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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 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 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
48	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	87	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		88
52	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	90	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		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(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	107	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	113	our $DB_ENV;
62		114
63	our %CFG;	115	our %CFG;
64		116
65	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
67		120
68	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		124
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
80	binmode STDOUT;	135	binmode STDOUT;
81	binmode STDERR;	136	binmode STDERR;
82		137
83	# read virtual server time, if available	138	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
88	}	143	}
89		144
90	mkdir cf::localdir;	145	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		147
97	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
98		149
99	sub cf::map::normalise;	150	sub cf::map::normalise;
100		151
…		…
111	=item $cf::RUNTIME	162	=item $cf::RUNTIME
112		163
113	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
114	every server tick.	165	every server tick.
115		166
116	=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
117		170
118	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		175
121	=item $cf::NOW	176	=item $cf::NOW
122		177
123	The time of the last (current) server tick.	178	The time of the last (current) server tick.
124		179
125	=item $cf::TICK	180	=item $cf::TICK
126		181
127	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
128		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
129	=item %cf::CFG	194	=item %cf::CFG
130		195
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	197	from wherever your confdir points to.
133		198
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		200
136	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
137	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
138	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.
139	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.
140		210
141	=back	211	=back
142		212
143	=cut	213	=cut
144		214
145	BEGIN {	215	BEGIN {
146	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	217	my $msg = join "", @_;
148	utf8::encode $msg;
149		218
150	$msg .= "\n"	219	$msg .= "\n"
151	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
152		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
153	LOG llevError, $msg;	224	LOG llevError, $msg;
154	};	225	};
155	}	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#?
156		242
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		250
164	# 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
165	# within the Safe compartment.	252	# within the Safe compartment.
166	for my $pkg (qw(	253	for my $pkg (qw(
167	cf::global cf::attachable	254	cf::global cf::attachable
168	cf::object cf::object::player	255	cf::object cf::object::player
169	cf::client cf::player	256	cf::client cf::player
170	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
171	cf::map cf::party cf::region	259	cf::party cf::region
172	)) {	260	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	262	}
176		263
177	$Event::DIED = sub {	264	$EV::DIED = sub {
178	warn "error in event callback: @_";	265	warn "error in event callback: @_";
179	};	266	};
		267
		268	#############################################################################
180		269
181	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
182		271
183	=over 4	272	=over 4
184		273
…		…
203	$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;
204	$d	293	$d
205	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
206	}	295	}
207		296
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
211		298
212	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
213		300
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
222		302
223	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
224		304
225	=cut	305	=cut
226		306
227	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
229	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;
230	}	324	}
231		325
232	=item cf::lock_wait $string	326	=item cf::lock_wait $string
233		327
234	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
241	returned.	335	returned.
242		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
243	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
244	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
245		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
246	=cut	347	=cut
247		348
248	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
249		351
250	sub lock_wait($) {	352	sub lock_wait($) {
251	my ($key) = @_;	353	my ($key) = @_;
252		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
253	# wait for lock, if any	360	# wait for lock, if any
254	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
255	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	364	Coro::schedule;
257	}	365	}
258	}	366	}
259		367
…		…
262		370
263	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
264	lock_wait $key;	372	lock_wait $key;
265		373
266	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
267		376
268	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
271	}	381	}
272	}	382	}
273		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
274	sub freeze_mainloop {	390	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
276		392
277	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	394	}
		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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
279	};	454	}
280	$TICK_WATCHER->stop;	455	};
281	$guard	456
		457	sub get_slot($;$$) {
		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	$sig->wait;
282	}	469	}
283		470
284	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
285		472
286	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		478
292	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
293		480
294	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
295		482
296	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
299		487
300	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
303	fast or be very important.	491	fast or be very important.
…		…
306		494
307	sub sync_job(&) {	495	sub sync_job(&) {
308	my ($job) = @_;	496	my ($job) = @_;
309		497
310	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
311	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
313		503
314	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	505
316	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
317		507
318	my $busy = 1;	508	my $busy = 1;
319	my @res;	509	my @res;
320		510
321	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	513	@res = eval { $job->() };
323	warn $@ if $@;	514	warn $@ if $@;
324	undef $busy;	515	undef $busy;
325	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
326		517
327	while ($busy) {	518	while ($busy) {
328	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
329	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
330		529
331	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
332	} else {	531	} else {
333	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
334		533
…		…
354	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
355		554
356	$coro	555	$coro
357	}	556	}
358		557
359	sub write_runtime {	558	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		559
362	my $runtime = cf::localdir . "/runtime";	560	Executes the given code block with the given arguments in a seperate
		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.
363		564
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
365	or return;
366		566
367	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		569
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
372	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
373		573
374	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	575	reset_signals;
376	and return;	576	&$cb
		577	}, @args;
377		578
378	close $fh	579	wantarray ? @res : $res[-1]
379	or return;	580	}
380		581
381	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
382	and return;
383		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		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($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
384	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		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 });
385	}	745	}
386		746
387	=back	747	=back
388		748
389	=cut	749	=cut
390		750
391	#############################################################################	751	#############################################################################
392		752
393	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
394		754
395	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
396	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")
397	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
398		758
399	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>
400	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
401	crossfire+).	761	Deliantra).
402		762
403	=over 4	763	=over 4
404		764
405	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
406		766
…		…
450	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
451		811
452	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
454		814
455	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		817
458	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
459		819
460	=over 4	820	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
570		930
571	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		935
576	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	937	my $pkg = shift @arg;
578		938
579	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
609	}	969	}
610		970
611	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
612	} else {	972	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	974	}
615		975
616	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
617	}	977	}
618		978
…		…
620	if (ref $_[0]) {	980	if (ref $_[0]) {
621	_object_attach @_;	981	_object_attach @_;
622	} else {	982	} else {
623	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
624	}	984	}
		985	_recalc_want;
625	};	986	};
626		987
627	# all those should be optimised	988	# all those should be optimised
628	sub cf::attachable::detach {	989	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
633	reattach ($obj);	994	reattach ($obj);
634	} else {	995	} else {
635	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
636	}	997	}
		998	_recalc_want;
637	};	999	};
638		1000
639	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
641		1003
…		…
656	";	1018	";
657	die if $@;	1019	die if $@;
658	}	1020	}
659		1021
660	our $override;	1022	our $override;
661	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?
662		1024
663	sub override {	1025	sub override {
664	$override = 1;	1026	$override = 1;
665	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
666	}	1028	}
667		1029
668	sub do_invoke {	1030	sub do_invoke {
669	my $event = shift;	1031	my $event = shift;
670	my $callbacks = shift;	1032	my $callbacks = shift;
671		1033
672	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
673		1035
674	local $override;	1036	local $override;
675		1037
676	for (@$callbacks) {	1038	for (@$callbacks) {
677	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
686	}	1048	}
687		1049
688	0	1050	0
689	}	1051	}
690		1052
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1054
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1056
695	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
696		1058
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1062
701	=back	1063	=back
702		1064
703	=cut	1065	=cut
704		1066
705	#############################################################################	1067	#############################################################################
706	# 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, $ob2
		1110	}
707		1111
708	sub reattach {	1112	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1114	my ($obj) = @_;
711		1115
		1116	# no longer needed after getting rid of delete_package?
712	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
713		1118
714	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
715		1120
716	@$registry = ();	1121	@$registry = ();
717		1122
…		…
732	cf::attachable->attach (	1137	cf::attachable->attach (
733	prio => -1000000,	1138	prio => -1000000,
734	on_instantiate => sub {	1139	on_instantiate => sub {
735	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
736		1141
737	$data = from_json $data;	1142	$data = decode_json $data;
738		1143
739	for (@$data) {	1144	for (@$data) {
740	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
741		1146
742	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1163	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
760		1165
761	sync_job {	1166	sync_job {
762	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
765		1171
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1176	aio_close $fh;
771		1177
772	if (@$objs) {	1178	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1184	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
780	}	1186	}
781	} else {	1187	} else {
782	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
783	}	1189	}
…		…
788	}	1194	}
789	} else {	1195	} else {
790	aio_unlink $filename;	1196	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
792	}	1198	}
793	}	1199	};
794	}	1200	}
795		1201
796	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
798		1204
…		…
810	or return;	1216	or return;
811		1217
812	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
814	or return;	1220	or return;
		1221
815	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
816	}	1224	}
817		1225
		1226	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
820	return ($data, $av);	1230	($data, $av)
821	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
822		1238
823	#############################################################################	1239	#############################################################################
824	# command handling &c	1240	# command handling &c
825		1241
826	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1256	}
841		1257
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1259
844	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.
845		1265
846	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
847	called.	1267	called.
848		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
849	=cut	1280	=cut
850		1281
851	sub register_extcmd {	1282	sub register_extcmd {
852	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
853		1284
854	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
855	}	1292	}
856		1293
857	cf::player->attach (	1294	cf::player->attach (
858	on_command => sub {	1295	on_command => sub {
859	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1305	cf::override;
869	},	1306	},
870	on_extcmd => sub {	1307	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
872		1309
873	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1311
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
881	} else {	1327	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1329	}
884		1330
885	cf::override;	1331	cf::override;
886	},	1332	},
887	);	1333	);
888		1334
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
924	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1340	next unless -r $path;
926	eval {	1341
927	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	$progress = 1;
928	1	1398	}
929	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
930	}	1404	};
931	}	1405	}
932		1406
933	#############################################################################	1407	#############################################################################
934		1408
		1409	=back
		1410
935	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
936		1412
937	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
938		1414
939	=cut	1415	=cut
940		1416
941	package cf::player;	1417	package cf::player;
942		1418
…		…
944		1420
945	=head3 cf::player	1421	=head3 cf::player
946		1422
947	=over 4	1423	=over 4
948		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
949	=item cf::player::find $login	1439	=item cf::player::find $login
950		1440
951	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
952		1442
953	=cut	1443	=cut
954		1444
955	sub playerdir($) {	1445	sub playerdir($) {
956	cf::localdir	1446	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1448	}
962		1449
963	sub path($) {	1450	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1452
966	(playerdir $login) . "/$login.pl"	1453	(playerdir $login) . "/playerdata"
967	}	1454	}
968		1455
969	sub find_active($) {	1456	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1457	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1458	and $cf::PLAYER{$_[0]}->active
…		…
974		1461
975	sub exists($) {	1462	sub exists($) {
976	my ($login) = @_;	1463	my ($login) = @_;
977		1464
978	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
980	}	1467	}
981		1468
982	sub find($) {	1469	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1471	my $login = $_[0];
985		1472
986	my $guard = cf::lock_acquire "user_find:$login";	1473	my $guard = cf::lock_acquire "user_find:$login";
987		1474
988	$cf::PLAYER{$_[0]} || do {	1475	$cf::PLAYER{$_[0]} || do {
989	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
990	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;
991	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
992	}	1492	}
993	}	1493	}
994	}	1494	}
995		1495
…		…
1004	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1005		1505
1006	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1008		1508
		1509	cf::get_slot 0.01;
		1510
1009	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1010	Coro::cede;	1512	cf::cede_to_tick;
1011	}	1513	}
1012		1514
1013	sub new($) {	1515	sub new($) {
1014	my ($login) = @_;	1516	my ($login) = @_;
1015		1517
…		…
1021	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1022		1524
1023	$self	1525	$self
1024	}	1526	}
1025		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
1026	=item $pl->quit_character	1538	=item $pl->quit_character
1027		1539
1028	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1030		1542
…		…
1034	my ($pl) = @_;	1546	my ($pl) = @_;
1035		1547
1036	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1037		1549
1038	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1039	$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
1040		1552
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1045		1559
1046	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1078		1592
1079	=cut	1593	=cut
1080		1594
1081	sub list_logins {	1595	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1597	or return [];
1084		1598
1085	my @logins;	1599	my @logins;
1086		1600
1087	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") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1091		1611
1092	utf8::decode $login;	1612	utf8::decode $login;
1093	push @logins, $login;	1613	push @logins, $login;
1094	}	1614	}
1095		1615
…		…
1122	}	1642	}
1123		1643
1124	\@paths	1644	\@paths
1125	}	1645	}
1126		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1128		1652
1129	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1130		1654
1131	=cut	1655	=cut
1132		1656
1133	sub ext_reply($$$%) {	1657	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1135		1659
1136	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1661	}
1140		1662
1141	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	}
1142		1703
1143	=back	1704	=back
1144
1145		1705
1146	=head3 cf::map	1706	=head3 cf::map
1147		1707
1148	=over 4	1708	=over 4
1149		1709
…		…
1161	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1163		1723
1164	sub generate_random_map {	1724	sub generate_random_map {
1165	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
1166	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1730	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1205		1768
1206	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1207	local $self->{path};	1770	local $self->{path};
1208	local $self->{load_path};	1771	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1772
1212	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1213	}	1774	}
1214		1775
1215	sub normalise {	1776	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1263	return $self;	1824	return $self;
1264	}	1825	}
1265	}	1826	}
1266		1827
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1829	()
1269	}	1830	}
1270		1831
1271	sub init {	1832	sub init {
1272	my ($self) = @_;	1833	my ($self) = @_;
…		…
1287		1848
1288	# the original (read-only) location	1849	# the original (read-only) location
1289	sub load_path {	1850	sub load_path {
1290	my ($self) = @_;	1851	my ($self) = @_;
1291		1852
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1293	}	1854	}
1294		1855
1295	# the temporary/swap location	1856	# the temporary/swap location
1296	sub save_path {	1857	sub save_path {
1297	my ($self) = @_;	1858	my ($self) = @_;
1298		1859
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1301	}	1862	}
1302		1863
1303	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1304	sub uniq_path {	1865	sub uniq_path {
1305	my ($self) = @_;	1866	my ($self) = @_;
1306		1867
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1309	}	1870	}
1310		1871
1311	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1312	# all maps in C++...	1873	# all maps in C++...
1313	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1315		1876
1316	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1318	}	1879	}
1319		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1320	sub unlink_save {	1889	sub unlink_save {
1321	my ($self) = @_;	1890	my ($self) = @_;
1322		1891
1323	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1896
1328	sub load_header_from($) {	1897	sub load_header_from($) {
1329	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1330		1899
1331	utf8::encode $path;	1900	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	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;
1337		1909
1338	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1339		1911
1340	1	1912	1
1341	}	1913	}
…		…
1380	$self->load_header_orig	1952	$self->load_header_orig
1381	or return;	1953	or return;
1382	$self->prepare_orig;	1954	$self->prepare_orig;
1383	}	1955	}
1384		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
1385	1	1963	1
1386	}	1964	}
1387		1965
1388	sub find;	1966	sub find;
1389	sub find {	1967	sub find {
1390	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1391		1969
1392	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1393		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1395		1974
1396	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1397	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1398	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1399	or return;	1980	or return;
1400		1981
1401	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1402		1983
1403	$map->load_header	1984	$map->load_header
1404	or return;	1985	or return;
1405		1986
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1409	$map->reset;	1992	$map->reset;
1410	undef $guard;
1411	return find $path;	1993	return find $path;
1412	}	1994	}
1413		1995
1414	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1415	}	1997	}
…		…
1422	my ($self) = @_;	2004	my ($self) = @_;
1423		2005
1424	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1425		2007
1426	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1428		2012
		2013	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2015
1431	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1432		2017
1433	$self->alloc;	2018	$self->alloc;
1434		2019
1435	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1436		2022
1437	$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)
1438	or return;	2026	or return;
1439		2027
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1441	if delete $self->{load_original};	2029	if delete $self->{load_original};
1442		2030
1443	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2032	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2035	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1448	}	2039	}
1449	}	2040	}
1450		2041
1451	Coro::cede;	2042	$f->resolve_delayed_derefs;
1452		2043
		2044	cf::cede_to_tick;
1453	# now do the right thing for maps	2045	# now do the right thing for maps
1454	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2048	unless $self->difficulty;
1464	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;
1465	$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);
1466	}	2065	}
1467		2066
1468	$self->post_load;	2067	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2068	}
1472		2069
1473	sub customise_for {	2070	sub customise_for {
1474	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1475		2072
1476	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2074	if $self->per_player;
1478		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1479	$self	2079	$self
1480	}	2080	}
1481		2081
1482	# 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
1483	sub load_diag {	2083	sub load_neighbours {
1484	my ($map) = @_;	2084	my ($map) = @_;
1485		2085
1486	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1487		2087
1488	for (0 .. 3) {	2088	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1490	or next;	2090	or next;
1491	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1492	or next;	2092	or next;
1493	$neigh->load;	2093	$neigh->load;
1494		2094
		2095	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2098	}
1498		2099
1499	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1501	or next;	2103	or next;
1502	$neigh->load;	2104	$neigh->load;
1503	}	2105	}
1504	}	2106	}
1505		2107
…		…
1510	}	2112	}
1511		2113
1512	sub do_load_sync {	2114	sub do_load_sync {
1513	my ($map) = @_;	2115	my ($map) = @_;
1514		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1515	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1516	}	2121	}
1517		2122
1518	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1520		2125
1521	sub find_async {	2126	sub find_async {
1522	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1523		2128
1524	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1525		2130
1526	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2133	}
1529		2134
1530	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1531	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1532	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2142	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2143	$map->load if $v;
		2144	}
1537		2145
1538	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1539	}	2147	}
1540	}	2148	}
1541	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1542	};	2150	};
1543	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2154	}
1547		2155
1548	sub save {	2156	sub save {
1549	my ($self) = @_;	2157	my ($self) = @_;
1550		2158
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2160
1553	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1554		2162
1555	return unless $self->dirty;	2163	return unless $self->dirty;
1556		2164
…		…
1562	return if $self->{deny_save};	2170	return if $self->{deny_save};
1563		2171
1564	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1565		2173
1566	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1568	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1569		2180
1570	if ($uniq) {	2181	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2184	} else {
…		…
1579	my ($self) = @_;	2190	my ($self) = @_;
1580		2191
1581	# save first because save cedes	2192	# save first because save cedes
1582	$self->save;	2193	$self->save;
1583		2194
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2196
1586	return if $self->players;	2197	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2199	return if $self->{deny_save};
1589		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2205	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2206	}
1593		2207
1594	sub reset_at {	2208	sub reset_at {
1595	my ($self) = @_;	2209	my ($self) = @_;
1596		2210
1597	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1600		2213
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	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;
1603		2216
…		…
1614	my ($self) = @_;	2227	my ($self) = @_;
1615		2228
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2230
1618	return if $self->players;	2231	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2232
1621	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
1622		2234
1623	$self->in_memory (cf::MAP_SWAPPED);	2235	$self->in_memory (cf::MAP_SWAPPED);
1624		2236
1625	# need to save uniques path	2237	# need to save uniques path
1626	unless ($self->{deny_save}) {	2238	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2242	if $uniq;
1631	}	2243	}
1632		2244
1633	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1634		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2249	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2250
1639	$self->unlink_save;	2251	$self->unlink_save;
1640	$self->destroy;	2252	$self->destroy;
1641	}	2253	}
1642		2254
1643	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1644		2256
1645	sub nuke {	2257	sub nuke {
1646	my ($self) = @_;	2258	my ($self) = @_;
1647		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1648	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1649		2264
1650	$self->unlink_save;	2265	$self->unlink_save;
1651		2266
1652	bless $self, "cf::map";	2267	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2272
1658	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1659		2275
1660	$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	]
1661	}	2313	}
1662		2314
1663	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1664		2316
1665	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2318	instantiated unique items. May block.
1667		2319
1668	=cut	2320	=cut
1669		2321
1670	sub unique_maps() {	2322	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1672	or return;	2324	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2325	utf8::decode $_;
1678	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2328	? ()
1681	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2331	]
1683
1684	\@paths
1685	}	2332	}
1686
1687	package cf;
1688		2333
1689	=back	2334	=back
1690		2335
1691	=head3 cf::object	2336	=head3 cf::object
1692		2337
…		…
1696		2341
1697	=over 4	2342	=over 4
1698		2343
1699	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1700		2345
1701	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.
1702		2348
1703	=cut	2349	=cut
1704		2350
1705	sub inv_recursive_;	2351	sub inv_recursive_;
1706	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1709		2355
1710	sub inv_recursive {	2356	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1712	}	2358	}
1713		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
1714	package cf;	2388	package cf;
1715		2389
1716	=back	2390	=back
1717		2391
1718	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1724	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>
1725	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
1726	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1727		2401
1728	=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	};
1729		2417
1730	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2419	# with dialog boxes.
1732	#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
1733	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1735		2423
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2425
1738	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1743	}	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 (@_);
1744	}	2451	}
1745		2452
1746	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1747		2454
1748	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1761		2468
1762	=item $player_object->enter_link	2469	=item $player_object->enter_link
1763		2470
1764	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}>).
1765		2472
1766	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.
1767	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.
1768		2477
1769	Will never block.	2478	Will never block.
1770		2479
1771	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1772		2481
…		…
1795	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1796		2505
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2507
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1801		2510
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2512	}
1804		2513
1805	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1807		2518
1808	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1809		2520
1810	unless ($map) {	2521	unless ($map) {
1811	# restore original map position	2522	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1828		2539
1829	$map->load;	2540	$map->load;
1830	$map->load_diag;	2541	$map->load_neighbours;
1831		2542
1832	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1833	$self->activate_recursive;	2545	$self->activate_recursive;
1834		2546
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1837	}	2549	}
1838		2550
1839	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2552
1843	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1847	};	2557	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2558
1853	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2561
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1874		2565
1875	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1876	my ($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;
1877		2571
1878	$self->enter_link;	2572	$self->enter_link;
1879		2573
1880	(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
1881	my $map = eval {	2596	my $map = eval {
1882	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2612	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1889	})->prio (1);	2620	})->prio (1);
1890	}	2621	}
1891		2622
1892	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1893		2624
…		…
1913	}	2644	}
1914		2645
1915	sub prepare_random_map {	2646	sub prepare_random_map {
1916	my ($exit) = @_;	2647	my ($exit) = @_;
1917		2648
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2651	# that depends on the exit object
1923		2652
1924	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2655	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1931	}	2662	}
1932		2663
1933	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1934		2665
1935	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1938		2669
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2672	undef $fh;
1942	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1943		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1946	}	2681	}
1947	}	2682	}
1948		2683
1949	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
1951		2686
1952	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1953		2688
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2689	$self->enter_link;
1964		2690
1965	(async {	2691	(async {
1966	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1967	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
1968	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
1969		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
1970	1;	2715	1
1971	}) {	2716	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2721
1977	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2723	$self->leave_link;
1979	}	2724	}
1980	})->prio (1);	2725	})->prio (1);
…		…
1993		2738
1994	sub cf::client::send_drawinfo {	2739	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2740	my ($self, $text, $flags) = @_;
1996		2741
1997	utf8::encode $text;	2742	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2744	}
2000		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	}
2001		2931
2002	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2003		2933
2004	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2005	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>,
2006	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>.
2007		2937
2008	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
2009	reliable at some point in the future.	2939	become reliable at some point in the future.
2010		2940
2011	=cut	2941	=cut
2012		2942
2013	sub cf::client::query {	2943	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2952	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2954
2025	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2027	}	2959	}
2028		2960
2029	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2030	on_reply => sub {	2967	on_reply => sub {
2031	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2032		2969
2033	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2034	# get handled first	2971	# get handled first
…		…
2046	} else {	2983	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2985	}
2049	}	2986	}
2050	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($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	},
2051	);	3014	);
2052		3015
2053	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2054		3017
2055	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2098		3061
2099	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2100		3063
2101	$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	));
2102		3069
2103	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2104		3071
2105	=pod	3072	=pod
2106		3073
2107	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2108		3075
2109	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
2110	cf::object::player player	3080	cf::object::player
2111	cf::player peaceful	3081	player
2112	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2113		3088
2114	=cut	3089	=cut
2115		3090
2116	for (	3091	for (
2117	["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)],
2118	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2121	) {	3098	) {
2122	no strict 'refs';	3099	no strict 'refs';
…		…
2193	=back	3170	=back
2194		3171
2195	=cut	3172	=cut
2196		3173
2197	#############################################################################	3174	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3175	# the server's init and main functions
2271		3176
2272	sub load_faces {	3177	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3178	my ($path) = @_;
2274		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
2275	warn "loading faces from $path\n";	3186	warn "loading facedata from $path\n";
2276		3187
2277	my $faces;	3188	my $facedata;
2278	0 < aio_load $path, $faces	3189	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3190	or die "$path: $!";
2280		3191
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3192	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		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 = $facedata->{faceinfo};
		3206
2285	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209
		3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	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
2290	}	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);
2291		3280
2292	1	3281	1
2293	}	3282	}
2294		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, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		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"
		3328	or die "unable to load regions file\n";
		3329
		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
2295	sub reload_resources {	3351	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3353
2298	load_faces	3354	reload_facedata;
2299	or die "unable to load faces\n";#d#	3355	reload_archetypes;
2300	}
2301
2302	sub init {
2303	reload_resources;	3356	reload_regions;
2304	}	3357	reload_treasures;
2305		3358
2306	sub cfg_load {	3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3364	or return;
2309		3365
2310	local $/;	3366	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2312		3368
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3370
2315	$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};
2316	$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};
…		…
2322	};	3378	};
2323	warn $@ if $@;	3379	warn $@ if $@;
2324	}	3380	}
2325	}	3381	}
2326		3382
		3383	sub pidfile() {
		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 $$;
		3400	}
		3401
2327	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
2328	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2330	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#
2331	(async {	3421	(async {
2332	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2334	};	3425	};
2335		3426
2336	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2337	db_init;	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
2338	load_extensions;	3445	load_extensions;
2339		3446
2340	$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
2341	Event::loop;	3455	EV::loop;
2342	}	3456	}
2343		3457
2344	#############################################################################	3458	#############################################################################
2345	# initialisation and cleanup	3459	# initialisation and cleanup
2346		3460
2347	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2348	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2357	},
2358	);	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
2359	}	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 };
2360	}	3555	}
2361		3556
2362	sub emergency_save() {	3557	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2364		3559
…		…
2370	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3571	$pl->save;
2376	}	3572	}
2377	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2378		3574
2379	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2385	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2386		3582
2387	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2390	};	3590	};
2391		3591
2392	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2393	}	3593	}
2394		3594
2395	sub post_cleanup {	3595	sub post_cleanup {
2396	my ($make_core) = @_;	3596	my ($make_core) = @_;
2397		3597
2398	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3599	if $make_core;
2400	}
2401		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
2402	sub reload() {	3631	sub do_reload_perl() {
2403	# can/must only be called in main	3632	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2406	return;	3635	return;
2407	}	3636	}
2408		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2409	warn "reloading...";	3641	warn "reloading...";
2410		3642
2411	warn "entering sync_job";	3643	warn "entering sync_job";
2412		3644
2413	cf::sync_job {	3645	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3647	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2417		3649
2418	warn "syncing database to disk";	3650	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3652
2421	# 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
2422		3654
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3658	}
2459		3659
2460	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2462	}	3662	%EXT_CORO = ();
2463		3663
2464	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3673	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3674
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2475	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2476	}	3684	}
2477		3685
2478	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;
2479	}	3701	}
2480		3702
2481	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2483	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);
2484		3706
2485	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2487		3710
2488	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3712	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2491		3714
2492	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2493		3716
2494	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2495	require cf;	3718	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3720
2498	warn "loading config and database again";	3721	warn "loading config and database again";
2499	cf::cfg_load;	3722	cf::reload_config;
2500		3723
2501	warn "loading extensions";	3724	warn "loading extensions";
2502	cf::load_extensions;	3725	cf::load_extensions;
2503		3726
2504	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2510		3733
2511	warn "loading reloadable resources";	3734	warn "running post_load";
2512	reload_resources;	3735	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3736
2514	warn "leaving sync_job";	3737	warn "leaving sync_job";
2515		3738
2516	1	3739	1
2517	} or do {	3740	} or do {
2518	warn $@;	3741	warn $@;
2519	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	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;
2521	};	3759	};
2522		3760	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3761
2528	register_command "reload" => sub {	3762	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2530		3764
2531	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
2533		3767	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3768	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3769	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3770	};
2546	}	3771	}
2547	};	3772	};
2548		3773
2549	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2550		3775
2551	my $bug_warning = 0;	3776	my $bug_warning = 0;
2552		3777
2553	$TICK_WATCHER = Event->timer (	3778	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3779	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3780
2556	prio => 0,	3781	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3783
2559	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 {
2560	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2561	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"
2562	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2563	return;	3801	return;
2564	}	3802	}
2565		3803
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3805
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3810	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3812	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3813	}
2592	);	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	}
2593		3833
2594	{	3834	{
2595	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3836
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2605		3838	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3840
2621	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	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);
2623		3848
2624	cf::sync_job {	3849	cf::sync_job {
2625	eval {	3850	eval {
2626	BDB::db_env_open	3851	BDB::db_env_open
2627	$DB_ENV,	3852	$DB_ENV,
2628	$BDB_ENV_DIR,	3853	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3856	0666;
2632		3857
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3859	};
2638		3860
2639	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3862	};
2641	}	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	};
2642	}	3874	}
2643		3875
2644	{	3876	{
		3877	# configure IO::AIO
		3878
2645	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	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;
2658		3928
2659	END { cf::emergency_save }	3929	END { cf::emergency_save }
2660		3930
2661	1	3931	1
2662		3932

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