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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 1.434 by root, Thu May 29 03:27:37 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;
		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	IO::AIO::max_poll_reqs 1;#d#
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	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		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
53		108
54	our %CFG;	109	our %CFG;
55		110
56	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
58		114
59	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	117	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		118
67	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
70	binmode STDOUT;	127	binmode STDOUT;
71	binmode STDERR;	128	binmode STDERR;
72		129
73	# read virtual server time, if available	130	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
78	}	135	}
79		136
80	mkdir cf::localdir;	137	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		139
86	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
87		143
88	#############################################################################	144	#############################################################################
89		145
90	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
91		147
…		…
98	=item $cf::RUNTIME	154	=item $cf::RUNTIME
99		155
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	157	every server tick.
102		158
103	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		162
105	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
107		167
108	=item $cf::NOW	168	=item $cf::NOW
109		169
110	The time of the last (current) server tick.	170	The time of the last (current) server tick.
111		171
112	=item $cf::TICK	172	=item $cf::TICK
113		173
114	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
115		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
116	=item %cf::CFG	186	=item %cf::CFG
117		187
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	189	from wherever your confdir points to.
120		190
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		192
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	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	194	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	195	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.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
127		202
128	=back	203	=back
129		204
130	=cut	205	=cut
131		206
132	BEGIN {	207	BEGIN {
133	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	209	my $msg = join "", @_;
135	utf8::encode $msg;
136		210
137	$msg .= "\n"	211	$msg .= "\n"
138	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
139		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
140	LOG llevError, $msg;	216	LOG llevError, $msg;
141	};	217	};
142	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
143		234
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		242
151	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	244	# within the Safe compartment.
153	for my $pkg (qw(	245	for my $pkg (qw(
154	cf::global cf::attachable	246	cf::global cf::attachable
…		…
159	)) {	251	)) {
160	no strict 'refs';	252	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	254	}
163		255
164	$Event::DIED = sub {	256	$EV::DIED = sub {
165	warn "error in event callback: @_";	257	warn "error in event callback: @_";
166	};	258	};
		259
		260	#############################################################################
167		261
168	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
169		263
170	=over 4	264	=over 4
171		265
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	285	$d
192	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
193	}	287	}
194		288
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
198		290
199	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
200		292
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
209		294
210	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
211		296
212	=cut	297	=cut
213		298
214	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
216	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
218		303
219	=item cf::lock_wait $string	304	=item cf::lock_wait $string
220		305
221	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
222		307
…		…
225	Wait until the given lock is available and then acquires it and returns	310	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,	311	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	312	for example when the coroutine gets canceled), the lock is automatically
228	returned.	313	returned.
229		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
230	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
232		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
233	=cut	325	=cut
234		326
235	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
236		329
237	sub lock_wait($) {	330	sub lock_wait($) {
238	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
239		337
240	# wait for lock, if any	338	# wait for lock, if any
241	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	341	Coro::schedule;
…		…
249		347
250	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
251	lock_wait $key;	349	lock_wait $key;
252		350
253	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
254		353
255	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
258	}	358	}
259	}	359	}
260		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	371	}
266	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
353		541
354	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		543
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
359	and return;	545	my ($cb, @args) = @_;
360		546
361	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
362	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
363		550
364	close $fh	551	my @res = Coro::Util::fork_eval {
365	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
366		555
367	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
368	and return;	557	}
369		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
370	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	722	}
372		723
373	=back	724	=back
374		725
375	=cut	726	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
384		735
385	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	738	Deliantra).
388		739
389	=over 4	740	=over 4
390		741
391	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
392		743
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
556		907
557	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		912
562	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	914	my $pkg = shift @arg;
564		915
565	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
595	}	946	}
596		947
597	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
598	} else {	949	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	951	}
601		952
602	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
603	}	954	}
604		955
…		…
606	if (ref $_[0]) {	957	if (ref $_[0]) {
607	_object_attach @_;	958	_object_attach @_;
608	} else {	959	} else {
609	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
610	}	961	}
		962	_recalc_want;
611	};	963	};
612		964
613	# all those should be optimised	965	# all those should be optimised
614	sub cf::attachable::detach {	966	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
619	reattach ($obj);	971	reattach ($obj);
620	} else {	972	} else {
621	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
622	}	974	}
		975	_recalc_want;
623	};	976	};
624		977
625	sub cf::attachable::attached {	978	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
627		980
…		…
642	";	995	";
643	die if $@;	996	die if $@;
644	}	997	}
645		998
646	our $override;	999	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1001
649	sub override {	1002	sub override {
650	$override = 1;	1003	$override = 1;
651	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
652	}	1005	}
653		1006
654	sub do_invoke {	1007	sub do_invoke {
655	my $event = shift;	1008	my $event = shift;
656	my $callbacks = shift;	1009	my $callbacks = shift;
657		1010
658	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
659		1012
660	local $override;	1013	local $override;
661		1014
662	for (@$callbacks) {	1015	for (@$callbacks) {
663	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
672	}	1025	}
673		1026
674	0	1027	0
675	}	1028	}
676		1029
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1031
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1033
681	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
682		1035
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	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	1037	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1039
687	=back	1040	=back
688		1041
689	=cut	1042	=cut
690		1043
691	#############################################################################	1044	#############################################################################
692	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
693		1088
694	sub reattach {	1089	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1091	my ($obj) = @_;
697		1092
…		…
718	cf::attachable->attach (	1113	cf::attachable->attach (
719	prio => -1000000,	1114	prio => -1000000,
720	on_instantiate => sub {	1115	on_instantiate => sub {
721	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
722		1117
723	$data = from_json $data;	1118	$data = decode_json $data;
724		1119
725	for (@$data) {	1120	for (@$data) {
726	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
727		1122
728	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1139	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
746		1141
747	sync_job {	1142	sync_job {
748	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
751		1147
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1151	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1152	aio_close $fh;
757		1153
758	if (@$objs) {	1154	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1159	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1160	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
766	}	1162	}
767	} else {	1163	} else {
768	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
769	}	1165	}
…		…
774	}	1170	}
775	} else {	1171	} else {
776	aio_unlink $filename;	1172	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
778	}	1174	}
779	}	1175	};
780	}	1176	}
781		1177
782	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
784		1180
…		…
796	or return;	1192	or return;
797		1193
798	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
800	or return;	1196	or return;
		1197
801	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
802	}	1200	}
803		1201
		1202	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
806	return ($data, $av);	1206	($data, $av)
807	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
808		1214
809	#############################################################################	1215	#############################################################################
810	# command handling &c	1216	# command handling &c
811		1217
812	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1232	}
827		1233
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1235
830	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
831		1241
832	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
833	called.	1243	called.
834		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
835	=cut	1256	=cut
836		1257
837	sub register_extcmd {	1258	sub register_extcmd {
838	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
839		1260
840	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
841	}	1268	}
842		1269
843	cf::player->attach (	1270	cf::player->attach (
844	on_command => sub {	1271	on_command => sub {
845	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1281	cf::override;
855	},	1282	},
856	on_extcmd => sub {	1283	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
858		1285
859	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1287
861	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
867	} else {	1303	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1305	}
870		1306
871	cf::override;	1307	cf::override;
872	},	1308	},
873	);	1309	);
874		1310
875	sub load_extension {
876	my ($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 {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
910	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1316	next unless -r $path;
912	eval {	1317
913	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
914	1	1374	}
915	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
916	}	1380	};
917	}	1381	}
918		1382
919	#############################################################################	1383	#############################################################################
920		1384
		1385	=back
		1386
921	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
922		1388
923	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
924		1390
925	=cut	1391	=cut
…		…
930		1396
931	=head3 cf::player	1397	=head3 cf::player
932		1398
933	=over 4	1399	=over 4
934		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
		1414
935	=item cf::player::find $login	1415	=item cf::player::find $login
936		1416
937	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
938		1418
939	=cut	1419	=cut
940		1420
941	sub playerdir($) {	1421	sub playerdir($) {
942	cf::localdir	1422	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1423	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1424	}
948		1425
949	sub path($) {	1426	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1427	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1428
952	(playerdir $login) . "/$login.pl"	1429	(playerdir $login) . "/playerdata"
953	}	1430	}
954		1431
955	sub find_active($) {	1432	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1433	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1434	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1447	my $login = $_[0];
971		1448
972	my $guard = cf::lock_acquire "user_find:$login";	1449	my $guard = cf::lock_acquire "user_find:$login";
973		1450
974	$cf::PLAYER{$_[0]} || do {	1451	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1452	# rename old playerfiles to new ones
		1453	#TODO: remove when no longer required
		1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1457	aio_unlink +(playerdir $login) . "/$login.pl";
		1458
		1459	my $f = new_from_file cf::object::thawer path $login
976	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
978	}	1468	}
979	}	1469	}
980	}	1470	}
981		1471
…		…
990	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
991		1481
992	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
994		1484
		1485	cf::get_slot 0.01;
		1486
995	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
996	Coro::cede;	1488	cf::cede_to_tick;
997	}	1489	}
998		1490
999	sub new($) {	1491	sub new($) {
1000	my ($login) = @_;	1492	my ($login) = @_;
1001		1493
…		…
1007	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1008		1500
1009	$self	1501	$self
1010	}	1502	}
1011		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1012	=item $pl->quit_character	1514	=item $pl->quit_character
1013		1515
1014	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1016		1518
1017	=cut	1519	=cut
1018		1520
1019	sub quit_character {	1521	sub quit_character {
1020	my ($pl) = @_;	1522	my ($pl) = @_;
1021		1523
		1524	my $name = $pl->ob->name;
		1525
1022	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1528
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1029		1535
1030	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1538	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1539	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1540	$pl->destroy;
		1541
		1542	my $prefix = qr<^~\Q$name\E/>;
		1543
		1544	# nuke player maps
		1545	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1546
1035	IO::AIO::aio_rmtree $temp;	1547	IO::AIO::aio_rmtree $temp;
		1548	}
		1549
		1550	=item $pl->kick
		1551
		1552	Kicks a player out of the game. This destroys the connection.
		1553
		1554	=cut
		1555
		1556	sub kick {
		1557	my ($pl, $kicker) = @_;
		1558
		1559	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1560	$pl->killer ("kicked");
		1561	$pl->ns->destroy;
1036	}	1562	}
1037		1563
1038	=item cf::player::list_logins	1564	=item cf::player::list_logins
1039		1565
1040	Returns am arrayref of all valid playernames in the system, can take a	1566	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1567	while and may block, so not sync_job-capable, ever.
1042		1568
1043	=cut	1569	=cut
1044		1570
1045	sub list_logins {	1571	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1572	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1573	or return [];
1048		1574
1049	my @logins;	1575	my @logins;
1050		1576
1051	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1055		1587
1056	utf8::decode $login;	1588	utf8::decode $login;
1057	push @logins, $login;	1589	push @logins, $login;
1058	}	1590	}
1059		1591
…		…
1067		1599
1068	=cut	1600	=cut
1069		1601
1070	sub maps($) {	1602	sub maps($) {
1071	my ($pl) = @_;	1603	my ($pl) = @_;
		1604
		1605	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1606
1073	my $files = aio_readdir playerdir $pl	1607	my $files = aio_readdir playerdir $pl
1074	or return;	1608	or return;
1075		1609
1076	my @paths;	1610	my @paths;
…		…
1078	for (@$files) {	1612	for (@$files) {
1079	utf8::decode $_;	1613	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1614	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1615	next unless /^$PATH_SEP/o;
1082		1616
1083	s/\.map$//;	1617	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1618	}
1086		1619
1087	\@paths	1620	\@paths
1088	}	1621	}
1089		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1091		1717
1092	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1093		1719
1094	=cut	1720	=cut
1095		1721
1096	sub ext_reply($$$%) {	1722	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1098		1724
1099	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1726	}
1103		1727
1104	package cf;	1728	=item $player->ext_msg ($type, @msg)
		1729
		1730	Sends an ext event to the client.
		1731
		1732	=cut
		1733
		1734	sub ext_msg($$@) {
		1735	my ($self, $type, @msg) = @_;
		1736
		1737	$self->ns->ext_msg ($type, @msg);
		1738	}
		1739
		1740	=head3 cf::region
		1741
		1742	=over 4
		1743
		1744	=cut
		1745
		1746	package cf::region;
		1747
		1748	=item cf::region::find_by_path $path
		1749
		1750	Tries to decuce the likely region for a map knowing only its path.
		1751
		1752	=cut
		1753
		1754	sub find_by_path($) {
		1755	my ($path) = @_;
		1756
		1757	my ($match, $specificity);
		1758
		1759	for my $region (list) {
		1760	if ($region->{match} && $path =~ $region->{match}) {
		1761	($match, $specificity) = ($region, $region->specificity)
		1762	if $region->specificity > $specificity;
		1763	}
		1764	}
		1765
		1766	$match
		1767	}
1105		1768
1106	=back	1769	=back
1107
1108		1770
1109	=head3 cf::map	1771	=head3 cf::map
1110		1772
1111	=over 4	1773	=over 4
1112		1774
…		…
1124	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1126		1788
1127	sub generate_random_map {	1789	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1793
1129	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1795	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1832	my ($self, $merge) = @_;
1168		1833
1169	# we have to keep some variables in memory intact	1834	# we have to keep some variables in memory intact
1170	local $self->{path};	1835	local $self->{path};
1171	local $self->{load_path};	1836	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1837
1175	$self->SUPER::thawer_merge ($merge);	1838	$self->SUPER::thawer_merge ($merge);
1176	}	1839	}
1177		1840
1178	sub normalise {	1841	sub normalise {
1179	my ($path, $base) = @_;	1842	my ($path, $base) = @_;
		1843
		1844	$path = "$path"; # make sure its a string
		1845
		1846	$path =~ s/\.map$//;
1180		1847
1181	# map plan:	1848	# map plan:
1182	#	1849	#
1183	# /! non-realised random map exit (special hack!)	1850	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1851	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1222	return $self;	1889	return $self;
1223	}	1890	}
1224	}	1891	}
1225		1892
1226	Carp::carp "unable to resolve path '$path'.";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1894	()
1228	}	1895	}
1229		1896
1230	sub init {	1897	sub init {
1231	my ($self) = @_;	1898	my ($self) = @_;
…		…
1246		1913
1247	# the original (read-only) location	1914	# the original (read-only) location
1248	sub load_path {	1915	sub load_path {
1249	my ($self) = @_;	1916	my ($self) = @_;
1250		1917
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1918	"$MAPDIR/$self->{path}.map"
1252	}	1919	}
1253		1920
1254	# the temporary/swap location	1921	# the temporary/swap location
1255	sub save_path {	1922	sub save_path {
1256	my ($self) = @_;	1923	my ($self) = @_;
1257		1924
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1926	"$TMPDIR/$path.map"
1260	}	1927	}
1261		1928
1262	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1263	sub uniq_path {	1930	sub uniq_path {
1264	my ($self) = @_;	1931	my ($self) = @_;
1265		1932
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1934	"$UNIQUEDIR/$path"
1268	}	1935	}
1269		1936
1270	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1271	# all maps in C++...	1938	# all maps in C++...
1272	sub change_all_map_light {	1939	sub change_all_map_light {
…		…
1274		1941
1275	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1277	}	1944	}
1278		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
1279	sub unlink_save {	1954	sub unlink_save {
1280	my ($self) = @_;	1955	my ($self) = @_;
1281		1956
1282	utf8::encode (my $save = $self->save_path);	1957	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1961
1287	sub load_header_from($) {	1962	sub load_header_from($) {
1288	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1289		1964
1290	utf8::encode $path;	1965	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1292	or return;	1967	or return;
1293		1968
1294	$self->_load_header ($path)	1969	$self->_load_header ($f)
1295	or return;	1970	or return;
1296		1971
		1972	local $MAP_LOADING{$self->{path}} = $self;
		1973	$f->resolve_delayed_derefs;
		1974
1297	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1298		1976
1299	1	1977	1
1300	}	1978	}
1301		1979
1302	sub load_orig {	1980	sub load_header_orig {
1303	my ($self) = @_;	1981	my ($self) = @_;
1304		1982
1305	$self->load_header_from ($self->load_path)	1983	$self->load_header_from ($self->load_path)
1306	}	1984	}
1307		1985
1308	sub load_temp {	1986	sub load_header_temp {
1309	my ($self) = @_;	1987	my ($self) = @_;
1310		1988
1311	$self->load_header_from ($self->save_path)	1989	$self->load_header_from ($self->save_path)
		1990	}
		1991
		1992	sub prepare_temp {
		1993	my ($self) = @_;
		1994
		1995	$self->last_access ((delete $self->{last_access})
		1996	|| $cf::RUNTIME); #d#
		1997	# safety
		1998	$self->{instantiate_time} = $cf::RUNTIME
		1999	if $self->{instantiate_time} > $cf::RUNTIME;
		2000	}
		2001
		2002	sub prepare_orig {
		2003	my ($self) = @_;
		2004
		2005	$self->{load_original} = 1;
		2006	$self->{instantiate_time} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008	$self->instantiate;
1312	}	2009	}
1313		2010
1314	sub load_header {	2011	sub load_header {
1315	my ($self) = @_;	2012	my ($self) = @_;
1316		2013
1317	if ($self->load_temp) {	2014	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	2015	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	2016	} else {
1324	$self->load_orig	2017	$self->load_header_orig
1325	or return;	2018	or return;
1326		2019	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	2020	}
		2021
		2022	$self->{deny_reset} = 1
		2023	if $self->no_reset;
		2024
		2025	$self->default_region (cf::region::find_by_path $self->{path})
		2026	unless $self->default_region;
1332		2027
1333	1	2028	1
1334	}	2029	}
1335		2030
1336	sub find;	2031	sub find;
1337	sub find {	2032	sub find {
1338	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1339		2034
1340	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1341		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1342	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1343		2039
1344	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1345	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1346	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1347	or return;	2045	or return;
1348		2046
1349	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1350		2048
1351	$map->load_header	2049	$map->load_header
1352	or return;	2050	or return;
1353		2051
1354	if ($map->should_reset) {	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1357	$map->reset;	2057	$map->reset;
1358	undef $guard;
1359	$map = find $path	2058	return find $path;
1360	or return;
1361	}	2059	}
1362		2060
1363	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1364	}	2062	}
1365	}	2063	}
		2064
		2065	sub pre_load { }
		2066	sub post_load { }
1366		2067
1367	sub load {	2068	sub load {
1368	my ($self) = @_;	2069	my ($self) = @_;
1369		2070
		2071	local $self->{deny_reset} = 1; # loading can take a long time
		2072
1370	my $path = $self->{path};	2073	my $path = $self->{path};
		2074
		2075	{
1371	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1372		2077
		2078	return unless $self->valid;
1373	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1374		2080
1375	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1376		2082
1377	$self->alloc;	2083	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)	2084
		2085	$self->pre_load;
		2086	cf::cede_to_tick;
		2087
		2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
		2090	$self->_load_objects ($f)
1379	or return;	2091	or return;
1380		2092
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382	if delete $self->{load_original};	2094	if delete $self->{load_original};
1383		2095
1384	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	2097	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1387	$self->clear_unique_items;	2100	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1389	}	2104	}
1390	}	2105	}
1391		2106
1392	Coro::cede;	2107	$f->resolve_delayed_derefs;
1393		2108
		2109	cf::cede_to_tick;
1394	# now do the right thing for maps	2110	# now do the right thing for maps
1395	$self->link_multipart_objects;	2111	$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)	2112	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	2113	unless $self->difficulty;
1405	Coro::cede;	2114	cf::cede_to_tick;
		2115
		2116	unless ($self->{deny_activate}) {
		2117	$self->decay_objects;
		2118	$self->fix_auto_apply;
		2119	$self->update_buttons;
		2120	cf::cede_to_tick;
		2121	$self->set_darkness_map;
		2122	cf::cede_to_tick;
1406	$self->activate;	2123	$self->activate;
1407	}	2124	}
1408		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1409	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
		2130	}
		2131
		2132	$self->post_load;
1410	}	2133	}
1411		2134
1412	sub customise_for {	2135	sub customise_for {
1413	my ($self, $ob) = @_;	2136	my ($self, $ob) = @_;
1414		2137
1415	return find "~" . $ob->name . "/" . $self->{path}	2138	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	2139	if $self->per_player;
1417		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
1418	$self	2144	$self
1419	}	2145	}
1420		2146
1421	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1422	sub load_diag {	2148	sub load_neighbours {
1423	my ($map) = @_;	2149	my ($map) = @_;
1424		2150
1425	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1426		2152
1427	for (0 .. 3) {	2153	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1429	or next;	2155	or next;
1430	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1431	or next;	2157	or next;
1432	$neigh->load;	2158	$neigh->load;
1433		2159
		2160	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	2163	}
1437		2164
1438	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1440	or next;	2168	or next;
1441	$neigh->load;	2169	$neigh->load;
1442	}	2170	}
1443	}	2171	}
1444		2172
…		…
1449	}	2177	}
1450		2178
1451	sub do_load_sync {	2179	sub do_load_sync {
1452	my ($map) = @_;	2180	my ($map) = @_;
1453		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1454	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1455	}	2186	}
1456		2187
1457	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1459		2190
1460	sub find_async {	2191	sub find_async {
1461	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1462		2193
1463	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1464		2195
1465	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1467	}	2198	}
1468		2199
1469	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1470	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1471	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	2207	if (my $map = find $k) {
1474	or next;
1475	$map->load;	2208	$map->load if $v;
		2209	}
1476		2210
1477	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1478	}	2212	}
1479	}	2213	}
1480	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1481	};	2215	};
		2216	$MAP_PREFETCHER->prio (6);
1482		2217
1483	()	2218	()
1484	}	2219	}
1485		2220
1486	sub save {	2221	sub save {
1487	my ($self) = @_;	2222	my ($self) = @_;
1488		2223
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2225
1491	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1492		2227
1493	return unless $self->dirty;	2228	return unless $self->dirty;
1494		2229
…		…
1500	return if $self->{deny_save};	2235	return if $self->{deny_save};
1501		2236
1502	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1503		2238
1504	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1506	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1507		2245
1508	if ($uniq) {	2246	if ($uniq) {
1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2249	} else {
…		…
1517	my ($self) = @_;	2255	my ($self) = @_;
1518		2256
1519	# save first because save cedes	2257	# save first because save cedes
1520	$self->save;	2258	$self->save;
1521		2259
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2261
1524	return if $self->players;	2262	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1526	return if $self->{deny_save};	2264	return if $self->{deny_save};
1527		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2270	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2271	}
1531		2272
1532	sub reset_at {	2273	sub reset_at {
1533	my ($self) = @_;	2274	my ($self) = @_;
1534		2275
1535	# TODO: safety, remove and allow resettable per-player maps	2276	# 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};	2277	return 1e99 if $self->{deny_reset};
1538		2278
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2281
…		…
1552	my ($self) = @_;	2292	my ($self) = @_;
1553		2293
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2295
1556	return if $self->players;	2296	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2297
1559	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
		2299
		2300	$self->in_memory (cf::MAP_SWAPPED);
		2301
		2302	# need to save uniques path
		2303	unless ($self->{deny_save}) {
		2304	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2305
		2306	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2307	if $uniq;
		2308	}
1560		2309
1561	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1562		2311
1563	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1564	$self->clear;	2314	$self->clear;
1565
1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		2315
1568	$self->unlink_save;	2316	$self->unlink_save;
1569	$self->destroy;	2317	$self->destroy;
1570	}	2318	}
1571		2319
1572	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1573		2321
1574	sub nuke {	2322	sub nuke {
1575	my ($self) = @_;	2323	my ($self) = @_;
1576		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1577	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1578		2329
1579	$self->unlink_save;	2330	$self->unlink_save;
1580		2331
1581	bless $self, "cf::map";	2332	bless $self, "cf::map";
1582	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2337
1587	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1588		2340
1589	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
		2342	}
		2343
		2344	=item $maps = cf::map::tmp_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1590	}	2378	}
1591		2379
1592	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1593		2381
1594	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2383	instantiated unique items. May block.
1596		2384
1597	=cut	2385	=cut
1598		2386
1599	sub unique_maps() {	2387	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2388	[
1601	or return;	2389	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2390	utf8::decode $_;
1607	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1608	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1609		2393	? ()
1610	s/\.map$//;	2394	: normalise $_
1611	push @paths, $_;	2395	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2396	]
1613
1614	\@paths
1615	}	2397	}
1616
1617	package cf;
1618		2398
1619	=back	2399	=back
1620		2400
1621	=head3 cf::object	2401	=head3 cf::object
1622		2402
…		…
1626		2406
1627	=over 4	2407	=over 4
1628		2408
1629	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1630		2410
1631	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1632		2413
1633	=cut	2414	=cut
1634		2415
1635	sub inv_recursive_;	2416	sub inv_recursive_;
1636	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1639		2420
1640	sub inv_recursive {	2421	sub inv_recursive {
1641	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1642	}	2423	}
1643		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1644	package cf;	2453	package cf;
1645		2454
1646	=back	2455	=back
1647		2456
1648	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1654	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	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	2464	can be C<undef>. Does the right thing when the player is currently in a
1656	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1657		2466
1658	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1659		2482
1660	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1661	# with dialog boxes.	2484	# with dialog boxes.
1662	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1663	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1665		2488
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2490
1668	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1670	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1673	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1674	}	2516	}
1675		2517
1676	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1677		2519
1678	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1710	=cut	2552	=cut
1711		2553
1712	sub link_map {	2554	sub link_map {
1713	unless ($LINK_MAP) {	2555	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2556	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2557	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2558	$LINK_MAP->load;
1717	}	2559	}
1718		2560
1719	$LINK_MAP	2561	$LINK_MAP
1720	}	2562	}
…		…
1725	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1726		2568
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2570
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1731		2573
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2575	}
1734		2576
1735	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1737		2581
1738	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1739		2583
1740	unless ($map) {	2584	unless ($map) {
1741	# restore original map position	2585	# restore original map position
…		…
1755	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1758		2602
1759	$map->load;	2603	$map->load;
1760	$map->load_diag;	2604	$map->load_neighbours;
1761		2605
1762	return unless $self->contr->active;	2606	return unless $self->contr->active;
1763	$self->activate_recursive;	2607	$self->activate_recursive;
		2608
		2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1765	}	2611	}
1766		2612
1767	cf::player->attach (	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768	on_logout => sub {
1769	my ($pl) = @_;
1770		2614
1771	# abort map switching before logout	2615	Moves the player to the given map-path and coordinates by first freezing
1772	if ($pl->ob->{_link_pos}) {	2616	her, loading and preparing them map, calling the provided $check callback
1773	cf::sync_job {	2617	that has to return the map if sucecssful, and then unfreezes the player on
1774	$pl->ob->leave_link	2618	the new (success) or old (failed) map position. In either case, $done will
1775	};	2619	be called at the end of this process.
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2620
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
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
1799	=item $player_object->goto ($path, $x, $y)
1800
1801	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1802		2624
1803	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
		2627
		2628	# do generation counting so two concurrent goto's will be executed in-order
		2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2630
1806	$self->enter_link;	2631	$self->enter_link;
1807		2632
1808	(async {	2633	(async {
1809	my $map = cf::map::find $path;	2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
		2655	my $map = eval {
		2656	my $map = defined $path ? cf::map::find $path : undef;
		2657
		2658	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2659	$map = $map->customise_for ($self);
1811		2660	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2661	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	}
1816		2664
		2665	$map
		2666	};
		2667
		2668	if ($@) {
		2669	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	LOG llevError | logBacktrace, Carp::longmess $@;
		2671	}
		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
1818	})->prio (1);	2679	})->prio (1);
1819	}	2680	}
1820		2681
1821	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
1822		2683
…		…
1842	}	2703	}
1843		2704
1844	sub prepare_random_map {	2705	sub prepare_random_map {
1845	my ($exit) = @_;	2706	my ($exit) = @_;
1846		2707
1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1848
1849	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
1850	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
1851	# that depends on the exit object	2710	# that depends on the exit object
1852		2711
1853	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
1854		2713
1855	if ($exit->map) {	2714	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2715	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
1860	}	2721	}
1861		2722
1862	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
1863		2724
1864	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1865	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
1867		2728
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2731	undef $fh;
1871	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
1872		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
1873	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
1874	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
1875	}	2740	}
1876	}	2741	}
1877		2742
1878	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
…		…
1881	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
1882		2747
1883	$self->enter_link;	2748	$self->enter_link;
1884		2749
1885	(async {	2750	(async {
1886	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
1887	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
1888	prepare_random_map $exit	2760	prepare_random_map $exit
1889	if $exit->slaying eq "/!";	2761	if $exit->slaying eq "/!";
		2762	}
1890		2763
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
1893		2767
		2768	$self->goto ($map, $x, $y);
		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
1894	1;	2774	1
1895	}) {	2775	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2780
1901	warn "ERROR in enter_exit: $@";	2781	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2782	$self->leave_link;
1903	}	2783	}
1904	})->prio (1);	2784	})->prio (1);
…		…
1917		2797
1918	sub cf::client::send_drawinfo {	2798	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2799	my ($self, $text, $flags) = @_;
1920		2800
1921	utf8::encode $text;	2801	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2803	}
1924		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
		2935	=item $client->ext_msg ($type, @msg)
		2936
		2937	Sends an ext event to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_msg($$@) {
		2942	my ($self, $type, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
		2947	push @msg, msgtype => "event_$type";
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
		2968	}
1925		2969
1926	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
1927		2971
1928	Queues a query to the client, calling the given callback with	2972	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>,	2973	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>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2975
1932	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2977	become reliable at some point in the future.
1934		2978
1935	=cut	2979	=cut
1936		2980
1937	sub cf::client::query {	2981	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2990	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2992
1949	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
1951	}	2997	}
1952		2998
1953	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
1954	on_reply => sub {	3005	on_reply => sub {
1955	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
1956		3007
1957	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
1958	# get handled first	3009	# get handled first
1959	my $queue = delete $ns->{query_queue}	3010	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	3011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		3012
1962	(shift @$queue)->[1]->($msg);	3013	(shift @$queue)->[1]->($msg);
		3014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		3015
1964	push @{ $ns->{query_queue} }, @$queue;	3016	push @{ $ns->{query_queue} }, @$queue;
1965		3017
1966	if (@{ $ns->{query_queue} } == @$queue) {	3018	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	3019	if (@$queue) {
…		…
1969	} else {	3021	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	3023	}
1972	}	3024	}
1973	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
1974	);	3052	);
1975		3053
1976	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
1977		3055
1978	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2019	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2021		3099
2022	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2023		3101
2024	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
2025		3107
2026	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2027		3109
2028	=pod	3110	=pod
2029		3111
2030	The following fucntions and emthods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2031		3113
2032	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
2033	cf::object::player player	3118	cf::object::player
2034	cf::player peaceful	3119	player
2035	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2036		3126
2037	=cut	3127	=cut
2038		3128
2039	for (	3129	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2041	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2044	) {	3136	) {
2045	no strict 'refs';	3137	no strict 'refs';
…		…
2116	=back	3208	=back
2117		3209
2118	=cut	3210	=cut
2119		3211
2120	#############################################################################	3212	#############################################################################
		3213	# the server's init and main functions
2121		3214
2122	=head2 EXTENSION DATABASE SUPPORT	3215	sub load_facedata($) {
		3216	my ($path) = @_;
2123		3217
2124	Crossfire maintains a very simple database for extension use. It can	3218	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	3219	# for this (global event?)
2126	excludes objects.	3220	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		3221
2128	The parameter C<$family> should best start with the name of the extension	3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		3223
2131	=over 4	3224	warn "loading facedata from $path\n";
2132		3225
2133	=item $hashref = cf::db_get $family	3226	my $facedata;
		3227	0 < aio_load $path, $facedata
		3228	or die "$path: $!";
2134		3229
2135	Return a hashref for use by the extension C<$family>, which can be	3230	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		3231
2139	=item $value = cf::db_get $family => $key	3232	$facedata->{version} == 2
		3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		3234
2141	Returns a single value from the database	3235	# patch in the exptable
2142		3236	$facedata->{resource}{"res/exp_table"} = {
2143	=item cf::db_put $family => $hashref	3237	type => FT_RSRC,
2144		3238	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	});	3239	};
		3240	cf::cede_to_tick;
2194		3241
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	3242	{
		3243	my $faces = $facedata->{faceinfo};
2199		3244
2200	sub db_get($;$) {	3245	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		3247
2206	sub db_put($$;$) {	3248	cf::face::set_visibility $idx, $info->{visibility};
2207	if (@_ >= 3) {	3249	cf::face::set_magicmap $idx, $info->{magicmap};
2208	$DB->{$_[0]}{$_[1]} = $_[2];	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	} else {	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214		3252
2215	cf::global->attach (	3253	cf::cede_to_tick;
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	3254	}
2220	);
2221	}
2222		3255
2223	#############################################################################	3256	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	3257	next unless $info->{smooth};
2225		3258
2226	sub cfg_load {	3259	my $idx = cf::face::find $face
		3260	or next;
		3261
		3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
		3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3265	} else {
		3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	{
		3274	my $anims = $facedata->{animinfo};
		3275
		3276	while (my ($anim, $info) = each %$anims) {
		3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3278	cf::cede_to_tick;
		3279	}
		3280
		3281	cf::anim::invalidate_all; # d'oh
		3282	}
		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3318
		3319	1
		3320	}
		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
		3350	sub load_resource_file($) {
		3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
		3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
		3365	load_resource_file "$MAPDIR/regions"
		3366	or die "unable to load regions file\n";
		3367
		3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
		3372	}
		3373
		3374	sub reload_facedata {
		3375	load_facedata "$DATADIR/facedata"
		3376	or die "unable to load facedata\n";
		3377	}
		3378
		3379	sub reload_archetypes {
		3380	load_resource_file "$DATADIR/archetypes"
		3381	or die "unable to load archetypes\n";
		3382	}
		3383
		3384	sub reload_treasures {
		3385	load_resource_file "$DATADIR/treasures"
		3386	or die "unable to load treasurelists\n";
		3387	}
		3388
		3389	sub reload_resources {
		3390	warn "reloading resource files...\n";
		3391
		3392	reload_facedata;
		3393	reload_archetypes;
		3394	reload_regions;
		3395	reload_treasures;
		3396
		3397	warn "finished reloading resource files\n";
		3398	}
		3399
		3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	3408	or return;
2229		3409
2230	local $/;	3410	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2232		3412
2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2234		3414
2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$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};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2247	sub main {	3427	sub main {
2248	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2249	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2251	(async {	3431	(async {
2252	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2253	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2254	};	3435	};
2255		3436
2256	cfg_load;	3437	{
2257	db_load;	3438	my $guard = freeze_mainloop;
		3439	reload_config;
		3440	db_init;
2258	load_extensions;	3441	load_extensions;
2259		3442
2260	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2261	Event::loop;	3446	EV::loop;
2262	}	3447	}
2263		3448
2264	#############################################################################	3449	#############################################################################
2265	# initialisation and cleanup	3450	# initialisation and cleanup
2266		3451
2267	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2268	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2275	},
2276	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2277	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2278	}	3541	}
2279		3542
2280	sub emergency_save() {	3543	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2282		3545
…		…
2288	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3557	$pl->save;
2294	}	3558	}
2295	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2296		3560
2297	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2299	my $map = $cf::MAP{$path} or next;	3563	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3564	$map->valid or next;
2301	$map->save;	3565	$map->save;
2302	}	3566	}
2303	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
		3568
		3569	warn "begin emergency database checkpoint\n";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2304	};	3576	};
2305		3577
2306	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2307	}	3579	}
2308		3580
		3581	sub post_cleanup {
		3582	my ($make_core) = @_;
		3583
		3584	warn Carp::longmess "post_cleanup backtrace"
		3585	if $make_core;
		3586	}
		3587
2309	sub reload() {	3588	sub do_reload_perl() {
2310	# can/must only be called in main	3589	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2313	return;	3592	return;
2314	}	3593	}
2315		3594
2316	warn "reloading...";	3595	warn "reloading...";
2317		3596
2318	warn "cancelling server ticker";	3597	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3598
		3599	cf::sync_job {
		3600	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3601	cf::emergency_save;
		3602	cf::write_runtime_sync; # external watchdog should not bark
2322		3603
2323	eval {	3604	warn "syncing database to disk";
		3605	BDB::db_env_txn_checkpoint $DB_ENV;
		3606
2324	# if anything goes wrong in here, we should simply crash as we already saved	3607	# 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 $_->data & WF_AUTOCANCEL;
2332	}
2333		3608
2334	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2335	for (;;) {	3610	for (;;) {
		3611	BDB::flush;
2336	IO::AIO::flush;	3612	IO::AIO::flush;
2337	Coro::cede;	3613	Coro::cede_notself;
2338	last unless IO::AIO::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	3615	warn "iterate...";
2340	}	3616	}
		3617
		3618	++$RELOAD;
2341		3619
2342	warn "cancelling all extension coros";	3620	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3622	%EXT_CORO = ();
2345		3623
2346	warn "removing commands";	3624	warn "removing commands";
2347	%COMMAND = ();	3625	%COMMAND = ();
2348		3626
2349	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2350	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2351		3630
2352	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2355		3634
…		…
2385	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3666
2388	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2390		3670
2391	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3672	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2394		3674
…		…
2397	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2398	require cf;	3678	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3680
2401	warn "loading config and database again";	3681	warn "loading config and database again";
2402	cf::cfg_load;	3682	cf::reload_config;
2403	cf::db_load;
2404		3683
2405	warn "loading extensions";	3684	warn "loading extensions";
2406	cf::load_extensions;	3685	cf::load_extensions;
2407		3686
2408	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3688	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
		3691	warn "reattaching attachments to players";
		3692	reattach $_ for values %PLAYER;
2412		3693
2413	warn "restarting server ticker";	3694	warn "leaving sync_job";
2414		3695
2415	$TICK_WATCHER->start;	3696	1
		3697	} or do {
		3698	warn $@;
		3699	cf::cleanup "error while reloading, exiting.";
2416	};	3700	};
2417
2418	if ($@) {
2419	warn $@;
2420	warn "error while reloading, exiting.";
2421	exit 1;
2422	}
2423		3701
2424	warn "reloaded";	3702	warn "reloaded";
2425	};	3703	};
2426		3704
2427	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2428		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2429	register_command "reload" => sub {	3717	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2431		3719
2432	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2434		3722	async {
2435	# doing reload synchronously and two reloads happen back-to-back,	3723	$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;	3724	reload_perl;
2440	undef $RELOAD_WATCHER;
2441	});	3725	};
2442	}	3726	}
2443	};	3727	};
2444		3728
2445	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2446		3730
2447	my $bug_warning = 0;	3731	my $bug_warning = 0;
2448		3732
2449	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2450	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2451	parked => 1,	3735
2452	prio => 0,	3736	sub wait_for_tick {
2453	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2454	data => WF_AUTOCANCEL,	3738
2455	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2456	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2459	return;	3756	return;
2460	}	3757	}
2461		3758
2462	$NOW = Event::time;
2463
2464	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2465	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;
2467		3760
2468	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2470		3763	Coro::async_pool {
2471	# if we are delayed by four ticks or more, skip them all	3764	$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	3765	write_runtime_sync
2496	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
		3767	};
2497	},	3768	}
2498	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
		3788
		3789	{
		3790	# configure BDB
		3791
		3792	BDB::min_parallel 8;
		3793	BDB::max_poll_reqs $TICK * 0.1;
		3794	$AnyEvent::BDB::WATCHER->priority (1);
		3795
		3796	unless ($DB_ENV) {
		3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3802
		3803	cf::sync_job {
		3804	eval {
		3805	BDB::db_env_open
		3806	$DB_ENV,
		3807	$BDBDIR,
		3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3810	0666;
		3811
		3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3813	};
		3814
		3815	cf::cleanup "db_env_open(db): $@" if $@;
		3816	};
		3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
		3828	}
		3829
		3830	{
		3831	# configure IO::AIO
		3832
		3833	IO::AIO::min_parallel 8;
		3834	IO::AIO::max_poll_time $TICK * 0.1;
		3835	#undef $AnyEvent::AIO::WATCHER;
		3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2499		3880
2500	END { cf::emergency_save }	3881	END { cf::emergency_save }
2501		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
2502	1	3885	1
2503		3886

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