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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
		83	our $RELOAD; # number of reloads so far
48	our @EVENT;	84	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		85
51	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	87	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
		101
		102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	104	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	110	our $DB_ENV;
61		111
62	our %CFG;	112	our %CFG;
63		113
64	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
66		117
67	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		121
76	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
79	binmode STDOUT;	130	binmode STDOUT;
80	binmode STDERR;	131	binmode STDERR;
81		132
82	# read virtual server time, if available	133	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
87	}	138	}
88		139
89	mkdir cf::localdir;	140	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		142
96	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
97		144
98	sub cf::map::normalise;	145	sub cf::map::normalise;
99		146
…		…
110	=item $cf::RUNTIME	157	=item $cf::RUNTIME
111		158
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	159	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	160	every server tick.
114		161
115	=item $cf::LIBDIR	162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		165
117	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		168	unique-items directory, player file directory, random maps directory and
		169	database environment.
119		170
120	=item $cf::NOW	171	=item $cf::NOW
121		172
122	The time of the last (current) server tick.	173	The time of the last (current) server tick.
123		174
124	=item $cf::TICK	175	=item $cf::TICK
125		176
126	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
127		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
128	=item %cf::CFG	189	=item %cf::CFG
129		190
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	192	from wherever your confdir points to.
132		193
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		195
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	197	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
139		205
140	=back	206	=back
141		207
142	=cut	208	=cut
143		209
144	BEGIN {	210	BEGIN {
145	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	212	my $msg = join "", @_;
147	utf8::encode $msg;
148		213
149	$msg .= "\n"	214	$msg .= "\n"
150	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
151		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
152	LOG llevError, $msg;	219	LOG llevError, $msg;
153	};	220	};
154	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
155		237
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		245
163	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	247	# within the Safe compartment.
165	for my $pkg (qw(	248	for my $pkg (qw(
166	cf::global cf::attachable	249	cf::global cf::attachable
167	cf::object cf::object::player	250	cf::object cf::object::player
168	cf::client cf::player	251	cf::client cf::player
169	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
170	cf::map cf::party cf::region	254	cf::party cf::region
171	)) {	255	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	257	}
175		258
176	$Event::DIED = sub {	259	$EV::DIED = sub {
177	warn "error in event callback: @_";	260	warn "error in event callback: @_";
178	};	261	};
		262
		263	#############################################################################
179		264
180	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
181		266
182	=over 4	267	=over 4
183		268
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	288	$d
204	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
205	}	290	}
206		291
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
210		293
211	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
212		295
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
221		297
222	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
223		299
224	=cut	300	=cut
225		301
226	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
228	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
230		306
231	=item cf::lock_wait $string	307	=item cf::lock_wait $string
232		308
233	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
234		310
…		…
237	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
240	returned.	316	returned.
241		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
242	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
244		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
245	=cut	328	=cut
246		329
247	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
248		332
249	sub lock_wait($) {	333	sub lock_wait($) {
250	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
251		340
252	# wait for lock, if any	341	# wait for lock, if any
253	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	344	Coro::schedule;
…		…
261		350
262	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
263	lock_wait $key;	352	lock_wait $key;
264		353
265	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
266		356
267	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
270	}	361	}
271	}	362	}
272		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
273	sub freeze_mainloop {	370	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
275		372
276	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	374	}
278	$WRITE_RUNTIME_WATCHER->start;	375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
279	};	434	}
280	$WRITE_RUNTIME_WATCHER->stop;	435	};
281	$TICK_WATCHER->stop;	436
282	$guard	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
283	}	449	}
284		450
285	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
286		452
287	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		458
293	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
294		460
295	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
296		462
297	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
300		467
301	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
304	fast or be very important.	471	fast or be very important.
…		…
307		474
308	sub sync_job(&) {	475	sub sync_job(&) {
309	my ($job) = @_;	476	my ($job) = @_;
310		477
311	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
312	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
314		483
315	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	485
317	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
318		487
319	my $busy = 1;	488	my $busy = 1;
320	my @res;	489	my @res;
321		490
322	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	493	@res = eval { $job->() };
324	warn $@ if $@;	494	warn $@ if $@;
325	undef $busy;	495	undef $busy;
326	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
327		497
328	while ($busy) {	498	while ($busy) {
329	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
330	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
331		509
332	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
333	} else {	511	} else {
334	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
335		513
…		…
355	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
356		534
357	$coro	535	$coro
358	}	536	}
359		537
360	sub write_runtime {	538	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		539
363	my $runtime = cf::localdir . "/runtime";	540	Executes the given code block with the given arguments in a seperate
		541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
364		544
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	=cut
366	or return;
367		546
368	my $value = $cf::RUNTIME + 90 + 10;	547	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	548	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		549
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	# we seemingly have to make a local copy of the whole thing,
373	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
374		553
375	# always fsync - this file is important	554	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	555	reset_signals;
377	and return;	556	&$cb
		557	}, @args;
378		558
379	close $fh	559	wantarray ? @res : $res[-1]
380	or return;	560	}
381		561
382	aio_rename "$runtime~", $runtime	562	=item $coin = coin_from_name $name
383	and return;
384		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
385	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
		714	}
		715
		716	=item cf::datalog type => key => value, ...
		717
		718	Log a datalog packet of the given type with the given key-value pairs.
		719
		720	=cut
		721
		722	sub datalog($@) {
		723	my ($type, %kv) = @_;
		724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	725	}
387		726
388	=back	727	=back
389		728
390	=cut	729	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
399		738
400	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	741	Deliantra).
403		742
404	=over 4	743	=over 4
405		744
406	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
407		746
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
571		910
572	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		915
577	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	917	my $pkg = shift @arg;
579		918
580	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
610	}	949	}
611		950
612	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
613	} else {	952	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	954	}
616		955
617	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
618	}	957	}
619		958
…		…
621	if (ref $_[0]) {	960	if (ref $_[0]) {
622	_object_attach @_;	961	_object_attach @_;
623	} else {	962	} else {
624	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
625	}	964	}
		965	_recalc_want;
626	};	966	};
627		967
628	# all those should be optimised	968	# all those should be optimised
629	sub cf::attachable::detach {	969	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
634	reattach ($obj);	974	reattach ($obj);
635	} else {	975	} else {
636	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
637	}	977	}
		978	_recalc_want;
638	};	979	};
639		980
640	sub cf::attachable::attached {	981	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
642		983
…		…
657	";	998	";
658	die if $@;	999	die if $@;
659	}	1000	}
660		1001
661	our $override;	1002	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		1004
664	sub override {	1005	sub override {
665	$override = 1;	1006	$override = 1;
666	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
667	}	1008	}
668		1009
669	sub do_invoke {	1010	sub do_invoke {
670	my $event = shift;	1011	my $event = shift;
671	my $callbacks = shift;	1012	my $callbacks = shift;
672		1013
673	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
674		1015
675	local $override;	1016	local $override;
676		1017
677	for (@$callbacks) {	1018	for (@$callbacks) {
678	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
687	}	1028	}
688		1029
689	0	1030	0
690	}	1031	}
691		1032
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1034
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1036
696	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
697		1038
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1042
702	=back	1043	=back
703		1044
704	=cut	1045	=cut
705		1046
706	#############################################################################	1047	#############################################################################
707	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
708		1091
709	sub reattach {	1092	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1094	my ($obj) = @_;
712		1095
		1096	# no longer needed after getting rid of delete_package?
713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
714		1098
715	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
716		1100
717	@$registry = ();	1101	@$registry = ();
718		1102
…		…
733	cf::attachable->attach (	1117	cf::attachable->attach (
734	prio => -1000000,	1118	prio => -1000000,
735	on_instantiate => sub {	1119	on_instantiate => sub {
736	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
737		1121
738	$data = from_json $data;	1122	$data = decode_json $data;
739		1123
740	for (@$data) {	1124	for (@$data) {
741	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
742		1126
743	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1143	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
761		1145
762	sync_job {	1146	sync_job {
763	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
766		1151
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1156	aio_close $fh;
772		1157
773	if (@$objs) {	1158	if (@$objs) {
774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1164	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
781	}	1166	}
782	} else {	1167	} else {
783	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
784	}	1169	}
…		…
789	}	1174	}
790	} else {	1175	} else {
791	aio_unlink $filename;	1176	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
793	}	1178	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1179	};
801	}	1180	}
802		1181
803	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
805		1184
…		…
810		1189
811	sub object_thawer_load {	1190	sub object_thawer_load {
812	my ($filename) = @_;	1191	my ($filename) = @_;
813		1192
814	my ($data, $av);	1193	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1194
819	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
820	or return;	1196	or return;
821		1197
822	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
824	or return;	1200	or return;
		1201
825	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
826	}	1204	}
827		1205
		1206	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
830	return ($data, $av);	1210	($data, $av)
831	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
832		1218
833	#############################################################################	1219	#############################################################################
834	# command handling &c	1220	# command handling &c
835		1221
836	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1236	}
851		1237
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1239
854	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
855		1245
856	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
857	called.	1247	called.
858		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
859	=cut	1260	=cut
860		1261
861	sub register_extcmd {	1262	sub register_extcmd {
862	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
863		1264
864	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
865	}	1272	}
866		1273
867	cf::player->attach (	1274	cf::player->attach (
868	on_command => sub {	1275	on_command => sub {
869	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1285	cf::override;
879	},	1286	},
880	on_extcmd => sub {	1287	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
882		1289
883	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1291
885	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
891	} else {	1307	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1309	}
894		1310
895	cf::override;	1311	cf::override;
896	},	1312	},
897	);	1313	);
898		1314
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
934	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1320	next unless -r $path;
936	eval {	1321
937	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
938	1	1378	}
939	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
940	}	1384	};
941	}	1385	}
942		1386
943	#############################################################################	1387	#############################################################################
944		1388
		1389	=back
		1390
945	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
946		1392
947	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
948		1394
949	=cut	1395	=cut
…		…
954		1400
955	=head3 cf::player	1401	=head3 cf::player
956		1402
957	=over 4	1403	=over 4
958		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
959	=item cf::player::find $login	1419	=item cf::player::find $login
960		1420
961	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
962		1422
963	=cut	1423	=cut
964		1424
965	sub playerdir($) {	1425	sub playerdir($) {
966	cf::localdir	1426	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1428	}
972		1429
973	sub path($) {	1430	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1432
976	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
977	}	1434	}
978		1435
979	sub find_active($) {	1436	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1451	my $login = $_[0];
995		1452
996	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
997		1454
998	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1456	# rename old playerfiles to new ones
		1457	#TODO: remove when no longer required
		1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1461	aio_unlink +(playerdir $login) . "/$login.pl";
		1462
		1463	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1002	}	1472	}
1003	}	1473	}
1004	}	1474	}
1005		1475
…		…
1014	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1015		1485
1016	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1018		1488
		1489	cf::get_slot 0.01;
		1490
1019	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1020	Coro::cede;	1492	cf::cede_to_tick;
1021	}	1493	}
1022		1494
1023	sub new($) {	1495	sub new($) {
1024	my ($login) = @_;	1496	my ($login) = @_;
1025		1497
…		…
1031	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1032		1504
1033	$self	1505	$self
1034	}	1506	}
1035		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1036	=item $pl->quit_character	1518	=item $pl->quit_character
1037		1519
1038	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1040		1522
1041	=cut	1523	=cut
1042		1524
1043	sub quit_character {	1525	sub quit_character {
1044	my ($pl) = @_;	1526	my ($pl) = @_;
1045		1527
		1528	my $name = $pl->ob->name;
		1529
1046	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1048		1532
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1052	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1053		1539
1054	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1544	$pl->destroy;
		1545
		1546	my $prefix = qr<^~\Q$name\E/>;
		1547
		1548	# nuke player maps
		1549	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1550
1059	IO::AIO::aio_rmtree $temp;	1551	IO::AIO::aio_rmtree $temp;
		1552	}
		1553
		1554	=item $pl->kick
		1555
		1556	Kicks a player out of the game. This destroys the connection.
		1557
		1558	=cut
		1559
		1560	sub kick {
		1561	my ($pl, $kicker) = @_;
		1562
		1563	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1564	$pl->killer ("kicked");
		1565	$pl->ns->destroy;
1060	}	1566	}
1061		1567
1062	=item cf::player::list_logins	1568	=item cf::player::list_logins
1063		1569
1064	Returns am arrayref of all valid playernames in the system, can take a	1570	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1066		1572
1067	=cut	1573	=cut
1068		1574
1069	sub list_logins {	1575	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1577	or return [];
1072		1578
1073	my @logins;	1579	my @logins;
1074		1580
1075	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1079		1591
1080	utf8::decode $login;	1592	utf8::decode $login;
1081	push @logins, $login;	1593	push @logins, $login;
1082	}	1594	}
1083		1595
…		…
1110	}	1622	}
1111		1623
1112	\@paths	1624	\@paths
1113	}	1625	}
1114		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1116		1632
1117	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1118		1634
1119	=cut	1635	=cut
1120		1636
1121	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1123		1639
1124	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1641	}
1128		1642
1129	package cf;	1643	=item $player->ext_msg ($type, @msg)
		1644
		1645	Sends an ext event to the client.
		1646
		1647	=cut
		1648
		1649	sub ext_msg($$@) {
		1650	my ($self, $type, @msg) = @_;
		1651
		1652	$self->ns->ext_msg ($type, @msg);
		1653	}
		1654
		1655	=head3 cf::region
		1656
		1657	=over 4
		1658
		1659	=cut
		1660
		1661	package cf::region;
		1662
		1663	=item cf::region::find_by_path $path
		1664
		1665	Tries to decuce the likely region for a map knowing only its path.
		1666
		1667	=cut
		1668
		1669	sub find_by_path($) {
		1670	my ($path) = @_;
		1671
		1672	my ($match, $specificity);
		1673
		1674	for my $region (list) {
		1675	if ($region->{match} && $path =~ $region->{match}) {
		1676	($match, $specificity) = ($region, $region->specificity)
		1677	if $region->specificity > $specificity;
		1678	}
		1679	}
		1680
		1681	$match
		1682	}
1130		1683
1131	=back	1684	=back
1132
1133		1685
1134	=head3 cf::map	1686	=head3 cf::map
1135		1687
1136	=over 4	1688	=over 4
1137		1689
…		…
1149	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1151		1703
1152	sub generate_random_map {	1704	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1154	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1710	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1192	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1193		1748
1194	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1195	local $self->{path};	1750	local $self->{path};
1196	local $self->{load_path};	1751	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1752
1200	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1201	}	1754	}
1202		1755
1203	sub normalise {	1756	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1251	return $self;	1804	return $self;
1252	}	1805	}
1253	}	1806	}
1254		1807
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1809	()
1257	}	1810	}
1258		1811
1259	sub init {	1812	sub init {
1260	my ($self) = @_;	1813	my ($self) = @_;
…		…
1275		1828
1276	# the original (read-only) location	1829	# the original (read-only) location
1277	sub load_path {	1830	sub load_path {
1278	my ($self) = @_;	1831	my ($self) = @_;
1279		1832
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1281	}	1834	}
1282		1835
1283	# the temporary/swap location	1836	# the temporary/swap location
1284	sub save_path {	1837	sub save_path {
1285	my ($self) = @_;	1838	my ($self) = @_;
1286		1839
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1289	}	1842	}
1290		1843
1291	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1292	sub uniq_path {	1845	sub uniq_path {
1293	my ($self) = @_;	1846	my ($self) = @_;
1294		1847
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1297	}	1850	}
1298		1851
1299	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1300	# all maps in C++...	1853	# all maps in C++...
1301	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1303		1856
1304	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1306	}	1859	}
1307		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1308	sub unlink_save {	1869	sub unlink_save {
1309	my ($self) = @_;	1870	my ($self) = @_;
1310		1871
1311	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1874	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1875	}
1320		1876
1321	sub load_header_from($) {	1877	sub load_header_from($) {
1322	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1323		1879
1324	utf8::encode $path;	1880	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1330		1889
1331	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1332		1891
1333	1	1892	1
1334	}	1893	}
…		…
1373	$self->load_header_orig	1932	$self->load_header_orig
1374	or return;	1933	or return;
1375	$self->prepare_orig;	1934	$self->prepare_orig;
1376	}	1935	}
1377		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
		1940	$self->default_region (cf::region::find_by_path $self->{path})
		1941	unless $self->default_region;
		1942
1378	1	1943	1
1379	}	1944	}
1380		1945
1381	sub find;	1946	sub find;
1382	sub find {	1947	sub find {
1383	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1384		1949
1385	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1386		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1388		1954
1389	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1390	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1391	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1392	or return;	1960	or return;
1393		1961
1394	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1395		1963
1396	$map->load_header	1964	$map->load_header
1397	or return;	1965	or return;
1398		1966
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1402	$map->reset;	1972	$map->reset;
1403	undef $guard;
1404	return find $path;	1973	return find $path;
1405	}	1974	}
1406		1975
1407	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1408	}	1977	}
…		…
1415	my ($self) = @_;	1984	my ($self) = @_;
1416		1985
1417	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1418		1987
1419	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1421		1992
		1993	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1995
1424	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1425		1997
1426	$self->alloc;	1998	$self->alloc;
1427		1999
1428	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1429		2002
1430	$self->_load_objects ($self->{load_path}, 1)	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
		2005	$self->_load_objects ($f)
1431	or return;	2006	or return;
1432		2007
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1434	if delete $self->{load_original};	2009	if delete $self->{load_original};
1435		2010
1436	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2012	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2015	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1441	}	2019	}
1442	}	2020	}
1443		2021
1444	Coro::cede;	2022	$f->resolve_delayed_derefs;
1445		2023
		2024	cf::cede_to_tick;
1446	# now do the right thing for maps	2025	# now do the right thing for maps
1447	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2028	unless $self->difficulty;
1457	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($self->{deny_activate}) {
		2032	$self->decay_objects;
		2033	$self->fix_auto_apply;
		2034	$self->update_buttons;
		2035	cf::cede_to_tick;
		2036	$self->set_darkness_map;
		2037	cf::cede_to_tick;
1458	$self->activate;	2038	$self->activate;
		2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2045	}
1460		2046
1461	$self->post_load;	2047	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2048	}
1465		2049
1466	sub customise_for {	2050	sub customise_for {
1467	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1468		2052
1469	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2054	if $self->per_player;
1471		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1472	$self	2059	$self
1473	}	2060	}
1474		2061
1475	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2063	sub load_neighbours {
1477	my ($map) = @_;	2064	my ($map) = @_;
1478		2065
1479	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1480		2067
1481	for (0 .. 3) {	2068	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1483	or next;	2070	or next;
1484	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1485	or next;	2072	or next;
1486	$neigh->load;	2073	$neigh->load;
1487		2074
		2075	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2078	}
1491		2079
1492	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1494	or next;	2083	or next;
1495	$neigh->load;	2084	$neigh->load;
1496	}	2085	}
1497	}	2086	}
1498		2087
…		…
1503	}	2092	}
1504		2093
1505	sub do_load_sync {	2094	sub do_load_sync {
1506	my ($map) = @_;	2095	my ($map) = @_;
1507		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1508	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1509	}	2101	}
1510		2102
1511	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1513		2105
1514	sub find_async {	2106	sub find_async {
1515	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1516		2108
1517	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1518		2110
1519	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2113	}
1522		2114
1523	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1524	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1525	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2122	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2123	$map->load if $v;
		2124	}
1530		2125
1531	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1532	}	2127	}
1533	}	2128	}
1534	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1535	};	2130	};
1536	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2134	}
1540		2135
1541	sub save {	2136	sub save {
1542	my ($self) = @_;	2137	my ($self) = @_;
1543		2138
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2140
1546	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1547		2142
1548	return unless $self->dirty;	2143	return unless $self->dirty;
1549		2144
…		…
1555	return if $self->{deny_save};	2150	return if $self->{deny_save};
1556		2151
1557	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1558		2153
1559	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1561	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1562		2160
1563	if ($uniq) {	2161	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2164	} else {
…		…
1572	my ($self) = @_;	2170	my ($self) = @_;
1573		2171
1574	# save first because save cedes	2172	# save first because save cedes
1575	$self->save;	2173	$self->save;
1576		2174
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2176
1579	return if $self->players;	2177	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2179	return if $self->{deny_save};
1582		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2185	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2186	}
1586		2187
1587	sub reset_at {	2188	sub reset_at {
1588	my ($self) = @_;	2189	my ($self) = @_;
1589		2190
1590	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1593		2193
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2196
…		…
1607	my ($self) = @_;	2207	my ($self) = @_;
1608		2208
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2210
1611	return if $self->players;	2211	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2212
1614	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1615		2214
1616	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1617		2216
1618	# need to save uniques path	2217	# need to save uniques path
1619	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2222	if $uniq;
1624	}	2223	}
1625		2224
1626	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1627		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2229	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2230
1632	$self->unlink_save;	2231	$self->unlink_save;
1633	$self->destroy;	2232	$self->destroy;
1634	}	2233	}
1635		2234
1636	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1637		2236
1638	sub nuke {	2237	sub nuke {
1639	my ($self) = @_;	2238	my ($self) = @_;
1640		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1641	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1642		2244
1643	$self->unlink_save;	2245	$self->unlink_save;
1644		2246
1645	bless $self, "cf::map";	2247	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2252
1651	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1652		2255
1653	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1654	}	2293	}
1655		2294
1656	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1657		2296
1658	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2298	instantiated unique items. May block.
1660		2299
1661	=cut	2300	=cut
1662		2301
1663	sub unique_maps() {	2302	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1665	or return;	2304	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2305	utf8::decode $_;
1671	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2308	? ()
1674	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2311	]
1676
1677	\@paths
1678	}	2312	}
1679
1680	package cf;
1681		2313
1682	=back	2314	=back
1683		2315
1684	=head3 cf::object	2316	=head3 cf::object
1685		2317
…		…
1689		2321
1690	=over 4	2322	=over 4
1691		2323
1692	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1693		2325
1694	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1695		2328
1696	=cut	2329	=cut
1697		2330
1698	sub inv_recursive_;	2331	sub inv_recursive_;
1699	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1702		2335
1703	sub inv_recursive {	2336	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1705	}	2338	}
1706		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1707	package cf;	2368	package cf;
1708		2369
1709	=back	2370	=back
1710		2371
1711	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1720		2381
1721	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1722		2397
1723	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2399	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1728		2403
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2405
1731	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1733	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1736	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1737	}	2431	}
1738		2432
1739	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1740		2434
1741	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2482	$self->deactivate_recursive;
1789		2483
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2484	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2485
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2487	if $self->map && $self->map->{path} ne "{link}";
1794		2488
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2489	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2490	}
1797		2491
1798	sub cf::object::player::leave_link {	2492	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2493	my ($self, $map, $x, $y) = @_;
		2494
		2495	return unless $self->contr->active;
1800		2496
1801	my $link_pos = delete $self->{_link_pos};	2497	my $link_pos = delete $self->{_link_pos};
1802		2498
1803	unless ($map) {	2499	unless ($map) {
1804	# restore original map position	2500	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2514	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2515	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2516	if $x <=0 && $y <= 0;
1821		2517
1822	$map->load;	2518	$map->load;
1823	$map->load_diag;	2519	$map->load_neighbours;
1824		2520
1825	return unless $self->contr->active;	2521	return unless $self->contr->active;
1826	$self->activate_recursive;	2522	$self->activate_recursive;
		2523
		2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2525	$self->enter_map ($map, $x, $y);
1828	}	2526	}
1829		2527
1830	cf::player->attach (	2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2529
1834	# abort map switching before logout	2530	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2531	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2532	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2533	the new (success) or old (failed) map position. In either case, $done will
1838	};	2534	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2535
1844	# try to abort aborted map switching on player login :)	2536	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2537	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2538
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1865		2542
1866	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2548
1869	$self->enter_link;	2549	$self->enter_link;
1870		2550
1871	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1872	my $map = eval {	2573	my $map = eval {
1873	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1875	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2589	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1880	})->prio (1);	2597	})->prio (1);
1881	}	2598	}
1882		2599
1883	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1884		2601
…		…
1904	}	2621	}
1905		2622
1906	sub prepare_random_map {	2623	sub prepare_random_map {
1907	my ($exit) = @_;	2624	my ($exit) = @_;
1908		2625
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2626	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2627	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2628	# that depends on the exit object
1914		2629
1915	my $rmp = parse_random_map_params $exit->msg;	2630	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2632	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2633	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2634	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2635	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2636	$rmp->{origin_y} = $exit->y;
		2637
		2638	$exit->map->touch;
1922	}	2639	}
1923		2640
1924	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1925		2642
1926	my $data = cf::to_json $rmp;	2643	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1929		2646
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2649	undef $fh;
1933	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
1934		2651
		2652	my $slaying = "?random/$md5";
		2653
		2654	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2655	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2656	$exit->msg (undef);
		2657	}
1937	}	2658	}
1938	}	2659	}
1939		2660
1940	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
1942		2663
1943	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1944		2665
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2666	$self->enter_link;
1955		2667
1956	(async {	2668	(async {
1957	$self->deactivate_recursive; # just to be sure	2669	$Coro::current->{desc} = "enter_exit";
		2670
1958	unless (eval {	2671	unless (eval {
		2672	$self->deactivate_recursive; # just to be sure
		2673
		2674	# random map handling
		2675	{
		2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2677
		2678	prepare_random_map $exit
		2679	if $exit->slaying eq "/!";
		2680	}
		2681
		2682	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $x = $exit->stats->hp;
		2684	my $y = $exit->stats->sp;
		2685
1959	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($map, $x, $y);
1960		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($map, $x, $y)
		2690	if $exit->flag (cf::FLAG_DAMNED);
		2691
1961	1;	2692	1
1962	}) {	2693	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2694	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2695	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2696	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2697	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2698
1968	warn "ERROR in enter_exit: $@";	2699	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2700	$self->leave_link;
1970	}	2701	}
1971	})->prio (1);	2702	})->prio (1);
…		…
1984		2715
1985	sub cf::client::send_drawinfo {	2716	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2717	my ($self, $text, $flags) = @_;
1987		2718
1988	utf8::encode $text;	2719	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2720	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2721	}
1991		2722
		2723	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2724
		2725	Send a drawinfo or msg packet to the client, formatting the msg for the
		2726	client if neccessary. C<$type> should be a string identifying the type of
		2727	the message, with C<log> being the default. If C<$color> is negative, suppress
		2728	the message unless the client supports the msg packet.
		2729
		2730	=cut
		2731
		2732	# non-persistent channels (usually the info channel)
		2733	our %CHANNEL = (
		2734	"c/identify" => {
		2735	id => "infobox",
		2736	title => "Identify",
		2737	reply => undef,
		2738	tooltip => "Items recently identified",
		2739	},
		2740	"c/examine" => {
		2741	id => "infobox",
		2742	title => "Examine",
		2743	reply => undef,
		2744	tooltip => "Signs and other items you examined",
		2745	},
		2746	"c/book" => {
		2747	id => "infobox",
		2748	title => "Book",
		2749	reply => undef,
		2750	tooltip => "The contents of a note or book",
		2751	},
		2752	"c/lookat" => {
		2753	id => "infobox",
		2754	title => "Look",
		2755	reply => undef,
		2756	tooltip => "What you saw there",
		2757	},
		2758	"c/who" => {
		2759	id => "infobox",
		2760	title => "Players",
		2761	reply => undef,
		2762	tooltip => "Shows players who are currently online",
		2763	},
		2764	"c/body" => {
		2765	id => "infobox",
		2766	title => "Body Parts",
		2767	reply => undef,
		2768	tooltip => "Shows which body parts you posess and are available",
		2769	},
		2770	"c/uptime" => {
		2771	id => "infobox",
		2772	title => "Uptime",
		2773	reply => undef,
		2774	tooltip => "How long the server has been running since last restart",
		2775	},
		2776	"c/mapinfo" => {
		2777	id => "infobox",
		2778	title => "Map Info",
		2779	reply => undef,
		2780	tooltip => "Information related to the maps",
		2781	},
		2782	"c/party" => {
		2783	id => "party",
		2784	title => "Party",
		2785	reply => "gsay ",
		2786	tooltip => "Messages and chat related to your party",
		2787	},
		2788	);
		2789
		2790	sub cf::client::send_msg {
		2791	my ($self, $channel, $msg, $color, @extra) = @_;
		2792
		2793	$msg = $self->pl->expand_cfpod ($msg);
		2794
		2795	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2796
		2797	# check predefined channels, for the benefit of C
		2798	if ($CHANNEL{$channel}) {
		2799	$channel = $CHANNEL{$channel};
		2800
		2801	$self->ext_msg (channel_info => $channel)
		2802	if $self->can_msg;
		2803
		2804	$channel = $channel->{id};
		2805
		2806	} elsif (ref $channel) {
		2807	# send meta info to client, if not yet sent
		2808	unless (exists $self->{channel}{$channel->{id}}) {
		2809	$self->{channel}{$channel->{id}} = $channel;
		2810	$self->ext_msg (channel_info => $channel)
		2811	if $self->can_msg;
		2812	}
		2813
		2814	$channel = $channel->{id};
		2815	}
		2816
		2817	return unless @extra || length $msg;
		2818
		2819	if ($self->can_msg) {
		2820	# default colour, mask it out
		2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2822	if $color & cf::NDI_DEF;
		2823
		2824	my $pkt = "msg "
		2825	. $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2827	);
		2828
		2829	# try lzf for large packets
		2830	$pkt = "lzf " . Compress::LZF::compress $pkt
		2831	if 1024 <= length $pkt and $self->{can_lzf};
		2832
		2833	# split very large packets
		2834	if (8192 < length $pkt and $self->{can_lzf}) {
		2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2836	$pkt = "frag";
		2837	}
		2838
		2839	$self->send_packet ($pkt);
		2840	} else {
		2841	if ($color >= 0) {
		2842	# replace some tags by gcfclient-compatible ones
		2843	for ($msg) {
		2844	1 while
		2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2850	}
		2851
		2852	$color &= cf::NDI_COLOR_MASK;
		2853
		2854	utf8::encode $msg;
		2855
		2856	if (0 && $msg =~ /\[/) {
		2857	# COMMAND/INFO
		2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2859	} else {
		2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2861	$self->send_packet ("drawinfo $color $msg")
		2862	}
		2863	}
		2864	}
		2865	}
		2866
		2867	=item $client->ext_msg ($type, @msg)
		2868
		2869	Sends an ext event to the client.
		2870
		2871	=cut
		2872
		2873	sub cf::client::ext_msg($$@) {
		2874	my ($self, $type, @msg) = @_;
		2875
		2876	if ($self->extcmd == 2) {
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2878	} elsif ($self->extcmd == 1) { # TODO: remove
		2879	push @msg, msgtype => "event_$type";
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2881	}
		2882	}
		2883
		2884	=item $client->ext_reply ($msgid, @msg)
		2885
		2886	Sends an ext reply to the client.
		2887
		2888	=cut
		2889
		2890	sub cf::client::ext_reply($$@) {
		2891	my ($self, $id, @msg) = @_;
		2892
		2893	if ($self->extcmd == 2) {
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2895	} elsif ($self->extcmd == 1) {
		2896	#TODO: version 1, remove
		2897	unshift @msg, msgtype => "reply", msgid => $id;
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
		2900	}
1992		2901
1993	=item $success = $client->query ($flags, "text", \&cb)	2902	=item $success = $client->query ($flags, "text", \&cb)
1994		2903
1995	Queues a query to the client, calling the given callback with	2904	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2905	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2906	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2907
1999	Queries can fail, so check the return code. Or don't, as queries will become	2908	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2909	become reliable at some point in the future.
2001		2910
2002	=cut	2911	=cut
2003		2912
2004	sub cf::client::query {	2913	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2914	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2922	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2923	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2924
2016	$self->send_packet ($self->{query_queue}[0][0])	2925	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2926	if @{ $self->{query_queue} } == 1;
		2927
		2928	1
2018	}	2929	}
2019		2930
2020	cf::client->attach (	2931	cf::client->attach (
		2932	on_connect => sub {
		2933	my ($ns) = @_;
		2934
		2935	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2936	},
2021	on_reply => sub {	2937	on_reply => sub {
2022	my ($ns, $msg) = @_;	2938	my ($ns, $msg) = @_;
2023		2939
2024	# this weird shuffling is so that direct followup queries	2940	# this weird shuffling is so that direct followup queries
2025	# get handled first	2941	# get handled first
…		…
2037	} else {	2953	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2955	}
2040	}	2956	}
2041	},	2957	},
		2958	on_exticmd => sub {
		2959	my ($ns, $buf) = @_;
		2960
		2961	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2962
		2963	if (ref $msg) {
		2964	my ($type, $reply, @payload) =
		2965	"ARRAY" eq ref $msg
		2966	? @$msg
		2967	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2968
		2969	my @reply;
		2970
		2971	if (my $cb = $EXTICMD{$type}) {
		2972	@reply = $cb->($ns, @payload);
		2973	}
		2974
		2975	$ns->ext_reply ($reply, @reply)
		2976	if $reply;
		2977
		2978	} else {
		2979	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2980	}
		2981
		2982	cf::override;
		2983	},
2042	);	2984	);
2043		2985
2044	=item $client->async (\&cb)	2986	=item $client->async (\&cb)
2045		2987
2046	Create a new coroutine, running the specified callback. The coroutine will	2988	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3029	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3030	our $safe_hole = new Safe::Hole;
2089		3031
2090	$SIG{FPE} = 'IGNORE';	3032	$SIG{FPE} = 'IGNORE';
2091		3033
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3034	$safe->permit_only (Opcode::opset qw(
		3035	:base_core :base_mem :base_orig :base_math
		3036	grepstart grepwhile mapstart mapwhile
		3037	sort time
		3038	));
2093		3039
2094	# here we export the classes and methods available to script code	3040	# here we export the classes and methods available to script code
2095		3041
2096	=pod	3042	=pod
2097		3043
2098	The following fucntions and emthods are available within a safe environment:	3044	The following functions and methods are available within a safe environment:
2099		3045
2100	cf::object contr pay_amount pay_player map	3046	cf::object
		3047	contr pay_amount pay_player map x y force_find force_add destroy
		3048	insert remove name archname title slaying race decrease split
		3049
2101	cf::object::player player	3050	cf::object::player
2102	cf::player peaceful	3051	player
2103	cf::map trigger	3052
		3053	cf::player
		3054	peaceful
		3055
		3056	cf::map
		3057	trigger
2104		3058
2105	=cut	3059	=cut
2106		3060
2107	for (	3061	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3063	insert remove inv nrof name archname title slaying race
		3064	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3065	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3066	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3067	["cf::map" => qw(trigger)],
2112	) {	3068	) {
2113	no strict 'refs';	3069	no strict 'refs';
…		…
2184	=back	3140	=back
2185		3141
2186	=cut	3142	=cut
2187		3143
2188	#############################################################################	3144	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3145	# the server's init and main functions
2262		3146
		3147	sub load_facedata($) {
		3148	my ($path) = @_;
		3149
		3150	# HACK to clear player env face cache, we need some signal framework
		3151	# for this (global event?)
		3152	%ext::player_env::MUSIC_FACE_CACHE = ();
		3153
		3154	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3155
		3156	warn "loading facedata from $path\n";
		3157
		3158	my $facedata;
		3159	0 < aio_load $path, $facedata
		3160	or die "$path: $!";
		3161
		3162	$facedata = Coro::Storable::thaw $facedata;
		3163
		3164	$facedata->{version} == 2
		3165	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3166
		3167	# patch in the exptable
		3168	$facedata->{resource}{"res/exp_table"} = {
		3169	type => FT_RSRC,
		3170	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3171	};
		3172	cf::cede_to_tick;
		3173
		3174	{
		3175	my $faces = $facedata->{faceinfo};
		3176
		3177	while (my ($face, $info) = each %$faces) {
		3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3179
		3180	cf::face::set_visibility $idx, $info->{visibility};
		3181	cf::face::set_magicmap $idx, $info->{magicmap};
		3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3184
		3185	cf::cede_to_tick;
		3186	}
		3187
		3188	while (my ($face, $info) = each %$faces) {
		3189	next unless $info->{smooth};
		3190
		3191	my $idx = cf::face::find $face
		3192	or next;
		3193
		3194	if (my $smooth = cf::face::find $info->{smooth}) {
		3195	cf::face::set_smooth $idx, $smooth;
		3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3197	} else {
		3198	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3199	}
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203	}
		3204
		3205	{
		3206	my $anims = $facedata->{animinfo};
		3207
		3208	while (my ($anim, $info) = each %$anims) {
		3209	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3210	cf::cede_to_tick;
		3211	}
		3212
		3213	cf::anim::invalidate_all; # d'oh
		3214	}
		3215
		3216	{
		3217	# TODO: for gcfclient pleasure, we should give resources
		3218	# that gcfclient doesn't grok a >10000 face index.
		3219	my $res = $facedata->{resource};
		3220
		3221	while (my ($name, $info) = each %$res) {
		3222	if (defined $info->{type}) {
		3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3224	my $data;
		3225
		3226	if ($info->{type} & 1) {
		3227	# prepend meta info
		3228
		3229	my $meta = $enc->encode ({
		3230	name => $name,
		3231	%{ $info->{meta} || {} },
		3232	});
		3233
		3234	$data = pack "(w/a*)*", $meta, $info->{data};
		3235	} else {
		3236	$data = $info->{data};
		3237	}
		3238
		3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3240	cf::face::set_type $idx, $info->{type};
		3241	} else {
		3242	$RESOURCE{$name} = $info;
		3243	}
		3244
		3245	cf::cede_to_tick;
		3246	}
		3247	}
		3248
		3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3250
		3251	1
		3252	}
		3253
		3254	cf::global->attach (on_resource_update => sub {
		3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3257
		3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3259	my $sound = $soundconf->{compat}[$_]
		3260	or next;
		3261
		3262	my $face = cf::face::find "sound/$sound->[1]";
		3263	cf::sound::set $sound->[0] => $face;
		3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3265	}
		3266
		3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3268	my $face = cf::face::find "sound/$v";
		3269	cf::sound::set $k => $face;
		3270	}
		3271	}
		3272	});
		3273
		3274	register_exticmd fx_want => sub {
		3275	my ($ns, $want) = @_;
		3276
		3277	while (my ($k, $v) = each %$want) {
		3278	$ns->fx_want ($k, $v);
		3279	}
		3280	};
		3281
2263	sub load_resources {	3282	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3283	my $guard = lock_acquire "load_resource_file";
		3284
		3285	my $status = load_resource_file_ $_[0];
		3286	get_slot 0.1, 100;
		3287	cf::arch::commit_load;
		3288
		3289	$status
		3290	}
		3291
		3292	sub reload_regions {
		3293	# HACK to clear player env face cache, we need some signal framework
		3294	# for this (global event?)
		3295	%ext::player_env::MUSIC_FACE_CACHE = ();
		3296
		3297	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3298	or die "unable to load regions file\n";
2266	}
2267		3299
2268	sub cfg_load {	3300	for (cf::region::list) {
		3301	$_->{match} = qr/$_->{match}/
		3302	if exists $_->{match};
		3303	}
		3304	}
		3305
		3306	sub reload_facedata {
		3307	load_facedata "$DATADIR/facedata"
		3308	or die "unable to load facedata\n";
		3309	}
		3310
		3311	sub reload_archetypes {
		3312	load_resource_file "$DATADIR/archetypes"
		3313	or die "unable to load archetypes\n";
		3314	}
		3315
		3316	sub reload_treasures {
		3317	load_resource_file "$DATADIR/treasures"
		3318	or die "unable to load treasurelists\n";
		3319	}
		3320
		3321	sub reload_resources {
		3322	warn "reloading resource files...\n";
		3323
		3324	reload_facedata;
		3325	reload_archetypes;
		3326	reload_regions;
		3327	reload_treasures;
		3328
		3329	warn "finished reloading resource files\n";
		3330	}
		3331
		3332	sub init {
		3333	my $guard = freeze_mainloop;
		3334
		3335	evthread_start IO::AIO::poll_fileno;
		3336
		3337	reload_resources;
		3338	}
		3339
		3340	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3342	or return;
2271		3343
2272	local $/;	3344	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2274		3346
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3348
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2284	};	3356	};
2285	warn $@ if $@;	3357	warn $@ if $@;
2286	}	3358	}
2287	}	3359	}
2288		3360
2289	sub init {	3361	sub pidfile() {
2290	load_resources;	3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
2291	}	3378	}
2292		3379
2293	sub main {	3380	sub main {
		3381	atomic;
		3382
2294	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3386	(async {
2298	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2300	};	3390	};
2301		3391
2302	cfg_load;	3392	{
		3393	my $guard = freeze_mainloop;
		3394	reload_config;
2303	db_init;	3395	db_init;
2304	load_extensions;	3396	load_extensions;
2305		3397
2306	$TICK_WATCHER->start;	3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399	}
		3400
		3401	utime time, time, $RUNTIMEFILE;
		3402
		3403	# no (long-running) fork's whatsoever before this point(!)
		3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3405
2307	Event::loop;	3406	EV::loop;
2308	}	3407	}
2309		3408
2310	#############################################################################	3409	#############################################################################
2311	# initialisation and cleanup	3410	# initialisation and cleanup
2312		3411
2313	# install some emergency cleanup handlers	3412	# install some emergency cleanup handlers
2314	BEGIN {	3413	BEGIN {
		3414	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3415	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3417	cf::cleanup "SIG$signal";
2323	},
2324	);	3418	};
		3419	}
		3420	}
		3421
		3422	sub write_runtime_sync {
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2325	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2326	}	3499	}
2327		3500
2328	sub emergency_save() {	3501	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2330		3503
…		…
2336	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3515	$pl->save;
2342	}	3516	}
2343	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2344		3518
2345	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2351	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2352		3526
2353	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2356	};	3534	};
2357		3535
2358	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2359	}	3537	}
2360		3538
2361	sub post_cleanup {	3539	sub post_cleanup {
2362	my ($make_core) = @_;	3540	my ($make_core) = @_;
2363		3541
2364	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3543	if $make_core;
2366	}
2367		3544
		3545	my $fh = pidfile;
		3546	unlink $PIDFILE if <$fh> == $$;
		3547	}
		3548
		3549	# a safer delete_package, copied from Symbol
		3550	sub clear_package($) {
		3551	my $pkg = shift;
		3552
		3553	# expand to full symbol table name if needed
		3554	unless ($pkg =~ /^main::.*::$/) {
		3555	$pkg = "main$pkg" if $pkg =~ /^::/;
		3556	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3557	$pkg .= '::' unless $pkg =~ /::$/;
		3558	}
		3559
		3560	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3561	my $stem_symtab = *{$stem}{HASH};
		3562
		3563	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3564	or return;
		3565
		3566	# clear all symbols
		3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3568	for my $name (keys %$leaf_symtab) {
		3569	_gv_clear *{"$pkg$name"};
		3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3571	}
		3572	warn "cleared package #$pkg\n";#d#
		3573	}
		3574
		3575	our $RELOAD; # how many times to reload
		3576
2368	sub reload() {	3577	sub do_reload_perl() {
2369	# can/must only be called in main	3578	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3579	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3580	warn "can only reload from main coroutine";
2372	return;	3581	return;
2373	}	3582	}
2374		3583
		3584	return if $RELOAD++;
		3585
		3586	while ($RELOAD) {
2375	warn "reloading...";	3587	warn "reloading...";
2376		3588
2377	warn "cancelling server ticker";	3589	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3590
		3591	cf::sync_job {
		3592	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3593	cf::emergency_save;
		3594	cf::write_runtime_sync; # external watchdog should not bark
2381		3595
2382	eval {	3596	warn "syncing database to disk";
		3597	BDB::db_env_txn_checkpoint $DB_ENV;
		3598
2383	# if anything goes wrong in here, we should simply crash as we already saved	3599	# if anything goes wrong in here, we should simply crash as we already saved
2384		3600
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";	3601	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3602	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3604	}
2422		3605
2423	warn "... nuking $pkg";	3606	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3607	$_->cancel for values %EXT_CORO;
2425	}	3608	%EXT_CORO = ();
2426		3609
2427	warn "unloading all perl modules loaded from $LIBDIR";	3610	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3611	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3612
		3613	warn "removing ext/exti commands";
		3614	%EXTCMD = ();
		3615	%EXTICMD = ();
		3616
		3617	warn "unloading/nuking all extensions";
		3618	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3619	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3620
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3621	if (my $cb = $pkg->can ("unload")) {
		3622	eval {
2438	$cb->();	3623	$cb->($pkg);
		3624	1
		3625	} or warn "$pkg unloaded, but with errors: $@";
		3626	}
		3627
		3628	warn "... clearing $pkg";
		3629	clear_package $pkg;
2439	}	3630	}
2440		3631
2441	Symbol::delete_package $k;	3632	warn "unloading all perl modules loaded from $LIBDIR";
		3633	while (my ($k, $v) = each %INC) {
		3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3635
		3636	warn "... unloading $k";
		3637	delete $INC{$k};
		3638
		3639	$k =~ s/\.pm$//;
		3640	$k =~ s/\//::/g;
		3641
		3642	if (my $cb = $k->can ("unload_module")) {
		3643	$cb->();
		3644	}
		3645
		3646	clear_package $k;
2442	}	3647	}
2443		3648
2444	warn "getting rid of safe::, as good as possible";	3649	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3650	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3652
2448	warn "unloading cf.pm \"a bit\"";	3653	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3654	delete $INC{"cf.pm"};
		3655	delete $INC{"cf/pod.pm"};
2450		3656
2451	# don't, removes xs symbols, too,	3657	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3658	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3659	#clear_package __PACKAGE__;
2454		3660
2455	warn "unload completed, starting to reload now";	3661	warn "unload completed, starting to reload now";
2456		3662
2457	warn "reloading cf.pm";	3663	warn "reloading cf.pm";
2458	require cf;	3664	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3666
2461	warn "loading config and database again";	3667	warn "loading config and database again";
2462	cf::cfg_load;	3668	cf::reload_config;
2463		3669
2464	warn "loading extensions";	3670	warn "loading extensions";
2465	cf::load_extensions;	3671	cf::load_extensions;
2466		3672
2467	warn "reattaching attachments to objects/players";	3673	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3674	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3675	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3676	reattach $_ for values %MAP;
		3677	warn "reattaching attachments to players";
		3678	reattach $_ for values %PLAYER;
2471		3679
2472	warn "loading reloadable resources";	3680	warn "leaving sync_job";
2473	load_resources;
2474		3681
2475	warn "restarting server ticker";	3682	1
		3683	} or do {
		3684	warn $@;
		3685	cf::cleanup "error while reloading, exiting.";
		3686	};
2476		3687
2477	$TICK_WATCHER->start;	3688	warn "reloaded";
		3689	--$RELOAD;
		3690	}
		3691	};
		3692
		3693	our $RELOAD_WATCHER; # used only during reload
		3694
		3695	sub reload_perl() {
		3696	# doing reload synchronously and two reloads happen back-to-back,
		3697	# coro crashes during coro_state_free->destroy here.
		3698
		3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3700	do_reload_perl;
		3701	undef $RELOAD_WATCHER;
2478	};	3702	};
2479		3703	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		3704
2491	register_command "reload" => sub {	3705	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3706	my ($who, $arg) = @_;
2493		3707
2494	if ($who->flag (FLAG_WIZ)) {	3708	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3709	$who->message ("reloading server.");
2496		3710	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3711	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3712	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3713	};
2509	}	3714	}
2510	};	3715	};
2511		3716
2512	unshift @INC, $LIBDIR;	3717	unshift @INC, $LIBDIR;
2513		3718
2514	my $bug_warning = 0;	3719	my $bug_warning = 0;
2515		3720
2516	$TICK_WATCHER = Event->timer (	3721	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3722	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3723
2519	prio => 0,	3724	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3725	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3726
2522	cb => sub {	3727	my $signal = new Coro::Signal;
		3728	push @WAIT_FOR_TICK, $signal;
		3729	$signal->wait;
		3730	}
		3731
		3732	sub wait_for_tick_begin {
		3733	return if tick_inhibit || $Coro::current == $Coro::main;
		3734
		3735	my $signal = new Coro::Signal;
		3736	push @WAIT_FOR_TICK_BEGIN, $signal;
		3737	$signal->wait;
		3738	}
		3739
		3740	sub tick {
2523	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3742	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3743	unless ++$bug_warning > 10;
2526	return;	3744	return;
2527	}	3745	}
2528		3746
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3747	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3748
2535	$WAIT_FOR_TICK->broadcast;	3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3751	Coro::async_pool {
		3752	$Coro::current->{desc} = "runtime saver";
		3753	write_runtime_sync
		3754	or warn "ERROR: unable to write runtime file: $!";
		3755	};
		3756	}
2537		3757
2538	Event::sweep;	3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	3759	$sig->send;
		3760	}
		3761	while (my $sig = shift @WAIT_FOR_TICK) {
		3762	$sig->send;
		3763	}
		3764
		3765	$LOAD = ($NOW - $TICK_START) / $TICK;
		3766	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3767
		3768	if (0) {
		3769	if ($NEXT_TICK) {
		3770	my $jitter = $TICK_START - $NEXT_TICK;
		3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3772	warn "jitter $JITTER\n";#d#
2540		3773	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3774	}
2550	);	3775	}
2551		3776
2552	{	3777	{
2553	BDB::max_poll_time $TICK * 0.1;	3778	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3779
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3780	BDB::min_parallel 8;
2563		3781	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3782	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3783
2579	unless ($DB_ENV) {	3784	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3785	$DB_ENV = BDB::db_env_create;
		3786	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3787	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3788	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3789	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3790	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3791
2582	cf::sync_job {	3792	cf::sync_job {
2583	eval {	3793	eval {
2584	BDB::db_env_open	3794	BDB::db_env_open
2585	$DB_ENV,	3795	$DB_ENV,
2586	$BDB_ENV_DIR,	3796	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3797	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3798	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3799	0666;
2590		3800
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3801	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3802	};
2596		3803
2597	cf::cleanup "db_env_open(db): $@" if $@;	3804	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3805	};
2599	}	3806	}
		3807
		3808	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3809	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3810	};
		3811	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3812	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3813	};
		3814	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3815	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3816	};
2600	}	3817	}
2601		3818
2602	{	3819	{
		3820	# configure IO::AIO
		3821
2603	IO::AIO::min_parallel 8;	3822	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3823	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3824	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	3825	}
2616		3826
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3827	my $_log_backtrace;
2618	reentrant => 0,	3828
2619	data => WF_AUTOCANCEL,	3829	sub _log_backtrace {
2620	after => 1,	3830	my ($msg, @addr) = @_;
2621	interval => 10,	3831
2622	prio => 6, # keep it lowest so it acts like a watchdog	3832	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3833
2624	write_runtime	3834	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3835	if ($_log_backtrace < 2) {
		3836	++$_log_backtrace;
		3837	async {
		3838	$Coro::current->{desc} = "abt $msg";
		3839
		3840	my @bt = fork_call {
		3841	@addr = map { sprintf "%x", $_ } @addr;
		3842	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3843	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3844	or die "addr2line: $!";
		3845
		3846	my @funcs;
		3847	my @res = <$fh>;
		3848	chomp for @res;
		3849	while (@res) {
		3850	my ($func, $line) = splice @res, 0, 2, ();
		3851	push @funcs, "[$func] $line";
		3852	}
		3853
		3854	@funcs
		3855	};
		3856
		3857	LOG llevInfo, "[ABT] $msg\n";
		3858	LOG llevInfo, "[ABT] $_\n" for @bt;
		3859	--$_log_backtrace;
		3860	};
		3861	} else {
		3862	LOG llevInfo, "[ABT] $msg\n";
		3863	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3864	}
2627	);	3865	}
		3866
		3867	# load additional modules
		3868	use cf::pod;
2628		3869
2629	END { cf::emergency_save }	3870	END { cf::emergency_save }
2630		3871
2631	1	3872	1
2632		3873

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