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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
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;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
27		61
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		71
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		73
37	our %COMMAND = ();	74	our %COMMAND = ();
38	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
39		76
40	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
44		82
		83	our $RELOAD; # number of reloads so far
45	our @EVENT;	84	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		85
48	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	87	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
51	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
52	our $NEXT_TICK;	104	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	110	our $DB_ENV;
58		111
59	our %CFG;	112	our %CFG;
60		113
61	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
63		117
64	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		121
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $TICK_START; # for load detecting purposes
		129
76	binmode STDOUT;	130	binmode STDOUT;
77	binmode STDERR;	131	binmode STDERR;
78		132
79	# read virtual server time, if available	133	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
84	}	138	}
85		139
86	mkdir cf::localdir;	140	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		142
93	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
94		144
95	sub cf::map::normalise;	145	sub cf::map::normalise;
96		146
…		…
107	=item $cf::RUNTIME	157	=item $cf::RUNTIME
108		158
109	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
110	every server tick.	160	every server tick.
111		161
112	=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
113		165
114	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		170
117	=item $cf::NOW	171	=item $cf::NOW
118		172
119	The time of the last (current) server tick.	173	The time of the last (current) server tick.
120		174
121	=item $cf::TICK	175	=item $cf::TICK
122		176
123	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	189	=item %cf::CFG
126		190
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	192	from wherever your confdir points to.
129		193
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		195
132	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
133	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
134	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.
135	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.
136		205
137	=back	206	=back
138		207
139	=cut	208	=cut
140		209
141	BEGIN {	210	BEGIN {
142	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	212	my $msg = join "", @_;
144	utf8::encode $msg;
145		213
146	$msg .= "\n"	214	$msg .= "\n"
147	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
148		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
149	LOG llevError, $msg;	219	LOG llevError, $msg;
150	};	220	};
151	}	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#?
152		237
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		245
160	# 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
161	# within the Safe compartment.	247	# within the Safe compartment.
162	for my $pkg (qw(	248	for my $pkg (qw(
163	cf::global cf::attachable	249	cf::global cf::attachable
164	cf::object cf::object::player	250	cf::object cf::object::player
165	cf::client cf::player	251	cf::client cf::player
166	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
167	cf::map cf::party cf::region	254	cf::party cf::region
168	)) {	255	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	257	}
172		258
173	$Event::DIED = sub {	259	$EV::DIED = sub {
174	warn "error in event callback: @_";	260	warn "error in event callback: @_";
175	};	261	};
		262
		263	#############################################################################
176		264
177	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
178		266
179	=over 4	267	=over 4
180		268
…		…
199	$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;
200	$d	288	$d
201	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
202	}	290	}
203		291
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
207		293
208	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
209		295
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
218		297
219	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
220		299
221	=cut	300	=cut
222		301
223	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
225	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
227		306
228	=item cf::lock_wait $string	307	=item cf::lock_wait $string
229		308
230	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
231		310
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
237	returned.	316	returned.
238		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
239	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
240	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
241		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
242	=cut	328	=cut
243		329
244	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
245		332
246	sub lock_wait($) {	333	sub lock_wait($) {
247	my ($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#
248		340
249	# wait for lock, if any	341	# wait for lock, if any
250	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	344	Coro::schedule;
…		…
258		350
259	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
260	lock_wait $key;	352	lock_wait $key;
261		353
262	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
263		356
264	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
267	}	361	}
268	}	362	}
269		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
270	sub freeze_mainloop {	370	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
272		372
273	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	374	}
275	$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($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
276	};	434	}
277	$WRITE_RUNTIME_WATCHER->stop;	435	};
278	$TICK_WATCHER->stop;	436
279	$guard	437	sub get_slot($;$$) {
		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	$sig->wait;
280	}	449	}
281		450
282	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
283		452
284	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		458
290	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
291		460
292	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
293		462
294	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
297		467
298	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
301	fast or be very important.	471	fast or be very important.
…		…
304		474
305	sub sync_job(&) {	475	sub sync_job(&) {
306	my ($job) = @_;	476	my ($job) = @_;
307		477
308	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
309	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
311		483
312	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	485
314	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
315		487
316	my $busy = 1;	488	my $busy = 1;
317	my @res;	489	my @res;
318		490
319	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	493	@res = eval { $job->() };
321	warn $@ if $@;	494	warn $@ if $@;
322	undef $busy;	495	undef $busy;
323	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
324		497
325	while ($busy) {	498	while ($busy) {
326	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
327	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
328		509
329	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
330	} else {	511	} else {
331	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
332		513
…		…
352	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
353		534
354	$coro	535	$coro
355	}	536	}
356		537
357	sub write_runtime {	538	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		539
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	Executes the given code block with the given arguments in a seperate
361	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.
362		544
363	my $value = $cf::RUNTIME + 90 + 10;	545	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		546
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub fork_call(&@) {
368	and return;	548	my ($cb, @args) = @_;
369		549
370	# always fsync - this file is important	550	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	551	# otherwise perl prematurely frees the stuff :/
372	and return;	552	# TODO: investigate and fix (likely this will be rather laborious)
373		553
374	close $fh	554	my @res = Coro::Util::fork_eval {
375	or return;	555	reset_signals;
		556	&$cb
		557	}, @args;
376		558
377	aio_rename "$runtime~", $runtime	559	wantarray ? @res : $res[-1]
378	and return;	560	}
379		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($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
380	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		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 });
381	}	725	}
382		726
383	=back	727	=back
384		728
385	=cut	729	=cut
386		730
387	#############################################################################	731	#############################################################################
388		732
389	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
390		734
391	Many objects in crossfire are so-called attachable objects. That means you can	735	Many objects in deliantra are so-called attachable objects. That means you can
392	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")
393	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
394		738
395	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>
396	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
397	crossfire+).	741	Deliantra).
398		742
399	=over 4	743	=over 4
400		744
401	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
402		746
…		…
446	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
447		791
448	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
450		794
451	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	796	that are attached at load/instantiate time, thus the need for a name.
453		797
454	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
455		799
456	=over 4	800	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
566		910
567	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		915
572	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	917	my $pkg = shift @arg;
574		918
575	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
605	}	949	}
606		950
607	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
608	} else {	952	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	954	}
611		955
612	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
613	}	957	}
614		958
…		…
616	if (ref $_[0]) {	960	if (ref $_[0]) {
617	_object_attach @_;	961	_object_attach @_;
618	} else {	962	} else {
619	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
620	}	964	}
		965	_recalc_want;
621	};	966	};
622		967
623	# all those should be optimised	968	# all those should be optimised
624	sub cf::attachable::detach {	969	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
629	reattach ($obj);	974	reattach ($obj);
630	} else {	975	} else {
631	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
632	}	977	}
		978	_recalc_want;
633	};	979	};
634		980
635	sub cf::attachable::attached {	981	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
637		983
…		…
652	";	998	";
653	die if $@;	999	die if $@;
654	}	1000	}
655		1001
656	our $override;	1002	our $override;
657	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?
658		1004
659	sub override {	1005	sub override {
660	$override = 1;	1006	$override = 1;
661	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
662	}	1008	}
663		1009
664	sub do_invoke {	1010	sub do_invoke {
665	my $event = shift;	1011	my $event = shift;
666	my $callbacks = shift;	1012	my $callbacks = shift;
667		1013
668	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
669		1015
670	local $override;	1016	local $override;
671		1017
672	for (@$callbacks) {	1018	for (@$callbacks) {
673	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
682	}	1028	}
683		1029
684	0	1030	0
685	}	1031	}
686		1032
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1034
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1036
691	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
692		1038
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1042
697	=back	1043	=back
698		1044
699	=cut	1045	=cut
700		1046
701	#############################################################################	1047	#############################################################################
702	# 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, $ob2
		1090	}
703		1091
704	sub reattach {	1092	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1094	my ($obj) = @_;
707		1095
		1096	# no longer needed after getting rid of delete_package?
708	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
709		1098
710	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
711		1100
712	@$registry = ();	1101	@$registry = ();
713		1102
…		…
728	cf::attachable->attach (	1117	cf::attachable->attach (
729	prio => -1000000,	1118	prio => -1000000,
730	on_instantiate => sub {	1119	on_instantiate => sub {
731	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
732		1121
733	$data = from_json $data;	1122	$data = decode_json $data;
734		1123
735	for (@$data) {	1124	for (@$data) {
736	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
737		1126
738	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1143	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
756		1145
757	sync_job {	1146	sync_job {
758	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
761		1151
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1156	aio_close $fh;
767		1157
768	if (@$objs) {	1158	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1164	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
776	}	1166	}
777	} else {	1167	} else {
778	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
779	}	1169	}
…		…
784	}	1174	}
785	} else {	1175	} else {
786	aio_unlink $filename;	1176	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
788	}	1178	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1179	};
796	}	1180	}
797		1181
798	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
800		1184
…		…
805		1189
806	sub object_thawer_load {	1190	sub object_thawer_load {
807	my ($filename) = @_;	1191	my ($filename) = @_;
808		1192
809	my ($data, $av);	1193	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1194
814	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
815	or return;	1196	or return;
816		1197
817	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
819	or return;	1200	or return;
		1201
820	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
821	}	1204	}
822		1205
		1206	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
825	return ($data, $av);	1210	($data, $av)
826	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
827		1218
828	#############################################################################	1219	#############################################################################
829	# command handling &c	1220	# command handling &c
830		1221
831	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1236	}
846		1237
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1239
849	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.
850		1245
851	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
852	called.	1247	called.
853		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
854	=cut	1260	=cut
855		1261
856	sub register_extcmd {	1262	sub register_extcmd {
857	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
858		1264
859	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
860	}	1272	}
861		1273
862	cf::player->attach (	1274	cf::player->attach (
863	on_command => sub {	1275	on_command => sub {
864	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1285	cf::override;
874	},	1286	},
875	on_extcmd => sub {	1287	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
877		1289
878	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1291
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
886	} else {	1307	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1309	}
889		1310
890	cf::override;	1311	cf::override;
891	},	1312	},
892	);	1313	);
893		1314
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
929	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1320	next unless -r $path;
931	eval {	1321
932	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	$progress = 1;
933	1	1378	}
934	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
935	}	1384	};
936	}	1385	}
937		1386
938	#############################################################################	1387	#############################################################################
939		1388
		1389	=back
		1390
940	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
941		1392
942	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
943		1394
944	=cut	1395	=cut
945		1396
946	package cf::player;	1397	package cf::player;
947		1398
…		…
949		1400
950	=head3 cf::player	1401	=head3 cf::player
951		1402
952	=over 4	1403	=over 4
953		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
954	=item cf::player::find $login	1419	=item cf::player::find $login
955		1420
956	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
957		1422
958	=cut	1423	=cut
959		1424
960	sub playerdir($) {	1425	sub playerdir($) {
961	cf::localdir	1426	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1428	}
967		1429
968	sub path($) {	1430	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1432
971	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
972	}	1434	}
973		1435
974	sub find_active($) {	1436	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1451	my $login = $_[0];
990		1452
991	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
992		1454
993	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
997	}	1472	}
998	}	1473	}
999	}	1474	}
1000		1475
…		…
1009	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1010		1485
1011	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1013		1488
		1489	cf::get_slot 0.01;
		1490
1014	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1015	Coro::cede;	1492	cf::cede_to_tick;
1016	}	1493	}
1017		1494
1018	sub new($) {	1495	sub new($) {
1019	my ($login) = @_;	1496	my ($login) = @_;
1020		1497
…		…
1026	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1027		1504
1028	$self	1505	$self
1029	}	1506	}
1030		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
1031	=item $pl->quit_character	1518	=item $pl->quit_character
1032		1519
1033	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1035		1522
1036	=cut	1523	=cut
1037		1524
1038	sub quit_character {	1525	sub quit_character {
1039	my ($pl) = @_;	1526	my ($pl) = @_;
1040		1527
		1528	my $name = $pl->ob->name;
		1529
1041	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1042	$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
1043		1532
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1048		1539
1049	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1566	}
1056		1567
1057	=item cf::player::list_logins	1568	=item cf::player::list_logins
1058		1569
1059	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
1060	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1061		1572
1062	=cut	1573	=cut
1063		1574
1064	sub list_logins {	1575	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1577	or return [];
1067		1578
1068	my @logins;	1579	my @logins;
1069		1580
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1074		1591
1075	utf8::decode $login;	1592	utf8::decode $login;
1076	push @logins, $login;	1593	push @logins, $login;
1077	}	1594	}
1078		1595
…		…
1105	}	1622	}
1106		1623
1107	\@paths	1624	\@paths
1108	}	1625	}
1109		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1111		1632
1112	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1113		1634
1114	=cut	1635	=cut
1115		1636
1116	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1118		1639
1119	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1641	}
1123		1642
1124	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	}
1125		1683
1126	=back	1684	=back
1127
1128		1685
1129	=head3 cf::map	1686	=head3 cf::map
1130		1687
1131	=over 4	1688	=over 4
1132		1689
…		…
1144	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1146		1703
1147	sub generate_random_map {	1704	sub generate_random_map {
1148	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
1149	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1710	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1188		1748
1189	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1190	local $self->{path};	1750	local $self->{path};
1191	local $self->{load_path};	1751	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1752
1195	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1196	}	1754	}
1197		1755
1198	sub normalise {	1756	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1246	return $self;	1804	return $self;
1247	}	1805	}
1248	}	1806	}
1249		1807
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1809	()
1252	}	1810	}
1253		1811
1254	sub init {	1812	sub init {
1255	my ($self) = @_;	1813	my ($self) = @_;
…		…
1270		1828
1271	# the original (read-only) location	1829	# the original (read-only) location
1272	sub load_path {	1830	sub load_path {
1273	my ($self) = @_;	1831	my ($self) = @_;
1274		1832
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1276	}	1834	}
1277		1835
1278	# the temporary/swap location	1836	# the temporary/swap location
1279	sub save_path {	1837	sub save_path {
1280	my ($self) = @_;	1838	my ($self) = @_;
1281		1839
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1284	}	1842	}
1285		1843
1286	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1287	sub uniq_path {	1845	sub uniq_path {
1288	my ($self) = @_;	1846	my ($self) = @_;
1289		1847
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1292	}	1850	}
1293		1851
1294	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1295	# all maps in C++...	1853	# all maps in C++...
1296	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1298		1856
1299	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1301	}	1859	}
1302		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1303	sub unlink_save {	1869	sub unlink_save {
1304	my ($self) = @_;	1870	my ($self) = @_;
1305		1871
1306	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1874	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1875	}
1315		1876
1316	sub load_header_from($) {	1877	sub load_header_from($) {
1317	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1318		1879
1319	utf8::encode $path;	1880	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	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;
1325		1889
1326	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1327		1891
1328	1	1892	1
1329	}	1893	}
…		…
1368	$self->load_header_orig	1932	$self->load_header_orig
1369	or return;	1933	or return;
1370	$self->prepare_orig;	1934	$self->prepare_orig;
1371	}	1935	}
1372		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
1373	1	1943	1
1374	}	1944	}
1375		1945
1376	sub find;	1946	sub find;
1377	sub find {	1947	sub find {
1378	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1379		1949
1380	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1381		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1383		1954
1384	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1386	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1387	or return;	1960	or return;
1388		1961
1389	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1390		1963
1391	$map->load_header	1964	$map->load_header
1392	or return;	1965	or return;
1393		1966
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1397	$map->reset;	1972	$map->reset;
1398	undef $guard;
1399	return find $path;	1973	return find $path;
1400	}	1974	}
1401		1975
1402	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1403	}	1977	}
…		…
1410	my ($self) = @_;	1984	my ($self) = @_;
1411		1985
1412	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1413		1987
1414	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1416		1992
		1993	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1995
1419	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1420		1997
1421	$self->alloc;	1998	$self->alloc;
1422		1999
1423	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1424		2002
1425	$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)
1426	or return;	2006	or return;
1427		2007
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1429	if delete $self->{load_original};	2009	if delete $self->{load_original};
1430		2010
1431	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2012	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2015	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1436	}	2019	}
1437	}	2020	}
1438		2021
1439	Coro::cede;	2022	$f->resolve_delayed_derefs;
1440		2023
		2024	cf::cede_to_tick;
1441	# now do the right thing for maps	2025	# now do the right thing for maps
1442	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2028	unless $self->difficulty;
1452	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;
1453	$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);
1454	}	2045	}
1455		2046
1456	$self->post_load;	2047	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2048	}
1460		2049
1461	sub customise_for {	2050	sub customise_for {
1462	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1463		2052
1464	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2054	if $self->per_player;
1466		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1467	$self	2059	$self
1468	}	2060	}
1469		2061
1470	# 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
1471	sub load_diag {	2063	sub load_neighbours {
1472	my ($map) = @_;	2064	my ($map) = @_;
1473		2065
1474	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1475		2067
1476	for (0 .. 3) {	2068	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1478	or next;	2070	or next;
1479	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1480	or next;	2072	or next;
1481	$neigh->load;	2073	$neigh->load;
1482		2074
		2075	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2078	}
1486		2079
1487	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1489	or next;	2083	or next;
1490	$neigh->load;	2084	$neigh->load;
1491	}	2085	}
1492	}	2086	}
1493		2087
…		…
1498	}	2092	}
1499		2093
1500	sub do_load_sync {	2094	sub do_load_sync {
1501	my ($map) = @_;	2095	my ($map) = @_;
1502		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1503	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1504	}	2101	}
1505		2102
1506	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1508		2105
1509	sub find_async {	2106	sub find_async {
1510	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1511		2108
1512	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1513		2110
1514	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2113	}
1517		2114
1518	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1519	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1520	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2122	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2123	$map->load if $v;
		2124	}
1525		2125
1526	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1527	}	2127	}
1528	}	2128	}
1529	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1530	};	2130	};
1531	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2134	}
1535		2135
1536	sub save {	2136	sub save {
1537	my ($self) = @_;	2137	my ($self) = @_;
1538		2138
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2140
1541	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1542		2142
1543	return unless $self->dirty;	2143	return unless $self->dirty;
1544		2144
…		…
1550	return if $self->{deny_save};	2150	return if $self->{deny_save};
1551		2151
1552	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1553		2153
1554	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1556	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1557		2160
1558	if ($uniq) {	2161	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2164	} else {
…		…
1567	my ($self) = @_;	2170	my ($self) = @_;
1568		2171
1569	# save first because save cedes	2172	# save first because save cedes
1570	$self->save;	2173	$self->save;
1571		2174
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2176
1574	return if $self->players;	2177	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2179	return if $self->{deny_save};
1577		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2185	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2186	}
1581		2187
1582	sub reset_at {	2188	sub reset_at {
1583	my ($self) = @_;	2189	my ($self) = @_;
1584		2190
1585	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1588		2193
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	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;
1591		2196
…		…
1602	my ($self) = @_;	2207	my ($self) = @_;
1603		2208
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2210
1606	return if $self->players;	2211	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2212
1609	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
		2214
		2215	$self->in_memory (cf::MAP_SWAPPED);
		2216
		2217	# need to save uniques path
		2218	unless ($self->{deny_save}) {
		2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2220
		2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2222	if $uniq;
		2223	}
1610		2224
1611	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1612		2226
1613	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2229	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2230
1618	$self->unlink_save;	2231	$self->unlink_save;
1619	$self->destroy;	2232	$self->destroy;
1620	}	2233	}
1621		2234
1622	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1623		2236
1624	sub nuke {	2237	sub nuke {
1625	my ($self) = @_;	2238	my ($self) = @_;
1626		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1627	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1628		2244
1629	$self->unlink_save;	2245	$self->unlink_save;
1630		2246
1631	bless $self, "cf::map";	2247	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2252
1637	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1638		2255
1639	$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	]
1640	}	2293	}
1641		2294
1642	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1643		2296
1644	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2298	instantiated unique items. May block.
1646		2299
1647	=cut	2300	=cut
1648		2301
1649	sub unique_maps() {	2302	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1651	or return;	2304	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2305	utf8::decode $_;
1657	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2308	? ()
1660	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2311	]
1662
1663	\@paths
1664	}	2312	}
1665
1666	package cf;
1667		2313
1668	=back	2314	=back
1669		2315
1670	=head3 cf::object	2316	=head3 cf::object
1671		2317
…		…
1675		2321
1676	=over 4	2322	=over 4
1677		2323
1678	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1679		2325
1680	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.
1681		2328
1682	=cut	2329	=cut
1683		2330
1684	sub inv_recursive_;	2331	sub inv_recursive_;
1685	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1688		2335
1689	sub inv_recursive {	2336	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1691	}	2338	}
1692		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
1693	package cf;	2368	package cf;
1694		2369
1695	=back	2370	=back
1696		2371
1697	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1703	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>
1704	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
1705	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1706		2381
1707	=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	};
1708		2397
1709	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2399	# with dialog boxes.
1711	#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
1712	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1714		2403
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2405
1717	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1722	}	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 (@_);
1723	}	2431	}
1724		2432
1725	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1726		2434
1727	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1740		2448
1741	=item $player_object->enter_link	2449	=item $player_object->enter_link
1742		2450
1743	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}>).
1744		2452
1745	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.
1746	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.
1747		2457
1748	Will never block.	2458	Will never block.
1749		2459
1750	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1751		2461
…		…
1774	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1775		2485
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2487
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1780		2490
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2492	}
1783		2493
1784	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1786		2498
1787	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1788		2500
1789	unless ($map) {	2501	unless ($map) {
1790	# restore original map position	2502	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1807		2519
1808	$map->load;	2520	$map->load;
1809	$map->load_diag;	2521	$map->load_neighbours;
1810		2522
1811	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1814	}	2529	}
1815		2530
1816	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2532
1820	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1824	};	2537	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2538
1830	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2541
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1851		2545
1852	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1853	my ($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;
1854		2551
1855	$self->enter_link;	2552	$self->enter_link;
1856		2553
1857	(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
1858	my $map = eval {	2576	my $map = eval {
1859	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2592	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1866	})->prio (1);	2600	})->prio (1);
1867	}	2601	}
1868		2602
1869	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1870		2604
…		…
1890	}	2624	}
1891		2625
1892	sub prepare_random_map {	2626	sub prepare_random_map {
1893	my ($exit) = @_;	2627	my ($exit) = @_;
1894		2628
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2631	# that depends on the exit object
1900		2632
1901	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2635	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1908	}	2642	}
1909		2643
1910	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1911		2645
1912	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1915		2649
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2652	undef $fh;
1919	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1920		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1923	}	2661	}
1924	}	2662	}
1925		2663
1926	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1928		2666
1929	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1930		2668
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2669	$self->enter_link;
1941		2670
1942	(async {	2671	(async {
1943	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1944	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
1945	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1946		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
1947	1;	2695	1
1948	}) {	2696	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2701
1954	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2703	$self->leave_link;
1956	}	2704	}
1957	})->prio (1);	2705	})->prio (1);
…		…
1970		2718
1971	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1973		2721
1974	utf8::encode $text;	2722	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2724	}
1977		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
		2798
		2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2800
		2801	# check predefined channels, for the benefit of C
		2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
		2810	} elsif (ref $channel) {
		2811	# send meta info to client, if not yet sent
		2812	unless (exists $self->{channel}{$channel->{id}}) {
		2813	$self->{channel}{$channel->{id}} = $channel;
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816	}
		2817
		2818	$channel = $channel->{id};
		2819	}
		2820
		2821	return unless @extra || length $msg;
		2822
		2823	if ($self->can_msg) {
		2824	# default colour, mask it out
		2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2826	if $color & cf::NDI_DEF;
		2827
		2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
		2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
		2844	} else {
		2845	if ($color >= 0) {
		2846	# replace some tags by gcfclient-compatible ones
		2847	for ($msg) {
		2848	1 while
		2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2854	}
		2855
		2856	$color &= cf::NDI_COLOR_MASK;
		2857
		2858	utf8::encode $msg;
		2859
		2860	if (0 && $msg =~ /\[/) {
		2861	# COMMAND/INFO
		2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2863	} else {
		2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2865	$self->send_packet ("drawinfo $color $msg")
		2866	}
		2867	}
		2868	}
		2869	}
		2870
		2871	=item $client->ext_msg ($type, @msg)
		2872
		2873	Sends an ext event to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_msg($$@) {
		2878	my ($self, $type, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
		2883	push @msg, msgtype => "event_$type";
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2885	}
		2886	}
		2887
		2888	=item $client->ext_reply ($msgid, @msg)
		2889
		2890	Sends an ext reply to the client.
		2891
		2892	=cut
		2893
		2894	sub cf::client::ext_reply($$@) {
		2895	my ($self, $id, @msg) = @_;
		2896
		2897	if ($self->extcmd == 2) {
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2899	} elsif ($self->extcmd == 1) {
		2900	#TODO: version 1, remove
		2901	unshift @msg, msgtype => "reply", msgid => $id;
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
1978		2905
1979	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
1980		2907
1981	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2909	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2910	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2911
1985	Queries can fail, so check the return code. Or don't, as queries will become	2912	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2913	become reliable at some point in the future.
1987		2914
1988	=cut	2915	=cut
1989		2916
1990	sub cf::client::query {	2917	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2926	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2928
2002	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
2004	}	2933	}
2005		2934
2006	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
2007	on_reply => sub {	2941	on_reply => sub {
2008	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
2009		2943
2010	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
2011	# get handled first	2945	# get handled first
…		…
2023	} else {	2957	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2959	}
2026	}	2960	}
2027	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($ns, $buf) = @_;
		2964
		2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2966
		2967	if (ref $msg) {
		2968	my ($type, $reply, @payload) =
		2969	"ARRAY" eq ref $msg
		2970	? @$msg
		2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2972
		2973	my @reply;
		2974
		2975	if (my $cb = $EXTICMD{$type}) {
		2976	@reply = $cb->($ns, @payload);
		2977	}
		2978
		2979	$ns->ext_reply ($reply, @reply)
		2980	if $reply;
		2981
		2982	} else {
		2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2984	}
		2985
		2986	cf::override;
		2987	},
2028	);	2988	);
2029		2989
2030	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2031		2991
2032	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2075		3035
2076	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2077		3037
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2079		3043
2080	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2081		3045
2082	=pod	3046	=pod
2083		3047
2084	The following fucntions and emthods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2085		3049
2086	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2087	cf::object::player player	3054	cf::object::player
2088	cf::player peaceful	3055	player
2089	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2090		3062
2091	=cut	3063	=cut
2092		3064
2093	for (	3065	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2098	) {	3072	) {
2099	no strict 'refs';	3073	no strict 'refs';
…		…
2170	=back	3144	=back
2171		3145
2172	=cut	3146	=cut
2173		3147
2174	#############################################################################	3148	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3149	# the server's init and main functions
2284		3150
		3151	sub load_facedata($) {
		3152	my ($path) = @_;
		3153
		3154	# HACK to clear player env face cache, we need some signal framework
		3155	# for this (global event?)
		3156	%ext::player_env::MUSIC_FACE_CACHE = ();
		3157
		3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3159
		3160	warn "loading facedata from $path\n";
		3161
		3162	my $facedata;
		3163	0 < aio_load $path, $facedata
		3164	or die "$path: $!";
		3165
		3166	$facedata = Coro::Storable::thaw $facedata;
		3167
		3168	$facedata->{version} == 2
		3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3170
		3171	# patch in the exptable
		3172	$facedata->{resource}{"res/exp_table"} = {
		3173	type => FT_RSRC,
		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3175	};
		3176	cf::cede_to_tick;
		3177
		3178	{
		3179	my $faces = $facedata->{faceinfo};
		3180
		3181	while (my ($face, $info) = each %$faces) {
		3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
		3184	cf::face::set_visibility $idx, $info->{visibility};
		3185	cf::face::set_magicmap $idx, $info->{magicmap};
		3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3188
		3189	cf::cede_to_tick;
		3190	}
		3191
		3192	while (my ($face, $info) = each %$faces) {
		3193	next unless $info->{smooth};
		3194
		3195	my $idx = cf::face::find $face
		3196	or next;
		3197
		3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
		3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3201	} else {
		3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3203	}
		3204
		3205	cf::cede_to_tick;
		3206	}
		3207	}
		3208
		3209	{
		3210	my $anims = $facedata->{animinfo};
		3211
		3212	while (my ($anim, $info) = each %$anims) {
		3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	cf::anim::invalidate_all; # d'oh
		3218	}
		3219
		3220	{
		3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
		3224
		3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
		3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3228	my $data;
		3229
		3230	if ($info->{type} & 1) {
		3231	# prepend meta info
		3232
		3233	my $meta = $enc->encode ({
		3234	name => $name,
		3235	%{ $info->{meta} || {} },
		3236	});
		3237
		3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
		3245	} else {
		3246	$RESOURCE{$name} = $info;
		3247	}
		3248
		3249	cf::cede_to_tick;
		3250	}
		3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3254
		3255	1
		3256	}
		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
		3277
		3278	register_exticmd fx_want => sub {
		3279	my ($ns, $want) = @_;
		3280
		3281	while (my ($k, $v) = each %$want) {
		3282	$ns->fx_want ($k, $v);
		3283	}
		3284	};
		3285
2285	sub load_resources {	3286	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
		3295
		3296	sub reload_regions {
		3297	# HACK to clear player env face cache, we need some signal framework
		3298	# for this (global event?)
		3299	%ext::player_env::MUSIC_FACE_CACHE = ();
		3300
		3301	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3302	or die "unable to load regions file\n";
2288	}
2289		3303
2290	sub cfg_load {	3304	for (cf::region::list) {
		3305	$_->{match} = qr/$_->{match}/
		3306	if exists $_->{match};
		3307	}
		3308	}
		3309
		3310	sub reload_facedata {
		3311	load_facedata "$DATADIR/facedata"
		3312	or die "unable to load facedata\n";
		3313	}
		3314
		3315	sub reload_archetypes {
		3316	load_resource_file "$DATADIR/archetypes"
		3317	or die "unable to load archetypes\n";
		3318	}
		3319
		3320	sub reload_treasures {
		3321	load_resource_file "$DATADIR/treasures"
		3322	or die "unable to load treasurelists\n";
		3323	}
		3324
		3325	sub reload_resources {
		3326	warn "reloading resource files...\n";
		3327
		3328	reload_facedata;
		3329	reload_archetypes;
		3330	reload_regions;
		3331	reload_treasures;
		3332
		3333	warn "finished reloading resource files\n";
		3334	}
		3335
		3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
		3341	reload_resources;
		3342	}
		3343
		3344	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3346	or return;
2293		3347
2294	local $/;	3348	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2296		3350
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3352
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3360	};
2307	warn $@ if $@;	3361	warn $@ if $@;
2308	}	3362	}
2309	}	3363	}
2310		3364
2311	sub init {	3365	sub pidfile() {
2312	load_resources;	3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
2313	}	3382	}
2314		3383
2315	sub main {	3384	sub main {
		3385	atomic;
		3386
2316	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3390	(async {
2320	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2322	};	3394	};
2323		3395
2324	cfg_load;	3396	{
2325	db_load;	3397	my $guard = freeze_mainloop;
		3398	reload_config;
		3399	db_init;
2326	load_extensions;	3400	load_extensions;
2327		3401
2328	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
2329	Event::loop;	3410	EV::loop;
2330	}	3411	}
2331		3412
2332	#############################################################################	3413	#############################################################################
2333	# initialisation and cleanup	3414	# initialisation and cleanup
2334		3415
2335	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2336	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2345	},
2346	);	3422	};
		3423	}
		3424	}
		3425
		3426	sub write_runtime_sync {
		3427	# first touch the runtime file to show we are still running:
		3428	# the fsync below can take a very very long time.
		3429
		3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3431
		3432	my $guard = cf::lock_acquire "write_runtime";
		3433
		3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3435	or return;
		3436
		3437	my $value = $cf::RUNTIME + 90 + 10;
		3438	# 10 is the runtime save interval, for a monotonic clock
		3439	# 60 allows for the watchdog to kill the server.
		3440
		3441	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3442	and return;
		3443
		3444	# always fsync - this file is important
		3445	aio_fsync $fh
		3446	and return;
		3447
		3448	# touch it again to show we are up-to-date
		3449	aio_utime $fh, undef, undef;
		3450
		3451	close $fh
		3452	or return;
		3453
		3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3455	and return;
		3456
		3457	warn "runtime file written.\n";
		3458
2347	}	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2348	}	3503	}
2349		3504
2350	sub emergency_save() {	3505	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2352		3507
…		…
2358	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3519	$pl->save;
2364	}	3520	}
2365	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2366		3522
2367	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3525	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3526	$map->valid or next;
2371	$map->save;	3527	$map->save;
2372	}	3528	}
2373	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
		3530
		3531	warn "begin emergency database checkpoint\n";
		3532	BDB::db_env_txn_checkpoint $DB_ENV;
		3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2374	};	3538	};
2375		3539
2376	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2377	}	3541	}
2378		3542
		3543	sub post_cleanup {
		3544	my ($make_core) = @_;
		3545
		3546	warn Carp::longmess "post_cleanup backtrace"
		3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
		3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
		3580
2379	sub reload() {	3581	sub do_reload_perl() {
2380	# can/must only be called in main	3582	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2383	return;	3585	return;
2384	}	3586	}
2385		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2386	warn "reloading...";	3591	warn "reloading...";
2387		3592
2388	warn "cancelling server ticker";	3593	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3594
		3595	cf::sync_job {
		3596	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3597	cf::emergency_save;
		3598	cf::write_runtime_sync; # external watchdog should not bark
2392		3599
2393	eval {	3600	warn "syncing database to disk";
		3601	BDB::db_env_txn_checkpoint $DB_ENV;
		3602
2394	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2395		3604
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2405	for (;;) {	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3608	}
2432		3609
2433	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2435	}	3612	%EXT_CORO = ();
2436		3613
2437	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3623	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3624
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2448	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2449	}	3634	}
2450		3635
2451	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
2452	}	3651	}
2453		3652
2454	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3656
2458	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2460		3660
2461	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3662	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2464		3664
2465	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2466		3666
2467	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2468	require cf;	3668	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3670
2471	warn "loading config and database again";	3671	warn "loading config and database again";
2472	cf::cfg_load;	3672	cf::reload_config;
2473	cf::db_load;
2474		3673
2475	warn "loading extensions";	3674	warn "loading extensions";
2476	cf::load_extensions;	3675	cf::load_extensions;
2477		3676
2478	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3678	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2482		3683
2483	warn "loading reloadable resources";	3684	warn "leaving sync_job";
2484	load_resources;
2485		3685
2486	warn "restarting server ticker";	3686	1
		3687	} or do {
		3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
		3690	};
2487		3691
2488	$TICK_WATCHER->start;	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
		3695	};
		3696
		3697	our $RELOAD_WATCHER; # used only during reload
		3698
		3699	sub reload_perl() {
		3700	# doing reload synchronously and two reloads happen back-to-back,
		3701	# coro crashes during coro_state_free->destroy here.
		3702
		3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3704	do_reload_perl;
		3705	undef $RELOAD_WATCHER;
2489	};	3706	};
2490		3707	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3708
2502	register_command "reload" => sub {	3709	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2504		3711
2505	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
2507		3714	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3715	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3716	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3717	};
2520	}	3718	}
2521	};	3719	};
2522		3720
2523	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2524		3722
2525	my $bug_warning = 0;	3723	my $bug_warning = 0;
2526		3724
2527	$TICK_WATCHER = Event->timer (	3725	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3726	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3727
2530	prio => 0,	3728	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3730
2533	cb => sub {	3731	my $signal = new Coro::Signal;
		3732	push @WAIT_FOR_TICK, $signal;
		3733	$signal->wait;
		3734	}
		3735
		3736	sub wait_for_tick_begin {
		3737	return if tick_inhibit || $Coro::current == $Coro::main;
		3738
		3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK_BEGIN, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub tick {
2534	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2537	return;	3748	return;
2538	}	3749	}
2539		3750
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3752
2546	$WAIT_FOR_TICK->broadcast;	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3755	Coro::async_pool {
		3756	$Coro::current->{desc} = "runtime saver";
		3757	write_runtime_sync
		3758	or warn "ERROR: unable to write runtime file: $!";
		3759	};
		3760	}
2548		3761
2549	Event::sweep;	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3763	$sig->send;
		3764	}
		3765	while (my $sig = shift @WAIT_FOR_TICK) {
		3766	$sig->send;
		3767	}
		3768
		3769	$LOAD = ($NOW - $TICK_START) / $TICK;
		3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3771
		3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
2551		3777	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3778	}
2561	);	3779	}
2562		3780
2563	{	3781	{
2564	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3783
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
2574		3785	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3786	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3787
2590	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3795
2593	cf::sync_job {	3796	cf::sync_job {
		3797	eval {
2594	BDB::db_env_open	3798	BDB::db_env_open
2595	$DB_ENV,	3799	$DB_ENV,
2596	$BDB_ENV_DIR,	3800	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3803	0666;
2600		3804
2601	cf::cleanup "$!" if $!;	3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3806	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3807
		3808	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3809	};
2605	}	3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
2606	}	3821	}
2607		3822
2608	{	3823	{
		3824	# configure IO::AIO
		3825
2609	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
2614	reentrant => 0,
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}	3829	}
2622		3830
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3831	my $_log_backtrace;
2624	reentrant => 0,	3832
2625	data => WF_AUTOCANCEL,	3833	sub _log_backtrace {
2626	after => 1,	3834	my ($msg, @addr) = @_;
2627	interval => 10,	3835
2628	prio => 6, # keep it lowest so it acts like a watchdog	3836	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3837
2630	write_runtime	3838	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3839	if ($_log_backtrace < 2) {
		3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
		3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
		3845	my @bt = fork_call {
		3846	@addr = map { sprintf "%x", $_ } @addr;
		3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3849	or die "addr2line: $!";
		3850
		3851	my @funcs;
		3852	my @res = <$fh>;
		3853	chomp for @res;
		3854	while (@res) {
		3855	my ($func, $line) = splice @res, 0, 2, ();
		3856	push @funcs, "[$func] $line";
		3857	}
		3858
		3859	@funcs
		3860	};
		3861
		3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3864	LOG llevInfo, "[ABT] $_\n" for @bt;
		3865	--$_log_backtrace;
		3866	};
		3867	} else {
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3870	}
2633	);	3871	}
		3872
		3873	# load additional modules
		3874	use cf::pod;
2634		3875
2635	END { cf::emergency_save }	3876	END { cf::emergency_save }
2636		3877
2637	1	3878	1
2638		3879

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