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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.195 by root, Fri Jan 26 20:59:57 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 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 3.2;
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 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	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		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	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		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	154	every server tick.
102		155
103	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	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	191	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	192	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.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		239
151	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	Wait until the given lock is available and then acquires it and returns	307	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,	308	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	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		533
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
352	or return;	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
353		538
354	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		540
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
359	and return;	542	my ($cb, @args) = @_;
360		543
361	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
362	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
363		547
364	close $fh	548	my @res = Coro::Util::fork_eval {
365	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
366		552
367	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
368	and return;	554	}
369		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
370	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	719	}
372		720
373	=back	721	=back
374		722
375	=cut	723	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
384		732
385	In the following description, CLASS can be any of C<global>, C<object>	733	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	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	735	Deliantra).
388		736
389	=over 4	737	=over 4
390		738
391	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
392		740
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
556		904
557	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		909
562	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	911	my $pkg = shift @arg;
564		912
565	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
595	}	943	}
596		944
597	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
598	} else {	946	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	948	}
601		949
602	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
603	}	951	}
604		952
…		…
606	if (ref $_[0]) {	954	if (ref $_[0]) {
607	_object_attach @_;	955	_object_attach @_;
608	} else {	956	} else {
609	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
610	}	958	}
		959	_recalc_want;
611	};	960	};
612		961
613	# all those should be optimised	962	# all those should be optimised
614	sub cf::attachable::detach {	963	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
619	reattach ($obj);	968	reattach ($obj);
620	} else {	969	} else {
621	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
622	}	971	}
		972	_recalc_want;
623	};	973	};
624		974
625	sub cf::attachable::attached {	975	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
627		977
…		…
642	";	992	";
643	die if $@;	993	die if $@;
644	}	994	}
645		995
646	our $override;	996	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		998
649	sub override {	999	sub override {
650	$override = 1;	1000	$override = 1;
651	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
652	}	1002	}
653		1003
654	sub do_invoke {	1004	sub do_invoke {
655	my $event = shift;	1005	my $event = shift;
656	my $callbacks = shift;	1006	my $callbacks = shift;
657		1007
658	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
659		1009
660	local $override;	1010	local $override;
661		1011
662	for (@$callbacks) {	1012	for (@$callbacks) {
663	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
672	}	1022	}
673		1023
674	0	1024	0
675	}	1025	}
676		1026
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1028
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1030
681	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
682		1032
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	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	1034	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1036
687	=back	1037	=back
688		1038
689	=cut	1039	=cut
690		1040
691	#############################################################################	1041	#############################################################################
692	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
693		1085
694	sub reattach {	1086	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1088	my ($obj) = @_;
697		1089
…		…
718	cf::attachable->attach (	1110	cf::attachable->attach (
719	prio => -1000000,	1111	prio => -1000000,
720	on_instantiate => sub {	1112	on_instantiate => sub {
721	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
722		1114
723	$data = from_json $data;	1115	$data = decode_json $data;
724		1116
725	for (@$data) {	1117	for (@$data) {
726	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
727		1119
728	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1136	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
746		1138
747	sync_job {	1139	sync_job {
748	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
751		1144
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1149	aio_close $fh;
757		1150
758	if (@$objs) {	1151	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1157	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
766	}	1159	}
767	} else {	1160	} else {
768	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
769	}	1162	}
…		…
774	}	1167	}
775	} else {	1168	} else {
776	aio_unlink $filename;	1169	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
778	}	1171	}
779	}	1172	};
780	}	1173	}
781		1174
782	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
784		1177
…		…
796	or return;	1189	or return;
797		1190
798	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
800	or return;	1193	or return;
		1194
801	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
802	}	1197	}
803		1198
		1199	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
806	return ($data, $av);	1203	($data, $av)
807	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
808		1211
809	#############################################################################	1212	#############################################################################
810	# command handling &c	1213	# command handling &c
811		1214
812	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1229	}
827		1230
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1232
830	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
831		1238
832	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
833	called.	1240	called.
834		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
835	=cut	1253	=cut
836		1254
837	sub register_extcmd {	1255	sub register_extcmd {
838	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
839		1257
840	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
841	}	1265	}
842		1266
843	cf::player->attach (	1267	cf::player->attach (
844	on_command => sub {	1268	on_command => sub {
845	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1278	cf::override;
855	},	1279	},
856	on_extcmd => sub {	1280	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
858		1282
859	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1284
861	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
867	} else {	1300	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1302	}
870		1303
871	cf::override;	1304	cf::override;
872	},	1305	},
873	);	1306	);
874		1307
875	sub load_extension {
876	my ($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 {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
910	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1313	next unless -r $path;
912	eval {	1314
913	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
914	1	1371	}
915	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
916	}	1377	};
917	}	1378	}
918		1379
919	#############################################################################	1380	#############################################################################
920		1381
		1382	=back
		1383
921	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
922		1385
923	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
924		1387
925	=cut	1388	=cut
…		…
930		1393
931	=head3 cf::player	1394	=head3 cf::player
932		1395
933	=over 4	1396	=over 4
934		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
935	=item cf::player::find $login	1412	=item cf::player::find $login
936		1413
937	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
938		1415
939	=cut	1416	=cut
940		1417
941	sub playerdir($) {	1418	sub playerdir($) {
942	cf::localdir	1419	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1421	}
948		1422
949	sub path($) {	1423	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1425
952	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
953	}	1427	}
954		1428
955	sub find_active($) {	1429	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1444	my $login = $_[0];
971		1445
972	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
973		1447
974	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
976	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
978	}	1465	}
979	}	1466	}
980	}	1467	}
981		1468
…		…
990	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
991		1478
992	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
994		1481
		1482	cf::get_slot 0.01;
		1483
995	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
996	Coro::cede;	1485	cf::cede_to_tick;
997	}	1486	}
998		1487
999	sub new($) {	1488	sub new($) {
1000	my ($login) = @_;	1489	my ($login) = @_;
1001		1490
…		…
1007	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1008		1497
1009	$self	1498	$self
1010	}	1499	}
1011		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1012	=item $pl->quit_character	1511	=item $pl->quit_character
1013		1512
1014	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1016		1515
1017	=cut	1516	=cut
1018		1517
1019	sub quit_character {	1518	sub quit_character {
1020	my ($pl) = @_;	1519	my ($pl) = @_;
1021		1520
		1521	my $name = $pl->ob->name;
		1522
1022	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1525
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1527	$pl->deactivate;
		1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1529	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1531	$pl->ns->destroy if $pl->ns;
1029		1532
1030	my $path = playerdir $pl;	1533	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1534	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1535	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1536	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1537	$pl->destroy;
		1538
		1539	my $prefix = qr<^~\Q$name\E/>;
		1540
		1541	# nuke player maps
		1542	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1543
1035	IO::AIO::aio_rmtree $temp;	1544	IO::AIO::aio_rmtree $temp;
		1545	}
		1546
		1547	=item $pl->kick
		1548
		1549	Kicks a player out of the game. This destroys the connection.
		1550
		1551	=cut
		1552
		1553	sub kick {
		1554	my ($pl, $kicker) = @_;
		1555
		1556	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1557	$pl->killer ("kicked");
		1558	$pl->ns->destroy;
1036	}	1559	}
1037		1560
1038	=item cf::player::list_logins	1561	=item cf::player::list_logins
1039		1562
1040	Returns am arrayref of all valid playernames in the system, can take a	1563	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1564	while and may block, so not sync_job-capable, ever.
1042		1565
1043	=cut	1566	=cut
1044		1567
1045	sub list_logins {	1568	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1569	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1570	or return [];
1048		1571
1049	my @logins;	1572	my @logins;
1050		1573
1051	for my $login (@$dirs) {	1574	for my $login (@$dirs) {
		1575	my $path = path $login;
		1576
		1577	# a .pst is a dead give-away for a valid player
		1578	# if no pst file found, open and chekc for blocked users
		1579	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1580	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1581	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1582	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1583	}
1055		1584
1056	utf8::decode $login;	1585	utf8::decode $login;
1057	push @logins, $login;	1586	push @logins, $login;
1058	}	1587	}
1059		1588
…		…
1067		1596
1068	=cut	1597	=cut
1069		1598
1070	sub maps($) {	1599	sub maps($) {
1071	my ($pl) = @_;	1600	my ($pl) = @_;
		1601
		1602	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1603
1073	my $files = aio_readdir playerdir $pl	1604	my $files = aio_readdir playerdir $pl
1074	or return;	1605	or return;
1075		1606
1076	my @paths;	1607	my @paths;
…		…
1078	for (@$files) {	1609	for (@$files) {
1079	utf8::decode $_;	1610	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1611	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1612	next unless /^$PATH_SEP/o;
1082		1613
1083	s/\.map$//;	1614	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1615	}
1086		1616
1087	\@paths	1617	\@paths
1088	}	1618	}
1089		1619
		1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1621
		1622	Expand crossfire pod fragments into protocol xml.
		1623
		1624	=cut
		1625
		1626	use re 'eval';
		1627
		1628	my $group;
		1629	my $interior; $interior = qr{
		1630	# match a pod interior sequence sans C<< >>
		1631	(?:
		1632	\ (.*?)\ (?{ $group = $^N })
		1633	| < (??{$interior}) >
		1634	)
		1635	}x;
		1636
		1637	sub expand_cfpod {
		1638	my ($self, $pod) = @_;
		1639
		1640	my $xml;
		1641
		1642	while () {
		1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1644	$group = $1;
		1645
		1646	$group =~ s/&/&amp;/g;
		1647	$group =~ s/</&lt;/g;
		1648
		1649	$xml .= $group;
		1650	} elsif ($pod =~ m%\G
		1651	([BCGHITU])
		1652	<
		1653	(?:
		1654	([^<>]*) (?{ $group = $^N })
		1655	| < $interior >
		1656	)
		1657	>
		1658	%gcsx
		1659	) {
		1660	my ($code, $data) = ($1, $group);
		1661
		1662	if ($code eq "B") {
		1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1664	} elsif ($code eq "I") {
		1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1666	} elsif ($code eq "U") {
		1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1668	} elsif ($code eq "C") {
		1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1670	} elsif ($code eq "T") {
		1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1672	} elsif ($code eq "G") {
		1673	my ($male, $female) = split /\|/, $data;
		1674	$data = $self->gender ? $female : $male;
		1675	$xml .= expand_cfpod ($self, $data);
		1676	} elsif ($code eq "H") {
		1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1679	"")
		1680	[$self->{hintmode}];
		1681	} else {
		1682	$xml .= "error processing '$code($data)' directive";
		1683	}
		1684	} else {
		1685	if ($pod =~ /\G(.+)/) {
		1686	warn "parse error while expanding $pod (at $1)";
		1687	}
		1688	last;
		1689	}
		1690	}
		1691
		1692	for ($xml) {
		1693	# create single paragraphs (very hackish)
		1694	s/(?<=\S)\n(?=\w)/ /g;
		1695
		1696	# compress some whitespace
		1697	s/\s+\n/\n/g; # ws line-ends
		1698	s/\n\n+/\n/g; # double lines
		1699	s/^\n+//; # beginning lines
		1700	s/\n+$//; # ending lines
		1701	}
		1702
		1703	$xml
		1704	}
		1705
		1706	no re 'eval';
		1707
		1708	sub hintmode {
		1709	$_[0]{hintmode} = $_[1] if @_ > 1;
		1710	$_[0]{hintmode}
		1711	}
		1712
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1713	=item $player->ext_reply ($msgid, @msg)
1091		1714
1092	Sends an ext reply to the player.	1715	Sends an ext reply to the player.
1093		1716
1094	=cut	1717	=cut
1095		1718
1096	sub ext_reply($$$%) {	1719	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1720	my ($self, $id, @msg) = @_;
1098		1721
1099	$msg{msgid} = $id;	1722	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1723	}
1103		1724
1104	package cf;	1725	=item $player->ext_msg ($type, @msg)
		1726
		1727	Sends an ext event to the client.
		1728
		1729	=cut
		1730
		1731	sub ext_msg($$@) {
		1732	my ($self, $type, @msg) = @_;
		1733
		1734	$self->ns->ext_msg ($type, @msg);
		1735	}
		1736
		1737	=head3 cf::region
		1738
		1739	=over 4
		1740
		1741	=cut
		1742
		1743	package cf::region;
		1744
		1745	=item cf::region::find_by_path $path
		1746
		1747	Tries to decuce the likely region for a map knowing only its path.
		1748
		1749	=cut
		1750
		1751	sub find_by_path($) {
		1752	my ($path) = @_;
		1753
		1754	my ($match, $specificity);
		1755
		1756	for my $region (list) {
		1757	if ($region->{match} && $path =~ $region->{match}) {
		1758	($match, $specificity) = ($region, $region->specificity)
		1759	if $region->specificity > $specificity;
		1760	}
		1761	}
		1762
		1763	$match
		1764	}
1105		1765
1106	=back	1766	=back
1107
1108		1767
1109	=head3 cf::map	1768	=head3 cf::map
1110		1769
1111	=over 4	1770	=over 4
1112		1771
…		…
1124	our $MAX_RESET = 3600;	1783	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1784	our $DEFAULT_RESET = 3000;
1126		1785
1127	sub generate_random_map {	1786	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1787	my ($self, $rmp) = @_;
		1788
		1789	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1790
1129	# mit "rum" bekleckern, nicht	1791	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1792	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1795	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1829	my ($self, $merge) = @_;
1168		1830
1169	# we have to keep some variables in memory intact	1831	# we have to keep some variables in memory intact
1170	local $self->{path};	1832	local $self->{path};
1171	local $self->{load_path};	1833	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1834
1175	$self->SUPER::thawer_merge ($merge);	1835	$self->SUPER::thawer_merge ($merge);
1176	}	1836	}
1177		1837
1178	sub normalise {	1838	sub normalise {
1179	my ($path, $base) = @_;	1839	my ($path, $base) = @_;
1180		1840
1181	$path = "$path"; # make sure its a string	1841	$path = "$path"; # make sure its a string
		1842
		1843	$path =~ s/\.map$//;
1182		1844
1183	# map plan:	1845	# map plan:
1184	#	1846	#
1185	# /! non-realised random map exit (special hack!)	1847	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1848	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1885	$self->init; # pass $1 etc.
1224	return $self;	1886	return $self;
1225	}	1887	}
1226	}	1888	}
1227		1889
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1890	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1891	()
1230	}	1892	}
1231		1893
1232	sub init {	1894	sub init {
1233	my ($self) = @_;	1895	my ($self) = @_;
…		…
1248		1910
1249	# the original (read-only) location	1911	# the original (read-only) location
1250	sub load_path {	1912	sub load_path {
1251	my ($self) = @_;	1913	my ($self) = @_;
1252		1914
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1915	"$MAPDIR/$self->{path}.map"
1254	}	1916	}
1255		1917
1256	# the temporary/swap location	1918	# the temporary/swap location
1257	sub save_path {	1919	sub save_path {
1258	my ($self) = @_;	1920	my ($self) = @_;
1259		1921
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1923	"$TMPDIR/$path.map"
1262	}	1924	}
1263		1925
1264	# the unique path, undef == no special unique path	1926	# the unique path, undef == no special unique path
1265	sub uniq_path {	1927	sub uniq_path {
1266	my ($self) = @_;	1928	my ($self) = @_;
1267		1929
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1931	"$UNIQUEDIR/$path"
1270	}	1932	}
1271		1933
1272	# and all this just because we cannot iterate over	1934	# and all this just because we cannot iterate over
1273	# all maps in C++...	1935	# all maps in C++...
1274	sub change_all_map_light {	1936	sub change_all_map_light {
…		…
1276		1938
1277	$_->change_map_light ($change)	1939	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1940	for grep $_->outdoor, values %cf::MAP;
1279	}	1941	}
1280		1942
		1943	sub decay_objects {
		1944	my ($self) = @_;
		1945
		1946	return if $self->{deny_reset};
		1947
		1948	$self->do_decay_objects;
		1949	}
		1950
1281	sub unlink_save {	1951	sub unlink_save {
1282	my ($self) = @_;	1952	my ($self) = @_;
1283		1953
1284	utf8::encode (my $save = $self->save_path);	1954	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1955	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1958
1289	sub load_header_from($) {	1959	sub load_header_from($) {
1290	my ($self, $path) = @_;	1960	my ($self, $path) = @_;
1291		1961
1292	utf8::encode $path;	1962	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1963	my $f = new_from_file cf::object::thawer $path
1294	or return;	1964	or return;
1295		1965
1296	$self->_load_header ($path)	1966	$self->_load_header ($f)
1297	or return;	1967	or return;
		1968
		1969	local $MAP_LOADING{$self->{path}} = $self;
		1970	$f->resolve_delayed_derefs;
1298		1971
1299	$self->{load_path} = $path;	1972	$self->{load_path} = $path;
1300		1973
1301	1	1974	1
1302	}	1975	}
…		…
1341	$self->load_header_orig	2014	$self->load_header_orig
1342	or return;	2015	or return;
1343	$self->prepare_orig;	2016	$self->prepare_orig;
1344	}	2017	}
1345		2018
		2019	$self->{deny_reset} = 1
		2020	if $self->no_reset;
		2021
		2022	$self->default_region (cf::region::find_by_path $self->{path})
		2023	unless $self->default_region;
		2024
1346	1	2025	1
1347	}	2026	}
1348		2027
1349	sub find;	2028	sub find;
1350	sub find {	2029	sub find {
1351	my ($path, $origin) = @_;	2030	my ($path, $origin) = @_;
1352		2031
1353	$path = normalise $path, $origin && $origin->path;	2032	$path = normalise $path, $origin && $origin->path;
1354		2033
		2034	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2035	cf::lock_wait "map_find:$path";
1356		2036
1357	$cf::MAP{$path} || do {	2037	$cf::MAP{$path} || do {
		2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1358	my $guard = cf::lock_acquire "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
		2040
1359	my $map = new_from_path cf::map $path	2041	my $map = new_from_path cf::map $path
1360	or return;	2042	or return;
1361		2043
1362	$map->{last_save} = $cf::RUNTIME;	2044	$map->{last_save} = $cf::RUNTIME;
1363		2045
1364	$map->load_header	2046	$map->load_header
1365	or return;	2047	or return;
1366		2048
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2049	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2050	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2051	#$cf::WAIT_FOR_TICK->wait;
		2052	undef $guard2;
		2053	undef $guard1;
1370	$map->reset;	2054	$map->reset;
1371	undef $guard;
1372	return find $path;	2055	return find $path;
1373	}	2056	}
1374		2057
1375	$cf::MAP{$path} = $map	2058	$cf::MAP{$path} = $map
1376	}	2059	}
…		…
1380	sub post_load { }	2063	sub post_load { }
1381		2064
1382	sub load {	2065	sub load {
1383	my ($self) = @_;	2066	my ($self) = @_;
1384		2067
		2068	local $self->{deny_reset} = 1; # loading can take a long time
		2069
1385	my $path = $self->{path};	2070	my $path = $self->{path};
		2071
		2072	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2073	my $guard = cf::lock_acquire "map_data:$path";
1387		2074
		2075	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2076	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2077
1390	$self->in_memory (cf::MAP_LOADING);	2078	$self->in_memory (cf::MAP_LOADING);
1391		2079
1392	$self->alloc;	2080	$self->alloc;
1393		2081
1394	$self->pre_load;	2082	$self->pre_load;
		2083	cf::cede_to_tick;
1395		2084
1396	$self->_load_objects ($self->{load_path}, 1)	2085	my $f = new_from_file cf::object::thawer $self->{load_path};
		2086	$f->skip_block;
		2087	$self->_load_objects ($f)
1397	or return;	2088	or return;
1398		2089
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1400	if delete $self->{load_original};	2091	if delete $self->{load_original};
1401		2092
1402	if (my $uniq = $self->uniq_path) {	2093	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2094	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2095	unless (aio_stat $uniq) {
		2096	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2097	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2098	$self->_load_objects ($f);
		2099	$f->resolve_delayed_derefs;
		2100	}
1407	}	2101	}
1408	}	2102	}
1409		2103
1410	Coro::cede;	2104	$f->resolve_delayed_derefs;
1411		2105
		2106	cf::cede_to_tick;
1412	# now do the right thing for maps	2107	# now do the right thing for maps
1413	$self->link_multipart_objects;	2108	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2109	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2110	unless $self->difficulty;
1423	Coro::cede;	2111	cf::cede_to_tick;
		2112
		2113	unless ($self->{deny_activate}) {
		2114	$self->decay_objects;
		2115	$self->fix_auto_apply;
		2116	$self->update_buttons;
		2117	cf::cede_to_tick;
		2118	$self->set_darkness_map;
		2119	cf::cede_to_tick;
1424	$self->activate;	2120	$self->activate;
		2121	}
		2122
		2123	$self->{last_save} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
		2125
		2126	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2127	}
1426		2128
1427	$self->post_load;	2129	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2130	}
1431		2131
1432	sub customise_for {	2132	sub customise_for {
1433	my ($self, $ob) = @_;	2133	my ($self, $ob) = @_;
1434		2134
1435	return find "~" . $ob->name . "/" . $self->{path}	2135	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2136	if $self->per_player;
1437		2137
		2138	# return find "?party/" . $ob->name . "/" . $self->{path}
		2139	# if $self->per_party;
		2140
1438	$self	2141	$self
1439	}	2142	}
1440		2143
1441	# find and load all maps in the 3x3 area around a map	2144	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2145	sub load_neighbours {
1443	my ($map) = @_;	2146	my ($map) = @_;
1444		2147
1445	my @diag; # diagonal neighbours	2148	my @neigh; # diagonal neighbours
1446		2149
1447	for (0 .. 3) {	2150	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2151	my $neigh = $map->tile_path ($_)
1449	or next;	2152	or next;
1450	$neigh = find $neigh, $map	2153	$neigh = find $neigh, $map
1451	or next;	2154	or next;
1452	$neigh->load;	2155	$neigh->load;
1453		2156
		2157	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2160	}
1457		2161
1458	for (@diag) {	2162	for (grep defined $_->[0], @neigh) {
		2163	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2164	my $neigh = find $path, $origin
1460	or next;	2165	or next;
1461	$neigh->load;	2166	$neigh->load;
1462	}	2167	}
1463	}	2168	}
1464		2169
…		…
1469	}	2174	}
1470		2175
1471	sub do_load_sync {	2176	sub do_load_sync {
1472	my ($map) = @_;	2177	my ($map) = @_;
1473		2178
		2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2180	if $Coro::current == $Coro::main;
		2181
1474	cf::sync_job { $map->load };	2182	cf::sync_job { $map->load };
1475	}	2183	}
1476		2184
1477	our %MAP_PREFETCH;	2185	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2186	our $MAP_PREFETCHER = undef;
1479		2187
1480	sub find_async {	2188	sub find_async {
1481	my ($path, $origin) = @_;	2189	my ($path, $origin, $load) = @_;
1482		2190
1483	$path = normalise $path, $origin && $origin->{path};	2191	$path = normalise $path, $origin && $origin->{path};
1484		2192
1485	if (my $map = $cf::MAP{$path}) {	2193	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2194	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2195	}
1488		2196
1489	undef $MAP_PREFETCH{$path};	2197	$MAP_PREFETCH{$path} |= $load;
		2198
1490	$MAP_PREFETCHER ||= cf::async {	2199	$MAP_PREFETCHER ||= cf::async {
		2200	$Coro::current->{desc} = "map prefetcher";
		2201
1491	while (%MAP_PREFETCH) {	2202	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2203	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2204	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2205	$map->load if $v;
		2206	}
1496		2207
1497	delete $MAP_PREFETCH{$path};	2208	delete $MAP_PREFETCH{$k};
1498	}	2209	}
1499	}	2210	}
1500	undef $MAP_PREFETCHER;	2211	undef $MAP_PREFETCHER;
1501	};	2212	};
1502	$MAP_PREFETCHER->prio (6);	2213	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2216	}
1506		2217
1507	sub save {	2218	sub save {
1508	my ($self) = @_;	2219	my ($self) = @_;
1509		2220
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2222
1512	$self->{last_save} = $cf::RUNTIME;	2223	$self->{last_save} = $cf::RUNTIME;
1513		2224
1514	return unless $self->dirty;	2225	return unless $self->dirty;
1515		2226
…		…
1521	return if $self->{deny_save};	2232	return if $self->{deny_save};
1522		2233
1523	local $self->{last_access} = $self->last_access;#d#	2234	local $self->{last_access} = $self->last_access;#d#
1524		2235
1525	cf::async {	2236	cf::async {
		2237	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2238	$_->contr->save for $self->players;
1527	};	2239	};
		2240
		2241	cf::get_slot 0.02;
1528		2242
1529	if ($uniq) {	2243	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2244	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2245	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2246	} else {
…		…
1538	my ($self) = @_;	2252	my ($self) = @_;
1539		2253
1540	# save first because save cedes	2254	# save first because save cedes
1541	$self->save;	2255	$self->save;
1542		2256
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2258
1545	return if $self->players;	2259	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2260	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2261	return if $self->{deny_save};
1548		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	$self->deactivate;
		2266	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2267	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2268	}
1552		2269
1553	sub reset_at {	2270	sub reset_at {
1554	my ($self) = @_;	2271	my ($self) = @_;
1555		2272
1556	# TODO: safety, remove and allow resettable per-player maps	2273	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2274	return 1e99 if $self->{deny_reset};
1559		2275
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2278
…		…
1573	my ($self) = @_;	2289	my ($self) = @_;
1574		2290
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2292
1577	return if $self->players;	2293	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2294
1580	warn "resetting map ", $self->path;#d#	2295	warn "resetting map ", $self->path;
		2296
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# need to save uniques path
		2300	unless ($self->{deny_save}) {
		2301	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2302
		2303	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2304	if $uniq;
		2305	}
1581		2306
1582	delete $cf::MAP{$self->path};	2307	delete $cf::MAP{$self->path};
1583		2308
1584	$self->in_memory (cf::MAP_SWAPPED);	2309	$self->deactivate;
		2310	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2311	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2312
1589	$self->unlink_save;	2313	$self->unlink_save;
1590	$self->destroy;	2314	$self->destroy;
1591	}	2315	}
1592		2316
1593	my $nuke_counter = "aaaa";	2317	my $nuke_counter = "aaaa";
1594		2318
1595	sub nuke {	2319	sub nuke {
1596	my ($self) = @_;	2320	my ($self) = @_;
1597		2321
		2322	{
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
1598	delete $cf::MAP{$self->path};	2325	delete $cf::MAP{$self->path};
1599		2326
1600	$self->unlink_save;	2327	$self->unlink_save;
1601		2328
1602	bless $self, "cf::map";	2329	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2330	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2331	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2332	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2334
1608	$cf::MAP{$self->path} = $self;	2335	$cf::MAP{$self->path} = $self;
		2336	}
1609		2337
1610	$self->reset; # polite request, might not happen	2338	$self->reset; # polite request, might not happen
		2339	}
		2340
		2341	=item $maps = cf::map::tmp_maps
		2342
		2343	Returns an arrayref with all map paths of currently instantiated and saved
		2344	maps. May block.
		2345
		2346	=cut
		2347
		2348	sub tmp_maps() {
		2349	[
		2350	map {
		2351	utf8::decode $_;
		2352	/\.map$/
		2353	? normalise $_
		2354	: ()
		2355	} @{ aio_readdir $TMPDIR or [] }
		2356	]
		2357	}
		2358
		2359	=item $maps = cf::map::random_maps
		2360
		2361	Returns an arrayref with all map paths of currently instantiated and saved
		2362	random maps. May block.
		2363
		2364	=cut
		2365
		2366	sub random_maps() {
		2367	[
		2368	map {
		2369	utf8::decode $_;
		2370	/\.map$/
		2371	? normalise "?random/$_"
		2372	: ()
		2373	} @{ aio_readdir $RANDOMDIR or [] }
		2374	]
1611	}	2375	}
1612		2376
1613	=item cf::map::unique_maps	2377	=item cf::map::unique_maps
1614		2378
1615	Returns an arrayref of paths of all shared maps that have	2379	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2380	instantiated unique items. May block.
1617		2381
1618	=cut	2382	=cut
1619		2383
1620	sub unique_maps() {	2384	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2385	[
1622	or return;	2386	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2387	utf8::decode $_;
1628	next if /\.pst$/;	2388	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2389	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2390	? ()
1631	s/\.map$//;	2391	: normalise $_
1632	push @paths, $_;	2392	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2393	]
1634
1635	\@paths
1636	}	2394	}
1637
1638	package cf;
1639		2395
1640	=back	2396	=back
1641		2397
1642	=head3 cf::object	2398	=head3 cf::object
1643		2399
…		…
1647		2403
1648	=over 4	2404	=over 4
1649		2405
1650	=item $ob->inv_recursive	2406	=item $ob->inv_recursive
1651		2407
1652	Returns the inventory of the object _and_ their inventories, recursively.	2408	Returns the inventory of the object I<and> their inventories, recursively,
		2409	but I<not> the object itself.
1653		2410
1654	=cut	2411	=cut
1655		2412
1656	sub inv_recursive_;	2413	sub inv_recursive_;
1657	sub inv_recursive_ {	2414	sub inv_recursive_ {
…		…
1660		2417
1661	sub inv_recursive {	2418	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2419	inv_recursive_ inv $_[0]
1663	}	2420	}
1664		2421
		2422	=item $ref = $ob->ref
		2423
		2424	Creates and returns a persistent reference to an object that can be stored as a string.
		2425
		2426	=item $ob = cf::object::deref ($refstring)
		2427
		2428	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2429	even if the object actually exists. May block.
		2430
		2431	=cut
		2432
		2433	sub deref {
		2434	my ($ref) = @_;
		2435
		2436	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2437	my ($uuid, $name) = ($1, $2);
		2438	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2439	or return;
		2440	$pl->ob->uuid eq $uuid
		2441	or return;
		2442
		2443	$pl->ob
		2444	} else {
		2445	warn "$ref: cannot resolve object reference\n";
		2446	undef
		2447	}
		2448	}
		2449
1665	package cf;	2450	package cf;
1666		2451
1667	=back	2452	=back
1668		2453
1669	=head3 cf::object::player	2454	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2460	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2461	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2462	dialogue with the given NPC character.
1678		2463
1679	=cut	2464	=cut
		2465
		2466	our $SAY_CHANNEL = {
		2467	id => "say",
		2468	title => "Map",
		2469	reply => "say ",
		2470	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2471	};
		2472
		2473	our $CHAT_CHANNEL = {
		2474	id => "chat",
		2475	title => "Chat",
		2476	reply => "chat ",
		2477	tooltip => "Player chat and shouts, global to the server.",
		2478	};
1680		2479
1681	# rough implementation of a future "reply" method that works	2480	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2481	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2482	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2483	sub cf::object::player::reply($$$;$) {
…		…
1686		2485
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2486	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2487
1689	if ($self->{record_replies}) {	2488	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2489	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2490
1691	} else {	2491	} else {
		2492	my $pl = $self->contr;
		2493
		2494	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2495	my $dialog = $pl->{npc_dialog};
		2496	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2497
		2498	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2499	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2500	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2501	}
1694	}	2502	}
		2503	}
		2504
		2505	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2506
		2507	=cut
		2508
		2509	sub cf::object::send_msg {
		2510	my $pl = shift->contr
		2511	or return;
		2512	$pl->send_msg (@_);
1695	}	2513	}
1696		2514
1697	=item $player_object->may ("access")	2515	=item $player_object->may ("access")
1698		2516
1699	Returns wether the given player is authorized to access resource "access"	2517	Returns wether the given player is authorized to access resource "access"
…		…
1731	=cut	2549	=cut
1732		2550
1733	sub link_map {	2551	sub link_map {
1734	unless ($LINK_MAP) {	2552	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2553	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2555	$LINK_MAP->load;
1738	}	2556	}
1739		2557
1740	$LINK_MAP	2558	$LINK_MAP
1741	}	2559	}
…		…
1746	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1747		2565
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2567
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1752		2570
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2572	}
1755		2573
1756	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1758		2578
1759	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1760		2580
1761	unless ($map) {	2581	unless ($map) {
1762	# restore original map position	2582	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2598	if $x <=0 && $y <= 0;
1779		2599
1780	$map->load;	2600	$map->load;
1781	$map->load_diag;	2601	$map->load_neighbours;
1782		2602
1783	return unless $self->contr->active;	2603	return unless $self->contr->active;
1784	$self->activate_recursive;	2604	$self->activate_recursive;
		2605
		2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2607	$self->enter_map ($map, $x, $y);
1786	}	2608	}
1787		2609
1788	cf::player->attach (	2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2611
1792	# abort map switching before logout	2612	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2613	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2614	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2615	the new (success) or old (failed) map position. In either case, $done will
1796	};	2616	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2617
1802	# try to abort aborted map switching on player login :)
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2618	=cut
		2619
		2620	our $GOTOGEN;
1823		2621
1824	sub cf::object::player::goto {	2622	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2623	my ($self, $path, $x, $y, $check, $done) = @_;
		2624
		2625	# do generation counting so two concurrent goto's will be executed in-order
		2626	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2627
1827	$self->enter_link;	2628	$self->enter_link;
1828		2629
1829	(async {	2630	(async {
1830	my $map = cf::map::find $path;	2631	$Coro::current->{desc} = "player::goto $path $x $y";
		2632
		2633	# *tag paths override both path and x|y
		2634	if ($path =~ /^\*(.*)$/) {
		2635	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2636	my $ob = $obs[rand @obs];
		2637
		2638	# see if we actually can go there
		2639	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2640	$ob = $obs[rand @obs];
		2641	} else {
		2642	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	}
		2644	# else put us there anyways for now #d#
		2645
		2646	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2647	} else {
		2648	($path, $x, $y) = (undef, undef, undef);
		2649	}
		2650	}
		2651
		2652	my $map = eval {
		2653	my $map = defined $path ? cf::map::find $path : undef;
		2654
		2655	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2656	$map = $map->customise_for ($self);
1832		2657	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2658	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2659	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2660	}
1837		2661
		2662	$map
		2663	};
		2664
		2665	if ($@) {
		2666	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	LOG llevError | logBacktrace, Carp::longmess $@;
		2668	}
		2669
		2670	if ($gen == $self->{_goto_generation}) {
		2671	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2672	$self->leave_link ($map, $x, $y);
		2673	}
		2674
		2675	$done->() if $done;
1839	})->prio (1);	2676	})->prio (1);
1840	}	2677	}
1841		2678
1842	=item $player_object->enter_exit ($exit_object)	2679	=item $player_object->enter_exit ($exit_object)
1843		2680
…		…
1863	}	2700	}
1864		2701
1865	sub prepare_random_map {	2702	sub prepare_random_map {
1866	my ($exit) = @_;	2703	my ($exit) = @_;
1867		2704
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2705	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2706	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2707	# that depends on the exit object
1873		2708
1874	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1875		2710
1876	if ($exit->map) {	2711	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
		2716
		2717	$exit->map->touch;
1881	}	2718	}
1882		2719
1883	$rmp->{random_seed} ||= $exit->random_seed;	2720	$rmp->{random_seed} ||= $exit->random_seed;
1884		2721
1885	my $data = cf::to_json $rmp;	2722	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2723	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2724	my $meta = "$RANDOMDIR/$md5.meta";
1888		2725
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2726	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2727	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2728	undef $fh;
1892	aio_rename "$meta~", $meta;	2729	aio_rename "$meta~", $meta;
1893		2730
		2731	my $slaying = "?random/$md5";
		2732
		2733	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2734	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2735	$exit->msg (undef);
		2736	}
1896	}	2737	}
1897	}	2738	}
1898		2739
1899	sub cf::object::player::enter_exit {	2740	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2741	my ($self, $exit) = @_;
1901		2742
1902	return unless $self->type == cf::PLAYER;	2743	return unless $self->type == cf::PLAYER;
1903		2744
1904	if ($exit->slaying eq "/!") {
1905	#TODO: this should de-fi-ni-te-ly not be a sync-job
1906	cf::sync_job { prepare_random_map $exit };
1907	}
1908
1909	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1910	my $hp = $exit->stats->hp;
1911	my $sp = $exit->stats->sp;
1912
1913	$self->enter_link;	2745	$self->enter_link;
1914		2746
1915	(async {	2747	(async {
1916	$self->deactivate_recursive; # just to be sure	2748	$Coro::current->{desc} = "enter_exit";
		2749
1917	unless (eval {	2750	unless (eval {
		2751	$self->deactivate_recursive; # just to be sure
		2752
		2753	# random map handling
		2754	{
		2755	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2756
		2757	prepare_random_map $exit
		2758	if $exit->slaying eq "/!";
		2759	}
		2760
		2761	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2762	my $x = $exit->stats->hp;
		2763	my $y = $exit->stats->sp;
		2764
1918	$self->goto ($slaying, $hp, $sp);	2765	$self->goto ($map, $x, $y);
1919		2766
		2767	# if exit is damned, update players death & WoR home-position
		2768	$self->contr->savebed ($map, $x, $y)
		2769	if $exit->flag (cf::FLAG_DAMNED);
		2770
1920	1;	2771	1
1921	}) {	2772	}) {
1922	$self->message ("Something went wrong deep within the crossfire server. "	2773	$self->message ("Something went wrong deep within the crossfire server. "
1923	. "I'll try to bring you back to the map you were before. "	2774	. "I'll try to bring you back to the map you were before. "
1924	. "Please report this to the dungeon master!",	2775	. "Please report this to the dungeon master!",
1925	cf::NDI_UNIQUE | cf::NDI_RED);	2776	cf::NDI_UNIQUE | cf::NDI_RED);
1926		2777
1927	warn "ERROR in enter_exit: $@";	2778	warn "ERROR in enter_exit: $@";
1928	$self->leave_link;	2779	$self->leave_link;
1929	}	2780	}
1930	})->prio (1);	2781	})->prio (1);
…		…
1943		2794
1944	sub cf::client::send_drawinfo {	2795	sub cf::client::send_drawinfo {
1945	my ($self, $text, $flags) = @_;	2796	my ($self, $text, $flags) = @_;
1946		2797
1947	utf8::encode $text;	2798	utf8::encode $text;
1948	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1949	}	2800	}
1950		2801
		2802	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2803
		2804	Send a drawinfo or msg packet to the client, formatting the msg for the
		2805	client if neccessary. C<$type> should be a string identifying the type of
		2806	the message, with C<log> being the default. If C<$color> is negative, suppress
		2807	the message unless the client supports the msg packet.
		2808
		2809	=cut
		2810
		2811	# non-persistent channels (usually the info channel)
		2812	our %CHANNEL = (
		2813	"c/identify" => {
		2814	id => "infobox",
		2815	title => "Identify",
		2816	reply => undef,
		2817	tooltip => "Items recently identified",
		2818	},
		2819	"c/examine" => {
		2820	id => "infobox",
		2821	title => "Examine",
		2822	reply => undef,
		2823	tooltip => "Signs and other items you examined",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/uptime" => {
		2850	id => "infobox",
		2851	title => "Uptime",
		2852	reply => undef,
		2853	tooltip => "How long the server has been running since last restart",
		2854	},
		2855	"c/mapinfo" => {
		2856	id => "infobox",
		2857	title => "Map Info",
		2858	reply => undef,
		2859	tooltip => "Information related to the maps",
		2860	},
		2861	"c/party" => {
		2862	id => "party",
		2863	title => "Party",
		2864	reply => "gsay ",
		2865	tooltip => "Messages and chat related to your party",
		2866	},
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg);
		2873
		2874	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2875
		2876	# check predefined channels, for the benefit of C
		2877	if ($CHANNEL{$channel}) {
		2878	$channel = $CHANNEL{$channel};
		2879
		2880	$self->ext_msg (channel_info => $channel)
		2881	if $self->can_msg;
		2882
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891	}
		2892
		2893	$channel = $channel->{id};
		2894	}
		2895
		2896	return unless @extra || length $msg;
		2897
		2898	if ($self->can_msg) {
		2899	# default colour, mask it out
		2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2901	if $color & cf::NDI_DEF;
		2902
		2903	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2905	} else {
		2906	if ($color >= 0) {
		2907	# replace some tags by gcfclient-compatible ones
		2908	for ($msg) {
		2909	1 while
		2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2915	}
		2916
		2917	$color &= cf::NDI_COLOR_MASK;
		2918
		2919	utf8::encode $msg;
		2920
		2921	if (0 && $msg =~ /\[/) {
		2922	# COMMAND/INFO
		2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2924	} else {
		2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2926	$self->send_packet ("drawinfo $color $msg")
		2927	}
		2928	}
		2929	}
		2930	}
		2931
		2932	=item $client->ext_msg ($type, @msg)
		2933
		2934	Sends an ext event to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_msg($$@) {
		2939	my ($self, $type, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2943	} elsif ($self->extcmd == 1) { # TODO: remove
		2944	push @msg, msgtype => "event_$type";
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2946	}
		2947	}
		2948
		2949	=item $client->ext_reply ($msgid, @msg)
		2950
		2951	Sends an ext reply to the client.
		2952
		2953	=cut
		2954
		2955	sub cf::client::ext_reply($$@) {
		2956	my ($self, $id, @msg) = @_;
		2957
		2958	if ($self->extcmd == 2) {
		2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2960	} elsif ($self->extcmd == 1) {
		2961	#TODO: version 1, remove
		2962	unshift @msg, msgtype => "reply", msgid => $id;
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2964	}
		2965	}
1951		2966
1952	=item $success = $client->query ($flags, "text", \&cb)	2967	=item $success = $client->query ($flags, "text", \&cb)
1953		2968
1954	Queues a query to the client, calling the given callback with	2969	Queues a query to the client, calling the given callback with
1955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2970	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2971	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1957		2972
1958	Queries can fail, so check the return code. Or don't, as queries will become	2973	Queries can fail, so check the return code. Or don't, as queries will
1959	reliable at some point in the future.	2974	become reliable at some point in the future.
1960		2975
1961	=cut	2976	=cut
1962		2977
1963	sub cf::client::query {	2978	sub cf::client::query {
1964	my ($self, $flags, $text, $cb) = @_;	2979	my ($self, $flags, $text, $cb) = @_;
…		…
1972	utf8::encode $text;	2987	utf8::encode $text;
1973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2988	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1974		2989
1975	$self->send_packet ($self->{query_queue}[0][0])	2990	$self->send_packet ($self->{query_queue}[0][0])
1976	if @{ $self->{query_queue} } == 1;	2991	if @{ $self->{query_queue} } == 1;
		2992
		2993	1
1977	}	2994	}
1978		2995
1979	cf::client->attach (	2996	cf::client->attach (
		2997	on_connect => sub {
		2998	my ($ns) = @_;
		2999
		3000	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3001	},
1980	on_reply => sub {	3002	on_reply => sub {
1981	my ($ns, $msg) = @_;	3003	my ($ns, $msg) = @_;
1982		3004
1983	# this weird shuffling is so that direct followup queries	3005	# this weird shuffling is so that direct followup queries
1984	# get handled first	3006	# get handled first
1985	my $queue = delete $ns->{query_queue}	3007	my $queue = delete $ns->{query_queue}
1986	or return; # be conservative, not sure how that can happen, but we saw a crash here	3008	or return; # be conservative, not sure how that can happen, but we saw a crash here
1987		3009
1988	(shift @$queue)->[1]->($msg);	3010	(shift @$queue)->[1]->($msg);
		3011	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1989		3012
1990	push @{ $ns->{query_queue} }, @$queue;	3013	push @{ $ns->{query_queue} }, @$queue;
1991		3014
1992	if (@{ $ns->{query_queue} } == @$queue) {	3015	if (@{ $ns->{query_queue} } == @$queue) {
1993	if (@$queue) {	3016	if (@$queue) {
…		…
1995	} else {	3018	} else {
1996	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3019	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1997	}	3020	}
1998	}	3021	}
1999	},	3022	},
		3023	on_exticmd => sub {
		3024	my ($ns, $buf) = @_;
		3025
		3026	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3027
		3028	if (ref $msg) {
		3029	my ($type, $reply, @payload) =
		3030	"ARRAY" eq ref $msg
		3031	? @$msg
		3032	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3033
		3034	my @reply;
		3035
		3036	if (my $cb = $EXTICMD{$type}) {
		3037	@reply = $cb->($ns, @payload);
		3038	}
		3039
		3040	$ns->ext_reply ($reply, @reply)
		3041	if $reply;
		3042
		3043	} else {
		3044	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3045	}
		3046
		3047	cf::override;
		3048	},
2000	);	3049	);
2001		3050
2002	=item $client->async (\&cb)	3051	=item $client->async (\&cb)
2003		3052
2004	Create a new coroutine, running the specified callback. The coroutine will	3053	Create a new coroutine, running the specified callback. The coroutine will
…		…
2045	our $safe = new Safe "safe";	3094	our $safe = new Safe "safe";
2046	our $safe_hole = new Safe::Hole;	3095	our $safe_hole = new Safe::Hole;
2047		3096
2048	$SIG{FPE} = 'IGNORE';	3097	$SIG{FPE} = 'IGNORE';
2049		3098
2050	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3099	$safe->permit_only (Opcode::opset qw(
		3100	:base_core :base_mem :base_orig :base_math
		3101	grepstart grepwhile mapstart mapwhile
		3102	sort time
		3103	));
2051		3104
2052	# here we export the classes and methods available to script code	3105	# here we export the classes and methods available to script code
2053		3106
2054	=pod	3107	=pod
2055		3108
2056	The following fucntions and emthods are available within a safe environment:	3109	The following functions and methods are available within a safe environment:
2057		3110
2058	cf::object contr pay_amount pay_player map	3111	cf::object
		3112	contr pay_amount pay_player map x y force_find force_add destroy
		3113	insert remove name archname title slaying race decrease split
		3114
2059	cf::object::player player	3115	cf::object::player
2060	cf::player peaceful	3116	player
2061	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2062		3123
2063	=cut	3124	=cut
2064		3125
2065	for (	3126	for (
2066	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy)],
2067	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2068	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful)],
2069	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2070	) {	3133	) {
2071	no strict 'refs';	3134	no strict 'refs';
…		…
2142	=back	3205	=back
2143		3206
2144	=cut	3207	=cut
2145		3208
2146	#############################################################################	3209	#############################################################################
		3210	# the server's init and main functions
2147		3211
2148	=head2 EXTENSION DATABASE SUPPORT	3212	sub load_facedata($) {
		3213	my ($path) = @_;
2149		3214
2150	Crossfire maintains a very simple database for extension use. It can	3215	# HACK to clear player env face cache, we need some signal framework
2151	currently store anything that can be serialised using Storable, which	3216	# for this (global event?)
2152	excludes objects.	3217	%ext::player_env::MUSIC_FACE_CACHE = ();
2153		3218
2154	The parameter C<$family> should best start with the name of the extension	3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2155	using it, it should be unique.
2156		3220
2157	=over 4	3221	warn "loading facedata from $path\n";
2158		3222
2159	=item $hashref = cf::db_get $family	3223	my $facedata;
		3224	0 < aio_load $path, $facedata
		3225	or die "$path: $!";
2160		3226
2161	Return a hashref for use by the extension C<$family>, which can be	3227	$facedata = Coro::Storable::thaw $facedata;
2162	modified. After modifications, you have to call C<cf::db_dirty> or
2163	C<cf::db_sync>.
2164		3228
2165	=item $value = cf::db_get $family => $key	3229	$facedata->{version} == 2
		3230	or cf::cleanup "$path: version mismatch, cannot proceed.";
2166		3231
2167	Returns a single value from the database	3232	# patch in the exptable
2168		3233	$facedata->{resource}{"res/exp_table"} = {
2169	=item cf::db_put $family => $hashref	3234	type => FT_RSRC,
2170		3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2171	Stores the given family hashref into the database. Updates are delayed, if
2172	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_put $family => $key => $value
2175
2176	Stores the given C<$value> in the family hash. Updates are delayed, if you
2177	want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_dirty
2180
2181	Marks the database as dirty, to be updated at a later time.
2182
2183	=item cf::db_sync
2184
2185	Immediately write the database to disk I<if it is dirty>.
2186
2187	=cut
2188
2189	our $DB;
2190
2191	{
2192	my $path = cf::localdir . "/database.pst";
2193
2194	sub db_load() {
2195	$DB = stat $path ? Storable::retrieve $path : { };
2196	}	3236	};
		3237	cf::cede_to_tick;
2197		3238
2198	my $pid;
2199
2200	sub db_save() {
2201	waitpid $pid, 0 if $pid;
2202	if (0 == ($pid = fork)) {
2203	$DB->{_meta}{version} = 1;
2204	Storable::nstore $DB, "$path~";
2205	rename "$path~", $path;
2206	cf::_exit 0 if defined $pid;
2207	}
2208	}	3239	{
		3240	my $faces = $facedata->{faceinfo};
2209		3241
2210	my $dirty;	3242	while (my ($face, $info) = each %$faces) {
		3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2211		3244
2212	sub db_sync() {	3245	cf::face::set_visibility $idx, $info->{visibility};
2213	db_save if $dirty;	3246	cf::face::set_magicmap $idx, $info->{magicmap};
2214	undef $dirty;	3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2215	}	3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2216		3249
2217	my $idle = Event->idle (	3250	cf::cede_to_tick;
2218	reentrant => 0,
2219	min => 10,
2220	max => 20,
2221	repeat => 0,
2222	data => WF_AUTOCANCEL,
2223	cb => \&db_sync,
2224	);
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3251	}
2251	);
2252	}
2253		3252
2254	#############################################################################	3253	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3254	next unless $info->{smooth};
2256		3255
2257	sub cfg_load {	3256	my $idx = cf::face::find $face
		3257	or next;
		3258
		3259	if (my $smooth = cf::face::find $info->{smooth}) {
		3260	cf::face::set_smooth $idx, $smooth;
		3261	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3262	} else {
		3263	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	{
		3271	my $anims = $facedata->{animinfo};
		3272
		3273	while (my ($anim, $info) = each %$anims) {
		3274	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3275	cf::cede_to_tick;
		3276	}
		3277
		3278	cf::anim::invalidate_all; # d'oh
		3279	}
		3280
		3281	{
		3282	# TODO: for gcfclient pleasure, we should give resources
		3283	# that gcfclient doesn't grok a >10000 face index.
		3284	my $res = $facedata->{resource};
		3285
		3286	while (my ($name, $info) = each %$res) {
		3287	if (defined $info->{type}) {
		3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3289	my $data;
		3290
		3291	if ($info->{type} & 1) {
		3292	# prepend meta info
		3293
		3294	my $meta = $enc->encode ({
		3295	name => $name,
		3296	%{ $info->{meta} || {} },
		3297	});
		3298
		3299	$data = pack "(w/a*)*", $meta, $info->{data};
		3300	} else {
		3301	$data = $info->{data};
		3302	}
		3303
		3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3305	cf::face::set_type $idx, $info->{type};
		3306	} else {
		3307	$RESOURCE{$name} = $info;
		3308	}
		3309
		3310	cf::cede_to_tick;
		3311	}
		3312	}
		3313
		3314	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3315
		3316	1
		3317	}
		3318
		3319	cf::global->attach (on_resource_update => sub {
		3320	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3321	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3322
		3323	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3324	my $sound = $soundconf->{compat}[$_]
		3325	or next;
		3326
		3327	my $face = cf::face::find "sound/$sound->[1]";
		3328	cf::sound::set $sound->[0] => $face;
		3329	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3330	}
		3331
		3332	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3333	my $face = cf::face::find "sound/$v";
		3334	cf::sound::set $k => $face;
		3335	}
		3336	}
		3337	});
		3338
		3339	register_exticmd fx_want => sub {
		3340	my ($ns, $want) = @_;
		3341
		3342	while (my ($k, $v) = each %$want) {
		3343	$ns->fx_want ($k, $v);
		3344	}
		3345	};
		3346
		3347	sub load_resource_file($) {
		3348	my $guard = lock_acquire "load_resource_file";
		3349
		3350	my $status = load_resource_file_ $_[0];
		3351	get_slot 0.1, 100;
		3352	cf::arch::commit_load;
		3353
		3354	$status
		3355	}
		3356
		3357	sub reload_regions {
		3358	# HACK to clear player env face cache, we need some signal framework
		3359	# for this (global event?)
		3360	%ext::player_env::MUSIC_FACE_CACHE = ();
		3361
		3362	load_resource_file "$MAPDIR/regions"
		3363	or die "unable to load regions file\n";
		3364
		3365	for (cf::region::list) {
		3366	$_->{match} = qr/$_->{match}/
		3367	if exists $_->{match};
		3368	}
		3369	}
		3370
		3371	sub reload_facedata {
		3372	load_facedata "$DATADIR/facedata"
		3373	or die "unable to load facedata\n";
		3374	}
		3375
		3376	sub reload_archetypes {
		3377	load_resource_file "$DATADIR/archetypes"
		3378	or die "unable to load archetypes\n";
		3379	}
		3380
		3381	sub reload_treasures {
		3382	load_resource_file "$DATADIR/treasures"
		3383	or die "unable to load treasurelists\n";
		3384	}
		3385
		3386	sub reload_resources {
		3387	warn "reloading resource files...\n";
		3388
		3389	reload_facedata;
		3390	reload_archetypes;
		3391	reload_regions;
		3392	reload_treasures;
		3393
		3394	warn "finished reloading resource files\n";
		3395	}
		3396
		3397	sub init {
		3398	my $guard = freeze_mainloop;
		3399
		3400	reload_resources;
		3401	}
		3402
		3403	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3404	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3405	or return;
2260		3406
2261	local $/;	3407	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3408	*CFG = YAML::Load <$fh>;
2263		3409
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3411
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3412	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3413	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2278	sub main {	3424	sub main {
2279	# we must not ever block the main coroutine	3425	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3426	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	(async {	3428	(async {
2283	Event::one_event;	3429	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3430	EV::loop EV::LOOP_ONESHOT;
2284	})->prio (Coro::PRIO_MAX);	3431	})->prio (Coro::PRIO_MAX);
2285	};	3432	};
2286		3433
2287	cfg_load;	3434	{
2288	db_load;	3435	my $guard = freeze_mainloop;
		3436	reload_config;
		3437	db_init;
2289	load_extensions;	3438	load_extensions;
2290		3439
2291	$TICK_WATCHER->start;	3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3441	evthread_start IO::AIO::poll_fileno;
		3442	}
		3443
2292	Event::loop;	3444	EV::loop;
2293	}	3445	}
2294		3446
2295	#############################################################################	3447	#############################################################################
2296	# initialisation and cleanup	3448	# initialisation and cleanup
2297		3449
2298	# install some emergency cleanup handlers	3450	# install some emergency cleanup handlers
2299	BEGIN {	3451	BEGIN {
		3452	our %SIGWATCHER = ();
2300	for my $signal (qw(INT HUP TERM)) {	3453	for my $signal (qw(INT HUP TERM)) {
2301	Event->signal (	3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2302	reentrant => 0,
2303	data => WF_AUTOCANCEL,
2304	signal => $signal,
2305	prio => 0,
2306	cb => sub {
2307	cf::cleanup "SIG$signal";	3455	cf::cleanup "SIG$signal";
2308	},
2309	);	3456	};
		3457	}
		3458	}
		3459
		3460	sub write_runtime_sync {
		3461	my $runtime = "$LOCALDIR/runtime";
		3462
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $runtime, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$runtime~", $runtime
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2310	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2311	}	3539	}
2312		3540
2313	sub emergency_save() {	3541	sub emergency_save() {
2314	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2315		3543
…		…
2321	# and maps saved/destroyed asynchronously.	3549	# and maps saved/destroyed asynchronously.
2322	warn "begin emergency player save\n";	3550	warn "begin emergency player save\n";
2323	for my $login (keys %cf::PLAYER) {	3551	for my $login (keys %cf::PLAYER) {
2324	my $pl = $cf::PLAYER{$login} or next;	3552	my $pl = $cf::PLAYER{$login} or next;
2325	$pl->valid or next;	3553	$pl->valid or next;
		3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2326	$pl->save;	3555	$pl->save;
2327	}	3556	}
2328	warn "end emergency player save\n";	3557	warn "end emergency player save\n";
2329		3558
2330	warn "begin emergency map save\n";	3559	warn "begin emergency map save\n";
…		…
2332	my $map = $cf::MAP{$path} or next;	3561	my $map = $cf::MAP{$path} or next;
2333	$map->valid or next;	3562	$map->valid or next;
2334	$map->save;	3563	$map->save;
2335	}	3564	}
2336	warn "end emergency map save\n";	3565	warn "end emergency map save\n";
		3566
		3567	warn "begin emergency database checkpoint\n";
		3568	BDB::db_env_txn_checkpoint $DB_ENV;
		3569	warn "end emergency database checkpoint\n";
		3570
		3571	warn "begin write uuid\n";
		3572	write_uuid_sync 1;
		3573	warn "end write uuid\n";
2337	};	3574	};
2338		3575
2339	warn "leave emergency perl save\n";	3576	warn "leave emergency perl save\n";
2340	}	3577	}
2341		3578
		3579	sub post_cleanup {
		3580	my ($make_core) = @_;
		3581
		3582	warn Carp::longmess "post_cleanup backtrace"
		3583	if $make_core;
		3584	}
		3585
2342	sub reload() {	3586	sub do_reload_perl() {
2343	# can/must only be called in main	3587	# can/must only be called in main
2344	if ($Coro::current != $Coro::main) {	3588	if ($Coro::current != $Coro::main) {
2345	warn "can only reload from main coroutine";	3589	warn "can only reload from main coroutine";
2346	return;	3590	return;
2347	}	3591	}
2348		3592
2349	warn "reloading...";	3593	warn "reloading...";
2350		3594
2351	warn "cancelling server ticker";	3595	warn "entering sync_job";
2352	$TICK_WATCHER->cancel;
2353		3596
		3597	cf::sync_job {
		3598	cf::write_runtime_sync; # external watchdog should not bark
2354	cf::emergency_save;	3599	cf::emergency_save;
		3600	cf::write_runtime_sync; # external watchdog should not bark
2355		3601
2356	eval {	3602	warn "syncing database to disk";
		3603	BDB::db_env_txn_checkpoint $DB_ENV;
		3604
2357	# if anything goes wrong in here, we should simply crash as we already saved	3605	# if anything goes wrong in here, we should simply crash as we already saved
2358
2359	warn "syncing database to disk";
2360	cf::db_sync;
2361
2362	warn "cancelling all WF_AUTOCANCEL watchers";
2363	for (Event::all_watchers) {
2364	$_->cancel if $_->data & WF_AUTOCANCEL;
2365	}
2366		3606
2367	warn "flushing outstanding aio requests";	3607	warn "flushing outstanding aio requests";
2368	for (;;) {	3608	for (;;) {
		3609	BDB::flush;
2369	IO::AIO::flush;	3610	IO::AIO::flush;
2370	Coro::cede;	3611	Coro::cede_notself;
2371	last unless IO::AIO::nreqs;	3612	last unless IO::AIO::nreqs || BDB::nreqs;
2372	warn "iterate...";	3613	warn "iterate...";
2373	}	3614	}
		3615
		3616	++$RELOAD;
2374		3617
2375	warn "cancelling all extension coros";	3618	warn "cancelling all extension coros";
2376	$_->cancel for values %EXT_CORO;	3619	$_->cancel for values %EXT_CORO;
2377	%EXT_CORO = ();	3620	%EXT_CORO = ();
2378		3621
2379	warn "removing commands";	3622	warn "removing commands";
2380	%COMMAND = ();	3623	%COMMAND = ();
2381		3624
2382	warn "removing ext commands";	3625	warn "removing ext/exti commands";
2383	%EXTCMD = ();	3626	%EXTCMD = ();
		3627	%EXTICMD = ();
2384		3628
2385	warn "unloading/nuking all extensions";	3629	warn "unloading/nuking all extensions";
2386	for my $pkg (@EXTS) {	3630	for my $pkg (@EXTS) {
2387	warn "... unloading $pkg";	3631	warn "... unloading $pkg";
2388		3632
…		…
2418	Symbol::delete_package "safe::$_"	3662	Symbol::delete_package "safe::$_"
2419	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2420		3664
2421	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2422	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2423		3668
2424	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2425	# and global variables created in xs	3670	# and global variables created in xs
2426	#Symbol::delete_package __PACKAGE__;	3671	#Symbol::delete_package __PACKAGE__;
2427		3672
…		…
2430	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2431	require cf;	3676	require cf;
2432	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2433		3678
2434	warn "loading config and database again";	3679	warn "loading config and database again";
2435	cf::cfg_load;	3680	cf::reload_config;
2436	cf::db_load;
2437		3681
2438	warn "loading extensions";	3682	warn "loading extensions";
2439	cf::load_extensions;	3683	cf::load_extensions;
2440		3684
2441	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2442	_global_reattach;	3686	_global_reattach; # objects, sockets
2443	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2444	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
		3689	warn "reattaching attachments to players";
		3690	reattach $_ for values %PLAYER;
2445		3691
2446	warn "restarting server ticker";	3692	warn "leaving sync_job";
2447		3693
2448	$TICK_WATCHER->start;	3694	1
		3695	} or do {
		3696	warn $@;
		3697	cf::cleanup "error while reloading, exiting.";
2449	};	3698	};
2450
2451	if ($@) {
2452	warn $@;
2453	warn "error while reloading, exiting.";
2454	exit 1;
2455	}
2456		3699
2457	warn "reloaded";	3700	warn "reloaded";
2458	};	3701	};
2459		3702
2460	our $RELOAD_WATCHER; # used only during reload	3703	our $RELOAD_WATCHER; # used only during reload
2461		3704
		3705	sub reload_perl() {
		3706	# doing reload synchronously and two reloads happen back-to-back,
		3707	# coro crashes during coro_state_free->destroy here.
		3708
		3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3710	do_reload_perl;
		3711	undef $RELOAD_WATCHER;
		3712	};
		3713	}
		3714
2462	register_command "reload" => sub {	3715	register_command "reload" => sub {
2463	my ($who, $arg) = @_;	3716	my ($who, $arg) = @_;
2464		3717
2465	if ($who->flag (FLAG_WIZ)) {	3718	if ($who->flag (FLAG_WIZ)) {
2466	$who->message ("reloading server.");	3719	$who->message ("reloading server.");
2467		3720	async {
2468	# doing reload synchronously and two reloads happen back-to-back,	3721	$Coro::current->{desc} = "perl_reload";
2469	# coro crashes during coro_state_free->destroy here.
2470
2471	$RELOAD_WATCHER ||= Event->timer (
2472	reentrant => 0,
2473	after => 0,
2474	data => WF_AUTOCANCEL,
2475	cb => sub {
2476	reload;	3722	reload_perl;
2477	undef $RELOAD_WATCHER;
2478	},
2479	);	3723	};
2480	}	3724	}
2481	};	3725	};
2482		3726
2483	unshift @INC, $LIBDIR;	3727	unshift @INC, $LIBDIR;
2484		3728
2485	my $bug_warning = 0;	3729	my $bug_warning = 0;
2486		3730
2487	$TICK_WATCHER = Event->timer (	3731	our @WAIT_FOR_TICK;
2488	reentrant => 0,	3732	our @WAIT_FOR_TICK_BEGIN;
2489	parked => 1,	3733
2490	prio => 0,	3734	sub wait_for_tick {
2491	at => $NEXT_TICK || $TICK,	3735	return if tick_inhibit || $Coro::current == $Coro::main;
2492	data => WF_AUTOCANCEL,	3736
2493	cb => sub {	3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub wait_for_tick_begin {
		3743	return if tick_inhibit || $Coro::current == $Coro::main;
		3744
		3745	my $signal = new Coro::Signal;
		3746	push @WAIT_FOR_TICK_BEGIN, $signal;
		3747	$signal->wait;
		3748	}
		3749
		3750	sub tick {
2494	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3752	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2496	unless ++$bug_warning > 10;	3753	unless ++$bug_warning > 10;
2497	return;	3754	return;
2498	}	3755	}
2499		3756
2500	$NOW = Event::time;
2501
2502	cf::server_tick; # one server iteration	3757	cf::server_tick; # one server iteration
2503	$RUNTIME += $TICK;
2504	$NEXT_TICK += $TICK;
2505		3758
2506	$WAIT_FOR_TICK->broadcast;	3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2507	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2508		3761	Coro::async_pool {
2509	Event::sweep;	3762	$Coro::current->{desc} = "runtime saver";
2510	Coro::cede_notself;
2511
2512	# my $AFTER = Event::time;
2513	# warn $AFTER - $NOW;#d#
2514
2515	# if we are delayed by four ticks or more, skip them all
2516	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2517
2518	$TICK_WATCHER->at ($NEXT_TICK);
2519	$TICK_WATCHER->start;
2520	},
2521	);
2522
2523	IO::AIO::max_poll_time $TICK * 0.1;
2524
2525	undef $Coro::AIO::WATCHER;
2526	$AIO_POLL_WATCHER = Event->io (
2527	reentrant => 0,
2528	fd => IO::AIO::poll_fileno,
2529	poll => 'r',
2530	prio => 6,
2531	data => WF_AUTOCANCEL,
2532	cb => \&IO::AIO::poll_cb,
2533	);
2534
2535	$WRITE_RUNTIME_WATCHER = Event->timer (
2536	reentrant => 0,
2537	data => WF_AUTOCANCEL,
2538	after => 1,
2539	interval => 10,
2540	prio => 6, # keep it lowest so it acts like a watchdog
2541	cb => Coro::unblock_sub {
2542	write_runtime	3763	write_runtime_sync
2543	or warn "ERROR: unable to write runtime file: $!";	3764	or warn "ERROR: unable to write runtime file: $!";
		3765	};
2544	},	3766	}
2545	);	3767
		3768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3769	$sig->send;
		3770	}
		3771	while (my $sig = shift @WAIT_FOR_TICK) {
		3772	$sig->send;
		3773	}
		3774
		3775	$LOAD = ($NOW - $TICK_START) / $TICK;
		3776	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3777
		3778	if (0) {
		3779	if ($NEXT_TICK) {
		3780	my $jitter = $TICK_START - $NEXT_TICK;
		3781	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3782	warn "jitter $JITTER\n";#d#
		3783	}
		3784	}
		3785	}
		3786
		3787	{
		3788	# configure BDB
		3789
		3790	BDB::min_parallel 8;
		3791	BDB::max_poll_reqs $TICK * 0.1;
		3792	$Coro::BDB::WATCHER->priority (1);
		3793
		3794	unless ($DB_ENV) {
		3795	$DB_ENV = BDB::db_env_create;
		3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3797	| BDB::LOG_AUTOREMOVE, 1);
		3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3800
		3801	cf::sync_job {
		3802	eval {
		3803	BDB::db_env_open
		3804	$DB_ENV,
		3805	$BDBDIR,
		3806	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3807	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3808	0666;
		3809
		3810	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3811	};
		3812
		3813	cf::cleanup "db_env_open(db): $@" if $@;
		3814	};
		3815	}
		3816
		3817	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3818	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3819	};
		3820	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3821	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3822	};
		3823	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3824	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3825	};
		3826	}
		3827
		3828	{
		3829	# configure IO::AIO
		3830
		3831	IO::AIO::min_parallel 8;
		3832	IO::AIO::max_poll_time $TICK * 0.1;
		3833	$Coro::AIO::WATCHER->priority (1);
		3834	}
		3835
		3836	my $_log_backtrace;
		3837
		3838	sub _log_backtrace {
		3839	my ($msg, @addr) = @_;
		3840
		3841	$msg =~ s/\n//;
		3842
		3843	# limit the # of concurrent backtraces
		3844	if ($_log_backtrace < 2) {
		3845	++$_log_backtrace;
		3846	async {
		3847	$Coro::current->{desc} = "abt $msg";
		3848
		3849	my @bt = fork_call {
		3850	@addr = map { sprintf "%x", $_ } @addr;
		3851	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3852	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3853	or die "addr2line: $!";
		3854
		3855	my @funcs;
		3856	my @res = <$fh>;
		3857	chomp for @res;
		3858	while (@res) {
		3859	my ($func, $line) = splice @res, 0, 2, ();
		3860	push @funcs, "[$func] $line";
		3861	}
		3862
		3863	@funcs
		3864	};
		3865
		3866	LOG llevInfo, "[ABT] $msg\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2546		3878
2547	END { cf::emergency_save }	3879	END { cf::emergency_save }
2548		3880
2549	1	3881	1
2550		3882

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