	2691	(async {
1937	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1938	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
1939	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
1940		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
1941	1;	2715	1
1942	}) {	2716	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2721
1948	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2723	$self->leave_link;
1950	}	2724	}
1951	})->prio (1);	2725	})->prio (1);
…		…
1964		2738
1965	sub cf::client::send_drawinfo {	2739	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2740	my ($self, $text, $flags) = @_;
1967		2741
1968	utf8::encode $text;	2742	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2744	}
1971		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1972		2931
1973	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1974		2933
1975	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2937
1979	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2939	become reliable at some point in the future.
1981		2940
1982	=cut	2941	=cut
1983		2942
1984	sub cf::client::query {	2943	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2952	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2954
1996	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
1998	}	2959	}
1999		2960
2000	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2001	on_reply => sub {	2967	on_reply => sub {
2002	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2003		2969
2004	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2005	# get handled first	2971	# get handled first
…		…
2017	} else {	2983	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2985	}
2020	}	2986	}
2021	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2022	);	3014	);
2023		3015
2024	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2025		3017
2026	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2069		3061
2070	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2071		3063
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2073		3069
2074	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2075		3071
2076	=pod	3072	=pod
2077		3073
2078	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2079		3075
2080	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2081	cf::object::player player	3080	cf::object::player
2082	cf::player peaceful	3081	player
2083	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2084		3088
2085	=cut	3089	=cut
2086		3090
2087	for (	3091	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2089	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2092	) {	3098	) {
2093	no strict 'refs';	3099	no strict 'refs';
…		…
2164	=back	3170	=back
2165		3171
2166	=cut	3172	=cut
2167		3173
2168	#############################################################################	3174	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3175	# the server's init and main functions
2278		3176
		3177	sub load_facedata($) {
		3178	my ($path) = @_;
		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3185
		3186	warn "loading facedata from $path\n";
		3187
		3188	my $facedata;
		3189	0 < aio_load $path, $facedata
		3190	or die "$path: $!";
		3191
		3192	$facedata = Coro::Storable::thaw $facedata;
		3193
		3194	$facedata->{version} == 2
		3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
		3204	{
		3205	my $faces = $facedata->{faceinfo};
		3206
		3207	while (my ($face, $info) = each %$faces) {
		3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
		3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
		3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	while (my ($face, $info) = each %$faces) {
		3219	next unless $info->{smooth};
		3220
		3221	my $idx = cf::face::find $face
		3222	or next;
		3223
		3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
		3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3227	} else {
		3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3229	}
		3230
		3231	cf::cede_to_tick;
		3232	}
		3233	}
		3234
		3235	{
		3236	my $anims = $facedata->{animinfo};
		3237
		3238	while (my ($anim, $info) = each %$anims) {
		3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3240	cf::cede_to_tick;
		3241	}
		3242
		3243	cf::anim::invalidate_all; # d'oh
		3244	}
		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
		3281	1
		3282	}
		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
2279	sub load_resources {	3312	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
		3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
		3327	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3328	or die "unable to load regions file\n";
2282	}
2283		3329
2284	sub cfg_load {	3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
		3334	}
		3335
		3336	sub reload_facedata {
		3337	load_facedata "$DATADIR/facedata"
		3338	or die "unable to load facedata\n";
		3339	}
		3340
		3341	sub reload_archetypes {
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
		3344	}
		3345
		3346	sub reload_treasures {
		3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
		3349	}
		3350
		3351	sub reload_resources {
		3352	warn "reloading resource files...\n";
		3353
		3354	reload_facedata;
		3355	reload_archetypes;
		3356	reload_regions;
		3357	reload_treasures;
		3358
		3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3364	or return;
2287		3365
2288	local $/;	3366	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2290		3368
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3370
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3378	};
2301	warn $@ if $@;	3379	warn $@ if $@;
2302	}	3380	}
2303	}	3381	}
2304		3382
2305	sub init {	3383	sub pidfile() {
2306	load_resources;	3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
2307	}	3400	}
2308		3401
2309	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2310	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3421	(async {
2314	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2316	};	3425	};
2317		3426
2318	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
2319	db_load;	3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
		3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2320	load_extensions;	3445	load_extensions;
2321		3446
2322	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2323	Event::loop;	3455	EV::loop;
2324	}	3456	}
2325		3457
2326	#############################################################################	3458	#############################################################################
2327	# initialisation and cleanup	3459	# initialisation and cleanup
2328		3460
2329	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2330	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2339	},
2340	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2341	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2342	}	3555	}
2343		3556
2344	sub emergency_save() {	3557	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2346		3559
…		…
2352	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3571	$pl->save;
2358	}	3572	}
2359	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2360		3574
2361	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3577	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3578	$map->valid or next;
2365	$map->save;	3579	$map->save;
2366	}	3580	}
2367	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
		3582
		3583	warn "begin emergency database checkpoint\n";
		3584	BDB::db_env_txn_checkpoint $DB_ENV;
		3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2368	};	3590	};
2369		3591
2370	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2371	}	3593	}
2372		3594
		3595	sub post_cleanup {
		3596	my ($make_core) = @_;
		3597
		3598	warn Carp::longmess "post_cleanup backtrace"
		3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
		3629	}
		3630
2373	sub reload() {	3631	sub do_reload_perl() {
2374	# can/must only be called in main	3632	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2377	return;	3635	return;
2378	}	3636	}
2379		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2380	warn "reloading...";	3641	warn "reloading...";
2381		3642
2382	warn "cancelling server ticker";	3643	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3644
		3645	cf::sync_job {
		3646	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3647	cf::emergency_save;
		3648	cf::write_runtime_sync; # external watchdog should not bark
2386		3649
2387	eval {	3650	warn "syncing database to disk";
		3651	BDB::db_env_txn_checkpoint $DB_ENV;
		3652
2388	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2389		3654
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2399	for (;;) {	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2400	IO::AIO::flush;	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();
2409
2410	warn "removing commands";
2411	%COMMAND = ();
2412
2413	warn "removing ext commands";
2414	%EXTCMD = ();
2415
2416	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";
2419
2420	if (my $cb = $pkg->can ("unload")) {
2421	eval {
2422	$cb->($pkg);
2423	1
2424	} or warn "$pkg unloaded, but with errors: $@";
2425	}	3658	}
2426		3659
2427	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2428	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2429	}	3662	%EXT_CORO = ();
2430		3663
2431	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2432	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2435	warn "... unloading $k";	3673	warn "... unloading $pkg";
2436	delete $INC{$k};
2437		3674
2438	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;
2440
2441	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2442	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2443	}	3684	}
2444		3685
2445	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2446	}	3701	}
2447		3702
2448	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3706
2452	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2454		3710
2455	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3712	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2458		3714
2459	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2460		3716
2461	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2462	require cf;	3718	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3720
2465	warn "loading config and database again";	3721	warn "loading config and database again";
2466	cf::cfg_load;	3722	cf::reload_config;
2467	cf::db_load;
2468		3723
2469	warn "loading extensions";	3724	warn "loading extensions";
2470	cf::load_extensions;	3725	cf::load_extensions;
2471		3726
2472	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3728	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
		3731	warn "reattaching attachments to players";
		3732	reattach $_ for values %PLAYER;
2476		3733
2477	warn "loading reloadable resources";	3734	warn "running post_load";
2478	load_resources;	3735	(pop @POST_INIT)->(1) while @POST_INIT;
2479		3736
2480	warn "restarting server ticker";	3737	warn "leaving sync_job";
2481		3738
2482	$TICK_WATCHER->start;	3739	1
		3740	} or do {
		3741	warn $@;
		3742	cf::cleanup "error while reloading, exiting.";
		3743	};
		3744
		3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
		3748	};
		3749
		3750	our $RELOAD_WATCHER; # used only during reload
		3751
		3752	sub reload_perl() {
		3753	# doing reload synchronously and two reloads happen back-to-back,
		3754	# coro crashes during coro_state_free->destroy here.
		3755
		3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3757	do_reload_perl;
		3758	undef $RELOAD_WATCHER;
2483	};	3759	};
2484		3760	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		3761
2496	register_command "reload" => sub {	3762	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2498		3764
2499	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
2501		3767	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3768	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3769	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3770	};
2514	}	3771	}
2515	};	3772	};
2516		3773
2517	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2518		3775
2519	my $bug_warning = 0;	3776	my $bug_warning = 0;
2520		3777
2521	$TICK_WATCHER = Event->timer (	3778	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3779	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3780
2524	prio => 0,	3781	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3783
2527	cb => sub {	3784	my $signal = new Coro::Signal;
		3785	push @WAIT_FOR_TICK, $signal;
		3786	$signal->wait;
		3787	}
		3788
		3789	sub wait_for_tick_begin {
		3790	return if tick_inhibit || $Coro::current == $Coro::main;
		3791
		3792	my $signal = new Coro::Signal;
		3793	push @WAIT_FOR_TICK_BEGIN, $signal;
		3794	$signal->wait;
		3795	}
		3796
		3797	sub tick {
2528	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2531	return;	3801	return;
2532	}	3802	}
2533		3803
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3805
2540	$WAIT_FOR_TICK->broadcast;	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3808	Coro::async_pool {
2543	Event::sweep;	3809	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3810	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
		3812	};
2578	},	3813	}
2579	);	3814
		3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3816	$sig->send;
		3817	}
		3818	while (my $sig = shift @WAIT_FOR_TICK) {
		3819	$sig->send;
		3820	}
		3821
		3822	$LOAD = ($NOW - $TICK_START) / $TICK;
		3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3824
		3825	if (0) {
		3826	if ($NEXT_TICK) {
		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
		3831	}
		3832	}
		3833
		3834	{
		3835	# configure BDB
		3836
		3837	BDB::min_parallel 8;
		3838	BDB::max_poll_reqs $TICK * 0.1;
		3839	$AnyEvent::BDB::WATCHER->priority (1);
		3840
		3841	unless ($DB_ENV) {
		3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3848
		3849	cf::sync_job {
		3850	eval {
		3851	BDB::db_env_open
		3852	$DB_ENV,
		3853	$BDBDIR,
		3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3856	0666;
		3857
		3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3859	};
		3860
		3861	cf::cleanup "db_env_open(db): $@" if $@;
		3862	};
		3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
		3874	}
		3875
		3876	{
		3877	# configure IO::AIO
		3878
		3879	IO::AIO::min_parallel 8;
		3880	IO::AIO::max_poll_time $TICK * 0.1;
		3881	undef $AnyEvent::AIO::WATCHER;
		3882	}
		3883
		3884	my $_log_backtrace;
		3885
		3886	sub _log_backtrace {
		3887	my ($msg, @addr) = @_;
		3888
		3889	$msg =~ s/\n//;
		3890
		3891	# limit the # of concurrent backtraces
		3892	if ($_log_backtrace < 2) {
		3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
		3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
		3898	my @bt = fork_call {
		3899	@addr = map { sprintf "%x", $_ } @addr;
		3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3902	or die "addr2line: $!";
		3903
		3904	my @funcs;
		3905	my @res = <$fh>;
		3906	chomp for @res;
		3907	while (@res) {
		3908	my ($func, $line) = splice @res, 0, 2, ();
		3909	push @funcs, "[$func] $line";
		3910	}
		3911
		3912	@funcs
		3913	};
		3914
		3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3917	LOG llevInfo, "[ABT] $_\n" for @bt;
		3918	--$_log_backtrace;
		3919	};
		3920	} else {
		3921	LOG llevInfo, "[ABT] $msg\n";
		3922	LOG llevInfo, "[ABT] [suppressed]\n";
		3923	}
		3924	}
		3925
		3926	# load additional modules
		3927	use cf::pod;
2580		3928
2581	END { cf::emergency_save }	3929	END { cf::emergency_save }
2582		3930
2583	1	3931	1
2584		3932

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