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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
36	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
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		74
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		76
47	our %COMMAND = ();	77	our %COMMAND = ();
48	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
49		79
50	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
54		85
55	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	87	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		88
59	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	90	our $DATADIR = datadir;
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	107	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	113	our $DB_ENV;
69		114
70	our %CFG;	115	our %CFG;
71		116
72	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
74		120
75	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		124
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
84	binmode STDOUT;	135	binmode STDOUT;
85	binmode STDERR;	136	binmode STDERR;
86		137
87	# read virtual server time, if available	138	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
92	}	143	}
93		144
94	mkdir cf::localdir;	145	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		147
101	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
102		149
103	sub cf::map::normalise;	150	sub cf::map::normalise;
104		151
…		…
115	=item $cf::RUNTIME	162	=item $cf::RUNTIME
116		163
117	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
118	every server tick.	165	every server tick.
119		166
120	=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
121		170
122	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		175
125	=item $cf::NOW	176	=item $cf::NOW
126		177
127	The time of the last (current) server tick.	178	The time of the last (current) server tick.
128		179
129	=item $cf::TICK	180	=item $cf::TICK
130		181
131	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	194	=item %cf::CFG
134		195
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	197	from wherever your confdir points to.
137		198
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		200
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	202	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		210
144	=back	211	=back
145		212
146	=cut	213	=cut
147		214
148	BEGIN {	215	BEGIN {
149	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	217	my $msg = join "", @_;
151	utf8::encode $msg;
152		218
153	$msg .= "\n"	219	$msg .= "\n"
154	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
155		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
156	LOG llevError, $msg;	224	LOG llevError, $msg;
157	};	225	};
158	}	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#?
159		242
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		250
167	# 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
168	# within the Safe compartment.	252	# within the Safe compartment.
169	for my $pkg (qw(	253	for my $pkg (qw(
170	cf::global cf::attachable	254	cf::global cf::attachable
171	cf::object cf::object::player	255	cf::object cf::object::player
172	cf::client cf::player	256	cf::client cf::player
173	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
174	cf::map cf::party cf::region	259	cf::party cf::region
175	)) {	260	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	262	}
179		263
180	$Event::DIED = sub {	264	$EV::DIED = sub {
181	warn "error in event callback: @_";	265	warn "error in event callback: @_";
182	};	266	};
		267
		268	#############################################################################
183		269
184	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
185		271
186	=over 4	272	=over 4
187		273
…		…
206	$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;
207	$d	293	$d
208	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
209	}	295	}
210		296
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
214		298
215	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
216		300
217	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
218		302
219	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[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;
		324	}
220		325
221	=item cf::lock_wait $string	326	=item cf::lock_wait $string
222		327
223	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
224		329
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
230	returned.	335	returned.
231		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
232	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
233	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
234		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
235	=cut	347	=cut
236		348
237	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
238		351
239	sub lock_wait($) {	352	sub lock_wait($) {
240	my ($key) = @_;	353	my ($key) = @_;
241		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
242	# wait for lock, if any	360	# wait for lock, if any
243	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
244	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	364	Coro::schedule;
246	}	365	}
247	}	366	}
248		367
…		…
251		370
252	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
253	lock_wait $key;	372	lock_wait $key;
254		373
255	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
256		376
257	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
260	}	381	}
261	}	382	}
262		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
263	sub freeze_mainloop {	390	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
265		392
266	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
267	$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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
268	};	454	}
269	$TICK_WATCHER->stop;	455	};
270	$guard	456
		457	sub get_slot($;$$) {
		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	$sig->wait;
271	}	469	}
272		470
273	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
274		472
275	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		478
281	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
282		480
283	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
284		482
285	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
288		487
289	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
292	fast or be very important.	491	fast or be very important.
…		…
295		494
296	sub sync_job(&) {	495	sub sync_job(&) {
297	my ($job) = @_;	496	my ($job) = @_;
298		497
299	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
300	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
302		503
303	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	505
305	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
306		507
307	my $busy = 1;	508	my $busy = 1;
308	my @res;	509	my @res;
309		510
310	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	513	@res = eval { $job->() };
312	warn $@ if $@;	514	warn $@ if $@;
313	undef $busy;	515	undef $busy;
314	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
315		517
316	while ($busy) {	518	while ($busy) {
317	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
318	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
319		529
320	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
321	} else {	531	} else {
322	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
323		533
…		…
343	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
344		554
345	$coro	555	$coro
346	}	556	}
347		557
348	sub write_runtime {	558	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		559
351	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.
352		564
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
354	or return;
355		566
356	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		569
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
361	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
362		573
363	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	575	reset_signals;
365	and return;	576	&$cb
		577	}, @args;
366		578
367	close $fh	579	wantarray ? @res : $res[-1]
368	or return;	580	}
369		581
370	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
371	and return;
372		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		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($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
373	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		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"
374	}	734	}
375		735
376	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
377		737
378	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
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 : $_[0];
…		…
974		1461
975	sub exists($) {	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];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
995		1482
996	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
999	}	1492	}
1000	}	1493	}
1001	}	1494	}
1002		1495
…		…
1011	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1012		1505
1013	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1015		1508
		1509	cf::get_slot 0.01;
		1510
1016	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1017	Coro::cede;	1512	cf::cede_to_tick;
1018	}	1513	}
1019		1514
1020	sub new($) {	1515	sub new($) {
1021	my ($login) = @_;	1516	my ($login) = @_;
1022		1517
…		…
1028	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1029		1524
1030	$self	1525	$self
1031	}	1526	}
1032		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
1033	=item $pl->quit_character	1538	=item $pl->quit_character
1034		1539
1035	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1037		1542
…		…
1041	my ($pl) = @_;	1546	my ($pl) = @_;
1042		1547
1043	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1044		1549
1045	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1046	$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
1047		1552
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1052		1559
1053	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1085		1592
1086	=cut	1593	=cut
1087		1594
1088	sub list_logins {	1595	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1597	or return [];
1091		1598
1092	my @logins;	1599	my @logins;
1093		1600
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1098		1611
1099	utf8::decode $login;	1612	utf8::decode $login;
1100	push @logins, $login;	1613	push @logins, $login;
1101	}	1614	}
1102		1615
…		…
1129	}	1642	}
1130		1643
1131	\@paths	1644	\@paths
1132	}	1645	}
1133		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1134	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1135		1652
1136	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1137		1654
1138	=cut	1655	=cut
1139		1656
1140	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1142		1659
1143	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1661	}
1147		1662
1148	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1149		1664
1150	Sends an ext event to the client.	1665	Sends an ext event to the client.
1151		1666
1152	=cut	1667	=cut
1153		1668
1154	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1156		1671
1157	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1158	}	1673	}
1159		1674
1160	=head3 cf::region	1675	=head3 cf::region
1161		1676
1162	=over 4	1677	=over 4
…		…
1165		1680
1166	package cf::region;	1681	package cf::region;
1167		1682
1168	=item cf::region::find_by_path $path	1683	=item cf::region::find_by_path $path
1169		1684
1170	Tries to decuce the probable region for a map knowing only its path.	1685	Tries to decuce the likely region for a map knowing only its path.
1171		1686
1172	=cut	1687	=cut
1173		1688
1174	sub find_by_path($) {	1689	sub find_by_path($) {
1175	my ($path) = @_;	1690	my ($path) = @_;
1176		1691
1177	my ($match, $specificity);	1692	my ($match, $specificity);
1178		1693
1179	for my $region (list) {	1694	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1695	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1696	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1697	if $region->specificity > $specificity;
1183	}	1698	}
1184	}	1699	}
1185		1700
…		…
1206	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1208		1723
1209	sub generate_random_map {	1724	sub generate_random_map {
1210	my ($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
1211	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1730	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1250		1768
1251	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1252	local $self->{path};	1770	local $self->{path};
1253	local $self->{load_path};	1771	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1772
1257	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1258	}	1774	}
1259		1775
1260	sub normalise {	1776	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1308	return $self;	1824	return $self;
1309	}	1825	}
1310	}	1826	}
1311		1827
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1829	()
1314	}	1830	}
1315		1831
1316	sub init {	1832	sub init {
1317	my ($self) = @_;	1833	my ($self) = @_;
…		…
1332		1848
1333	# the original (read-only) location	1849	# the original (read-only) location
1334	sub load_path {	1850	sub load_path {
1335	my ($self) = @_;	1851	my ($self) = @_;
1336		1852
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1338	}	1854	}
1339		1855
1340	# the temporary/swap location	1856	# the temporary/swap location
1341	sub save_path {	1857	sub save_path {
1342	my ($self) = @_;	1858	my ($self) = @_;
1343		1859
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1346	}	1862	}
1347		1863
1348	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1349	sub uniq_path {	1865	sub uniq_path {
1350	my ($self) = @_;	1866	my ($self) = @_;
1351		1867
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1354	}	1870	}
1355		1871
1356	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1357	# all maps in C++...	1873	# all maps in C++...
1358	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1360		1876
1361	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1363	}	1879	}
1364		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1365	sub unlink_save {	1889	sub unlink_save {
1366	my ($self) = @_;	1890	my ($self) = @_;
1367		1891
1368	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1896
1373	sub load_header_from($) {	1897	sub load_header_from($) {
1374	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1375		1899
1376	utf8::encode $path;	1900	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1909
1383	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1384		1911
1385	1	1912	1
1386	}	1913	}
…		…
1425	$self->load_header_orig	1952	$self->load_header_orig
1426	or return;	1953	or return;
1427	$self->prepare_orig;	1954	$self->prepare_orig;
1428	}	1955	}
1429		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1430	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1961	unless $self->default_region;
1432		1962
1433	1	1963	1
1434	}	1964	}
…		…
1437	sub find {	1967	sub find {
1438	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1439		1969
1440	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1441		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1443		1974
1444	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1446	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1447	or return;	1980	or return;
1448		1981
1449	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1450		1983
1451	$map->load_header	1984	$map->load_header
1452	or return;	1985	or return;
1453		1986
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1457	$map->reset;	1992	$map->reset;
1458	undef $guard;
1459	return find $path;	1993	return find $path;
1460	}	1994	}
1461		1995
1462	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1463	}	1997	}
…		…
1470	my ($self) = @_;	2004	my ($self) = @_;
1471		2005
1472	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1473		2007
1474	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1476		2012
		2013	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2015
1479	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1480		2017
1481	$self->alloc;	2018	$self->alloc;
1482		2019
1483	$self->pre_load;	2020	$self->pre_load;
1484	Coro::cede;	2021	cf::cede_to_tick;
1485		2022
1486	$self->_load_objects ($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)
1487	or return;	2026	or return;
1488		2027
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1490	if delete $self->{load_original};	2029	if delete $self->{load_original};
1491		2030
1492	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2032	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2035	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1497	}	2039	}
1498	}	2040	}
1499		2041
1500	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1501	# now do the right thing for maps	2045	# now do the right thing for maps
1502	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2048	unless $self->difficulty;
1513	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($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;
1514	$self->activate;	2058	$self->activate;
1515	Coro::cede;	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2065	}
1517		2066
1518	$self->post_load;	2067	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2068	}
1523		2069
1524	sub customise_for {	2070	sub customise_for {
1525	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1526		2072
1527	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2074	if $self->per_player;
1529		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1530	$self	2079	$self
1531	}	2080	}
1532		2081
1533	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2083	sub load_neighbours {
1535	my ($map) = @_;	2084	my ($map) = @_;
1536		2085
1537	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1538		2087
1539	for (0 .. 3) {	2088	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1541	or next;	2090	or next;
1542	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1543	or next;	2092	or next;
1544	$neigh->load;	2093	$neigh->load;
1545		2094
		2095	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2098	}
1549		2099
1550	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1552	or next;	2103	or next;
1553	$neigh->load;	2104	$neigh->load;
1554	}	2105	}
1555	}	2106	}
1556		2107
…		…
1561	}	2112	}
1562		2113
1563	sub do_load_sync {	2114	sub do_load_sync {
1564	my ($map) = @_;	2115	my ($map) = @_;
1565		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1566	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1567	}	2121	}
1568		2122
1569	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1571		2125
1572	sub find_async {	2126	sub find_async {
1573	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1574		2128
1575	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1576		2130
1577	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2133	}
1580		2134
1581	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1582	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1583	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2142	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2143	$map->load if $v;
		2144	}
1588		2145
1589	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1590	}	2147	}
1591	}	2148	}
1592	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1593	};	2150	};
1594	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2154	}
1598		2155
1599	sub save {	2156	sub save {
1600	my ($self) = @_;	2157	my ($self) = @_;
1601		2158
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2160
1604	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1605		2162
1606	return unless $self->dirty;	2163	return unless $self->dirty;
1607		2164
…		…
1613	return if $self->{deny_save};	2170	return if $self->{deny_save};
1614		2171
1615	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1616		2173
1617	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1619	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1620		2180
1621	if ($uniq) {	2181	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2184	} else {
…		…
1630	my ($self) = @_;	2190	my ($self) = @_;
1631		2191
1632	# save first because save cedes	2192	# save first because save cedes
1633	$self->save;	2193	$self->save;
1634		2194
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2196
1637	return if $self->players;	2197	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2199	return if $self->{deny_save};
1640		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2205	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2206	}
1644		2207
1645	sub reset_at {	2208	sub reset_at {
1646	my ($self) = @_;	2209	my ($self) = @_;
1647		2210
1648	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1651		2213
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2216
…		…
1665	my ($self) = @_;	2227	my ($self) = @_;
1666		2228
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2230
1669	return if $self->players;	2231	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2232
1672	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
1673		2234
1674	$self->in_memory (cf::MAP_SWAPPED);	2235	$self->in_memory (cf::MAP_SWAPPED);
1675		2236
1676	# need to save uniques path	2237	# need to save uniques path
1677	unless ($self->{deny_save}) {	2238	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2242	if $uniq;
1682	}	2243	}
1683		2244
1684	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1685		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2249	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2250
1690	$self->unlink_save;	2251	$self->unlink_save;
1691	$self->destroy;	2252	$self->destroy;
1692	}	2253	}
1693		2254
1694	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1695		2256
1696	sub nuke {	2257	sub nuke {
1697	my ($self) = @_;	2258	my ($self) = @_;
1698		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1699	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1700		2264
1701	$self->unlink_save;	2265	$self->unlink_save;
1702		2266
1703	bless $self, "cf::map";	2267	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2272
1709	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1710		2275
1711	$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	]
1712	}	2313	}
1713		2314
1714	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1715		2316
1716	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2318	instantiated unique items. May block.
1718		2319
1719	=cut	2320	=cut
1720		2321
1721	sub unique_maps() {	2322	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1723	or return;	2324	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2325	utf8::decode $_;
1729	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2328	? ()
1732	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2331	]
1734
1735	\@paths
1736	}	2332	}
1737
1738	package cf;
1739		2333
1740	=back	2334	=back
1741		2335
1742	=head3 cf::object	2336	=head3 cf::object
1743		2337
…		…
1747		2341
1748	=over 4	2342	=over 4
1749		2343
1750	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1751		2345
1752	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.
1753		2348
1754	=cut	2349	=cut
1755		2350
1756	sub inv_recursive_;	2351	sub inv_recursive_;
1757	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1760		2355
1761	sub inv_recursive {	2356	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1763	}	2358	}
1764		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
1765	package cf;	2388	package cf;
1766		2389
1767	=back	2390	=back
1768		2391
1769	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1778		2401
1779	=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	};
1780		2417
1781	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2419	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1786		2423
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2425
1789	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1794	}	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 (@_);
1795	}	2451	}
1796		2452
1797	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1798		2454
1799	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1812		2468
1813	=item $player_object->enter_link	2469	=item $player_object->enter_link
1814		2470
1815	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}>).
1816		2472
1817	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.
1818	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.
1819		2477
1820	Will never block.	2478	Will never block.
1821		2479
1822	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1823		2481
…		…
1846	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1847		2505
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2507
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1852		2510
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2512	}
1855		2513
1856	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1858		2518
1859	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1860		2520
1861	unless ($map) {	2521	unless ($map) {
1862	# restore original map position	2522	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1879		2539
1880	$map->load;	2540	$map->load;
1881	$map->load_diag;	2541	$map->load_neighbours;
1882		2542
1883	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2545	$self->activate_recursive;
1885		2546
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1888	}	2549	}
1889		2550
1890	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2552
1894	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1898	};	2557	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2558
1904	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2561
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1925		2565
1926	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1927	my ($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;
1928		2571
1929	$self->enter_link;	2572	$self->enter_link;
1930		2573
1931	(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
1932	my $map = eval {	2596	my $map = eval {
1933	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2612	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1940	})->prio (1);	2620	})->prio (1);
1941	}	2621	}
1942		2622
1943	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1944		2624
…		…
1964	}	2644	}
1965		2645
1966	sub prepare_random_map {	2646	sub prepare_random_map {
1967	my ($exit) = @_;	2647	my ($exit) = @_;
1968		2648
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2651	# that depends on the exit object
1974		2652
1975	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2655	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1982	}	2662	}
1983		2663
1984	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1985		2665
1986	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1989		2669
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2672	undef $fh;
1993	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1994		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1997	}	2681	}
1998	}	2682	}
1999		2683
2000	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2002		2686
2003	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2004		2688
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2689	$self->enter_link;
2017		2690
2018	(async {	2691	(async {
2019	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2022		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
2023	1;	2715	1
2024	}) {	2716	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2721
2030	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2049		2741
2050	utf8::encode $text;	2742	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2744	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2055		2898
2056	Sends an exti event to the client.	2899	Sends an ext event to the client.
2057		2900
2058	=cut	2901	=cut
2059		2902
2060	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2062		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2065	}	2930	}
2066		2931
2067	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2068		2933
2069	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2937
2073	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
2074	reliable at some point in the future.	2939	become reliable at some point in the future.
2075		2940
2076	=cut	2941	=cut
2077		2942
2078	sub cf::client::query {	2943	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2952	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2954
2090	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2092	}	2959	}
2093		2960
2094	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	},
2095	on_reply => sub {	2967	on_reply => sub {
2096	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2097		2969
2098	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2099	# get handled first	2971	# get handled first
…		…
2111	} else {	2983	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2985	}
2114	}	2986	}
2115	},	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	},
2116	);	3014	);
2117		3015
2118	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2119		3017
2120	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2163		3061
2164	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2165		3063
2166	$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	));
2167		3069
2168	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2169		3071
2170	=pod	3072	=pod
2171		3073
2172	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2173		3075
2174	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
2175	cf::object::player player	3080	cf::object::player
2176	cf::player peaceful	3081	player
2177	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2178		3088
2179	=cut	3089	=cut
2180		3090
2181	for (	3091	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2186	) {	3098	) {
2187	no strict 'refs';	3099	no strict 'refs';
…		…
2258	=back	3170	=back
2259		3171
2260	=cut	3172	=cut
2261		3173
2262	#############################################################################	3174	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3175	# the server's init and main functions
2336		3176
2337	sub load_facedata {	3177	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3178	my ($path) = @_;
		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3185
2340	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2341		3187
2342	my $facedata;	3188	my $facedata;
2343	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2347		3193
2348	$facedata->{version} == 2	3194	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3204	{
2352	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2353		3206
2354	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3214
		3215	cf::cede_to_tick;
2360	}	3216	}
2361		3217
2362	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2364	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2365	or next;	3222	or next;
		3223
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3227	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3229	}
2371	Coro::cede;	3230
		3231	cf::cede_to_tick;
2372	}	3232	}
2373	}	3233	}
2374		3234
2375	{	3235	{
2376	my $anims = $facedata->{animinfo};	3236	my $anims = $facedata->{animinfo};
2377		3237
2378	while (my ($anim, $info) = each %$anims) {	3238	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3240	cf::cede_to_tick;
2381	}	3241	}
2382		3242
2383	cf::anim::invalidate_all; # d'oh	3243	cf::anim::invalidate_all; # d'oh
2384	}	3244	}
2385		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2386	1	3281	1
2387	}	3282	}
2388		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
2389	sub reload_resources {	3351	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3353
2392	load_facedata	3354	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3355	reload_archetypes;
2394	}
2395
2396	sub init {
2397	reload_resources;	3356	reload_regions;
2398	}	3357	reload_treasures;
2399		3358
2400	sub cfg_load {	3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3364	or return;
2403		3365
2404	local $/;	3366	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2406		3368
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2408		3370
2409	$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};
2410	$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};
…		…
2416	};	3378	};
2417	warn $@ if $@;	3379	warn $@ if $@;
2418	}	3380	}
2419	}	3381	}
2420		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
2421	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
2422	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2424	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#
2425	(async {	3421	(async {
2426	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2428	};	3425	};
2429		3426
2430	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2431	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
2432	load_extensions;	3445	load_extensions;
2433		3446
2434	$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
2435	Event::loop;	3455	EV::loop;
2436	}	3456	}
2437		3457
2438	#############################################################################	3458	#############################################################################
2439	# initialisation and cleanup	3459	# initialisation and cleanup
2440		3460
2441	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2442	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2451	},
2452	);	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
2453	}	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($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2454	}	3555	}
2455		3556
2456	sub emergency_save() {	3557	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2458		3559
…		…
2464	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2466	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3571	$pl->save;
2470	}	3572	}
2471	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2472		3574
2473	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2479	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2480		3582
2481	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2484	};	3590	};
2485		3591
2486	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2487	}	3593	}
2488		3594
2489	sub post_cleanup {	3595	sub post_cleanup {
2490	my ($make_core) = @_;	3596	my ($make_core) = @_;
2491		3597
2492	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3599	if $make_core;
2494	}
2495		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		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 $pkg\n";#d#
		3629	}
		3630
2496	sub reload() {	3631	sub do_reload_perl() {
2497	# can/must only be called in main	3632	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2500	return;	3635	return;
2501	}	3636	}
2502		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2503	warn "reloading...";	3641	warn "reloading...";
2504		3642
2505	warn "entering sync_job";	3643	warn "entering sync_job";
2506		3644
2507	cf::sync_job {	3645	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2509	cf::emergency_save;	3647	cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2511		3649
2512	warn "syncing database to disk";	3650	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2514		3652
2515	# 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
2516		3654
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2528	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();
2536
2537	warn "removing commands";
2538	%COMMAND = ();
2539
2540	warn "removing ext commands";
2541	%EXTCMD = ();
2542
2543	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";
2546
2547	if (my $cb = $pkg->can ("unload")) {
2548	eval {
2549	$cb->($pkg);
2550	1
2551	} or warn "$pkg unloaded, but with errors: $@";
2552	}	3658	}
2553		3659
2554	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2555	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2556	}	3662	%EXT_CORO = ();
2557		3663
2558	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2559	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2562	warn "... unloading $k";	3673	warn "... unloading $pkg";
2563	delete $INC{$k};
2564		3674
2565	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;
2567
2568	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2569	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2570	}	3684	}
2571		3685
2572	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 $k;
2573	}	3701	}
2574		3702
2575	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2577	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);
2578		3706
2579	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2581		3710
2582	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3712	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2585		3714
2586	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2587		3716
2588	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2589	require cf;	3718	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3720
2592	warn "loading config and database again";	3721	warn "loading config and database again";
2593	cf::cfg_load;	3722	cf::reload_config;
2594		3723
2595	warn "loading extensions";	3724	warn "loading extensions";
2596	cf::load_extensions;	3725	cf::load_extensions;
2597		3726
2598	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2604		3733
2605	warn "loading reloadable resources";	3734	warn "running post_load";
2606	reload_resources;	3735	(pop @POST_INIT)->(1) while @POST_INIT;
2607		3736
2608	warn "leaving sync_job";	3737	warn "leaving sync_job";
2609		3738
2610	1	3739	1
2611	} or do {	3740	} or do {
2612	warn $@;	3741	warn $@;
2613	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2614	exit 1;	3743	};
		3744
		3745	warn "reloaded";
		3746	--$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;
2615	};	3759	};
2616		3760	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		3761
2622	register_command "reload" => sub {	3762	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2624		3764
2625	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
2627		3767	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3768	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	3769	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3770	};
2640	}	3771	}
2641	};	3772	};
2642		3773
2643	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2644		3775
…		…
2646		3777
2647	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
2649		3780
2650	sub wait_for_tick {	3781	sub wait_for_tick {
		3782	return if tick_inhibit || $Coro::current == $Coro::main;
		3783
2651	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
2652	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;	3786	$signal->wait;
2654	}	3787	}
2655		3788
2656	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
		3790	return if tick_inhibit || $Coro::current == $Coro::main;
		3791
2657	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	3794	$signal->wait;
2660	}	3795	}
2661		3796
2662	$TICK_WATCHER = Event->timer (	3797	sub tick {
2663	reentrant => 0,
2664	parked => 1,
2665	prio => 0,
2666	at => $NEXT_TICK || $TICK,
2667	data => WF_AUTOCANCEL,
2668	cb => sub {
2669	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2672	return;	3801	return;
2673	}	3802	}
2674		3803
2675	$NOW = Event::time;
2676
2677	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2678	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;
2680		3805
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2683	Coro::async_pool {	3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
2684	write_runtime	3810	write_runtime_sync
2685	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2686	};
2687	}	3812	};
		3813	}
2688		3814
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	3816	$sig->send;
2691	}	3817	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;	3819	$sig->send;
2694	}
2695
2696	# my $AFTER = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698
2699	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2701
2702	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;
2704	},	3820	}
2705	);	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	}
2706		3833
2707	{	3834	{
2708	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2709	$BDB_POLL_WATCHER = Event->io (	3836
2710	reentrant => 0,
2711	fd => BDB::poll_fileno,
2712	poll => 'r',
2713	prio => 0,
2714	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,
2716	);
2717	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2718		3838	BDB::max_poll_reqs $TICK * 0.1;
2719	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2720	my $status;
2721	my $current = $Coro::current;
2722	(
2723	sub {
2724	$status = $!;
2725	$current->ready; undef $current;
2726	},
2727	sub {
2728	Coro::schedule while defined $current;
2729	$! = $status;
2730	},
2731	)
2732	};
2733		3840
2734	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2735	$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);
2736		3848
2737	cf::sync_job {	3849	cf::sync_job {
2738	eval {	3850	eval {
2739	BDB::db_env_open	3851	BDB::db_env_open
2740	$DB_ENV,	3852	$DB_ENV,
2741	$BDB_ENV_DIR,	3853	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	3856	0666;
2745		3857
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	3859	};
2751		3860
2752	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	3862	};
2754	}	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	};
2755	}	3874	}
2756		3875
2757	{	3876	{
		3877	# configure IO::AIO
		3878
2758	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2759
2760	undef $Coro::AIO::WATCHER;
2761	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2762	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2763	reentrant => 0,
2764	data => WF_AUTOCANCEL,
2765	fd => IO::AIO::poll_fileno,
2766	poll => 'r',
2767	prio => 6,
2768	cb => \&IO::AIO::poll_cb,
2769	);
2770	}	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;
2771		3928
2772	END { cf::emergency_save }	3929	END { cf::emergency_save }
2773		3930
2774	1	3931	1
2775		3932

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