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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.437 by root, Tue Jul 8 08:33:27 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.4 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		116
67	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
87		141
88	#############################################################################	142	#############################################################################
89		143
90	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
91		145
…		…
98	=item $cf::RUNTIME	152	=item $cf::RUNTIME
99		153
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	155	every server tick.
102		156
103	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		160
105	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
107		165
108	=item $cf::NOW	166	=item $cf::NOW
109		167
110	The time of the last (current) server tick.	168	The time of the last (current) server tick.
111		169
112	=item $cf::TICK	170	=item $cf::TICK
113		171
114	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
115		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
116	=item %cf::CFG	184	=item %cf::CFG
117		185
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	187	from wherever your confdir points to.
120		188
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		190
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
127		200
128	=back	201	=back
129		202
130	=cut	203	=cut
131		204
132	BEGIN {	205	BEGIN {
133	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	207	my $msg = join "", @_;
135	utf8::encode $msg;
136		208
137	$msg .= "\n"	209	$msg .= "\n"
138	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
139		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
140	LOG llevError, $msg;	214	LOG llevError, $msg;
141	};	215	};
142	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
143		232
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		240
151	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	242	# within the Safe compartment.
153	for my $pkg (qw(	243	for my $pkg (qw(
154	cf::global cf::attachable	244	cf::global cf::attachable
…		…
159	)) {	249	)) {
160	no strict 'refs';	250	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	252	}
163		253
164	$Event::DIED = sub {	254	$EV::DIED = sub {
165	warn "error in event callback: @_";	255	warn "error in event callback: @_";
166	};	256	};
		257
		258	#############################################################################
167		259
168	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
169		261
170	=over 4	262	=over 4
171		263
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	283	$d
192	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
193	}	285	}
194		286
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
198		288
199	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
200		290
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
209		292
210	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
211		294
212	=cut	295	=cut
213		296
214	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
216	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
218		301
219	=item cf::lock_wait $string	302	=item cf::lock_wait $string
220		303
221	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
222		305
…		…
225	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
228	returned.	311	returned.
229		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
230	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
232		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
233	=cut	323	=cut
234		324
235	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
236		327
237	sub lock_wait($) {	328	sub lock_wait($) {
238	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
239		335
240	# wait for lock, if any	336	# wait for lock, if any
241	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	339	Coro::schedule;
…		…
249		345
250	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
251	lock_wait $key;	347	lock_wait $key;
252		348
253	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
254		351
255	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
258	}	356	}
259	}	357	}
260		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
261	sub freeze_mainloop {	365	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
263		367
264	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	369	}
266	$WRITE_RUNTIME_WATCHER->start;	370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
267	};	429	}
268	$WRITE_RUNTIME_WATCHER->stop;	430	};
269	$TICK_WATCHER->stop;	431
270	$guard	432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
271	}	444	}
272		445
273	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
274		447
275	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		453
281	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
282		455
283	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
284		457
285	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
288		462
289	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
292	fast or be very important.	466	fast or be very important.
…		…
295		469
296	sub sync_job(&) {	470	sub sync_job(&) {
297	my ($job) = @_;	471	my ($job) = @_;
298		472
299	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
300	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
302		478
303	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	480
305	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
306		482
307	my $busy = 1;	483	my $busy = 1;
308	my @res;	484	my @res;
309		485
310	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	488	@res = eval { $job->() };
312	warn $@ if $@;	489	warn $@ if $@;
313	undef $busy;	490	undef $busy;
314	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
315		492
316	while ($busy) {	493	while ($busy) {
317	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
318	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
319		504
320	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
321	} else {	506	} else {
322	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
323		508
…		…
343	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
344		529
345	$coro	530	$coro
346	}	531	}
347		532
348	sub write_runtime {	533	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		534
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
352	or return;	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
353		539
354	my $value = $cf::RUNTIME + 90 + 10;	540	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		541
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	sub fork_call(&@) {
359	and return;	543	my ($cb, @args) = @_;
360		544
361	aio_fsync $fh	545	# we seemingly have to make a local copy of the whole thing,
362	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
363		548
364	close $fh	549	my @res = Coro::Util::fork_eval {
365	or return;	550	reset_signals;
		551	&$cb
		552	}, @args;
366		553
367	aio_rename "$runtime~", $runtime	554	wantarray ? @res : $res[-1]
368	and return;	555	}
369		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
370	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	720	}
372		721
373	=back	722	=back
374		723
375	=cut	724	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
384		733
385	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	736	Deliantra).
388		737
389	=over 4	738	=over 4
390		739
391	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
392		741
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
556		905
557	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		910
562	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	912	my $pkg = shift @arg;
564		913
565	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
595	}	944	}
596		945
597	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
598	} else {	947	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	949	}
601		950
602	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
603	}	952	}
604		953
…		…
606	if (ref $_[0]) {	955	if (ref $_[0]) {
607	_object_attach @_;	956	_object_attach @_;
608	} else {	957	} else {
609	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
610	}	959	}
		960	_recalc_want;
611	};	961	};
612		962
613	# all those should be optimised	963	# all those should be optimised
614	sub cf::attachable::detach {	964	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
619	reattach ($obj);	969	reattach ($obj);
620	} else {	970	} else {
621	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
622	}	972	}
		973	_recalc_want;
623	};	974	};
624		975
625	sub cf::attachable::attached {	976	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
627		978
…		…
642	";	993	";
643	die if $@;	994	die if $@;
644	}	995	}
645		996
646	our $override;	997	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		999
649	sub override {	1000	sub override {
650	$override = 1;	1001	$override = 1;
651	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
652	}	1003	}
653		1004
654	sub do_invoke {	1005	sub do_invoke {
655	my $event = shift;	1006	my $event = shift;
656	my $callbacks = shift;	1007	my $callbacks = shift;
657		1008
658	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
659		1010
660	local $override;	1011	local $override;
661		1012
662	for (@$callbacks) {	1013	for (@$callbacks) {
663	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
672	}	1023	}
673		1024
674	0	1025	0
675	}	1026	}
676		1027
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1029
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1031
681	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
682		1033
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1037
687	=back	1038	=back
688		1039
689	=cut	1040	=cut
690		1041
691	#############################################################################	1042	#############################################################################
692	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
693		1086
694	sub reattach {	1087	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1089	my ($obj) = @_;
697		1090
…		…
718	cf::attachable->attach (	1111	cf::attachable->attach (
719	prio => -1000000,	1112	prio => -1000000,
720	on_instantiate => sub {	1113	on_instantiate => sub {
721	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
722		1115
723	$data = from_json $data;	1116	$data = decode_json $data;
724		1117
725	for (@$data) {	1118	for (@$data) {
726	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
727		1120
728	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1137	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
746		1139
747	sync_job {	1140	sync_job {
748	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
751		1145
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1149	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1150	aio_close $fh;
757		1151
758	if (@$objs) {	1152	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1157	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1158	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
766	}	1160	}
767	} else {	1161	} else {
768	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
769	}	1163	}
…		…
774	}	1168	}
775	} else {	1169	} else {
776	aio_unlink $filename;	1170	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
778	}	1172	}
779	}	1173	};
780	}	1174	}
781		1175
782	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
784		1178
…		…
796	or return;	1190	or return;
797		1191
798	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
800	or return;	1194	or return;
		1195
801	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
802	}	1198	}
803		1199
		1200	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
806	return ($data, $av);	1204	($data, $av)
807	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
808		1212
809	#############################################################################	1213	#############################################################################
810	# command handling &c	1214	# command handling &c
811		1215
812	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1230	}
827		1231
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1233
830	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
831		1239
832	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
833	called.	1241	called.
834		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
835	=cut	1254	=cut
836		1255
837	sub register_extcmd {	1256	sub register_extcmd {
838	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
839		1258
840	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
841	}	1266	}
842		1267
843	cf::player->attach (	1268	cf::player->attach (
844	on_command => sub {	1269	on_command => sub {
845	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1279	cf::override;
855	},	1280	},
856	on_extcmd => sub {	1281	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
858		1283
859	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1285
861	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
867	} else {	1301	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1303	}
870		1304
871	cf::override;	1305	cf::override;
872	},	1306	},
873	);	1307	);
874		1308
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
910	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1314	next unless -r $path;
912	eval {	1315
913	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
914	1	1372	}
915	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
916	}	1378	};
917	}	1379	}
918		1380
919	#############################################################################	1381	#############################################################################
920		1382
		1383	=back
		1384
921	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
922		1386
923	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
924		1388
925	=cut	1389	=cut
…		…
930		1394
931	=head3 cf::player	1395	=head3 cf::player
932		1396
933	=over 4	1397	=over 4
934		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
935	=item cf::player::find $login	1413	=item cf::player::find $login
936		1414
937	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
938		1416
939	=cut	1417	=cut
940		1418
941	sub playerdir($) {	1419	sub playerdir($) {
942	cf::localdir	1420	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1422	}
948		1423
949	sub path($) {	1424	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1426
952	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
953	}	1428	}
954		1429
955	sub find_active($) {	1430	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1445	my $login = $_[0];
971		1446
972	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
973		1448
974	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
976	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
978	}	1466	}
979	}	1467	}
980	}	1468	}
981		1469
…		…
990	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
991		1479
992	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
994		1482
		1483	cf::get_slot 0.01;
		1484
995	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
996	Coro::cede;	1486	cf::cede_to_tick;
997	}	1487	}
998		1488
999	sub new($) {	1489	sub new($) {
1000	my ($login) = @_;	1490	my ($login) = @_;
1001		1491
…		…
1007	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1008		1498
1009	$self	1499	$self
1010	}	1500	}
1011		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1012	=item $pl->quit_character	1512	=item $pl->quit_character
1013		1513
1014	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1016		1516
1017	=cut	1517	=cut
1018		1518
1019	sub quit_character {	1519	sub quit_character {
1020	my ($pl) = @_;	1520	my ($pl) = @_;
1021		1521
		1522	my $name = $pl->ob->name;
		1523
1022	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1526
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1029		1533
1030	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1035	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1036	}	1560	}
1037		1561
1038	=item cf::player::list_logins	1562	=item cf::player::list_logins
1039		1563
1040	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1042		1566
1043	=cut	1567	=cut
1044		1568
1045	sub list_logins {	1569	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1571	or return [];
1048		1572
1049	my @logins;	1573	my @logins;
1050		1574
1051	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1055		1585
1056	utf8::decode $login;	1586	utf8::decode $login;
1057	push @logins, $login;	1587	push @logins, $login;
1058	}	1588	}
1059		1589
…		…
1067		1597
1068	=cut	1598	=cut
1069		1599
1070	sub maps($) {	1600	sub maps($) {
1071	my ($pl) = @_;	1601	my ($pl) = @_;
		1602
		1603	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1604
1073	my $files = aio_readdir playerdir $pl	1605	my $files = aio_readdir playerdir $pl
1074	or return;	1606	or return;
1075		1607
1076	my @paths;	1608	my @paths;
…		…
1078	for (@$files) {	1610	for (@$files) {
1079	utf8::decode $_;	1611	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1612	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1613	next unless /^$PATH_SEP/o;
1082		1614
1083	s/\.map$//;	1615	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1616	}
1086		1617
1087	\@paths	1618	\@paths
1088	}	1619	}
1089		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1091		1715
1092	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1093		1717
1094	=cut	1718	=cut
1095		1719
1096	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1098		1722
1099	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1724	}
1103		1725
1104	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1105		1766
1106	=back	1767	=back
1107
1108		1768
1109	=head3 cf::map	1769	=head3 cf::map
1110		1770
1111	=over 4	1771	=over 4
1112		1772
…		…
1124	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1126		1786
1127	sub generate_random_map {	1787	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1129	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1793	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1168		1831
1169	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1170	local $self->{path};	1833	local $self->{path};
1171	local $self->{load_path};	1834	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1835
1175	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1176	}	1837	}
1177		1838
1178	sub normalise {	1839	sub normalise {
1179	my ($path, $base) = @_;	1840	my ($path, $base) = @_;
		1841
		1842	$path = "$path"; # make sure its a string
		1843
		1844	$path =~ s/\.map$//;
1180		1845
1181	# map plan:	1846	# map plan:
1182	#	1847	#
1183	# /! non-realised random map exit (special hack!)	1848	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1849	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1222	return $self;	1887	return $self;
1223	}	1888	}
1224	}	1889	}
1225		1890
1226	Carp::carp "unable to resolve path '$path'.";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1892	()
1228	}	1893	}
1229		1894
1230	sub init {	1895	sub init {
1231	my ($self) = @_;	1896	my ($self) = @_;
…		…
1246		1911
1247	# the original (read-only) location	1912	# the original (read-only) location
1248	sub load_path {	1913	sub load_path {
1249	my ($self) = @_;	1914	my ($self) = @_;
1250		1915
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1252	}	1917	}
1253		1918
1254	# the temporary/swap location	1919	# the temporary/swap location
1255	sub save_path {	1920	sub save_path {
1256	my ($self) = @_;	1921	my ($self) = @_;
1257		1922
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1260	}	1925	}
1261		1926
1262	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1263	sub uniq_path {	1928	sub uniq_path {
1264	my ($self) = @_;	1929	my ($self) = @_;
1265		1930
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1268	}	1933	}
1269		1934
1270	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1271	# all maps in C++...	1936	# all maps in C++...
1272	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1274		1939
1275	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1277	}	1942	}
1278		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1279	sub unlink_save {	1952	sub unlink_save {
1280	my ($self) = @_;	1953	my ($self) = @_;
1281		1954
1282	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1959
1287	sub load_header_from($) {	1960	sub load_header_from($) {
1288	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1289		1962
1290	utf8::encode $path;	1963	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1292	or return;	1965	or return;
1293		1966
1294	$self->_load_header ($path)	1967	$self->_load_header ($f)
1295	or return;	1968	or return;
1296		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
		1972
1297	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1298		1974
1299	1	1975	1
1300	}	1976	}
1301		1977
1302	sub load_orig {	1978	sub load_header_orig {
1303	my ($self) = @_;	1979	my ($self) = @_;
1304		1980
1305	$self->load_header_from ($self->load_path)	1981	$self->load_header_from ($self->load_path)
1306	}	1982	}
1307		1983
1308	sub load_temp {	1984	sub load_header_temp {
1309	my ($self) = @_;	1985	my ($self) = @_;
1310		1986
1311	$self->load_header_from ($self->save_path)	1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
1312	}	2007	}
1313		2008
1314	sub load_header {	2009	sub load_header {
1315	my ($self) = @_;	2010	my ($self) = @_;
1316		2011
1317	if ($self->load_temp) {	2012	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	2013	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	2014	} else {
1324	$self->load_orig	2015	$self->load_header_orig
1325	or return;	2016	or return;
1326		2017	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	2018	}
		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
1332		2025
1333	1	2026	1
1334	}	2027	}
1335		2028
1336	sub find;	2029	sub find;
1337	sub find {	2030	sub find {
1338	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1339		2032
1340	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1341		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1342	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1343		2037
1344	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1345	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1346	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1347	or return;	2043	or return;
1348		2044
1349	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1350		2046
1351	$map->load_header	2047	$map->load_header
1352	or return;	2048	or return;
1353		2049
1354	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1357	$map->reset;	2055	$map->reset;
1358	undef $guard;
1359	$map = find $path	2056	return find $path;
1360	or return;
1361	}	2057	}
1362		2058
1363	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1364	}	2060	}
1365	}	2061	}
		2062
		2063	sub pre_load { }
		2064	sub post_load { }
1366		2065
1367	sub load {	2066	sub load {
1368	my ($self) = @_;	2067	my ($self) = @_;
1369		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1370	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1371	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1372		2075
		2076	return unless $self->valid;
1373	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1374		2078
1375	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1376		2080
1377	$self->alloc;	2081	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1379	or return;	2089	or return;
1380		2090
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382	if delete $self->{load_original};	2092	if delete $self->{load_original};
1383		2093
1384	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	2095	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1387	$self->clear_unique_items;	2098	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1389	}	2102	}
1390	}	2103	}
1391		2104
1392	Coro::cede;	2105	$f->resolve_delayed_derefs;
1393		2106
		2107	cf::cede_to_tick;
1394	# now do the right thing for maps	2108	# now do the right thing for maps
1395	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;
1402	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	2111	unless $self->difficulty;
1405	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1406	$self->activate;	2121	$self->activate;
1407	}	2122	}
1408		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
1409	$self->in_memory (cf::MAP_IN_MEMORY);	2127	$self->in_memory (cf::MAP_ACTIVE);
		2128	}
		2129
		2130	$self->post_load;
1410	}	2131	}
1411		2132
1412	sub customise_for {	2133	sub customise_for {
1413	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1414		2135
1415	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	2137	if $self->per_player;
1417		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1418	$self	2142	$self
1419	}	2143	}
1420		2144
1421	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1422	sub load_diag {	2146	sub load_neighbours {
1423	my ($map) = @_;	2147	my ($map) = @_;
1424		2148
1425	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1426		2150
1427	for (0 .. 3) {	2151	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1429	or next;	2153	or next;
1430	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1431	or next;	2155	or next;
1432	$neigh->load;	2156	$neigh->load;
1433		2157
		2158	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	2161	}
1437		2162
1438	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1440	or next;	2166	or next;
1441	$neigh->load;	2167	$neigh->load;
1442	}	2168	}
1443	}	2169	}
1444		2170
…		…
1449	}	2175	}
1450		2176
1451	sub do_load_sync {	2177	sub do_load_sync {
1452	my ($map) = @_;	2178	my ($map) = @_;
1453		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1454	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1455	}	2184	}
1456		2185
1457	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1459		2188
1460	sub find_async {	2189	sub find_async {
1461	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1462		2191
1463	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1464		2193
1465	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1467	}	2196	}
1468		2197
1469	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1470	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1471	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	2205	if (my $map = find $k) {
1474	or next;
1475	$map->load;	2206	$map->load if $v;
		2207	}
1476		2208
1477	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1478	}	2210	}
1479	}	2211	}
1480	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1481	};	2213	};
		2214	$MAP_PREFETCHER->prio (6);
1482		2215
1483	()	2216	()
1484	}	2217	}
1485		2218
1486	sub save {	2219	sub save {
1487	my ($self) = @_;	2220	my ($self) = @_;
1488		2221
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2223
1491	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1492		2225
1493	return unless $self->dirty;	2226	return unless $self->dirty;
1494		2227
…		…
1500	return if $self->{deny_save};	2233	return if $self->{deny_save};
1501		2234
1502	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1503		2236
1504	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1506	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1507		2243
1508	if ($uniq) {	2244	if ($uniq) {
1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2247	} else {
…		…
1517	my ($self) = @_;	2253	my ($self) = @_;
1518		2254
1519	# save first because save cedes	2255	# save first because save cedes
1520	$self->save;	2256	$self->save;
1521		2257
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2259
1524	return if $self->players;	2260	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1526	return if $self->{deny_save};	2262	return if $self->{deny_save};
1527		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2268	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2269	}
1531		2270
1532	sub reset_at {	2271	sub reset_at {
1533	my ($self) = @_;	2272	my ($self) = @_;
1534		2273
1535	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1538		2276
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2279
…		…
1552	my ($self) = @_;	2290	my ($self) = @_;
1553		2291
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2293
1556	return if $self->players;	2294	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2295
1559	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1560		2307
1561	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1562		2309
1563	$self->in_memory (cf::MAP_SWAPPED);	2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1564	$self->clear;	2312	$self->clear;
1565
1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		2313
1568	$self->unlink_save;	2314	$self->unlink_save;
1569	$self->destroy;	2315	$self->destroy;
1570	}	2316	}
1571		2317
1572	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1573		2319
1574	sub nuke {	2320	sub nuke {
1575	my ($self) = @_;	2321	my ($self) = @_;
1576		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1577	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1578		2327
1579	$self->unlink_save;	2328	$self->unlink_save;
1580		2329
1581	bless $self, "cf::map";	2330	bless $self, "cf::map";
1582	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2335
1587	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1588		2338
1589	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1590	}	2376	}
1591		2377
1592	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1593		2379
1594	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2381	instantiated unique items. May block.
1596		2382
1597	=cut	2383	=cut
1598		2384
1599	sub unique_maps() {	2385	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1601	or return;	2387	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2388	utf8::decode $_;
1607	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1608	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1609		2391	? ()
1610	s/\.map$//;	2392	: normalise $_
1611	push @paths, $_;	2393	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2394	]
1613
1614	\@paths
1615	}	2395	}
1616
1617	package cf;
1618		2396
1619	=back	2397	=back
1620		2398
1621	=head3 cf::object	2399	=head3 cf::object
1622		2400
…		…
1626		2404
1627	=over 4	2405	=over 4
1628		2406
1629	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1630		2408
1631	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1632		2411
1633	=cut	2412	=cut
1634		2413
1635	sub inv_recursive_;	2414	sub inv_recursive_;
1636	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1639		2418
1640	sub inv_recursive {	2419	sub inv_recursive {
1641	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1642	}	2421	}
1643		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1644	package cf;	2451	package cf;
1645		2452
1646	=back	2453	=back
1647		2454
1648	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1654	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1655	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1656	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1657		2464
1658	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1659		2480
1660	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1661	# with dialog boxes.	2482	# with dialog boxes.
1662	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1663	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1665		2486
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2488
1668	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1670	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1673	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1674	}	2514	}
1675		2515
1676	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1677		2517
1678	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1710	=cut	2550	=cut
1711		2551
1712	sub link_map {	2552	sub link_map {
1713	unless ($LINK_MAP) {	2553	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2554	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2555	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2556	$LINK_MAP->load;
1717	}	2557	}
1718		2558
1719	$LINK_MAP	2559	$LINK_MAP
1720	}	2560	}
…		…
1725	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1726		2566
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2568
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1731		2571
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2573	}
1734		2574
1735	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1737		2579
1738	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1739		2581
1740	unless ($map) {	2582	unless ($map) {
1741	# restore original map position	2583	# restore original map position
…		…
1755	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1758		2600
1759	$map->load;	2601	$map->load;
1760	$map->load_diag;	2602	$map->load_neighbours;
1761		2603
1762	return unless $self->contr->active;	2604	return unless $self->contr->active;
1763	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1765	}	2609	}
1766		2610
1767	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768	on_logout => sub {
1769	my ($pl) = @_;
1770		2612
1771	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1772	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1773	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1774	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1775	};	2617	be called at the end of this process.
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2618
1781	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1782	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798		2621
1799	=item $player_object->goto ($path, $x, $y)
1800
1801	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1802		2625
1803	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
		2628
		2629	# do generation counting so two concurrent goto's will be executed in-order
		2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2631
1806	$self->enter_link;	2632	$self->enter_link;
1807		2633
1808	(async {	2634	(async {
1809	my $map = cf::map::find $path;	2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
		2656	my $map = eval {
		2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
1811		2661	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2662	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
1816		2665
		2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
		2672	}
		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1818	})->prio (1);	2680	})->prio (1);
1819	}	2681	}
1820		2682
1821	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1822		2684
…		…
1842	}	2704	}
1843		2705
1844	sub prepare_random_map {	2706	sub prepare_random_map {
1845	my ($exit) = @_;	2707	my ($exit) = @_;
1846		2708
1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1848
1849	# all this does is basically replace the /! path by	2709	# all this does is basically replace the /! path by
1850	# a new random map path (?random/...) with a seed	2710	# a new random map path (?random/...) with a seed
1851	# that depends on the exit object	2711	# that depends on the exit object
1852		2712
1853	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
1854		2714
1855	if ($exit->map) {	2715	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2716	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1860	}	2722	}
1861		2723
1862	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1863		2725
1864	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1865	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2728	my $meta = "$RANDOMDIR/$md5.meta";
1867		2729
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2732	undef $fh;
1871	aio_rename "$meta~", $meta;	2733	aio_rename "$meta~", $meta;
1872		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1873	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1874	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1875	}	2741	}
1876	}	2742	}
1877		2743
1878	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
…		…
1881	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1882		2748
1883	$self->enter_link;	2749	$self->enter_link;
1884		2750
1885	(async {	2751	(async {
1886	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1887	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
1888	prepare_random_map $exit	2761	prepare_random_map $exit
1889	if $exit->slaying eq "/!";	2762	if $exit->slaying eq "/!";
		2763	}
1890		2764
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
1893		2768
		2769	$self->goto ($map, $x, $y);
		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1894	1;	2775	1
1895	}) {	2776	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2781
1901	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2783	$self->leave_link;
1903	}	2784	}
1904	})->prio (1);	2785	})->prio (1);
…		…
1917		2798
1918	sub cf::client::send_drawinfo {	2799	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2800	my ($self, $text, $flags) = @_;
1920		2801
1921	utf8::encode $text;	2802	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2804	}
1924		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
1925		2970
1926	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
1927		2972
1928	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2976
1932	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2978	become reliable at some point in the future.
1934		2979
1935	=cut	2980	=cut
1936		2981
1937	sub cf::client::query {	2982	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2991	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2993
1949	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
1951	}	2998	}
1952		2999
1953	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
1954	on_reply => sub {	3006	on_reply => sub {
1955	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
1956		3008
1957	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
1958	# get handled first	3010	# get handled first
1959	my $queue = delete $ns->{query_queue}	3011	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	3012	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		3013
1962	(shift @$queue)->[1]->($msg);	3014	(shift @$queue)->[1]->($msg);
		3015	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		3016
1964	push @{ $ns->{query_queue} }, @$queue;	3017	push @{ $ns->{query_queue} }, @$queue;
1965		3018
1966	if (@{ $ns->{query_queue} } == @$queue) {	3019	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	3020	if (@$queue) {
…		…
1969	} else {	3022	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	3024	}
1972	}	3025	}
1973	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
1974	);	3053	);
1975		3054
1976	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
1977		3056
1978	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
2019	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
2021		3100
2022	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
2023		3102
2024	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
2025		3108
2026	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
2027		3110
2028	=pod	3111	=pod
2029		3112
2030	The following fucntions and emthods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2031		3114
2032	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2033	cf::object::player player	3119	cf::object::player
2034	cf::player peaceful	3120	player
2035	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2036		3127
2037	=cut	3128	=cut
2038		3129
2039	for (	3130	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy)],
2041	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2044	) {	3137	) {
2045	no strict 'refs';	3138	no strict 'refs';
…		…
2116	=back	3209	=back
2117		3210
2118	=cut	3211	=cut
2119		3212
2120	#############################################################################	3213	#############################################################################
		3214	# the server's init and main functions
2121		3215
2122	=head2 EXTENSION DATABASE SUPPORT	3216	sub load_facedata($) {
		3217	my ($path) = @_;
2123		3218
2124	Crossfire maintains a very simple database for extension use. It can	3219	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	3220	# for this (global event?)
2126	excludes objects.	3221	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		3222
2128	The parameter C<$family> should best start with the name of the extension	3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		3224
2131	=over 4	3225	warn "loading facedata from $path\n";
2132		3226
2133	=item $hashref = cf::db_get $family	3227	my $facedata;
		3228	0 < aio_load $path, $facedata
		3229	or die "$path: $!";
2134		3230
2135	Return a hashref for use by the extension C<$family>, which can be	3231	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		3232
2139	=item $value = cf::db_get $family => $key	3233	$facedata->{version} == 2
		3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		3235
2141	Returns a single value from the database	3236	# patch in the exptable
2142		3237	$facedata->{resource}{"res/exp_table"} = {
2143	=item cf::db_put $family => $hashref	3238	type => FT_RSRC,
2144		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}
2171
2172	my $pid;
2173
2174	sub db_save() {
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	3240	};
		3241	cf::cede_to_tick;
2194		3242
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	3243	{
		3244	my $faces = $facedata->{faceinfo};
2199		3245
2200	sub db_get($;$) {	3246	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		3248
2206	sub db_put($$;$) {	3249	cf::face::set_visibility $idx, $info->{visibility};
2207	if (@_ >= 3) {	3250	cf::face::set_magicmap $idx, $info->{magicmap};
2208	$DB->{$_[0]}{$_[1]} = $_[2];	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	} else {	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214		3253
2215	cf::global->attach (	3254	cf::cede_to_tick;
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	3255	}
2220	);
2221	}
2222		3256
2223	#############################################################################	3257	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	3258	next unless $info->{smooth};
2225		3259
2226	sub cfg_load {	3260	my $idx = cf::face::find $face
		3261	or next;
		3262
		3263	if (my $smooth = cf::face::find $info->{smooth}) {
		3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3266	} else {
		3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3268	}
		3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
		3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3319
		3320	1
		3321	}
		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
		3367	or die "unable to load regions file\n";
		3368
		3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
		3390	sub reload_resources {
		3391	warn "reloading resource files...\n";
		3392
		3393	reload_facedata;
		3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
		3399	}
		3400
		3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	reload_resources;
		3407	}
		3408
		3409	sub reload_config {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	3411	or return;
2229		3412
2230	local $/;	3413	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2232		3415
2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2234		3417
2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2247	sub main {	3430	sub main {
2248	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2249	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2251	(async {	3434	(async {
2252	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2253	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2254	};	3438	};
2255		3439
2256	cfg_load;	3440	{
2257	db_load;	3441	my $guard = freeze_mainloop;
		3442	reload_config;
		3443	db_init;
2258	load_extensions;	3444	load_extensions;
2259		3445
2260	$TICK_WATCHER->start;	3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2261	Event::loop;	3449	EV::loop;
2262	}	3450	}
2263		3451
2264	#############################################################################	3452	#############################################################################
2265	# initialisation and cleanup	3453	# initialisation and cleanup
2266		3454
2267	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2268	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2275	},
2276	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2277	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2278	}	3544	}
2279		3545
2280	sub emergency_save() {	3546	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2282		3548
…		…
2288	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3560	$pl->save;
2294	}	3561	}
2295	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2296		3563
2297	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2299	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3567	$map->valid or next;
2301	$map->save;	3568	$map->save;
2302	}	3569	}
2303	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
		3571
		3572	warn "begin emergency database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2304	};	3579	};
2305		3580
2306	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2307	}	3582	}
2308		3583
		3584	sub post_cleanup {
		3585	my ($make_core) = @_;
		3586
		3587	warn Carp::longmess "post_cleanup backtrace"
		3588	if $make_core;
		3589	}
		3590
2309	sub reload() {	3591	sub do_reload_perl() {
2310	# can/must only be called in main	3592	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	3594	warn "can only reload from main coroutine";
2313	return;	3595	return;
2314	}	3596	}
2315		3597
2316	warn "reloading...";	3598	warn "reloading...";
2317		3599
2318	warn "cancelling server ticker";	3600	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3601
		3602	cf::sync_job {
		3603	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3604	cf::emergency_save;
		3605	cf::write_runtime_sync; # external watchdog should not bark
2322		3606
2323	eval {	3607	warn "syncing database to disk";
		3608	BDB::db_env_txn_checkpoint $DB_ENV;
		3609
2324	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328
2329	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}
2333		3611
2334	warn "flushing outstanding aio requests";	3612	warn "flushing outstanding aio requests";
2335	for (;;) {	3613	for (;;) {
		3614	BDB::flush;
2336	IO::AIO::flush;	3615	IO::AIO::flush;
2337	Coro::cede;	3616	Coro::cede_notself;
2338	last unless IO::AIO::nreqs;	3617	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	3618	warn "iterate...";
2340	}	3619	}
		3620
		3621	++$RELOAD;
2341		3622
2342	warn "cancelling all extension coros";	3623	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3624	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3625	%EXT_CORO = ();
2345		3626
2346	warn "removing commands";	3627	warn "removing commands";
2347	%COMMAND = ();	3628	%COMMAND = ();
2348		3629
2349	warn "removing ext commands";	3630	warn "removing ext/exti commands";
2350	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2351		3633
2352	warn "unloading/nuking all extensions";	3634	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2355		3637
…		…
2385	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3669
2388	warn "unloading cf.pm \"a bit\"";	3670	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2390		3673
2391	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3675	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2394		3677
…		…
2397	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2398	require cf;	3681	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3683
2401	warn "loading config and database again";	3684	warn "loading config and database again";
2402	cf::cfg_load;	3685	cf::reload_config;
2403	cf::db_load;
2404		3686
2405	warn "loading extensions";	3687	warn "loading extensions";
2406	cf::load_extensions;	3688	cf::load_extensions;
2407		3689
2408	warn "reattaching attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3691	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3692	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
		3694	warn "reattaching attachments to players";
		3695	reattach $_ for values %PLAYER;
2412		3696
2413	warn "restarting server ticker";	3697	warn "leaving sync_job";
2414		3698
2415	$TICK_WATCHER->start;	3699	1
		3700	} or do {
		3701	warn $@;
		3702	cf::cleanup "error while reloading, exiting.";
2416	};	3703	};
2417
2418	if ($@) {
2419	warn $@;
2420	warn "error while reloading, exiting.";
2421	exit 1;
2422	}
2423		3704
2424	warn "reloaded";	3705	warn "reloaded";
2425	};	3706	};
2426		3707
2427	our $RELOAD_WATCHER; # used only during reload	3708	our $RELOAD_WATCHER; # used only during reload
2428		3709
		3710	sub reload_perl() {
		3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
		3713
		3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3715	do_reload_perl;
		3716	undef $RELOAD_WATCHER;
		3717	};
		3718	}
		3719
2429	register_command "reload" => sub {	3720	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2431		3722
2432	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3724	$who->message ("reloading server.");
2434		3725	async {
2435	# doing reload synchronously and two reloads happen back-to-back,	3726	$Coro::current->{desc} = "perl_reload";
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;	3727	reload_perl;
2440	undef $RELOAD_WATCHER;
2441	});	3728	};
2442	}	3729	}
2443	};	3730	};
2444		3731
2445	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2446		3733
2447	my $bug_warning = 0;	3734	my $bug_warning = 0;
2448		3735
2449	$TICK_WATCHER = Event->timer (	3736	our @WAIT_FOR_TICK;
2450	reentrant => 0,	3737	our @WAIT_FOR_TICK_BEGIN;
2451	parked => 1,	3738
2452	prio => 0,	3739	sub wait_for_tick {
2453	at => $NEXT_TICK || $TICK,	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2454	data => WF_AUTOCANCEL,	3741
2455	cb => sub {	3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
2456	if ($Coro::current != $Coro::main) {	3756	if ($Coro::current != $Coro::main) {
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3758	unless ++$bug_warning > 10;
2459	return;	3759	return;
2460	}	3760	}
2461		3761
2462	$NOW = Event::time;
2463
2464	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2465	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;
2467		3763
2468	$WAIT_FOR_TICK->broadcast;	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2470		3766	Coro::async_pool {
2471	# if we are delayed by four ticks or more, skip them all	3767	$Coro::current->{desc} = "runtime saver";
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2473
2474	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;
2476	},
2477	);
2478
2479	IO::AIO::max_poll_time $TICK * 0.2;
2480
2481	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,
2491	after => 1,
2492	interval => 10,
2493	prio => 6, # keep it lowest so it acts like a watchdog
2494	cb => Coro::unblock_sub {
2495	write_runtime	3768	write_runtime_sync
2496	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
		3770	};
2497	},	3771	}
2498	);	3772
		3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
		3789	}
		3790	}
		3791
		3792	{
		3793	# configure BDB
		3794
		3795	BDB::min_parallel 8;
		3796	BDB::max_poll_reqs $TICK * 0.1;
		3797	$AnyEvent::BDB::WATCHER->priority (1);
		3798
		3799	unless ($DB_ENV) {
		3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3803	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3804	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3805	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3806
		3807	cf::sync_job {
		3808	eval {
		3809	BDB::db_env_open
		3810	$DB_ENV,
		3811	$BDBDIR,
		3812	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3813	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3814	0666;
		3815
		3816	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3817	};
		3818
		3819	cf::cleanup "db_env_open(db): $@" if $@;
		3820	};
		3821	}
		3822
		3823	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3824	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3825	};
		3826	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3828	};
		3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3831	};
		3832	}
		3833
		3834	{
		3835	# configure IO::AIO
		3836
		3837	IO::AIO::min_parallel 8;
		3838	IO::AIO::max_poll_time $TICK * 0.1;
		3839	undef $AnyEvent::AIO::WATCHER;
		3840	}
		3841
		3842	my $_log_backtrace;
		3843
		3844	sub _log_backtrace {
		3845	my ($msg, @addr) = @_;
		3846
		3847	$msg =~ s/\n//;
		3848
		3849	# limit the # of concurrent backtraces
		3850	if ($_log_backtrace < 2) {
		3851	++$_log_backtrace;
		3852	async {
		3853	$Coro::current->{desc} = "abt $msg";
		3854
		3855	my @bt = fork_call {
		3856	@addr = map { sprintf "%x", $_ } @addr;
		3857	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3858	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3859	or die "addr2line: $!";
		3860
		3861	my @funcs;
		3862	my @res = <$fh>;
		3863	chomp for @res;
		3864	while (@res) {
		3865	my ($func, $line) = splice @res, 0, 2, ();
		3866	push @funcs, "[$func] $line";
		3867	}
		3868
		3869	@funcs
		3870	};
		3871
		3872	LOG llevInfo, "[ABT] $msg\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2499		3884
2500	END { cf::emergency_save }	3885	END { cf::emergency_save }
2501		3886
2502	1	3887	1
2503		3888

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