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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
		101
		102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	104	our $NEXT_TICK;
52	our $NOW;	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
		109	our $BDB_TRICKLE_WATCHER;
		110	our $DB_ENV;
53		111
54	our %CFG;	112	our %CFG;
55		113
56	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
58		117
59	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	120	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		121
67	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
70	binmode STDOUT;	130	binmode STDOUT;
71	binmode STDERR;	131	binmode STDERR;
72		132
73	# read virtual server time, if available	133	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
78	}	138	}
79		139
80	mkdir cf::localdir;	140	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		142
86	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
87		144
88	sub cf::map::normalise;	145	sub cf::map::normalise;
89		146
…		…
100	=item $cf::RUNTIME	157	=item $cf::RUNTIME
101		158
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	159	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	160	every server tick.
104		161
105	=item $cf::LIBDIR	162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		165
107	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		168	unique-items directory, player file directory, random maps directory and
		169	database environment.
109		170
110	=item $cf::NOW	171	=item $cf::NOW
111		172
112	The time of the last (current) server tick.	173	The time of the last (current) server tick.
113		174
114	=item $cf::TICK	175	=item $cf::TICK
115		176
116	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
117		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
118	=item %cf::CFG	189	=item %cf::CFG
119		190
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	192	from wherever your confdir points to.
122		193
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		195
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	197	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
129		205
130	=back	206	=back
131		207
132	=cut	208	=cut
133		209
134	BEGIN {	210	BEGIN {
135	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	212	my $msg = join "", @_;
137	utf8::encode $msg;
138		213
139	$msg .= "\n"	214	$msg .= "\n"
140	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
141		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
142	LOG llevError, $msg;	219	LOG llevError, $msg;
143	};	220	};
144	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
145		237
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		245
153	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	247	# within the Safe compartment.
155	for my $pkg (qw(	248	for my $pkg (qw(
156	cf::global cf::attachable	249	cf::global cf::attachable
157	cf::object cf::object::player	250	cf::object cf::object::player
158	cf::client cf::player	251	cf::client cf::player
159	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
160	cf::map cf::party cf::region	254	cf::party cf::region
161	)) {	255	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	257	}
165		258
166	$Event::DIED = sub {	259	$EV::DIED = sub {
167	warn "error in event callback: @_";	260	warn "error in event callback: @_";
168	};	261	};
		262
		263	#############################################################################
169		264
170	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
171		266
172	=over 4	267	=over 4
173		268
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	288	$d
194	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
195	}	290	}
196		291
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
200		293
201	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
202		295
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
211		297
212	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
213		299
214	=cut	300	=cut
215		301
216	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
218	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
220		306
221	=item cf::lock_wait $string	307	=item cf::lock_wait $string
222		308
223	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
224		310
…		…
227	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
230	returned.	316	returned.
231		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
232	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
234		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
235	=cut	328	=cut
236		329
237	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
238		332
239	sub lock_wait($) {	333	sub lock_wait($) {
240	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
241		340
242	# wait for lock, if any	341	# wait for lock, if any
243	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	344	Coro::schedule;
…		…
251		350
252	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
253	lock_wait $key;	352	lock_wait $key;
254		353
255	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
256		356
257	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
260	}	361	}
261	}	362	}
262		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
263	sub freeze_mainloop {	370	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
265		372
266	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	374	}
268	$WRITE_RUNTIME_WATCHER->start;	375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
269	};	434	}
270	$WRITE_RUNTIME_WATCHER->stop;	435	};
271	$TICK_WATCHER->stop;	436
272	$guard	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
273	}	449	}
274		450
275	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
276		452
277	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		458
283	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
284		460
285	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
286		462
287	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
290		467
291	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
294	fast or be very important.	471	fast or be very important.
…		…
297		474
298	sub sync_job(&) {	475	sub sync_job(&) {
299	my ($job) = @_;	476	my ($job) = @_;
300		477
301	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
302	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
304		483
305	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	485
307	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
308		487
309	my $busy = 1;	488	my $busy = 1;
310	my @res;	489	my @res;
311		490
312	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	493	@res = eval { $job->() };
314	warn $@ if $@;	494	warn $@ if $@;
315	undef $busy;	495	undef $busy;
316	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
317		497
318	while ($busy) {	498	while ($busy) {
319	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
320	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
321		509
322	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
323	} else {	511	} else {
324	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
325		513
…		…
345	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
346		534
347	$coro	535	$coro
348	}	536	}
349		537
350	sub write_runtime {	538	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		539
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	Executes the given code block with the given arguments in a seperate
354	or return;	541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
355		544
356	my $value = $cf::RUNTIME + 90 + 10;	545	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		546
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub fork_call(&@) {
361	and return;	548	my ($cb, @args) = @_;
362		549
363	aio_fsync $fh	550	# we seemingly have to make a local copy of the whole thing,
364	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
365		553
366	close $fh	554	my @res = Coro::Util::fork_eval {
367	or return;	555	reset_signals;
		556	&$cb
		557	}, @args;
368		558
369	aio_rename "$runtime~", $runtime	559	wantarray ? @res : $res[-1]
370	and return;	560	}
371		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
372	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
		714	}
		715
		716	=item cf::datalog type => key => value, ...
		717
		718	Log a datalog packet of the given type with the given key-value pairs.
		719
		720	=cut
		721
		722	sub datalog($@) {
		723	my ($type, %kv) = @_;
		724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	725	}
374		726
375	=back	727	=back
376		728
377	=cut	729	=cut
378		730
379	#############################################################################	731	#############################################################################
380		732
381	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
382		734
383	Many objects in crossfire are so-called attachable objects. That means you can	735	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
386		738
387	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	741	Deliantra).
390		742
391	=over 4	743	=over 4
392		744
393	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
394		746
…		…
438	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
439		791
440	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
442		794
443	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	796	that are attached at load/instantiate time, thus the need for a name.
445		797
446	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
447		799
448	=over 4	800	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
558		910
559	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		915
564	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	917	my $pkg = shift @arg;
566		918
567	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
597	}	949	}
598		950
599	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
600	} else {	952	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	954	}
603		955
604	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
605	}	957	}
606		958
…		…
608	if (ref $_[0]) {	960	if (ref $_[0]) {
609	_object_attach @_;	961	_object_attach @_;
610	} else {	962	} else {
611	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
612	}	964	}
		965	_recalc_want;
613	};	966	};
614		967
615	# all those should be optimised	968	# all those should be optimised
616	sub cf::attachable::detach {	969	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
621	reattach ($obj);	974	reattach ($obj);
622	} else {	975	} else {
623	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
624	}	977	}
		978	_recalc_want;
625	};	979	};
626		980
627	sub cf::attachable::attached {	981	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
629		983
…		…
644	";	998	";
645	die if $@;	999	die if $@;
646	}	1000	}
647		1001
648	our $override;	1002	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1004
651	sub override {	1005	sub override {
652	$override = 1;	1006	$override = 1;
653	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
654	}	1008	}
655		1009
656	sub do_invoke {	1010	sub do_invoke {
657	my $event = shift;	1011	my $event = shift;
658	my $callbacks = shift;	1012	my $callbacks = shift;
659		1013
660	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
661		1015
662	local $override;	1016	local $override;
663		1017
664	for (@$callbacks) {	1018	for (@$callbacks) {
665	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
674	}	1028	}
675		1029
676	0	1030	0
677	}	1031	}
678		1032
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1034
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1036
683	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
684		1038
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1042
689	=back	1043	=back
690		1044
691	=cut	1045	=cut
692		1046
693	#############################################################################	1047	#############################################################################
694	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
695		1091
696	sub reattach {	1092	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1094	my ($obj) = @_;
699		1095
		1096	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1098
702	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
703		1100
704	@$registry = ();	1101	@$registry = ();
705		1102
…		…
720	cf::attachable->attach (	1117	cf::attachable->attach (
721	prio => -1000000,	1118	prio => -1000000,
722	on_instantiate => sub {	1119	on_instantiate => sub {
723	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
724		1121
725	$data = from_json $data;	1122	$data = decode_json $data;
726		1123
727	for (@$data) {	1124	for (@$data) {
728	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
729		1126
730	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1143	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
748		1145
749	sync_job {	1146	sync_job {
750	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
753		1151
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1155	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1156	aio_close $fh;
759		1157
760	if (@$objs) {	1158	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1163	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1164	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
768	}	1166	}
769	} else {	1167	} else {
770	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
771	}	1169	}
…		…
776	}	1174	}
777	} else {	1175	} else {
778	aio_unlink $filename;	1176	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
780	}	1178	}
781	}	1179	};
782	}	1180	}
783		1181
784	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
786		1184
…		…
798	or return;	1196	or return;
799		1197
800	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
802	or return;	1200	or return;
		1201
803	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
804	}	1204	}
805		1205
		1206	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
808	return ($data, $av);	1210	($data, $av)
809	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
810		1218
811	#############################################################################	1219	#############################################################################
812	# command handling &c	1220	# command handling &c
813		1221
814	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1236	}
829		1237
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1239
832	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
833		1245
834	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
835	called.	1247	called.
836		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
837	=cut	1260	=cut
838		1261
839	sub register_extcmd {	1262	sub register_extcmd {
840	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
841		1264
842	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
843	}	1272	}
844		1273
845	cf::player->attach (	1274	cf::player->attach (
846	on_command => sub {	1275	on_command => sub {
847	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1285	cf::override;
857	},	1286	},
858	on_extcmd => sub {	1287	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
860		1289
861	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1291
863	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
869	} else {	1307	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1309	}
872		1310
873	cf::override;	1311	cf::override;
874	},	1312	},
875	);	1313	);
876		1314
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
912	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1320	next unless -r $path;
914	eval {	1321
915	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
916	1	1378	}
917	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
918	}	1384	};
919	}	1385	}
920		1386
921	#############################################################################	1387	#############################################################################
922		1388
		1389	=back
		1390
923	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
924		1392
925	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
926		1394
927	=cut	1395	=cut
928		1396
929	package cf::player;	1397	package cf::player;
930		1398
…		…
932		1400
933	=head3 cf::player	1401	=head3 cf::player
934		1402
935	=over 4	1403	=over 4
936		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
937	=item cf::player::find $login	1419	=item cf::player::find $login
938		1420
939	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
940		1422
941	=cut	1423	=cut
942		1424
943	sub playerdir($) {	1425	sub playerdir($) {
944	cf::localdir	1426	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1428	}
950		1429
951	sub path($) {	1430	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1432
954	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
955	}	1434	}
956		1435
957	sub find_active($) {	1436	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1451	my $login = $_[0];
973		1452
974	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
975		1454
976	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1456	# rename old playerfiles to new ones
		1457	#TODO: remove when no longer required
		1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1461	aio_unlink +(playerdir $login) . "/$login.pl";
		1462
		1463	my $f = new_from_file cf::object::thawer path $login
978	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
980	}	1472	}
981	}	1473	}
982	}	1474	}
983		1475
…		…
992	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
993		1485
994	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
996		1488
		1489	cf::get_slot 0.01;
		1490
997	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
998	Coro::cede;	1492	cf::cede_to_tick;
999	}	1493	}
1000		1494
1001	sub new($) {	1495	sub new($) {
1002	my ($login) = @_;	1496	my ($login) = @_;
1003		1497
…		…
1009	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1010		1504
1011	$self	1505	$self
1012	}	1506	}
1013		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1014	=item $pl->quit_character	1518	=item $pl->quit_character
1015		1519
1016	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1018		1522
1019	=cut	1523	=cut
1020		1524
1021	sub quit_character {	1525	sub quit_character {
1022	my ($pl) = @_;	1526	my ($pl) = @_;
1023		1527
		1528	my $name = $pl->ob->name;
		1529
1024	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1026		1532
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1031		1539
1032	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1544	$pl->destroy;
		1545
		1546	my $prefix = qr<^~\Q$name\E/>;
		1547
		1548	# nuke player maps
		1549	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1550
1037	IO::AIO::aio_rmtree $temp;	1551	IO::AIO::aio_rmtree $temp;
		1552	}
		1553
		1554	=item $pl->kick
		1555
		1556	Kicks a player out of the game. This destroys the connection.
		1557
		1558	=cut
		1559
		1560	sub kick {
		1561	my ($pl, $kicker) = @_;
		1562
		1563	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1564	$pl->killer ("kicked");
		1565	$pl->ns->destroy;
1038	}	1566	}
1039		1567
1040	=item cf::player::list_logins	1568	=item cf::player::list_logins
1041		1569
1042	Returns am arrayref of all valid playernames in the system, can take a	1570	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1044		1572
1045	=cut	1573	=cut
1046		1574
1047	sub list_logins {	1575	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1577	or return [];
1050		1578
1051	my @logins;	1579	my @logins;
1052		1580
1053	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1057		1591
1058	utf8::decode $login;	1592	utf8::decode $login;
1059	push @logins, $login;	1593	push @logins, $login;
1060	}	1594	}
1061		1595
…		…
1069		1603
1070	=cut	1604	=cut
1071		1605
1072	sub maps($) {	1606	sub maps($) {
1073	my ($pl) = @_;	1607	my ($pl) = @_;
		1608
		1609	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1610
1075	my $files = aio_readdir playerdir $pl	1611	my $files = aio_readdir playerdir $pl
1076	or return;	1612	or return;
1077		1613
1078	my @paths;	1614	my @paths;
…		…
1080	for (@$files) {	1616	for (@$files) {
1081	utf8::decode $_;	1617	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1618	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1619	next unless /^$PATH_SEP/o;
1084		1620
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1621	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1622	}
1087		1623
1088	\@paths	1624	\@paths
1089	}	1625	}
1090		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1092		1632
1093	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1094		1634
1095	=cut	1635	=cut
1096		1636
1097	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1099		1639
1100	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1641	}
1104		1642
1105	package cf;	1643	=item $player->ext_msg ($type, @msg)
		1644
		1645	Sends an ext event to the client.
		1646
		1647	=cut
		1648
		1649	sub ext_msg($$@) {
		1650	my ($self, $type, @msg) = @_;
		1651
		1652	$self->ns->ext_msg ($type, @msg);
		1653	}
		1654
		1655	=head3 cf::region
		1656
		1657	=over 4
		1658
		1659	=cut
		1660
		1661	package cf::region;
		1662
		1663	=item cf::region::find_by_path $path
		1664
		1665	Tries to decuce the likely region for a map knowing only its path.
		1666
		1667	=cut
		1668
		1669	sub find_by_path($) {
		1670	my ($path) = @_;
		1671
		1672	my ($match, $specificity);
		1673
		1674	for my $region (list) {
		1675	if ($region->{match} && $path =~ $region->{match}) {
		1676	($match, $specificity) = ($region, $region->specificity)
		1677	if $region->specificity > $specificity;
		1678	}
		1679	}
		1680
		1681	$match
		1682	}
1106		1683
1107	=back	1684	=back
1108
1109		1685
1110	=head3 cf::map	1686	=head3 cf::map
1111		1687
1112	=over 4	1688	=over 4
1113		1689
…		…
1125	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1127		1703
1128	sub generate_random_map {	1704	sub generate_random_map {
1129	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1130	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1710	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1168	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1169		1748
1170	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1171	local $self->{path};	1750	local $self->{path};
1172	local $self->{load_path};	1751	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1752
1176	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1177	}	1754	}
1178		1755
1179	sub normalise {	1756	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1227	return $self;	1804	return $self;
1228	}	1805	}
1229	}	1806	}
1230		1807
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1809	()
1233	}	1810	}
1234		1811
1235	sub init {	1812	sub init {
1236	my ($self) = @_;	1813	my ($self) = @_;
…		…
1251		1828
1252	# the original (read-only) location	1829	# the original (read-only) location
1253	sub load_path {	1830	sub load_path {
1254	my ($self) = @_;	1831	my ($self) = @_;
1255		1832
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1257	}	1834	}
1258		1835
1259	# the temporary/swap location	1836	# the temporary/swap location
1260	sub save_path {	1837	sub save_path {
1261	my ($self) = @_;	1838	my ($self) = @_;
1262		1839
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1265	}	1842	}
1266		1843
1267	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1268	sub uniq_path {	1845	sub uniq_path {
1269	my ($self) = @_;	1846	my ($self) = @_;
1270		1847
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1273	}	1850	}
1274		1851
1275	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1276	# all maps in C++...	1853	# all maps in C++...
1277	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1279		1856
1280	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1282	}	1859	}
1283		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1284	sub unlink_save {	1869	sub unlink_save {
1285	my ($self) = @_;	1870	my ($self) = @_;
1286		1871
1287	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1876
1292	sub load_header_from($) {	1877	sub load_header_from($) {
1293	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1294		1879
1295	utf8::encode $path;	1880	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1297	or return;	1882	or return;
1298		1883
1299	$self->_load_header ($path)	1884	$self->_load_header ($f)
1300	or return;	1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1301		1889
1302	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1303		1891
1304	1	1892	1
1305	}	1893	}
…		…
1344	$self->load_header_orig	1932	$self->load_header_orig
1345	or return;	1933	or return;
1346	$self->prepare_orig;	1934	$self->prepare_orig;
1347	}	1935	}
1348		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
		1940	$self->default_region (cf::region::find_by_path $self->{path})
		1941	unless $self->default_region;
		1942
1349	1	1943	1
1350	}	1944	}
1351		1945
1352	sub find;	1946	sub find;
1353	sub find {	1947	sub find {
1354	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1355		1949
1356	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1357		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1359		1954
1360	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1361	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1362	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1363	or return;	1960	or return;
1364		1961
1365	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1366		1963
1367	$map->load_header	1964	$map->load_header
1368	or return;	1965	or return;
1369		1966
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1373	$map->reset;	1972	$map->reset;
1374	undef $guard;
1375	return find $path;	1973	return find $path;
1376	}	1974	}
1377		1975
1378	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1379	}	1977	}
…		…
1386	my ($self) = @_;	1984	my ($self) = @_;
1387		1985
1388	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1389		1987
1390	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1392		1992
		1993	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		1995
1395	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1396		1997
1397	$self->alloc;	1998	$self->alloc;
1398		1999
1399	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1400		2002
1401	$self->_load_objects ($self->{load_path}, 1)	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
		2005	$self->_load_objects ($f)
1402	or return;	2006	or return;
1403		2007
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1405	if delete $self->{load_original};	2009	if delete $self->{load_original};
1406		2010
1407	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2012	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2015	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1412	}	2019	}
1413	}	2020	}
1414		2021
1415	Coro::cede;	2022	$f->resolve_delayed_derefs;
1416		2023
		2024	cf::cede_to_tick;
1417	# now do the right thing for maps	2025	# now do the right thing for maps
1418	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2028	unless $self->difficulty;
1428	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($self->{deny_activate}) {
		2032	$self->decay_objects;
		2033	$self->fix_auto_apply;
		2034	$self->update_buttons;
		2035	cf::cede_to_tick;
		2036	$self->set_darkness_map;
		2037	cf::cede_to_tick;
1429	$self->activate;	2038	$self->activate;
		2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1430	}	2045	}
1431		2046
1432	$self->post_load;	2047	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2048	}
1436		2049
1437	sub customise_for {	2050	sub customise_for {
1438	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1439		2052
1440	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2054	if $self->per_player;
1442		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1443	$self	2059	$self
1444	}	2060	}
1445		2061
1446	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2063	sub load_neighbours {
1448	my ($map) = @_;	2064	my ($map) = @_;
1449		2065
1450	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1451		2067
1452	for (0 .. 3) {	2068	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1454	or next;	2070	or next;
1455	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1456	or next;	2072	or next;
1457	$neigh->load;	2073	$neigh->load;
1458		2074
		2075	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2078	}
1462		2079
1463	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1465	or next;	2083	or next;
1466	$neigh->load;	2084	$neigh->load;
1467	}	2085	}
1468	}	2086	}
1469		2087
…		…
1474	}	2092	}
1475		2093
1476	sub do_load_sync {	2094	sub do_load_sync {
1477	my ($map) = @_;	2095	my ($map) = @_;
1478		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1479	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1480	}	2101	}
1481		2102
1482	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1484		2105
1485	sub find_async {	2106	sub find_async {
1486	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1487		2108
1488	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1489		2110
1490	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2113	}
1493		2114
1494	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1495	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1496	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2122	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2123	$map->load if $v;
		2124	}
1501		2125
1502	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1503	}	2127	}
1504	}	2128	}
1505	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1506	};	2130	};
1507	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2134	}
1511		2135
1512	sub save {	2136	sub save {
1513	my ($self) = @_;	2137	my ($self) = @_;
1514		2138
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2140
1517	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1518		2142
1519	return unless $self->dirty;	2143	return unless $self->dirty;
1520		2144
…		…
1526	return if $self->{deny_save};	2150	return if $self->{deny_save};
1527		2151
1528	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1529		2153
1530	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1532	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1533		2160
1534	if ($uniq) {	2161	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2164	} else {
…		…
1543	my ($self) = @_;	2170	my ($self) = @_;
1544		2171
1545	# save first because save cedes	2172	# save first because save cedes
1546	$self->save;	2173	$self->save;
1547		2174
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2176
1550	return if $self->players;	2177	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2179	return if $self->{deny_save};
1553		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2185	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2186	}
1557		2187
1558	sub reset_at {	2188	sub reset_at {
1559	my ($self) = @_;	2189	my ($self) = @_;
1560		2190
1561	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1564		2193
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2196
…		…
1578	my ($self) = @_;	2207	my ($self) = @_;
1579		2208
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2210
1582	return if $self->players;	2211	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2212
1585	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
		2214
		2215	$self->in_memory (cf::MAP_SWAPPED);
		2216
		2217	# need to save uniques path
		2218	unless ($self->{deny_save}) {
		2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2220
		2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2222	if $uniq;
		2223	}
1586		2224
1587	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1588		2226
1589	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2229	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2230
1594	$self->unlink_save;	2231	$self->unlink_save;
1595	$self->destroy;	2232	$self->destroy;
1596	}	2233	}
1597		2234
1598	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1599		2236
1600	sub nuke {	2237	sub nuke {
1601	my ($self) = @_;	2238	my ($self) = @_;
1602		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1603	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1604		2244
1605	$self->unlink_save;	2245	$self->unlink_save;
1606		2246
1607	bless $self, "cf::map";	2247	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2252
1613	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1614		2255
1615	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1616	}	2293	}
1617		2294
1618	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1619		2296
1620	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2298	instantiated unique items. May block.
1622		2299
1623	=cut	2300	=cut
1624		2301
1625	sub unique_maps() {	2302	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1627	or return;	2304	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2305	utf8::decode $_;
1633	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2308	? ()
1636	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2311	]
1638
1639	\@paths
1640	}	2312	}
1641
1642	package cf;
1643		2313
1644	=back	2314	=back
1645		2315
1646	=head3 cf::object	2316	=head3 cf::object
1647		2317
…		…
1651		2321
1652	=over 4	2322	=over 4
1653		2323
1654	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1655		2325
1656	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1657		2328
1658	=cut	2329	=cut
1659		2330
1660	sub inv_recursive_;	2331	sub inv_recursive_;
1661	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1664		2335
1665	sub inv_recursive {	2336	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1667	}	2338	}
1668		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1669	package cf;	2368	package cf;
1670		2369
1671	=back	2370	=back
1672		2371
1673	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1679	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1680	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1681	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1682		2381
1683	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1684		2397
1685	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2399	# with dialog boxes.
1687	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1688	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1690		2403
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2405
1693	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1695	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1698	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1699	}	2431	}
1700		2432
1701	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1702		2434
1703	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1716		2448
1717	=item $player_object->enter_link	2449	=item $player_object->enter_link
1718		2450
1719	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1720		2452
1721	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1722	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1723		2457
1724	Will never block.	2458	Will never block.
1725		2459
1726	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1727		2461
…		…
1750	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1751		2485
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2487
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1756		2490
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2492	}
1759		2493
1760	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1762		2498
1763	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1764		2500
1765	unless ($map) {	2501	unless ($map) {
1766	# restore original map position	2502	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1783		2519
1784	$map->load;	2520	$map->load;
1785	$map->load_diag;	2521	$map->load_neighbours;
1786		2522
1787	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1788	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1790	}	2529	}
1791		2530
1792	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2532
1796	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1800	};	2537	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2538
1806	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1807	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2541
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1827		2545
1828	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2551
1831	$self->enter_link;	2552	$self->enter_link;
1832		2553
1833	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1834	my $map = eval {	2576	my $map = eval {
1835	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1837	$map	2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2592	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1842	})->prio (1);	2600	})->prio (1);
1843	}	2601	}
1844		2602
1845	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1846		2604
…		…
1866	}	2624	}
1867		2625
1868	sub prepare_random_map {	2626	sub prepare_random_map {
1869	my ($exit) = @_;	2627	my ($exit) = @_;
1870		2628
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2631	# that depends on the exit object
1876		2632
1877	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2635	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1884	}	2642	}
1885		2643
1886	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1887		2645
1888	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1891		2649
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2652	undef $fh;
1895	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1896		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1899	}	2661	}
1900	}	2662	}
1901		2663
1902	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1904		2666
1905	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1906		2668
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2669	$self->enter_link;
1917		2670
1918	(async {	2671	(async {
1919	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1920	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
1921	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1922		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
1923	1;	2695	1
1924	}) {	2696	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2701
1930	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2703	$self->leave_link;
1932	}	2704	}
1933	})->prio (1);	2705	})->prio (1);
…		…
1946		2718
1947	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1949		2721
1950	utf8::encode $text;	2722	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2724	}
1953		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
		2798
		2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2800
		2801	# check predefined channels, for the benefit of C
		2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
		2810	} elsif (ref $channel) {
		2811	# send meta info to client, if not yet sent
		2812	unless (exists $self->{channel}{$channel->{id}}) {
		2813	$self->{channel}{$channel->{id}} = $channel;
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816	}
		2817
		2818	$channel = $channel->{id};
		2819	}
		2820
		2821	return unless @extra || length $msg;
		2822
		2823	if ($self->can_msg) {
		2824	# default colour, mask it out
		2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2826	if $color & cf::NDI_DEF;
		2827
		2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
		2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
		2844	} else {
		2845	if ($color >= 0) {
		2846	# replace some tags by gcfclient-compatible ones
		2847	for ($msg) {
		2848	1 while
		2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2854	}
		2855
		2856	$color &= cf::NDI_COLOR_MASK;
		2857
		2858	utf8::encode $msg;
		2859
		2860	if (0 && $msg =~ /\[/) {
		2861	# COMMAND/INFO
		2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2863	} else {
		2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2865	$self->send_packet ("drawinfo $color $msg")
		2866	}
		2867	}
		2868	}
		2869	}
		2870
		2871	=item $client->ext_msg ($type, @msg)
		2872
		2873	Sends an ext event to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_msg($$@) {
		2878	my ($self, $type, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
		2883	push @msg, msgtype => "event_$type";
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2885	}
		2886	}
		2887
		2888	=item $client->ext_reply ($msgid, @msg)
		2889
		2890	Sends an ext reply to the client.
		2891
		2892	=cut
		2893
		2894	sub cf::client::ext_reply($$@) {
		2895	my ($self, $id, @msg) = @_;
		2896
		2897	if ($self->extcmd == 2) {
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2899	} elsif ($self->extcmd == 1) {
		2900	#TODO: version 1, remove
		2901	unshift @msg, msgtype => "reply", msgid => $id;
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
1954		2905
1955	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
1956		2907
1957	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2909	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2910	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2911
1961	Queries can fail, so check the return code. Or don't, as queries will become	2912	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2913	become reliable at some point in the future.
1963		2914
1964	=cut	2915	=cut
1965		2916
1966	sub cf::client::query {	2917	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2926	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2928
1978	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
1980	}	2933	}
1981		2934
1982	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
1983	on_reply => sub {	2941	on_reply => sub {
1984	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
1985		2943
1986	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
1987	# get handled first	2945	# get handled first
1988	my $queue = delete $ns->{query_queue}	2946	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2947	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2948
1991	(shift @$queue)->[1]->($msg);	2949	(shift @$queue)->[1]->($msg);
		2950	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2951
1993	push @{ $ns->{query_queue} }, @$queue;	2952	push @{ $ns->{query_queue} }, @$queue;
1994		2953
1995	if (@{ $ns->{query_queue} } == @$queue) {	2954	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2955	if (@$queue) {
…		…
1998	} else {	2957	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2959	}
2001	}	2960	}
2002	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($ns, $buf) = @_;
		2964
		2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2966
		2967	if (ref $msg) {
		2968	my ($type, $reply, @payload) =
		2969	"ARRAY" eq ref $msg
		2970	? @$msg
		2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2972
		2973	my @reply;
		2974
		2975	if (my $cb = $EXTICMD{$type}) {
		2976	@reply = $cb->($ns, @payload);
		2977	}
		2978
		2979	$ns->ext_reply ($reply, @reply)
		2980	if $reply;
		2981
		2982	} else {
		2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2984	}
		2985
		2986	cf::override;
		2987	},
2003	);	2988	);
2004		2989
2005	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2006		2991
2007	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2050		3035
2051	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2052		3037
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2054		3043
2055	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2056		3045
2057	=pod	3046	=pod
2058		3047
2059	The following fucntions and emthods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2060		3049
2061	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2062	cf::object::player player	3054	cf::object::player
2063	cf::player peaceful	3055	player
2064	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2065		3062
2066	=cut	3063	=cut
2067		3064
2068	for (	3065	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2070	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2073	) {	3072	) {
2074	no strict 'refs';	3073	no strict 'refs';
…		…
2145	=back	3144	=back
2146		3145
2147	=cut	3146	=cut
2148		3147
2149	#############################################################################	3148	#############################################################################
		3149	# the server's init and main functions
2150		3150
2151	=head2 EXTENSION DATABASE SUPPORT	3151	sub load_facedata($) {
		3152	my ($path) = @_;
2152		3153
2153	Crossfire maintains a very simple database for extension use. It can	3154	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3155	# for this (global event?)
2155	excludes objects.	3156	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3157
2157	The parameter C<$family> should best start with the name of the extension	3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3159
2160	=over 4	3160	warn "loading facedata from $path\n";
2161		3161
2162	=item $hashref = cf::db_get $family	3162	my $facedata;
		3163	0 < aio_load $path, $facedata
		3164	or die "$path: $!";
2163		3165
2164	Return a hashref for use by the extension C<$family>, which can be	3166	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3167
2168	=item $value = cf::db_get $family => $key	3168	$facedata->{version} == 2
		3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3170
2170	Returns a single value from the database	3171	# patch in the exptable
2171		3172	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3173	type => FT_RSRC,
2173		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3175	};
		3176	cf::cede_to_tick;
2200		3177
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3178	{
		3179	my $faces = $facedata->{faceinfo};
2212		3180
2213	my $dirty;	3181	while (my ($face, $info) = each %$faces) {
		3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3183
2215	sub db_sync() {	3184	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3185	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2218	}	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2219		3188
2220	my $idle = Event->idle (	3189	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3190	}
2254	);
2255	}
2256		3191
2257	#############################################################################	3192	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3193	next unless $info->{smooth};
2259		3194
2260	sub cfg_load {	3195	my $idx = cf::face::find $face
		3196	or next;
		3197
		3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
		3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3201	} else {
		3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3203	}
		3204
		3205	cf::cede_to_tick;
		3206	}
		3207	}
		3208
		3209	{
		3210	my $anims = $facedata->{animinfo};
		3211
		3212	while (my ($anim, $info) = each %$anims) {
		3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	cf::anim::invalidate_all; # d'oh
		3218	}
		3219
		3220	{
		3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
		3224
		3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
		3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3228	my $data;
		3229
		3230	if ($info->{type} & 1) {
		3231	# prepend meta info
		3232
		3233	my $meta = $enc->encode ({
		3234	name => $name,
		3235	%{ $info->{meta} || {} },
		3236	});
		3237
		3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
		3245	} else {
		3246	$RESOURCE{$name} = $info;
		3247	}
		3248
		3249	cf::cede_to_tick;
		3250	}
		3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3254
		3255	1
		3256	}
		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
		3277
		3278	register_exticmd fx_want => sub {
		3279	my ($ns, $want) = @_;
		3280
		3281	while (my ($k, $v) = each %$want) {
		3282	$ns->fx_want ($k, $v);
		3283	}
		3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
		3295
		3296	sub reload_regions {
		3297	# HACK to clear player env face cache, we need some signal framework
		3298	# for this (global event?)
		3299	%ext::player_env::MUSIC_FACE_CACHE = ();
		3300
		3301	load_resource_file "$MAPDIR/regions"
		3302	or die "unable to load regions file\n";
		3303
		3304	for (cf::region::list) {
		3305	$_->{match} = qr/$_->{match}/
		3306	if exists $_->{match};
		3307	}
		3308	}
		3309
		3310	sub reload_facedata {
		3311	load_facedata "$DATADIR/facedata"
		3312	or die "unable to load facedata\n";
		3313	}
		3314
		3315	sub reload_archetypes {
		3316	load_resource_file "$DATADIR/archetypes"
		3317	or die "unable to load archetypes\n";
		3318	}
		3319
		3320	sub reload_treasures {
		3321	load_resource_file "$DATADIR/treasures"
		3322	or die "unable to load treasurelists\n";
		3323	}
		3324
		3325	sub reload_resources {
		3326	warn "reloading resource files...\n";
		3327
		3328	reload_facedata;
		3329	reload_archetypes;
		3330	reload_regions;
		3331	reload_treasures;
		3332
		3333	warn "finished reloading resource files\n";
		3334	}
		3335
		3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
		3341	reload_resources;
		3342	}
		3343
		3344	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3346	or return;
2263		3347
2264	local $/;	3348	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2266		3350
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268		3352
2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2276	};	3360	};
2277	warn $@ if $@;	3361	warn $@ if $@;
2278	}	3362	}
2279	}	3363	}
2280		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
2281	sub main {	3384	sub main {
		3385	atomic;
		3386
2282	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3390	(async {
2286	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2288	};	3394	};
2289		3395
2290	cfg_load;	3396	{
2291	db_load;	3397	my $guard = freeze_mainloop;
		3398	reload_config;
		3399	db_init;
2292	load_extensions;	3400	load_extensions;
2293		3401
2294	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
2295	Event::loop;	3410	EV::loop;
2296	}	3411	}
2297		3412
2298	#############################################################################	3413	#############################################################################
2299	# initialisation and cleanup	3414	# initialisation and cleanup
2300		3415
2301	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2302	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2311	},
2312	);	3422	};
		3423	}
		3424	}
		3425
		3426	sub write_runtime_sync {
		3427	# first touch the runtime file to show we are still running:
		3428	# the fsync below can take a very very long time.
		3429
		3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3431
		3432	my $guard = cf::lock_acquire "write_runtime";
		3433
		3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3435	or return;
		3436
		3437	my $value = $cf::RUNTIME + 90 + 10;
		3438	# 10 is the runtime save interval, for a monotonic clock
		3439	# 60 allows for the watchdog to kill the server.
		3440
		3441	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3442	and return;
		3443
		3444	# always fsync - this file is important
		3445	aio_fsync $fh
		3446	and return;
		3447
		3448	# touch it again to show we are up-to-date
		3449	aio_utime $fh, undef, undef;
		3450
		3451	close $fh
		3452	or return;
		3453
		3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3455	and return;
		3456
		3457	warn "runtime file written.\n";
		3458
2313	}	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2314	}	3503	}
2315		3504
2316	sub emergency_save() {	3505	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2318		3507
…		…
2324	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2326	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3519	$pl->save;
2330	}	3520	}
2331	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2332		3522
2333	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2335	my $map = $cf::MAP{$path} or next;	3525	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3526	$map->valid or next;
2337	$map->save;	3527	$map->save;
2338	}	3528	}
2339	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
		3530
		3531	warn "begin emergency database checkpoint\n";
		3532	BDB::db_env_txn_checkpoint $DB_ENV;
		3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2340	};	3538	};
2341		3539
2342	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2343	}	3541	}
2344		3542
		3543	sub post_cleanup {
		3544	my ($make_core) = @_;
		3545
		3546	warn Carp::longmess "post_cleanup backtrace"
		3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
		3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
		3580
2345	sub reload() {	3581	sub do_reload_perl() {
2346	# can/must only be called in main	3582	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2349	return;	3585	return;
2350	}	3586	}
2351		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2352	warn "reloading...";	3591	warn "reloading...";
2353		3592
2354	warn "cancelling server ticker";	3593	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3594
		3595	cf::sync_job {
		3596	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3597	cf::emergency_save;
		3598	cf::write_runtime_sync; # external watchdog should not bark
2358		3599
2359	eval {	3600	warn "syncing database to disk";
		3601	BDB::db_env_txn_checkpoint $DB_ENV;
		3602
2360	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2361		3604
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2371	for (;;) {	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2372	IO::AIO::flush;	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();
2381
2382	warn "removing commands";
2383	%COMMAND = ();
2384
2385	warn "removing ext commands";
2386	%EXTCMD = ();
2387
2388	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";
2391
2392	if (my $cb = $pkg->can ("unload")) {
2393	eval {
2394	$cb->($pkg);
2395	1
2396	} or warn "$pkg unloaded, but with errors: $@";
2397	}	3608	}
2398		3609
2399	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2400	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2401	}	3612	%EXT_CORO = ();
2402		3613
2403	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2404	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2407	warn "... unloading $k";	3623	warn "... unloading $pkg";
2408	delete $INC{$k};
2409		3624
2410	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;
2412
2413	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2414	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2415	}	3634	}
2416		3635
2417	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
2418	}	3651	}
2419		3652
2420	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3656
2424	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2426		3660
2427	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3662	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2430		3664
2431	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2432		3666
2433	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2434	require cf;	3668	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3670
2437	warn "loading config and database again";	3671	warn "loading config and database again";
2438	cf::cfg_load;	3672	cf::reload_config;
2439	cf::db_load;
2440		3673
2441	warn "loading extensions";	3674	warn "loading extensions";
2442	cf::load_extensions;	3675	cf::load_extensions;
2443		3676
2444	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3678	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2448		3683
2449	warn "restarting server ticker";	3684	warn "leaving sync_job";
2450		3685
2451	$TICK_WATCHER->start;	3686	1
		3687	} or do {
		3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
		3690	};
		3691
		3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
		3695	};
		3696
		3697	our $RELOAD_WATCHER; # used only during reload
		3698
		3699	sub reload_perl() {
		3700	# doing reload synchronously and two reloads happen back-to-back,
		3701	# coro crashes during coro_state_free->destroy here.
		3702
		3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3704	do_reload_perl;
		3705	undef $RELOAD_WATCHER;
2452	};	3706	};
2453		3707	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		3708
2465	register_command "reload" => sub {	3709	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2467		3711
2468	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
2470		3714	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3715	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3716	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3717	};
2483	}	3718	}
2484	};	3719	};
2485		3720
2486	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2487		3722
2488	my $bug_warning = 0;	3723	my $bug_warning = 0;
2489		3724
2490	$TICK_WATCHER = Event->timer (	3725	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3726	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3727
2493	prio => 0,	3728	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	3730
2496	cb => sub {	3731	my $signal = new Coro::Signal;
		3732	push @WAIT_FOR_TICK, $signal;
		3733	$signal->wait;
		3734	}
		3735
		3736	sub wait_for_tick_begin {
		3737	return if tick_inhibit || $Coro::current == $Coro::main;
		3738
		3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK_BEGIN, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub tick {
2497	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2500	return;	3748	return;
2501	}	3749	}
2502		3750
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		3752
2509	$WAIT_FOR_TICK->broadcast;	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3755	Coro::async_pool {
2512	Event::sweep;	3756	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},
2524	);
2525
2526	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537
2538	$WRITE_RUNTIME_WATCHER = Event->timer (
2539	reentrant => 0,
2540	data => WF_AUTOCANCEL,
2541	after => 1,
2542	interval => 10,
2543	prio => 6, # keep it lowest so it acts like a watchdog
2544	cb => Coro::unblock_sub {
2545	write_runtime	3757	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
		3759	};
2547	},	3760	}
2548	);	3761
		3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3763	$sig->send;
		3764	}
		3765	while (my $sig = shift @WAIT_FOR_TICK) {
		3766	$sig->send;
		3767	}
		3768
		3769	$LOAD = ($NOW - $TICK_START) / $TICK;
		3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3771
		3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
		3778	}
		3779	}
		3780
		3781	{
		3782	# configure BDB
		3783
		3784	BDB::min_parallel 8;
		3785	BDB::max_poll_reqs $TICK * 0.1;
		3786	$AnyEvent::BDB::WATCHER->priority (1);
		3787
		3788	unless ($DB_ENV) {
		3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3795
		3796	cf::sync_job {
		3797	eval {
		3798	BDB::db_env_open
		3799	$DB_ENV,
		3800	$BDBDIR,
		3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3803	0666;
		3804
		3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3806	};
		3807
		3808	cf::cleanup "db_env_open(db): $@" if $@;
		3809	};
		3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
		3821	}
		3822
		3823	{
		3824	# configure IO::AIO
		3825
		3826	IO::AIO::min_parallel 8;
		3827	IO::AIO::max_poll_time $TICK * 0.1;
		3828	undef $AnyEvent::AIO::WATCHER;
		3829	}
		3830
		3831	my $_log_backtrace;
		3832
		3833	sub _log_backtrace {
		3834	my ($msg, @addr) = @_;
		3835
		3836	$msg =~ s/\n//;
		3837
		3838	# limit the # of concurrent backtraces
		3839	if ($_log_backtrace < 2) {
		3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
		3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
		3845	my @bt = fork_call {
		3846	@addr = map { sprintf "%x", $_ } @addr;
		3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3849	or die "addr2line: $!";
		3850
		3851	my @funcs;
		3852	my @res = <$fh>;
		3853	chomp for @res;
		3854	while (@res) {
		3855	my ($func, $line) = splice @res, 0, 2, ();
		3856	push @funcs, "[$func] $line";
		3857	}
		3858
		3859	@funcs
		3860	};
		3861
		3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3864	LOG llevInfo, "[ABT] $_\n" for @bt;
		3865	--$_log_backtrace;
		3866	};
		3867	} else {
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] [suppressed]\n";
		3870	}
		3871	}
		3872
		3873	# load additional modules
		3874	use cf::pod;
2549		3875
2550	END { cf::emergency_save }	3876	END { cf::emergency_save }
2551		3877
2552	1	3878	1
2553		3879

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