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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 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 "$filename.pst";
780	}	1178	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1179	};
788	}	1180	}
789		1181
790	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
792		1184
…		…
797		1189
798	sub object_thawer_load {	1190	sub object_thawer_load {
799	my ($filename) = @_;	1191	my ($filename) = @_;
800		1192
801	my ($data, $av);	1193	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1194
806	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
807	or return;	1196	or return;
808		1197
809	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
811	or return;	1200	or return;
		1201
812	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
813	}	1204	}
814		1205
		1206	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
817	return ($data, $av);	1210	($data, $av)
818	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
819		1218
820	#############################################################################	1219	#############################################################################
821	# command handling &c	1220	# command handling &c
822		1221
823	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1236	}
838		1237
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1239
841	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.
842		1245
843	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
844	called.	1247	called.
845		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
846	=cut	1260	=cut
847		1261
848	sub register_extcmd {	1262	sub register_extcmd {
849	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
850		1264
851	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
852	}	1272	}
853		1273
854	cf::player->attach (	1274	cf::player->attach (
855	on_command => sub {	1275	on_command => sub {
856	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1285	cf::override;
866	},	1286	},
867	on_extcmd => sub {	1287	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
869		1289
870	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1291
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
878	} else {	1307	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1309	}
881		1310
882	cf::override;	1311	cf::override;
883	},	1312	},
884	);	1313	);
885		1314
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
921	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1320	next unless -r $path;
923	eval {	1321
924	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	$progress = 1;
925	1	1378	}
926	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
927	}	1384	};
928	}	1385	}
929		1386
930	#############################################################################	1387	#############################################################################
931		1388
		1389	=back
		1390
932	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
933		1392
934	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
935		1394
936	=cut	1395	=cut
937		1396
938	package cf::player;	1397	package cf::player;
939		1398
…		…
941		1400
942	=head3 cf::player	1401	=head3 cf::player
943		1402
944	=over 4	1403	=over 4
945		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
946	=item cf::player::find $login	1419	=item cf::player::find $login
947		1420
948	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
949		1422
950	=cut	1423	=cut
951		1424
952	sub playerdir($) {	1425	sub playerdir($) {
953	cf::localdir	1426	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1428	}
959		1429
960	sub path($) {	1430	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1432
963	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
964	}	1434	}
965		1435
966	sub find_active($) {	1436	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1451	my $login = $_[0];
982		1452
983	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
984		1454
985	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
989	}	1472	}
990	}	1473	}
991	}	1474	}
992		1475
…		…
1001	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1002		1485
1003	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1005		1488
		1489	cf::get_slot 0.01;
		1490
1006	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1007	Coro::cede;	1492	cf::cede_to_tick;
1008	}	1493	}
1009		1494
1010	sub new($) {	1495	sub new($) {
1011	my ($login) = @_;	1496	my ($login) = @_;
1012		1497
…		…
1018	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1019		1504
1020	$self	1505	$self
1021	}	1506	}
1022		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
1023	=item $pl->quit_character	1518	=item $pl->quit_character
1024		1519
1025	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1027		1522
1028	=cut	1523	=cut
1029		1524
1030	sub quit_character {	1525	sub quit_character {
1031	my ($pl) = @_;	1526	my ($pl) = @_;
1032		1527
		1528	my $name = $pl->ob->name;
		1529
1033	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1034	$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
1035		1532
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1040		1539
1041	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1566	}
1048		1567
1049	=item cf::player::list_logins	1568	=item cf::player::list_logins
1050		1569
1051	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
1052	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1053		1572
1054	=cut	1573	=cut
1055		1574
1056	sub list_logins {	1575	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1577	or return [];
1059		1578
1060	my @logins;	1579	my @logins;
1061		1580
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1066		1591
1067	utf8::decode $login;	1592	utf8::decode $login;
1068	push @logins, $login;	1593	push @logins, $login;
1069	}	1594	}
1070		1595
…		…
1097	}	1622	}
1098		1623
1099	\@paths	1624	\@paths
1100	}	1625	}
1101		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1103		1632
1104	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1105		1634
1106	=cut	1635	=cut
1107		1636
1108	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1110		1639
1111	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1641	}
1115		1642
1116	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	}
1117		1683
1118	=back	1684	=back
1119
1120		1685
1121	=head3 cf::map	1686	=head3 cf::map
1122		1687
1123	=over 4	1688	=over 4
1124		1689
…		…
1136	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1138		1703
1139	sub generate_random_map {	1704	sub generate_random_map {
1140	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
1141	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1710	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1180		1748
1181	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1182	local $self->{path};	1750	local $self->{path};
1183	local $self->{load_path};	1751	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1752
1187	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1188	}	1754	}
1189		1755
1190	sub normalise {	1756	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1238	return $self;	1804	return $self;
1239	}	1805	}
1240	}	1806	}
1241		1807
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1809	()
1244	}	1810	}
1245		1811
1246	sub init {	1812	sub init {
1247	my ($self) = @_;	1813	my ($self) = @_;
…		…
1262		1828
1263	# the original (read-only) location	1829	# the original (read-only) location
1264	sub load_path {	1830	sub load_path {
1265	my ($self) = @_;	1831	my ($self) = @_;
1266		1832
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1268	}	1834	}
1269		1835
1270	# the temporary/swap location	1836	# the temporary/swap location
1271	sub save_path {	1837	sub save_path {
1272	my ($self) = @_;	1838	my ($self) = @_;
1273		1839
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1276	}	1842	}
1277		1843
1278	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1279	sub uniq_path {	1845	sub uniq_path {
1280	my ($self) = @_;	1846	my ($self) = @_;
1281		1847
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1284	}	1850	}
1285		1851
1286	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1287	# all maps in C++...	1853	# all maps in C++...
1288	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1290		1856
1291	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1293	}	1859	}
1294		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1295	sub unlink_save {	1869	sub unlink_save {
1296	my ($self) = @_;	1870	my ($self) = @_;
1297		1871
1298	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1874	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1875	}
1307		1876
1308	sub load_header_from($) {	1877	sub load_header_from($) {
1309	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1310		1879
1311	utf8::encode $path;	1880	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1317		1889
1318	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1319		1891
1320	1	1892	1
1321	}	1893	}
…		…
1360	$self->load_header_orig	1932	$self->load_header_orig
1361	or return;	1933	or return;
1362	$self->prepare_orig;	1934	$self->prepare_orig;
1363	}	1935	}
1364		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
1365	1	1943	1
1366	}	1944	}
1367		1945
1368	sub find;	1946	sub find;
1369	sub find {	1947	sub find {
1370	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1371		1949
1372	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1373		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1375		1954
1376	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1377	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1378	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1379	or return;	1960	or return;
1380		1961
1381	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1382		1963
1383	$map->load_header	1964	$map->load_header
1384	or return;	1965	or return;
1385		1966
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1389	$map->reset;	1972	$map->reset;
1390	undef $guard;
1391	return find $path;	1973	return find $path;
1392	}	1974	}
1393		1975
1394	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1395	}	1977	}
…		…
1402	my ($self) = @_;	1984	my ($self) = @_;
1403		1985
1404	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1405		1987
1406	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1408		1992
		1993	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		1995
1411	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1412		1997
1413	$self->alloc;	1998	$self->alloc;
1414		1999
1415	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1416		2002
1417	$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)
1418	or return;	2006	or return;
1419		2007
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1421	if delete $self->{load_original};	2009	if delete $self->{load_original};
1422		2010
1423	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2012	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2015	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1428	}	2019	}
1429	}	2020	}
1430		2021
1431	Coro::cede;	2022	$f->resolve_delayed_derefs;
1432		2023
		2024	cf::cede_to_tick;
1433	# now do the right thing for maps	2025	# now do the right thing for maps
1434	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2028	unless $self->difficulty;
1444	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;
1445	$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);
1446	}	2045	}
1447		2046
1448	$self->post_load;	2047	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2048	}
1452		2049
1453	sub customise_for {	2050	sub customise_for {
1454	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1455		2052
1456	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2054	if $self->per_player;
1458		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1459	$self	2059	$self
1460	}	2060	}
1461		2061
1462	# 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
1463	sub load_diag {	2063	sub load_neighbours {
1464	my ($map) = @_;	2064	my ($map) = @_;
1465		2065
1466	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1467		2067
1468	for (0 .. 3) {	2068	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1470	or next;	2070	or next;
1471	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1472	or next;	2072	or next;
1473	$neigh->load;	2073	$neigh->load;
1474		2074
		2075	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2078	}
1478		2079
1479	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1481	or next;	2083	or next;
1482	$neigh->load;	2084	$neigh->load;
1483	}	2085	}
1484	}	2086	}
1485		2087
…		…
1490	}	2092	}
1491		2093
1492	sub do_load_sync {	2094	sub do_load_sync {
1493	my ($map) = @_;	2095	my ($map) = @_;
1494		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1495	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1496	}	2101	}
1497		2102
1498	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1500		2105
1501	sub find_async {	2106	sub find_async {
1502	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1503		2108
1504	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1505		2110
1506	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2113	}
1509		2114
1510	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1511	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1512	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2122	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2123	$map->load if $v;
		2124	}
1517		2125
1518	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1519	}	2127	}
1520	}	2128	}
1521	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1522	};	2130	};
1523	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2134	}
1527		2135
1528	sub save {	2136	sub save {
1529	my ($self) = @_;	2137	my ($self) = @_;
1530		2138
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2140
1533	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1534		2142
1535	return unless $self->dirty;	2143	return unless $self->dirty;
1536		2144
…		…
1542	return if $self->{deny_save};	2150	return if $self->{deny_save};
1543		2151
1544	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1545		2153
1546	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1548	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1549		2160
1550	if ($uniq) {	2161	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2164	} else {
…		…
1559	my ($self) = @_;	2170	my ($self) = @_;
1560		2171
1561	# save first because save cedes	2172	# save first because save cedes
1562	$self->save;	2173	$self->save;
1563		2174
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2176
1566	return if $self->players;	2177	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2179	return if $self->{deny_save};
1569		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2185	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2186	}
1573		2187
1574	sub reset_at {	2188	sub reset_at {
1575	my ($self) = @_;	2189	my ($self) = @_;
1576		2190
1577	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1580		2193
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	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;
1583		2196
…		…
1594	my ($self) = @_;	2207	my ($self) = @_;
1595		2208
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2210
1598	return if $self->players;	2211	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2212
1601	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	}
1602		2224
1603	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1604		2226
1605	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2229	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2230
1610	$self->unlink_save;	2231	$self->unlink_save;
1611	$self->destroy;	2232	$self->destroy;
1612	}	2233	}
1613		2234
1614	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1615		2236
1616	sub nuke {	2237	sub nuke {
1617	my ($self) = @_;	2238	my ($self) = @_;
1618		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1619	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1620		2244
1621	$self->unlink_save;	2245	$self->unlink_save;
1622		2246
1623	bless $self, "cf::map";	2247	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2252
1629	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1630		2255
1631	$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	]
1632	}	2293	}
1633		2294
1634	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1635		2296
1636	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2298	instantiated unique items. May block.
1638		2299
1639	=cut	2300	=cut
1640		2301
1641	sub unique_maps() {	2302	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1643	or return;	2304	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2305	utf8::decode $_;
1649	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2308	? ()
1652	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2311	]
1654
1655	\@paths
1656	}	2312	}
1657
1658	package cf;
1659		2313
1660	=back	2314	=back
1661		2315
1662	=head3 cf::object	2316	=head3 cf::object
1663		2317
…		…
1667		2321
1668	=over 4	2322	=over 4
1669		2323
1670	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1671		2325
1672	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.
1673		2328
1674	=cut	2329	=cut
1675		2330
1676	sub inv_recursive_;	2331	sub inv_recursive_;
1677	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1680		2335
1681	sub inv_recursive {	2336	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1683	}	2338	}
1684		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
1685	package cf;	2368	package cf;
1686		2369
1687	=back	2370	=back
1688		2371
1689	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1695	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>
1696	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
1697	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1698		2381
1699	=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	};
1700		2397
1701	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2399	# with dialog boxes.
1703	#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
1704	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1706		2403
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2405
1709	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1714	}	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 (@_);
1715	}	2431	}
1716		2432
1717	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1718		2434
1719	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1732		2448
1733	=item $player_object->enter_link	2449	=item $player_object->enter_link
1734		2450
1735	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}>).
1736		2452
1737	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.
1738	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.
1739		2457
1740	Will never block.	2458	Will never block.
1741		2459
1742	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1743		2461
…		…
1766	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1767		2485
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2487
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1772		2490
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2492	}
1775		2493
1776	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1778		2498
1779	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1780		2500
1781	unless ($map) {	2501	unless ($map) {
1782	# restore original map position	2502	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1799		2519
1800	$map->load;	2520	$map->load;
1801	$map->load_diag;	2521	$map->load_neighbours;
1802		2522
1803	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1804	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1806	}	2529	}
1807		2530
1808	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2532
1812	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1816	};	2537	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2538
1822	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1823	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2541
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1843		2545
1844	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1845	my ($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;
1846		2551
1847	$self->enter_link;	2552	$self->enter_link;
1848		2553
1849	(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
1850	my $map = eval {	2576	my $map = eval {
1851	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1852	$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
1853	$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 $@;
1854	} or	2592	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1858	})->prio (1);	2600	})->prio (1);
1859	}	2601	}
1860		2602
1861	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1862		2604
…		…
1882	}	2624	}
1883		2625
1884	sub prepare_random_map {	2626	sub prepare_random_map {
1885	my ($exit) = @_;	2627	my ($exit) = @_;
1886		2628
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2631	# that depends on the exit object
1892		2632
1893	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2635	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1900	}	2642	}
1901		2643
1902	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1903		2645
1904	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1907		2649
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2652	undef $fh;
1911	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1912		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1915	}	2661	}
1916	}	2662	}
1917		2663
1918	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1920		2666
1921	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1922		2668
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2669	$self->enter_link;
1933		2670
1934	(async {	2671	(async {
1935	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1936	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
1937	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1938		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
1939	1;	2695	1
1940	}) {	2696	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2701
1946	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2703	$self->leave_link;
1948	}	2704	}
1949	})->prio (1);	2705	})->prio (1);
…		…
1962		2718
1963	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1965		2721
1966	utf8::encode $text;	2722	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2724	}
1969		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	}
1970		2905
1971	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
1972		2907
1973	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
1974	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>,
1975	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>.
1976		2911
1977	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
1978	reliable at some point in the future.	2913	become reliable at some point in the future.
1979		2914
1980	=cut	2915	=cut
1981		2916
1982	sub cf::client::query {	2917	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2926	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2928
1994	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
1996	}	2933	}
1997		2934
1998	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
1999	on_reply => sub {	2941	on_reply => sub {
2000	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
2001		2943
2002	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
2003	# get handled first	2945	# get handled first
2004	my $queue = delete $ns->{query_queue}	2946	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	2947	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		2948
2007	(shift @$queue)->[1]->($msg);	2949	(shift @$queue)->[1]->($msg);
		2950	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		2951
2009	push @{ $ns->{query_queue} }, @$queue;	2952	push @{ $ns->{query_queue} }, @$queue;
2010		2953
2011	if (@{ $ns->{query_queue} } == @$queue) {	2954	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	2955	if (@$queue) {
…		…
2014	} else {	2957	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	2959	}
2017	}	2960	}
2018	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($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	},
2019	);	2988	);
2020		2989
2021	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2022		2991
2023	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2064	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2066		3035
2067	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2068		3037
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2070		3043
2071	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2072		3045
2073	=pod	3046	=pod
2074		3047
2075	The following fucntions and emthods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2076		3049
2077	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2078	cf::object::player player	3054	cf::object::player
2079	cf::player peaceful	3055	player
2080	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2081		3062
2082	=cut	3063	=cut
2083		3064
2084	for (	3065	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2086	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2088	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2089	) {	3072	) {
2090	no strict 'refs';	3073	no strict 'refs';
…		…
2161	=back	3144	=back
2162		3145
2163	=cut	3146	=cut
2164		3147
2165	#############################################################################	3148	#############################################################################
		3149	# the server's init and main functions
2166		3150
2167	=head2 EXTENSION DATABASE SUPPORT	3151	sub load_facedata($) {
		3152	my ($path) = @_;
2168		3153
2169	Crossfire maintains a very simple database for extension use. It can	3154	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3155	# for this (global event?)
2171	excludes objects.	3156	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3157
2173	The parameter C<$family> should best start with the name of the extension	3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3159
2176	=over 4	3160	warn "loading facedata from $path\n";
2177		3161
2178	=item $hashref = cf::db_get $family	3162	my $facedata;
		3163	0 < aio_load $path, $facedata
		3164	or die "$path: $!";
2179		3165
2180	Return a hashref for use by the extension C<$family>, which can be	3166	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3167
2184	=item $value = cf::db_get $family => $key	3168	$facedata->{version} == 2
		3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3170
2186	Returns a single value from the database	3171	# patch in the exptable
2187		3172	$facedata->{resource}{"res/exp_table"} = {
2188	=item cf::db_put $family => $hashref	3173	type => FT_RSRC,
2189		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3175	};
		3176	cf::cede_to_tick;
2216		3177
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3178	{
		3179	my $faces = $facedata->{faceinfo};
2228		3180
2229	my $dirty;	3181	while (my ($face, $info) = each %$faces) {
		3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3183
2231	sub db_sync() {	3184	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3185	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2234	}	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2235		3188
2236	my $idle = Event->idle (	3189	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3190	}
2270	);
2271	}
2272		3191
2273	#############################################################################	3192	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3193	next unless $info->{smooth};
2275		3194
2276	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 {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3346	or return;
2279		3347
2280	local $/;	3348	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2282		3350
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3352
2285	$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};
2286	$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};
…		…
2292	};	3360	};
2293	warn $@ if $@;	3361	warn $@ if $@;
2294	}	3362	}
2295	}	3363	}
2296		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
2297	sub main {	3384	sub main {
		3385	atomic;
		3386
2298	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2300	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#
2301	(async {	3390	(async {
2302	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2304	};	3394	};
2305		3395
2306	cfg_load;	3396	{
2307	db_load;	3397	my $guard = freeze_mainloop;
		3398	reload_config;
		3399	db_init;
2308	load_extensions;	3400	load_extensions;
2309		3401
2310	$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
2311	Event::loop;	3410	EV::loop;
2312	}	3411	}
2313		3412
2314	#############################################################################	3413	#############################################################################
2315	# initialisation and cleanup	3414	# initialisation and cleanup
2316		3415
2317	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2318	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2327	},
2328	);	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
2329	}	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($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2330	}	3503	}
2331		3504
2332	sub emergency_save() {	3505	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2334		3507
…		…
2340	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2342	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3519	$pl->save;
2346	}	3520	}
2347	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2348		3522
2349	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2351	my $map = $cf::MAP{$path} or next;	3525	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3526	$map->valid or next;
2353	$map->save;	3527	$map->save;
2354	}	3528	}
2355	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
		3530
		3531	warn "begin emergency database checkpoint\n";
		3532	BDB::db_env_txn_checkpoint $DB_ENV;
		3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2356	};	3538	};
2357		3539
2358	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2359	}	3541	}
2360		3542
		3543	sub post_cleanup {
		3544	my ($make_core) = @_;
		3545
		3546	warn Carp::longmess "post_cleanup backtrace"
		3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
		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 $RELOAD; # how many times to reload
		3580
2361	sub reload() {	3581	sub do_reload_perl() {
2362	# can/must only be called in main	3582	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2365	return;	3585	return;
2366	}	3586	}
2367		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2368	warn "reloading...";	3591	warn "reloading...";
2369		3592
2370	warn "cancelling server ticker";	3593	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3594
		3595	cf::sync_job {
		3596	cf::write_runtime_sync; # external watchdog should not bark
2373	cf::emergency_save;	3597	cf::emergency_save;
		3598	cf::write_runtime_sync; # external watchdog should not bark
2374		3599
2375	eval {	3600	warn "syncing database to disk";
		3601	BDB::db_env_txn_checkpoint $DB_ENV;
		3602
2376	# 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
2377		3604
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385
2386	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2387	for (;;) {	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2388	IO::AIO::flush;	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2389	Coro::cede;
2390	last unless IO::AIO::nreqs;
2391	warn "iterate...";
2392	}
2393
2394	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();
2397
2398	warn "removing commands";
2399	%COMMAND = ();
2400
2401	warn "removing ext commands";
2402	%EXTCMD = ();
2403
2404	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";
2407
2408	if (my $cb = $pkg->can ("unload")) {
2409	eval {
2410	$cb->($pkg);
2411	1
2412	} or warn "$pkg unloaded, but with errors: $@";
2413	}	3608	}
2414		3609
2415	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2416	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2417	}	3612	%EXT_CORO = ();
2418		3613
2419	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2420	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2422		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2423	warn "... unloading $k";	3623	warn "... unloading $pkg";
2424	delete $INC{$k};
2425		3624
2426	$k =~ s/\.pm$//;
2427	$k =~ s/\//::/g;
2428
2429	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2430	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2431	}	3634	}
2432		3635
2433	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 $k;
2434	}	3651	}
2435		3652
2436	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2437	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2438	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);
2439		3656
2440	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2442		3660
2443	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3662	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2446		3664
2447	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2448		3666
2449	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2450	require cf;	3668	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3670
2453	warn "loading config and database again";	3671	warn "loading config and database again";
2454	cf::cfg_load;	3672	cf::reload_config;
2455	cf::db_load;
2456		3673
2457	warn "loading extensions";	3674	warn "loading extensions";
2458	cf::load_extensions;	3675	cf::load_extensions;
2459		3676
2460	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3678	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2464		3683
2465	warn "restarting server ticker";	3684	warn "leaving sync_job";
2466		3685
2467	$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 $RELOAD_WATCHER;
2468	};	3706	};
2469		3707	}
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475
2476	warn "reloaded";
2477	};
2478
2479	our $RELOAD_WATCHER; # used only during reload
2480		3708
2481	register_command "reload" => sub {	3709	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2483		3711
2484	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
2486		3714	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	3715	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	3716	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	3717	};
2499	}	3718	}
2500	};	3719	};
2501		3720
2502	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2503		3722
2504	my $bug_warning = 0;	3723	my $bug_warning = 0;
2505		3724
2506	$TICK_WATCHER = Event->timer (	3725	our @WAIT_FOR_TICK;
2507	reentrant => 0,	3726	our @WAIT_FOR_TICK_BEGIN;
2508	parked => 1,	3727
2509	prio => 0,	3728	sub wait_for_tick {
2510	at => $NEXT_TICK || $TICK,	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2511	data => WF_AUTOCANCEL,	3730
2512	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	$signal->wait;
		3742	}
		3743
		3744	sub tick {
2513	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2516	return;	3748	return;
2517	}	3749	}
2518		3750
2519	$NOW = Event::time;
2520
2521	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524		3752
2525	$WAIT_FOR_TICK->broadcast;	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2527		3755	Coro::async_pool {
2528	Event::sweep;	3756	$Coro::current->{desc} = "runtime saver";
2529	Coro::cede_notself;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},
2540	);
2541
2542	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553
2554	$WRITE_RUNTIME_WATCHER = Event->timer (
2555	reentrant => 0,
2556	data => WF_AUTOCANCEL,
2557	after => 1,
2558	interval => 10,
2559	prio => 6, # keep it lowest so it acts like a watchdog
2560	cb => Coro::unblock_sub {
2561	write_runtime	3757	write_runtime_sync
2562	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
		3759	};
2563	},	3760	}
2564	);	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;
2565		3875
2566	END { cf::emergency_save }	3876	END { cf::emergency_save }
2567		3877
2568	1	3878	1
2569		3879

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