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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 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 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
		83	our $RELOAD; # number of reloads so far
48	our @EVENT;	84	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		85
51	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	87	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
54	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
55	our $NEXT_TICK;	104	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	110	our $DB_ENV;
61		111
62	our %CFG;	112	our %CFG;
63		113
64	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
66		117
67	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		121
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $TICK_START; # for load detecting purposes
		129
79	binmode STDOUT;	130	binmode STDOUT;
80	binmode STDERR;	131	binmode STDERR;
81		132
82	# read virtual server time, if available	133	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
87	}	138	}
88		139
89	mkdir cf::localdir;	140	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		142
96	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
97		144
98	sub cf::map::normalise;	145	sub cf::map::normalise;
99		146
…		…
110	=item $cf::RUNTIME	157	=item $cf::RUNTIME
111		158
112	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
113	every server tick.	160	every server tick.
114		161
115	=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
116		165
117	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		170
120	=item $cf::NOW	171	=item $cf::NOW
121		172
122	The time of the last (current) server tick.	173	The time of the last (current) server tick.
123		174
124	=item $cf::TICK	175	=item $cf::TICK
125		176
126	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	189	=item %cf::CFG
129		190
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	192	from wherever your confdir points to.
132		193
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		195
135	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
136	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
137	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.
138	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.
139		205
140	=back	206	=back
141		207
142	=cut	208	=cut
143		209
144	BEGIN {	210	BEGIN {
145	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	212	my $msg = join "", @_;
147	utf8::encode $msg;
148		213
149	$msg .= "\n"	214	$msg .= "\n"
150	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
151		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
152	LOG llevError, $msg;	219	LOG llevError, $msg;
153	};	220	};
154	}	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#?
155		237
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		245
163	# 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
164	# within the Safe compartment.	247	# within the Safe compartment.
165	for my $pkg (qw(	248	for my $pkg (qw(
166	cf::global cf::attachable	249	cf::global cf::attachable
167	cf::object cf::object::player	250	cf::object cf::object::player
168	cf::client cf::player	251	cf::client cf::player
169	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
170	cf::map cf::party cf::region	254	cf::party cf::region
171	)) {	255	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	257	}
175		258
176	$Event::DIED = sub {	259	$EV::DIED = sub {
177	warn "error in event callback: @_";	260	warn "error in event callback: @_";
178	};	261	};
		262
		263	#############################################################################
179		264
180	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
181		266
182	=over 4	267	=over 4
183		268
…		…
202	$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;
203	$d	288	$d
204	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
205	}	290	}
206		291
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
210		293
211	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
212		295
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
221		297
222	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
223		299
224	=cut	300	=cut
225		301
226	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
228	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
230		306
231	=item cf::lock_wait $string	307	=item cf::lock_wait $string
232		308
233	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
234		310
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
240	returned.	316	returned.
241		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
242	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
243	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
244		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
245	=cut	328	=cut
246		329
247	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
248		332
249	sub lock_wait($) {	333	sub lock_wait($) {
250	my ($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#
251		340
252	# wait for lock, if any	341	# wait for lock, if any
253	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	344	Coro::schedule;
…		…
261		350
262	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
263	lock_wait $key;	352	lock_wait $key;
264		353
265	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
266		356
267	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
270	}	361	}
271	}	362	}
272		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
273	sub freeze_mainloop {	370	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
275		372
276	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	374	}
278	$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($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
279	};	434	}
280	$WRITE_RUNTIME_WATCHER->stop;	435	};
281	$TICK_WATCHER->stop;	436
282	$guard	437	sub get_slot($;$$) {
		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	$sig->wait;
283	}	449	}
284		450
285	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
286		452
287	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		458
293	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
294		460
295	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
296		462
297	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
300		467
301	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
304	fast or be very important.	471	fast or be very important.
…		…
307		474
308	sub sync_job(&) {	475	sub sync_job(&) {
309	my ($job) = @_;	476	my ($job) = @_;
310		477
311	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
312	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
314		483
315	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	485
317	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
318		487
319	my $busy = 1;	488	my $busy = 1;
320	my @res;	489	my @res;
321		490
322	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	493	@res = eval { $job->() };
324	warn $@ if $@;	494	warn $@ if $@;
325	undef $busy;	495	undef $busy;
326	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
327		497
328	while ($busy) {	498	while ($busy) {
329	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
330	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
331		509
332	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
333	} else {	511	} else {
334	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
335		513
…		…
355	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
356		534
357	$coro	535	$coro
358	}	536	}
359		537
360	sub write_runtime {	538	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		539
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	Executes the given code block with the given arguments in a seperate
364	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.
365		544
366	my $value = $cf::RUNTIME + 90 + 10;	545	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		546
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub fork_call(&@) {
371	and return;	548	my ($cb, @args) = @_;
372		549
373	# always fsync - this file is important	550	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	551	# otherwise perl prematurely frees the stuff :/
375	and return;	552	# TODO: investigate and fix (likely this will be rather laborious)
376		553
377	close $fh	554	my @res = Coro::Util::fork_eval {
378	or return;	555	reset_signals;
		556	&$cb
		557	}, @args;
379		558
380	aio_rename "$runtime~", $runtime	559	wantarray ? @res : $res[-1]
381	and return;	560	}
382		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($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
383	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		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 });
384	}	725	}
385		726
386	=back	727	=back
387		728
388	=cut	729	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
397		738
398	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>
399	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
400	crossfire+).	741	Deliantra).
401		742
402	=over 4	743	=over 4
403		744
404	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
405		746
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
569		910
570	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		915
575	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	917	my $pkg = shift @arg;
577		918
578	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
608	}	949	}
609		950
610	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
611	} else {	952	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	954	}
614		955
615	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
616	}	957	}
617		958
…		…
619	if (ref $_[0]) {	960	if (ref $_[0]) {
620	_object_attach @_;	961	_object_attach @_;
621	} else {	962	} else {
622	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
623	}	964	}
		965	_recalc_want;
624	};	966	};
625		967
626	# all those should be optimised	968	# all those should be optimised
627	sub cf::attachable::detach {	969	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
632	reattach ($obj);	974	reattach ($obj);
633	} else {	975	} else {
634	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
635	}	977	}
		978	_recalc_want;
636	};	979	};
637		980
638	sub cf::attachable::attached {	981	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
640		983
…		…
655	";	998	";
656	die if $@;	999	die if $@;
657	}	1000	}
658		1001
659	our $override;	1002	our $override;
660	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?
661		1004
662	sub override {	1005	sub override {
663	$override = 1;	1006	$override = 1;
664	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
665	}	1008	}
666		1009
667	sub do_invoke {	1010	sub do_invoke {
668	my $event = shift;	1011	my $event = shift;
669	my $callbacks = shift;	1012	my $callbacks = shift;
670		1013
671	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
672		1015
673	local $override;	1016	local $override;
674		1017
675	for (@$callbacks) {	1018	for (@$callbacks) {
676	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
685	}	1028	}
686		1029
687	0	1030	0
688	}	1031	}
689		1032
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1034
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1036
694	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
695		1038
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1042
700	=back	1043	=back
701		1044
702	=cut	1045	=cut
703		1046
704	#############################################################################	1047	#############################################################################
705	# 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, $ob2
		1090	}
706		1091
707	sub reattach {	1092	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1094	my ($obj) = @_;
710		1095
		1096	# no longer needed after getting rid of delete_package?
711	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
712		1098
713	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
714		1100
715	@$registry = ();	1101	@$registry = ();
716		1102
…		…
731	cf::attachable->attach (	1117	cf::attachable->attach (
732	prio => -1000000,	1118	prio => -1000000,
733	on_instantiate => sub {	1119	on_instantiate => sub {
734	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
735		1121
736	$data = from_json $data;	1122	$data = decode_json $data;
737		1123
738	for (@$data) {	1124	for (@$data) {
739	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
740		1126
741	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1143	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
759		1145
760	sync_job {	1146	sync_job {
761	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
764		1151
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1156	aio_close $fh;
770		1157
771	if (@$objs) {	1158	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1164	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
779	}	1166	}
780	} else {	1167	} else {
781	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
782	}	1169	}
…		…
787	}	1174	}
788	} else {	1175	} else {
789	aio_unlink $filename;	1176	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
791	}	1178	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1179	};
799	}	1180	}
800		1181
801	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
803		1184
…		…
808		1189
809	sub object_thawer_load {	1190	sub object_thawer_load {
810	my ($filename) = @_;	1191	my ($filename) = @_;
811		1192
812	my ($data, $av);	1193	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1194
817	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
818	or return;	1196	or return;
819		1197
820	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
822	or return;	1200	or return;
		1201
823	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
824	}	1204	}
825		1205
		1206	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
828	return ($data, $av);	1210	($data, $av)
829	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
830		1218
831	#############################################################################	1219	#############################################################################
832	# command handling &c	1220	# command handling &c
833		1221
834	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1236	}
849		1237
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1239
852	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.
853		1245
854	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
855	called.	1247	called.
856		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
857	=cut	1260	=cut
858		1261
859	sub register_extcmd {	1262	sub register_extcmd {
860	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
861		1264
862	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
863	}	1272	}
864		1273
865	cf::player->attach (	1274	cf::player->attach (
866	on_command => sub {	1275	on_command => sub {
867	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1285	cf::override;
877	},	1286	},
878	on_extcmd => sub {	1287	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
880		1289
881	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1291
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
889	} else {	1307	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1309	}
892		1310
893	cf::override;	1311	cf::override;
894	},	1312	},
895	);	1313	);
896		1314
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
932	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1320	next unless -r $path;
934	eval {	1321
935	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	$progress = 1;
936	1	1378	}
937	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
938	}	1384	};
939	}	1385	}
940		1386
941	#############################################################################	1387	#############################################################################
942		1388
		1389	=back
		1390
943	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
944		1392
945	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
946		1394
947	=cut	1395	=cut
…		…
952		1400
953	=head3 cf::player	1401	=head3 cf::player
954		1402
955	=over 4	1403	=over 4
956		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
957	=item cf::player::find $login	1419	=item cf::player::find $login
958		1420
959	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
960		1422
961	=cut	1423	=cut
962		1424
963	sub playerdir($) {	1425	sub playerdir($) {
964	cf::localdir	1426	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1428	}
970		1429
971	sub path($) {	1430	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1432
974	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
975	}	1434	}
976		1435
977	sub find_active($) {	1436	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1451	my $login = $_[0];
993		1452
994	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
995		1454
996	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1000	}	1472	}
1001	}	1473	}
1002	}	1474	}
1003		1475
…		…
1012	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1013		1485
1014	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1016		1488
		1489	cf::get_slot 0.01;
		1490
1017	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1018	Coro::cede;	1492	cf::cede_to_tick;
1019	}	1493	}
1020		1494
1021	sub new($) {	1495	sub new($) {
1022	my ($login) = @_;	1496	my ($login) = @_;
1023		1497
…		…
1029	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1030		1504
1031	$self	1505	$self
1032	}	1506	}
1033		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
1034	=item $pl->quit_character	1518	=item $pl->quit_character
1035		1519
1036	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1038		1522
1039	=cut	1523	=cut
1040		1524
1041	sub quit_character {	1525	sub quit_character {
1042	my ($pl) = @_;	1526	my ($pl) = @_;
1043		1527
		1528	my $name = $pl->ob->name;
		1529
1044	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1045	$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
1046		1532
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1051		1539
1052	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1566	}
1059		1567
1060	=item cf::player::list_logins	1568	=item cf::player::list_logins
1061		1569
1062	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
1063	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1064		1572
1065	=cut	1573	=cut
1066		1574
1067	sub list_logins {	1575	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1577	or return [];
1070		1578
1071	my @logins;	1579	my @logins;
1072		1580
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1077		1591
1078	utf8::decode $login;	1592	utf8::decode $login;
1079	push @logins, $login;	1593	push @logins, $login;
1080	}	1594	}
1081		1595
…		…
1108	}	1622	}
1109		1623
1110	\@paths	1624	\@paths
1111	}	1625	}
1112		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1114		1632
1115	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1116		1634
1117	=cut	1635	=cut
1118		1636
1119	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1121		1639
1122	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1641	}
1126		1642
1127	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	}
1128		1683
1129	=back	1684	=back
1130
1131		1685
1132	=head3 cf::map	1686	=head3 cf::map
1133		1687
1134	=over 4	1688	=over 4
1135		1689
…		…
1147	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1149		1703
1150	sub generate_random_map {	1704	sub generate_random_map {
1151	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
1152	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1710	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1191		1748
1192	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1193	local $self->{path};	1750	local $self->{path};
1194	local $self->{load_path};	1751	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1752
1198	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1199	}	1754	}
1200		1755
1201	sub normalise {	1756	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1249	return $self;	1804	return $self;
1250	}	1805	}
1251	}	1806	}
1252		1807
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1809	()
1255	}	1810	}
1256		1811
1257	sub init {	1812	sub init {
1258	my ($self) = @_;	1813	my ($self) = @_;
…		…
1273		1828
1274	# the original (read-only) location	1829	# the original (read-only) location
1275	sub load_path {	1830	sub load_path {
1276	my ($self) = @_;	1831	my ($self) = @_;
1277		1832
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1279	}	1834	}
1280		1835
1281	# the temporary/swap location	1836	# the temporary/swap location
1282	sub save_path {	1837	sub save_path {
1283	my ($self) = @_;	1838	my ($self) = @_;
1284		1839
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1287	}	1842	}
1288		1843
1289	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1290	sub uniq_path {	1845	sub uniq_path {
1291	my ($self) = @_;	1846	my ($self) = @_;
1292		1847
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1295	}	1850	}
1296		1851
1297	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1298	# all maps in C++...	1853	# all maps in C++...
1299	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1301		1856
1302	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1304	}	1859	}
1305		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1306	sub unlink_save {	1869	sub unlink_save {
1307	my ($self) = @_;	1870	my ($self) = @_;
1308		1871
1309	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1874	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1875	}
1318		1876
1319	sub load_header_from($) {	1877	sub load_header_from($) {
1320	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1321		1879
1322	utf8::encode $path;	1880	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1889
1329	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1330		1891
1331	1	1892	1
1332	}	1893	}
…		…
1371	$self->load_header_orig	1932	$self->load_header_orig
1372	or return;	1933	or return;
1373	$self->prepare_orig;	1934	$self->prepare_orig;
1374	}	1935	}
1375		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
1376	1	1943	1
1377	}	1944	}
1378		1945
1379	sub find;	1946	sub find;
1380	sub find {	1947	sub find {
1381	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1382		1949
1383	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1384		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1386		1954
1387	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1389	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1390	or return;	1960	or return;
1391		1961
1392	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1393		1963
1394	$map->load_header	1964	$map->load_header
1395	or return;	1965	or return;
1396		1966
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1400	$map->reset;	1972	$map->reset;
1401	undef $guard;
1402	return find $path;	1973	return find $path;
1403	}	1974	}
1404		1975
1405	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1406	}	1977	}
…		…
1413	my ($self) = @_;	1984	my ($self) = @_;
1414		1985
1415	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1416		1987
1417	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1419		1992
		1993	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1995
1422	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1423		1997
1424	$self->alloc;	1998	$self->alloc;
1425		1999
1426	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1427		2002
1428	$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)
1429	or return;	2006	or return;
1430		2007
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1432	if delete $self->{load_original};	2009	if delete $self->{load_original};
1433		2010
1434	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2012	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2015	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1439	}	2019	}
1440	}	2020	}
1441		2021
1442	Coro::cede;	2022	$f->resolve_delayed_derefs;
1443		2023
		2024	cf::cede_to_tick;
1444	# now do the right thing for maps	2025	# now do the right thing for maps
1445	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2028	unless $self->difficulty;
1455	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;
1456	$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);
1457	}	2045	}
1458		2046
1459	$self->post_load;	2047	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2048	}
1463		2049
1464	sub customise_for {	2050	sub customise_for {
1465	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1466		2052
1467	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2054	if $self->per_player;
1469		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1470	$self	2059	$self
1471	}	2060	}
1472		2061
1473	# 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
1474	sub load_diag {	2063	sub load_neighbours {
1475	my ($map) = @_;	2064	my ($map) = @_;
1476		2065
1477	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1478		2067
1479	for (0 .. 3) {	2068	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1481	or next;	2070	or next;
1482	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1483	or next;	2072	or next;
1484	$neigh->load;	2073	$neigh->load;
1485		2074
		2075	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2078	}
1489		2079
1490	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1492	or next;	2083	or next;
1493	$neigh->load;	2084	$neigh->load;
1494	}	2085	}
1495	}	2086	}
1496		2087
…		…
1501	}	2092	}
1502		2093
1503	sub do_load_sync {	2094	sub do_load_sync {
1504	my ($map) = @_;	2095	my ($map) = @_;
1505		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1506	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1507	}	2101	}
1508		2102
1509	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1511		2105
1512	sub find_async {	2106	sub find_async {
1513	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1514		2108
1515	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1516		2110
1517	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2113	}
1520		2114
1521	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1522	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1523	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2122	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2123	$map->load if $v;
		2124	}
1528		2125
1529	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1530	}	2127	}
1531	}	2128	}
1532	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1533	};	2130	};
1534	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2134	}
1538		2135
1539	sub save {	2136	sub save {
1540	my ($self) = @_;	2137	my ($self) = @_;
1541		2138
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2140
1544	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1545		2142
1546	return unless $self->dirty;	2143	return unless $self->dirty;
1547		2144
…		…
1553	return if $self->{deny_save};	2150	return if $self->{deny_save};
1554		2151
1555	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1556		2153
1557	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1559	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1560		2160
1561	if ($uniq) {	2161	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2164	} else {
…		…
1570	my ($self) = @_;	2170	my ($self) = @_;
1571		2171
1572	# save first because save cedes	2172	# save first because save cedes
1573	$self->save;	2173	$self->save;
1574		2174
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2176
1577	return if $self->players;	2177	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2179	return if $self->{deny_save};
1580		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2185	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2186	}
1584		2187
1585	sub reset_at {	2188	sub reset_at {
1586	my ($self) = @_;	2189	my ($self) = @_;
1587		2190
1588	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1591		2193
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2196
…		…
1605	my ($self) = @_;	2207	my ($self) = @_;
1606		2208
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2210
1609	return if $self->players;	2211	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2212
1612	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1613		2214
1614	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1615		2216
1616	# need to save uniques path	2217	# need to save uniques path
1617	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2222	if $uniq;
1622	}	2223	}
1623		2224
1624	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1625		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2229	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2230
1630	$self->unlink_save;	2231	$self->unlink_save;
1631	$self->destroy;	2232	$self->destroy;
1632	}	2233	}
1633		2234
1634	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1635		2236
1636	sub nuke {	2237	sub nuke {
1637	my ($self) = @_;	2238	my ($self) = @_;
1638		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1639	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1640		2244
1641	$self->unlink_save;	2245	$self->unlink_save;
1642		2246
1643	bless $self, "cf::map";	2247	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2252
1649	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1650		2255
1651	$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	]
1652	}	2293	}
1653		2294
1654	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1655		2296
1656	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2298	instantiated unique items. May block.
1658		2299
1659	=cut	2300	=cut
1660		2301
1661	sub unique_maps() {	2302	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1663	or return;	2304	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2305	utf8::decode $_;
1669	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2308	? ()
1672	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2311	]
1674
1675	\@paths
1676	}	2312	}
1677
1678	package cf;
1679		2313
1680	=back	2314	=back
1681		2315
1682	=head3 cf::object	2316	=head3 cf::object
1683		2317
…		…
1687		2321
1688	=over 4	2322	=over 4
1689		2323
1690	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1691		2325
1692	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.
1693		2328
1694	=cut	2329	=cut
1695		2330
1696	sub inv_recursive_;	2331	sub inv_recursive_;
1697	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1700		2335
1701	sub inv_recursive {	2336	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1703	}	2338	}
1704		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
1705	package cf;	2368	package cf;
1706		2369
1707	=back	2370	=back
1708		2371
1709	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1718		2381
1719	=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	};
1720		2397
1721	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2399	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1726		2403
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2405
1729	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1734	}	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 (@_);
1735	}	2431	}
1736		2432
1737	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1738		2434
1739	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1752		2448
1753	=item $player_object->enter_link	2449	=item $player_object->enter_link
1754		2450
1755	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}>).
1756		2452
1757	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.
1758	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.
1759		2457
1760	Will never block.	2458	Will never block.
1761		2459
1762	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1763		2461
…		…
1786	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1787		2485
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2487
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1792		2490
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2492	}
1795		2493
1796	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1798		2498
1799	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1800		2500
1801	unless ($map) {	2501	unless ($map) {
1802	# restore original map position	2502	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1819		2519
1820	$map->load;	2520	$map->load;
1821	$map->load_diag;	2521	$map->load_neighbours;
1822		2522
1823	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1826	}	2529	}
1827		2530
1828	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2532
1832	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1836	};	2537	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2538
1842	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2541
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1863		2545
1864	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1865	my ($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;
1866		2551
1867	$self->enter_link;	2552	$self->enter_link;
1868		2553
1869	(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
1870	my $map = eval {	2576	my $map = eval {
1871	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2592	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1878	})->prio (1);	2600	})->prio (1);
1879	}	2601	}
1880		2602
1881	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1882		2604
…		…
1902	}	2624	}
1903		2625
1904	sub prepare_random_map {	2626	sub prepare_random_map {
1905	my ($exit) = @_;	2627	my ($exit) = @_;
1906		2628
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2631	# that depends on the exit object
1912		2632
1913	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2635	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1920	}	2642	}
1921		2643
1922	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1923		2645
1924	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1927		2649
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2652	undef $fh;
1931	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1932		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1935	}	2661	}
1936	}	2662	}
1937		2663
1938	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1940		2666
1941	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1942		2668
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2669	$self->enter_link;
1953		2670
1954	(async {	2671	(async {
1955	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1956	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
1957	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1958		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
1959	1;	2695	1
1960	}) {	2696	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2701
1966	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2703	$self->leave_link;
1968	}	2704	}
1969	})->prio (1);	2705	})->prio (1);
…		…
1982		2718
1983	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1985		2721
1986	utf8::encode $text;	2722	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2724	}
1989		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
		2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2799
		2800	# check predefined channels, for the benefit of C
		2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
		2809	} elsif (ref $channel) {
		2810	# send meta info to client, if not yet sent
		2811	unless (exists $self->{channel}{$channel->{id}}) {
		2812	$self->{channel}{$channel->{id}} = $channel;
		2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
		2815	}
		2816
		2817	$channel = $channel->{id};
		2818	}
		2819
		2820	return unless @extra || length $msg;
		2821
		2822	if ($self->can_msg) {
		2823	# default colour, mask it out
		2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2825	if $color & cf::NDI_DEF;
		2826
		2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
		2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
		2843	} else {
		2844	if ($color >= 0) {
		2845	# replace some tags by gcfclient-compatible ones
		2846	for ($msg) {
		2847	1 while
		2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2853	}
		2854
		2855	$color &= cf::NDI_COLOR_MASK;
		2856
		2857	utf8::encode $msg;
		2858
		2859	if (0 && $msg =~ /\[/) {
		2860	# COMMAND/INFO
		2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2862	} else {
		2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2864	$self->send_packet ("drawinfo $color $msg")
		2865	}
		2866	}
		2867	}
		2868	}
		2869
		2870	=item $client->ext_msg ($type, @msg)
		2871
		2872	Sends an ext event to the client.
		2873
		2874	=cut
		2875
		2876	sub cf::client::ext_msg($$@) {
		2877	my ($self, $type, @msg) = @_;
		2878
		2879	if ($self->extcmd == 2) {
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2881	} elsif ($self->extcmd == 1) { # TODO: remove
		2882	push @msg, msgtype => "event_$type";
		2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2884	}
		2885	}
		2886
		2887	=item $client->ext_reply ($msgid, @msg)
		2888
		2889	Sends an ext reply to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_reply($$@) {
		2894	my ($self, $id, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2898	} elsif ($self->extcmd == 1) {
		2899	#TODO: version 1, remove
		2900	unshift @msg, msgtype => "reply", msgid => $id;
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2902	}
		2903	}
1990		2904
1991	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
1992		2906
1993	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2908	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2909	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2910
1997	Queries can fail, so check the return code. Or don't, as queries will become	2911	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2912	become reliable at some point in the future.
1999		2913
2000	=cut	2914	=cut
2001		2915
2002	sub cf::client::query {	2916	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2917	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2925	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2926	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2927
2014	$self->send_packet ($self->{query_queue}[0][0])	2928	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2929	if @{ $self->{query_queue} } == 1;
		2930
		2931	1
2016	}	2932	}
2017		2933
2018	cf::client->attach (	2934	cf::client->attach (
		2935	on_connect => sub {
		2936	my ($ns) = @_;
		2937
		2938	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2939	},
2019	on_reply => sub {	2940	on_reply => sub {
2020	my ($ns, $msg) = @_;	2941	my ($ns, $msg) = @_;
2021		2942
2022	# this weird shuffling is so that direct followup queries	2943	# this weird shuffling is so that direct followup queries
2023	# get handled first	2944	# get handled first
…		…
2035	} else {	2956	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2958	}
2038	}	2959	}
2039	},	2960	},
		2961	on_exticmd => sub {
		2962	my ($ns, $buf) = @_;
		2963
		2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2965
		2966	if (ref $msg) {
		2967	my ($type, $reply, @payload) =
		2968	"ARRAY" eq ref $msg
		2969	? @$msg
		2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2971
		2972	my @reply;
		2973
		2974	if (my $cb = $EXTICMD{$type}) {
		2975	@reply = $cb->($ns, @payload);
		2976	}
		2977
		2978	$ns->ext_reply ($reply, @reply)
		2979	if $reply;
		2980
		2981	} else {
		2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2983	}
		2984
		2985	cf::override;
		2986	},
2040	);	2987	);
2041		2988
2042	=item $client->async (\&cb)	2989	=item $client->async (\&cb)
2043		2990
2044	Create a new coroutine, running the specified callback. The coroutine will	2991	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2087		3034
2088	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2089		3036
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3037	$safe->permit_only (Opcode::opset qw(
		3038	:base_core :base_mem :base_orig :base_math
		3039	grepstart grepwhile mapstart mapwhile
		3040	sort time
		3041	));
2091		3042
2092	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2093		3044
2094	=pod	3045	=pod
2095		3046
2096	The following fucntions and emthods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2097		3048
2098	cf::object contr pay_amount pay_player map	3049	cf::object
		3050	contr pay_amount pay_player map x y force_find force_add destroy
		3051	insert remove name archname title slaying race decrease split
		3052
2099	cf::object::player player	3053	cf::object::player
2100	cf::player peaceful	3054	player
2101	cf::map trigger	3055
		3056	cf::player
		3057	peaceful
		3058
		3059	cf::map
		3060	trigger
2102		3061
2103	=cut	3062	=cut
2104		3063
2105	for (	3064	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3066	insert remove inv nrof name archname title slaying race
		3067	decrease split destroy change_exp)],
2107	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2110	) {	3071	) {
2111	no strict 'refs';	3072	no strict 'refs';
…		…
2182	=back	3143	=back
2183		3144
2184	=cut	3145	=cut
2185		3146
2186	#############################################################################	3147	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3148	# the server's init and main functions
2260		3149
		3150	sub load_facedata($) {
		3151	my ($path) = @_;
		3152
		3153	# HACK to clear player env face cache, we need some signal framework
		3154	# for this (global event?)
		3155	%ext::player_env::MUSIC_FACE_CACHE = ();
		3156
		3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3158
		3159	warn "loading facedata from $path\n";
		3160
		3161	my $facedata;
		3162	0 < aio_load $path, $facedata
		3163	or die "$path: $!";
		3164
		3165	$facedata = Coro::Storable::thaw $facedata;
		3166
		3167	$facedata->{version} == 2
		3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3169
		3170	# patch in the exptable
		3171	$facedata->{resource}{"res/exp_table"} = {
		3172	type => FT_RSRC,
		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3174	};
		3175	cf::cede_to_tick;
		3176
		3177	{
		3178	my $faces = $facedata->{faceinfo};
		3179
		3180	while (my ($face, $info) = each %$faces) {
		3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
		3183	cf::face::set_visibility $idx, $info->{visibility};
		3184	cf::face::set_magicmap $idx, $info->{magicmap};
		3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	while (my ($face, $info) = each %$faces) {
		3192	next unless $info->{smooth};
		3193
		3194	my $idx = cf::face::find $face
		3195	or next;
		3196
		3197	if (my $smooth = cf::face::find $info->{smooth}) {
		3198	cf::face::set_smooth $idx, $smooth;
		3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3200	} else {
		3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3202	}
		3203
		3204	cf::cede_to_tick;
		3205	}
		3206	}
		3207
		3208	{
		3209	my $anims = $facedata->{animinfo};
		3210
		3211	while (my ($anim, $info) = each %$anims) {
		3212	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3213	cf::cede_to_tick;
		3214	}
		3215
		3216	cf::anim::invalidate_all; # d'oh
		3217	}
		3218
		3219	{
		3220	# TODO: for gcfclient pleasure, we should give resources
		3221	# that gcfclient doesn't grok a >10000 face index.
		3222	my $res = $facedata->{resource};
		3223
		3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
		3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3227	my $data;
		3228
		3229	if ($info->{type} & 1) {
		3230	# prepend meta info
		3231
		3232	my $meta = $enc->encode ({
		3233	name => $name,
		3234	%{ $info->{meta} || {} },
		3235	});
		3236
		3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
		3244	} else {
		3245	$RESOURCE{$name} = $info;
		3246	}
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3253
		3254	1
		3255	}
		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
		3276
		3277	register_exticmd fx_want => sub {
		3278	my ($ns, $want) = @_;
		3279
		3280	while (my ($k, $v) = each %$want) {
		3281	$ns->fx_want ($k, $v);
		3282	}
		3283	};
		3284
2261	sub load_resources {	3285	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
		3294
		3295	sub reload_regions {
		3296	# HACK to clear player env face cache, we need some signal framework
		3297	# for this (global event?)
		3298	%ext::player_env::MUSIC_FACE_CACHE = ();
		3299
		3300	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3301	or die "unable to load regions file\n";
2264	}
2265		3302
2266	sub cfg_load {	3303	for (cf::region::list) {
		3304	$_->{match} = qr/$_->{match}/
		3305	if exists $_->{match};
		3306	}
		3307	}
		3308
		3309	sub reload_facedata {
		3310	load_facedata "$DATADIR/facedata"
		3311	or die "unable to load facedata\n";
		3312	}
		3313
		3314	sub reload_archetypes {
		3315	load_resource_file "$DATADIR/archetypes"
		3316	or die "unable to load archetypes\n";
		3317	}
		3318
		3319	sub reload_treasures {
		3320	load_resource_file "$DATADIR/treasures"
		3321	or die "unable to load treasurelists\n";
		3322	}
		3323
		3324	sub reload_resources {
		3325	warn "reloading resource files...\n";
		3326
		3327	reload_facedata;
		3328	reload_archetypes;
		3329	reload_regions;
		3330	reload_treasures;
		3331
		3332	warn "finished reloading resource files\n";
		3333	}
		3334
		3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
		3340	reload_resources;
		3341	}
		3342
		3343	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3345	or return;
2269		3346
2270	local $/;	3347	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2272		3349
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3351
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3359	};
2283	warn $@ if $@;	3360	warn $@ if $@;
2284	}	3361	}
2285	}	3362	}
2286		3363
2287	sub init {	3364	sub pidfile() {
2288	load_resources;	3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
2289	}	3381	}
2290		3382
2291	sub main {	3383	sub main {
		3384	atomic;
		3385
2292	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3389	(async {
2296	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2298	};	3393	};
2299		3394
2300	cfg_load;	3395	{
		3396	my $guard = freeze_mainloop;
		3397	reload_config;
2301	db_init;	3398	db_init;
2302	load_extensions;	3399	load_extensions;
2303		3400
2304	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
2305	Event::loop;	3409	EV::loop;
2306	}	3410	}
2307		3411
2308	#############################################################################	3412	#############################################################################
2309	# initialisation and cleanup	3413	# initialisation and cleanup
2310		3414
2311	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2312	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2321	},
2322	);	3421	};
		3422	}
		3423	}
		3424
		3425	sub write_runtime_sync {
		3426	# first touch the runtime file to show we are still running:
		3427	# the fsync below can take a very very long time.
		3428
		3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3430
		3431	my $guard = cf::lock_acquire "write_runtime";
		3432
		3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3434	or return;
		3435
		3436	my $value = $cf::RUNTIME + 90 + 10;
		3437	# 10 is the runtime save interval, for a monotonic clock
		3438	# 60 allows for the watchdog to kill the server.
		3439
		3440	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3441	and return;
		3442
		3443	# always fsync - this file is important
		3444	aio_fsync $fh
		3445	and return;
		3446
		3447	# touch it again to show we are up-to-date
		3448	aio_utime $fh, undef, undef;
		3449
		3450	close $fh
		3451	or return;
		3452
		3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3454	and return;
		3455
		3456	warn "runtime file written.\n";
		3457
2323	}	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2324	}	3502	}
2325		3503
2326	sub emergency_save() {	3504	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2328		3506
…		…
2334	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2336	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3518	$pl->save;
2340	}	3519	}
2341	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2342		3521
2343	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2349	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
2350		3529
2351	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2354	};	3537	};
2355		3538
2356	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2357	}	3540	}
2358		3541
		3542	sub post_cleanup {
		3543	my ($make_core) = @_;
		3544
		3545	warn Carp::longmess "post_cleanup backtrace"
		3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
		3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
		3579
2359	sub reload() {	3580	sub do_reload_perl() {
2360	# can/must only be called in main	3581	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2363	return;	3584	return;
2364	}	3585	}
2365		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2366	warn "reloading...";	3590	warn "reloading...";
2367		3591
2368	warn "cancelling server ticker";	3592	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3593
		3594	cf::sync_job {
		3595	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3596	cf::emergency_save;
		3597	cf::write_runtime_sync; # external watchdog should not bark
2372		3598
2373	eval {	3599	warn "syncing database to disk";
		3600	BDB::db_env_txn_checkpoint $DB_ENV;
		3601
2374	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
2375		3603
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	BDB::flush;
2387	IO::AIO::flush;
2388	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2390	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2391	}
2392
2393	warn "cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();
2396
2397	warn "removing commands";
2398	%COMMAND = ();
2399
2400	warn "removing ext commands";
2401	%EXTCMD = ();
2402
2403	warn "unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";
2406
2407	if (my $cb = $pkg->can ("unload")) {
2408	eval {
2409	$cb->($pkg);
2410	1
2411	} or warn "$pkg unloaded, but with errors: $@";
2412	}	3607	}
2413		3608
2414	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2415	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2416	}	3611	%EXT_CORO = ();
2417		3612
2418	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2419	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2422	warn "... unloading $k";	3622	warn "... unloading $pkg";
2423	delete $INC{$k};
2424		3623
2425	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;
2427
2428	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2429	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2430	}	3633	}
2431		3634
2432	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
2433	}	3650	}
2434		3651
2435	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		3655
2439	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
		3658	delete $INC{"cf/pod.pm"};
2441		3659
2442	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3661	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
2445		3663
2446	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
2447		3665
2448	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
2449	require cf;	3667	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2451		3669
2452	warn "loading config and database again";	3670	warn "loading config and database again";
2453	cf::cfg_load;	3671	cf::reload_config;
2454		3672
2455	warn "loading extensions";	3673	warn "loading extensions";
2456	cf::load_extensions;	3674	cf::load_extensions;
2457		3675
2458	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3677	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
		3680	warn "reattaching attachments to players";
		3681	reattach $_ for values %PLAYER;
2462		3682
2463	warn "loading reloadable resources";	3683	warn "leaving sync_job";
2464	load_resources;
2465		3684
2466	warn "restarting server ticker";	3685	1
		3686	} or do {
		3687	warn $@;
		3688	cf::cleanup "error while reloading, exiting.";
		3689	};
2467		3690
2468	$TICK_WATCHER->start;	3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
		3694	};
		3695
		3696	our $RELOAD_WATCHER; # used only during reload
		3697
		3698	sub reload_perl() {
		3699	# doing reload synchronously and two reloads happen back-to-back,
		3700	# coro crashes during coro_state_free->destroy here.
		3701
		3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3703	do_reload_perl;
		3704	undef $RELOAD_WATCHER;
2469	};	3705	};
2470		3706	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		3707
2482	register_command "reload" => sub {	3708	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
2484		3710
2485	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
2487		3713	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3714	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3715	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3716	};
2500	}	3717	}
2501	};	3718	};
2502		3719
2503	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
2504		3721
2505	my $bug_warning = 0;	3722	my $bug_warning = 0;
2506		3723
2507	$TICK_WATCHER = Event->timer (	3724	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3725	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3726
2510	prio => 0,	3727	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3728	return if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	3729
2513	cb => sub {	3730	my $signal = new Coro::Signal;
		3731	push @WAIT_FOR_TICK, $signal;
		3732	$signal->wait;
		3733	}
		3734
		3735	sub wait_for_tick_begin {
		3736	return if tick_inhibit || $Coro::current == $Coro::main;
		3737
		3738	my $signal = new Coro::Signal;
		3739	push @WAIT_FOR_TICK_BEGIN, $signal;
		3740	$signal->wait;
		3741	}
		3742
		3743	sub tick {
2514	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
2517	return;	3747	return;
2518	}	3748	}
2519		3749
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		3751
2526	$WAIT_FOR_TICK->broadcast;	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3754	Coro::async_pool {
		3755	$Coro::current->{desc} = "runtime saver";
		3756	write_runtime_sync
		3757	or warn "ERROR: unable to write runtime file: $!";
		3758	};
		3759	}
2528		3760
2529	Event::sweep;	3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2530	Coro::cede_notself;	3762	$sig->send;
		3763	}
		3764	while (my $sig = shift @WAIT_FOR_TICK) {
		3765	$sig->send;
		3766	}
		3767
		3768	$LOAD = ($NOW - $TICK_START) / $TICK;
		3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3770
		3771	if (0) {
		3772	if ($NEXT_TICK) {
		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
2531		3776	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	3777	}
2541	);	3778	}
2542		3779
2543	{	3780	{
2544	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	3782
2546	reentrant => 0,
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
2554		3784	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
2556	my $status;
2557	my $current = $Coro::current;
2558	(
2559	sub {
2560	$status = $!;
2561	$current->ready; undef $current;
2562	},
2563	sub {
2564	Coro::schedule while defined $current;
2565	$! = $status;
2566	},
2567	)
2568	};
2569		3786
2570	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2572		3794
2573	cf::sync_job {	3795	cf::sync_job {
2574	eval {	3796	eval {
2575	BDB::db_env_open	3797	BDB::db_env_open
2576	$DB_ENV,	3798	$DB_ENV,
2577	$BDB_ENV_DIR,	3799	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	3802	0666;
2581		3803
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	3805	};
2587		3806
2588	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	3808	};
2590	}	3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
2591	}	3820	}
2592		3821
2593	{	3822	{
		3823	# configure IO::AIO
		3824
2594	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	3828	}
2607		3829
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	3830	my $_log_backtrace;
2609	reentrant => 0,	3831
2610	data => WF_AUTOCANCEL,	3832	sub _log_backtrace {
2611	after => 1,	3833	my ($msg, @addr) = @_;
2612	interval => 10,	3834
2613	prio => 6, # keep it lowest so it acts like a watchdog	3835	$msg =~ s/\n//;
2614	cb => Coro::unblock_sub {	3836
2615	write_runtime	3837	# limit the # of concurrent backtraces
2616	or warn "ERROR: unable to write runtime file: $!";	3838	if ($_log_backtrace < 2) {
		3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
		3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
		3844	my @bt = fork_call {
		3845	@addr = map { sprintf "%x", $_ } @addr;
		3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3848	or die "addr2line: $!";
		3849
		3850	my @funcs;
		3851	my @res = <$fh>;
		3852	chomp for @res;
		3853	while (@res) {
		3854	my ($func, $line) = splice @res, 0, 2, ();
		3855	push @funcs, "[$func] $line";
		3856	}
		3857
		3858	@funcs
		3859	};
		3860
		3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3863	LOG llevInfo, "[ABT] $_\n" for @bt;
		3864	--$_log_backtrace;
		3865	};
		3866	} else {
		3867	LOG llevInfo, "[ABT] $msg\n";
		3868	LOG llevInfo, "[ABT] [suppressed]\n";
2617	},	3869	}
2618	);	3870	}
		3871
		3872	# load additional modules
		3873	use cf::pod;
2619		3874
2620	END { cf::emergency_save }	3875	END { cf::emergency_save }
2621		3876
2622	1	3877	1
2623		3878

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