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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 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;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
		83	our $RELOAD; # number of reloads so far
48	our @EVENT;	84	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		85
51	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	87	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
		101
		102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	104	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	110	our $DB_ENV;
61		111
62	our %CFG;	112	our %CFG;
63		113
64	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
66		117
67	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		121
76	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
79	binmode STDOUT;	130	binmode STDOUT;
80	binmode STDERR;	131	binmode STDERR;
81		132
82	# read virtual server time, if available	133	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
87	}	138	}
88		139
89	mkdir cf::localdir;	140	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		142
96	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
97		144
98	sub cf::map::normalise;	145	sub cf::map::normalise;
99		146
…		…
110	=item $cf::RUNTIME	157	=item $cf::RUNTIME
111		158
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	159	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	160	every server tick.
114		161
115	=item $cf::LIBDIR	162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		165
117	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		168	unique-items directory, player file directory, random maps directory and
		169	database environment.
119		170
120	=item $cf::NOW	171	=item $cf::NOW
121		172
122	The time of the last (current) server tick.	173	The time of the last (current) server tick.
123		174
124	=item $cf::TICK	175	=item $cf::TICK
125		176
126	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
127		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
128	=item %cf::CFG	189	=item %cf::CFG
129		190
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	192	from wherever your confdir points to.
132		193
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		195
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	197	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
139		205
140	=back	206	=back
141		207
142	=cut	208	=cut
143		209
144	BEGIN {	210	BEGIN {
145	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	212	my $msg = join "", @_;
147	utf8::encode $msg;
148		213
149	$msg .= "\n"	214	$msg .= "\n"
150	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
151		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
152	LOG llevError, $msg;	219	LOG llevError, $msg;
153	};	220	};
154	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
155		237
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		245
163	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	247	# within the Safe compartment.
165	for my $pkg (qw(	248	for my $pkg (qw(
166	cf::global cf::attachable	249	cf::global cf::attachable
167	cf::object cf::object::player	250	cf::object cf::object::player
168	cf::client cf::player	251	cf::client cf::player
169	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
170	cf::map cf::party cf::region	254	cf::party cf::region
171	)) {	255	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	257	}
175		258
176	$Event::DIED = sub {	259	$EV::DIED = sub {
177	warn "error in event callback: @_";	260	warn "error in event callback: @_";
178	};	261	};
		262
		263	#############################################################################
179		264
180	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
181		266
182	=over 4	267	=over 4
183		268
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	288	$d
204	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
205	}	290	}
206		291
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
210		293
211	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
212		295
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
221		297
222	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
223		299
224	=cut	300	=cut
225		301
226	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
228	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
230		306
231	=item cf::lock_wait $string	307	=item cf::lock_wait $string
232		308
233	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
234		310
…		…
237	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
240	returned.	316	returned.
241		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
242	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
244		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
245	=cut	328	=cut
246		329
247	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
248		332
249	sub lock_wait($) {	333	sub lock_wait($) {
250	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
251		340
252	# wait for lock, if any	341	# wait for lock, if any
253	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	344	Coro::schedule;
…		…
261		350
262	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
263	lock_wait $key;	352	lock_wait $key;
264		353
265	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
266		356
267	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
270	}	361	}
271	}	362	}
272		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
273	sub freeze_mainloop {	370	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
275		372
276	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	374	}
278	$WRITE_RUNTIME_WATCHER->start;	375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
279	};	434	}
280	$WRITE_RUNTIME_WATCHER->stop;	435	};
281	$TICK_WATCHER->stop;	436
282	$guard	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
283	}	449	}
284		450
285	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
286		452
287	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		458
293	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
294		460
295	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
296		462
297	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
300		467
301	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
304	fast or be very important.	471	fast or be very important.
…		…
307		474
308	sub sync_job(&) {	475	sub sync_job(&) {
309	my ($job) = @_;	476	my ($job) = @_;
310		477
311	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
312	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
314		483
315	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	485
317	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
318		487
319	my $busy = 1;	488	my $busy = 1;
320	my @res;	489	my @res;
321		490
322	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	493	@res = eval { $job->() };
324	warn $@ if $@;	494	warn $@ if $@;
325	undef $busy;	495	undef $busy;
326	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
327		497
328	while ($busy) {	498	while ($busy) {
329	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
330	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
331		509
332	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
333	} else {	511	} else {
334	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
335		513
…		…
355	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
356		534
357	$coro	535	$coro
358	}	536	}
359		537
360	sub write_runtime {	538	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		539
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	Executes the given code block with the given arguments in a seperate
364	or return;	541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
365		544
366	my $value = $cf::RUNTIME + 90 + 10;	545	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		546
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub fork_call(&@) {
371	and return;	548	my ($cb, @args) = @_;
372		549
373	# always fsync - this file is important	550	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	551	# otherwise perl prematurely frees the stuff :/
375	and return;	552	# TODO: investigate and fix (likely this will be rather laborious)
376		553
377	close $fh	554	my @res = Coro::Util::fork_eval {
378	or return;	555	reset_signals;
		556	&$cb
		557	}, @args;
379		558
380	aio_rename "$runtime~", $runtime	559	wantarray ? @res : $res[-1]
381	and return;	560	}
382		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
383	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
		714	}
		715
		716	=item cf::datalog type => key => value, ...
		717
		718	Log a datalog packet of the given type with the given key-value pairs.
		719
		720	=cut
		721
		722	sub datalog($@) {
		723	my ($type, %kv) = @_;
		724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	725	}
385		726
386	=back	727	=back
387		728
388	=cut	729	=cut
389		730
390	#############################################################################	731	#############################################################################
391		732
392	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
393		734
394	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
395	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
397		738
398	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	741	Deliantra).
401		742
402	=over 4	743	=over 4
403		744
404	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
405		746
…		…
449	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
450		791
451	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
453		794
454	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		797
457	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
458		799
459	=over 4	800	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
569		910
570	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		915
575	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	917	my $pkg = shift @arg;
577		918
578	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
608	}	949	}
609		950
610	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
611	} else {	952	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	954	}
614		955
615	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
616	}	957	}
617		958
…		…
619	if (ref $_[0]) {	960	if (ref $_[0]) {
620	_object_attach @_;	961	_object_attach @_;
621	} else {	962	} else {
622	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
623	}	964	}
		965	_recalc_want;
624	};	966	};
625		967
626	# all those should be optimised	968	# all those should be optimised
627	sub cf::attachable::detach {	969	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
632	reattach ($obj);	974	reattach ($obj);
633	} else {	975	} else {
634	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
635	}	977	}
		978	_recalc_want;
636	};	979	};
637		980
638	sub cf::attachable::attached {	981	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
640		983
…		…
655	";	998	";
656	die if $@;	999	die if $@;
657	}	1000	}
658		1001
659	our $override;	1002	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1004
662	sub override {	1005	sub override {
663	$override = 1;	1006	$override = 1;
664	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
665	}	1008	}
666		1009
667	sub do_invoke {	1010	sub do_invoke {
668	my $event = shift;	1011	my $event = shift;
669	my $callbacks = shift;	1012	my $callbacks = shift;
670		1013
671	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
672		1015
673	local $override;	1016	local $override;
674		1017
675	for (@$callbacks) {	1018	for (@$callbacks) {
676	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
685	}	1028	}
686		1029
687	0	1030	0
688	}	1031	}
689		1032
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1034
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1036
694	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
695		1038
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1042
700	=back	1043	=back
701		1044
702	=cut	1045	=cut
703		1046
704	#############################################################################	1047	#############################################################################
705	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
706		1091
707	sub reattach {	1092	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1094	my ($obj) = @_;
710		1095
		1096	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1098
713	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
714		1100
715	@$registry = ();	1101	@$registry = ();
716		1102
…		…
731	cf::attachable->attach (	1117	cf::attachable->attach (
732	prio => -1000000,	1118	prio => -1000000,
733	on_instantiate => sub {	1119	on_instantiate => sub {
734	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
735		1121
736	$data = from_json $data;	1122	$data = decode_json $data;
737		1123
738	for (@$data) {	1124	for (@$data) {
739	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
740		1126
741	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1143	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
759		1145
760	sync_job {	1146	sync_job {
761	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
764		1151
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1156	aio_close $fh;
770		1157
771	if (@$objs) {	1158	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1164	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
779	}	1166	}
780	} else {	1167	} else {
781	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
782	}	1169	}
…		…
787	}	1174	}
788	} else {	1175	} else {
789	aio_unlink $filename;	1176	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
791	}	1178	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1179	};
799	}	1180	}
800		1181
801	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
803		1184
…		…
808		1189
809	sub object_thawer_load {	1190	sub object_thawer_load {
810	my ($filename) = @_;	1191	my ($filename) = @_;
811		1192
812	my ($data, $av);	1193	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1194
817	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
818	or return;	1196	or return;
819		1197
820	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
822	or return;	1200	or return;
		1201
823	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
824	}	1204	}
825		1205
		1206	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
828	return ($data, $av);	1210	($data, $av)
829	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
830		1218
831	#############################################################################	1219	#############################################################################
832	# command handling &c	1220	# command handling &c
833		1221
834	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1236	}
849		1237
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1239
852	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
853		1245
854	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
855	called.	1247	called.
856		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
857	=cut	1260	=cut
858		1261
859	sub register_extcmd {	1262	sub register_extcmd {
860	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
861		1264
862	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
863	}	1272	}
864		1273
865	cf::player->attach (	1274	cf::player->attach (
866	on_command => sub {	1275	on_command => sub {
867	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1285	cf::override;
877	},	1286	},
878	on_extcmd => sub {	1287	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
880		1289
881	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1291
883	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
889	} else {	1307	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1309	}
892		1310
893	cf::override;	1311	cf::override;
894	},	1312	},
895	);	1313	);
896		1314
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
932	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1320	next unless -r $path;
934	eval {	1321
935	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
936	1	1378	}
937	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
938	}	1384	};
939	}	1385	}
940		1386
941	#############################################################################	1387	#############################################################################
942		1388
		1389	=back
		1390
943	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
944		1392
945	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
946		1394
947	=cut	1395	=cut
948		1396
949	package cf::player;	1397	package cf::player;
950		1398
…		…
952		1400
953	=head3 cf::player	1401	=head3 cf::player
954		1402
955	=over 4	1403	=over 4
956		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
957	=item cf::player::find $login	1419	=item cf::player::find $login
958		1420
959	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
960		1422
961	=cut	1423	=cut
962		1424
963	sub playerdir($) {	1425	sub playerdir($) {
964	cf::localdir	1426	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1428	}
970		1429
971	sub path($) {	1430	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1432
974	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
975	}	1434	}
976		1435
977	sub find_active($) {	1436	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1451	my $login = $_[0];
993		1452
994	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
995		1454
996	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1456	# rename old playerfiles to new ones
		1457	#TODO: remove when no longer required
		1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1461	aio_unlink +(playerdir $login) . "/$login.pl";
		1462
		1463	my $f = new_from_file cf::object::thawer path $login
998	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1000	}	1472	}
1001	}	1473	}
1002	}	1474	}
1003		1475
…		…
1012	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1013		1485
1014	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1016		1488
		1489	cf::get_slot 0.01;
		1490
1017	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1018	Coro::cede;	1492	cf::cede_to_tick;
1019	}	1493	}
1020		1494
1021	sub new($) {	1495	sub new($) {
1022	my ($login) = @_;	1496	my ($login) = @_;
1023		1497
…		…
1029	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1030		1504
1031	$self	1505	$self
1032	}	1506	}
1033		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1034	=item $pl->quit_character	1518	=item $pl->quit_character
1035		1519
1036	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1038		1522
1039	=cut	1523	=cut
1040		1524
1041	sub quit_character {	1525	sub quit_character {
1042	my ($pl) = @_;	1526	my ($pl) = @_;
1043		1527
		1528	my $name = $pl->ob->name;
		1529
1044	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1532
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1051		1539
1052	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1544	$pl->destroy;
		1545
		1546	my $prefix = qr<^~\Q$name\E/>;
		1547
		1548	# nuke player maps
		1549	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1550
1057	IO::AIO::aio_rmtree $temp;	1551	IO::AIO::aio_rmtree $temp;
		1552	}
		1553
		1554	=item $pl->kick
		1555
		1556	Kicks a player out of the game. This destroys the connection.
		1557
		1558	=cut
		1559
		1560	sub kick {
		1561	my ($pl, $kicker) = @_;
		1562
		1563	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1564	$pl->killer ("kicked");
		1565	$pl->ns->destroy;
1058	}	1566	}
1059		1567
1060	=item cf::player::list_logins	1568	=item cf::player::list_logins
1061		1569
1062	Returns am arrayref of all valid playernames in the system, can take a	1570	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1064		1572
1065	=cut	1573	=cut
1066		1574
1067	sub list_logins {	1575	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1577	or return [];
1070		1578
1071	my @logins;	1579	my @logins;
1072		1580
1073	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1077		1591
1078	utf8::decode $login;	1592	utf8::decode $login;
1079	push @logins, $login;	1593	push @logins, $login;
1080	}	1594	}
1081		1595
…		…
1108	}	1622	}
1109		1623
1110	\@paths	1624	\@paths
1111	}	1625	}
1112		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1114		1632
1115	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1116		1634
1117	=cut	1635	=cut
1118		1636
1119	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1121		1639
1122	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1641	}
1126		1642
1127	package cf;	1643	=item $player->ext_msg ($type, @msg)
		1644
		1645	Sends an ext event to the client.
		1646
		1647	=cut
		1648
		1649	sub ext_msg($$@) {
		1650	my ($self, $type, @msg) = @_;
		1651
		1652	$self->ns->ext_msg ($type, @msg);
		1653	}
		1654
		1655	=head3 cf::region
		1656
		1657	=over 4
		1658
		1659	=cut
		1660
		1661	package cf::region;
		1662
		1663	=item cf::region::find_by_path $path
		1664
		1665	Tries to decuce the likely region for a map knowing only its path.
		1666
		1667	=cut
		1668
		1669	sub find_by_path($) {
		1670	my ($path) = @_;
		1671
		1672	my ($match, $specificity);
		1673
		1674	for my $region (list) {
		1675	if ($region->{match} && $path =~ $region->{match}) {
		1676	($match, $specificity) = ($region, $region->specificity)
		1677	if $region->specificity > $specificity;
		1678	}
		1679	}
		1680
		1681	$match
		1682	}
1128		1683
1129	=back	1684	=back
1130
1131		1685
1132	=head3 cf::map	1686	=head3 cf::map
1133		1687
1134	=over 4	1688	=over 4
1135		1689
…		…
1147	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1149		1703
1150	sub generate_random_map {	1704	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1152	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1710	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1191		1748
1192	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1193	local $self->{path};	1750	local $self->{path};
1194	local $self->{load_path};	1751	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1752
1198	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1199	}	1754	}
1200		1755
1201	sub normalise {	1756	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1249	return $self;	1804	return $self;
1250	}	1805	}
1251	}	1806	}
1252		1807
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1809	()
1255	}	1810	}
1256		1811
1257	sub init {	1812	sub init {
1258	my ($self) = @_;	1813	my ($self) = @_;
…		…
1273		1828
1274	# the original (read-only) location	1829	# the original (read-only) location
1275	sub load_path {	1830	sub load_path {
1276	my ($self) = @_;	1831	my ($self) = @_;
1277		1832
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1279	}	1834	}
1280		1835
1281	# the temporary/swap location	1836	# the temporary/swap location
1282	sub save_path {	1837	sub save_path {
1283	my ($self) = @_;	1838	my ($self) = @_;
1284		1839
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1287	}	1842	}
1288		1843
1289	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1290	sub uniq_path {	1845	sub uniq_path {
1291	my ($self) = @_;	1846	my ($self) = @_;
1292		1847
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1295	}	1850	}
1296		1851
1297	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1298	# all maps in C++...	1853	# all maps in C++...
1299	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1301		1856
1302	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1304	}	1859	}
1305		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1306	sub unlink_save {	1869	sub unlink_save {
1307	my ($self) = @_;	1870	my ($self) = @_;
1308		1871
1309	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1874	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1875	}
1318		1876
1319	sub load_header_from($) {	1877	sub load_header_from($) {
1320	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1321		1879
1322	utf8::encode $path;	1880	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1328		1889
1329	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1330		1891
1331	1	1892	1
1332	}	1893	}
…		…
1371	$self->load_header_orig	1932	$self->load_header_orig
1372	or return;	1933	or return;
1373	$self->prepare_orig;	1934	$self->prepare_orig;
1374	}	1935	}
1375		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
		1940	$self->default_region (cf::region::find_by_path $self->{path})
		1941	unless $self->default_region;
		1942
1376	1	1943	1
1377	}	1944	}
1378		1945
1379	sub find;	1946	sub find;
1380	sub find {	1947	sub find {
1381	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1382		1949
1383	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1384		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1386		1954
1387	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1389	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1390	or return;	1960	or return;
1391		1961
1392	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1393		1963
1394	$map->load_header	1964	$map->load_header
1395	or return;	1965	or return;
1396		1966
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1400	$map->reset;	1972	$map->reset;
1401	undef $guard;
1402	return find $path;	1973	return find $path;
1403	}	1974	}
1404		1975
1405	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1406	}	1977	}
…		…
1413	my ($self) = @_;	1984	my ($self) = @_;
1414		1985
1415	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1416		1987
1417	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1419		1992
		1993	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1995
1422	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1423		1997
1424	$self->alloc;	1998	$self->alloc;
1425		1999
1426	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1427		2002
1428	$self->_load_objects ($self->{load_path}, 1)	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
		2005	$self->_load_objects ($f)
1429	or return;	2006	or return;
1430		2007
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1432	if delete $self->{load_original};	2009	if delete $self->{load_original};
1433		2010
1434	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2012	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2015	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1439	}	2019	}
1440	}	2020	}
1441		2021
1442	Coro::cede;	2022	$f->resolve_delayed_derefs;
1443		2023
		2024	cf::cede_to_tick;
1444	# now do the right thing for maps	2025	# now do the right thing for maps
1445	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2028	unless $self->difficulty;
1455	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($self->{deny_activate}) {
		2032	$self->decay_objects;
		2033	$self->fix_auto_apply;
		2034	$self->update_buttons;
		2035	cf::cede_to_tick;
		2036	$self->set_darkness_map;
		2037	cf::cede_to_tick;
1456	$self->activate;	2038	$self->activate;
		2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2045	}
1458		2046
1459	$self->post_load;	2047	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2048	}
1463		2049
1464	sub customise_for {	2050	sub customise_for {
1465	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1466		2052
1467	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2054	if $self->per_player;
1469		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1470	$self	2059	$self
1471	}	2060	}
1472		2061
1473	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2063	sub load_neighbours {
1475	my ($map) = @_;	2064	my ($map) = @_;
1476		2065
1477	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1478		2067
1479	for (0 .. 3) {	2068	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1481	or next;	2070	or next;
1482	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1483	or next;	2072	or next;
1484	$neigh->load;	2073	$neigh->load;
1485		2074
		2075	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2078	}
1489		2079
1490	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1492	or next;	2083	or next;
1493	$neigh->load;	2084	$neigh->load;
1494	}	2085	}
1495	}	2086	}
1496		2087
…		…
1501	}	2092	}
1502		2093
1503	sub do_load_sync {	2094	sub do_load_sync {
1504	my ($map) = @_;	2095	my ($map) = @_;
1505		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1506	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1507	}	2101	}
1508		2102
1509	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1511		2105
1512	sub find_async {	2106	sub find_async {
1513	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1514		2108
1515	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1516		2110
1517	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2113	}
1520		2114
1521	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1522	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1523	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2122	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2123	$map->load if $v;
		2124	}
1528		2125
1529	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1530	}	2127	}
1531	}	2128	}
1532	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1533	};	2130	};
1534	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2134	}
1538		2135
1539	sub save {	2136	sub save {
1540	my ($self) = @_;	2137	my ($self) = @_;
1541		2138
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2140
1544	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1545		2142
1546	return unless $self->dirty;	2143	return unless $self->dirty;
1547		2144
…		…
1553	return if $self->{deny_save};	2150	return if $self->{deny_save};
1554		2151
1555	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1556		2153
1557	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1559	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1560		2160
1561	if ($uniq) {	2161	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2164	} else {
…		…
1570	my ($self) = @_;	2170	my ($self) = @_;
1571		2171
1572	# save first because save cedes	2172	# save first because save cedes
1573	$self->save;	2173	$self->save;
1574		2174
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2176
1577	return if $self->players;	2177	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2179	return if $self->{deny_save};
1580		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2185	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2186	}
1584		2187
1585	sub reset_at {	2188	sub reset_at {
1586	my ($self) = @_;	2189	my ($self) = @_;
1587		2190
1588	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1591		2193
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2196
…		…
1605	my ($self) = @_;	2207	my ($self) = @_;
1606		2208
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2210
1609	return if $self->players;	2211	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2212
1612	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
		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	}
1613		2224
1614	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1615		2226
1616	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2229	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2230
1621	$self->unlink_save;	2231	$self->unlink_save;
1622	$self->destroy;	2232	$self->destroy;
1623	}	2233	}
1624		2234
1625	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1626		2236
1627	sub nuke {	2237	sub nuke {
1628	my ($self) = @_;	2238	my ($self) = @_;
1629		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1630	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1631		2244
1632	$self->unlink_save;	2245	$self->unlink_save;
1633		2246
1634	bless $self, "cf::map";	2247	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2252
1640	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1641		2255
1642	$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	]
1643	}	2293	}
1644		2294
1645	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1646		2296
1647	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2298	instantiated unique items. May block.
1649		2299
1650	=cut	2300	=cut
1651		2301
1652	sub unique_maps() {	2302	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1654	or return;	2304	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2305	utf8::decode $_;
1660	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2308	? ()
1663	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2311	]
1665
1666	\@paths
1667	}	2312	}
1668
1669	package cf;
1670		2313
1671	=back	2314	=back
1672		2315
1673	=head3 cf::object	2316	=head3 cf::object
1674		2317
…		…
1678		2321
1679	=over 4	2322	=over 4
1680		2323
1681	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1682		2325
1683	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.
1684		2328
1685	=cut	2329	=cut
1686		2330
1687	sub inv_recursive_;	2331	sub inv_recursive_;
1688	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1691		2335
1692	sub inv_recursive {	2336	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1694	}	2338	}
1695		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
1696	package cf;	2368	package cf;
1697		2369
1698	=back	2370	=back
1699		2371
1700	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1706	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>
1707	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
1708	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1709		2381
1710	=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	};
1711		2397
1712	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1713	# with dialog boxes.	2399	# with dialog boxes.
1714	#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
1715	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1717		2403
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2405
1720	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1722	} 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 {
1723	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1725	}	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 (@_);
1726	}	2431	}
1727		2432
1728	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1729		2434
1730	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1743		2448
1744	=item $player_object->enter_link	2449	=item $player_object->enter_link
1745		2450
1746	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}>).
1747		2452
1748	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.
1749	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.
1750		2457
1751	Will never block.	2458	Will never block.
1752		2459
1753	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1754		2461
…		…
1777	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1778		2485
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2487
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1783		2490
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2492	}
1786		2493
1787	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1789		2498
1790	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1791		2500
1792	unless ($map) {	2501	unless ($map) {
1793	# restore original map position	2502	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1810		2519
1811	$map->load;	2520	$map->load;
1812	$map->load_diag;	2521	$map->load_neighbours;
1813		2522
1814	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1815	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1817	}	2529	}
1818		2530
1819	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2532
1823	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1827	};	2537	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2538
1833	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1834	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850		2541
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1854		2545
1855	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1856	my ($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;
1857		2551
1858	$self->enter_link;	2552	$self->enter_link;
1859		2553
1860	(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
1861	my $map = eval {	2576	my $map = eval {
1862	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1863	$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
1864	$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 $@;
1865	} or	2592	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1869	})->prio (1);	2600	})->prio (1);
1870	}	2601	}
1871		2602
1872	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1873		2604
…		…
1893	}	2624	}
1894		2625
1895	sub prepare_random_map {	2626	sub prepare_random_map {
1896	my ($exit) = @_;	2627	my ($exit) = @_;
1897		2628
1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1901	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1902	# that depends on the exit object	2631	# that depends on the exit object
1903		2632
1904	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1906	if ($exit->map) {	2635	if ($exit->map) {
1907	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1908	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1909	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1910	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1911	}	2642	}
1912		2643
1913	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1914		2645
1915	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1918		2649
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2652	undef $fh;
1922	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1923		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1924	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1925	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1926	}	2661	}
1927	}	2662	}
1928		2663
1929	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1930	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1931		2666
1932	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1933		2668
1934	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
1936	cf::sync_job { prepare_random_map $exit };
1937	}
1938
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;
1942
1943	$self->enter_link;	2669	$self->enter_link;
1944		2670
1945	(async {	2671	(async {
1946	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1947	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
1948	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1949		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
1950	1;	2695	1
1951	}) {	2696	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
1953	. "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. "
1954	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2701
1957	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2703	$self->leave_link;
1959	}	2704	}
1960	})->prio (1);	2705	})->prio (1);
…		…
1973		2718
1974	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1976		2721
1977	utf8::encode $text;	2722	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2724	}
1980		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	}
1981		2905
1982	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
1983		2907
1984	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
1985	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>,
1986	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>.
1987		2911
1988	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
1989	reliable at some point in the future.	2913	become reliable at some point in the future.
1990		2914
1991	=cut	2915	=cut
1992		2916
1993	sub cf::client::query {	2917	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2926	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2928
2005	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
2007	}	2933	}
2008		2934
2009	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
2010	on_reply => sub {	2941	on_reply => sub {
2011	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
2012		2943
2013	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
2014	# get handled first	2945	# get handled first
…		…
2026	} else {	2957	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2959	}
2029	}	2960	}
2030	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($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	},
2031	);	2988	);
2032		2989
2033	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2034		2991
2035	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2078		3035
2079	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2080		3037
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2082		3043
2083	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2084		3045
2085	=pod	3046	=pod
2086		3047
2087	The following fucntions and emthods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2088		3049
2089	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2090	cf::object::player player	3054	cf::object::player
2091	cf::player peaceful	3055	player
2092	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2093		3062
2094	=cut	3063	=cut
2095		3064
2096	for (	3065	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2098	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2101	) {	3072	) {
2102	no strict 'refs';	3073	no strict 'refs';
…		…
2173	=back	3144	=back
2174		3145
2175	=cut	3146	=cut
2176		3147
2177	#############################################################################	3148	#############################################################################
		3149	# the server's init and main functions
2178		3150
2179	=head2 EXTENSION DATABASE SUPPORT	3151	sub load_facedata($) {
		3152	my ($path) = @_;
2180		3153
2181	Crossfire maintains a very simple database for extension use. It can	3154	# HACK to clear player env face cache, we need some signal framework
2182	currently store anything that can be serialised using Storable, which	3155	# for this (global event?)
2183	excludes objects.	3156	%ext::player_env::MUSIC_FACE_CACHE = ();
2184		3157
2185	The parameter C<$family> should best start with the name of the extension	3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2186	using it, it should be unique.
2187		3159
2188	=over 4	3160	warn "loading facedata from $path\n";
2189		3161
2190	=item $value = cf::db_get $family => $key	3162	my $facedata;
		3163	0 < aio_load $path, $facedata
		3164	or die "$path: $!";
2191		3165
2192	Returns a single value from the database.	3166	$facedata = Coro::Storable::thaw $facedata;
2193		3167
2194	=item cf::db_put $family => $key => $value	3168	$facedata->{version} == 2
		3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2195		3170
2196	Stores the given C<$value> in the family.	3171	# patch in the exptable
2197		3172	$facedata->{resource}{"res/exp_table"} = {
2198	=cut	3173	type => FT_RSRC,
2199		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};	3175	};
		3176	cf::cede_to_tick;
2215		3177
2216	my $path = cf::localdir . "/database.pst";	3178	{
2217	if (stat $path) {	3179	my $faces = $facedata->{faceinfo};
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220		3180
2221	cf::db_put (board => data => $pst->{board});	3181	while (my ($face, $info) = each %$faces) {
2222	cf::db_put (guildrules => data => $pst->{guildrules});	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});
2224	BDB::db_env_txn_checkpoint $DB_ENV;
2225		3183
2226	unlink $path;	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 $info->{data64};
		3188
		3189	cf::cede_to_tick;
2227	};	3190	}
		3191
		3192	while (my ($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
2228	}	3209	{
2229	}	3210	my $anims = $facedata->{animinfo};
2230		3211
2231	sub db_get($$) {	3212	while (my ($anim, $info) = each %$anims) {
2232	my $key = "$_[0]/$_[1]";	3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3214	cf::cede_to_tick;
		3215	}
2233		3216
2234	cf::sync_job {	3217	cf::anim::invalidate_all; # d'oh
2235	BDB::db_get $DB, undef, $key, my $data;	3218	}
2236		3219
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}	3220	{
2240	}	3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
2241		3224
2242	sub db_put($$$) {	3225	while (my ($name, $info) = each %$res) {
2243	BDB::dbreq_pri 4;	3226	if (defined $info->{type}) {
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2245	}	3228	my $data;
2246		3229
2247	#############################################################################	3230	if ($info->{type} & 1) {
2248	# the server's init and main functions	3231	# prepend meta info
2249		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, $v);
		3283	}
		3284	};
		3285
2250	sub load_resources {	3286	sub load_resource_file($) {
2251	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"
2252	or die "unable to load regions file\n";#d#	3302	or die "unable to load regions file\n";
2253	}
2254		3303
2255	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 {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	3346	or return;
2258		3347
2259	local $/;	3348	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2261		3350
2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2263		3352
2264	$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};
2265	$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};
…		…
2271	};	3360	};
2272	warn $@ if $@;	3361	warn $@ if $@;
2273	}	3362	}
2274	}	3363	}
2275		3364
2276	sub init {	3365	sub pidfile() {
2277	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 $$;
2278	}	3382	}
2279		3383
2280	sub main {	3384	sub main {
		3385	atomic;
		3386
2281	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2283	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#
2284	(async {	3390	(async {
2285	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2286	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2287	};	3394	};
2288		3395
2289	cfg_load;	3396	{
		3397	my $guard = freeze_mainloop;
		3398	reload_config;
		3399	db_init;
2290	load_extensions;	3400	load_extensions;
2291		3401
2292	$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
2293	Event::loop;	3410	EV::loop;
2294	}	3411	}
2295		3412
2296	#############################################################################	3413	#############################################################################
2297	# initialisation and cleanup	3414	# initialisation and cleanup
2298		3415
2299	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2300	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2309	},
2310	);	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
2311	}	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 };
2312	}	3503	}
2313		3504
2314	sub emergency_save() {	3505	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2316		3507
…		…
2322	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3519	$pl->save;
2328	}	3520	}
2329	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2330		3522
2331	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2337	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
2338		3530
2339	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2342	};	3538	};
2343		3539
2344	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2345	}	3541	}
2346		3542
		3543	sub post_cleanup {
		3544	my ($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
2347	sub reload() {	3581	sub do_reload_perl() {
2348	# can/must only be called in main	3582	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2351	return;	3585	return;
2352	}	3586	}
2353		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2354	warn "reloading...";	3591	warn "reloading...";
2355		3592
2356	warn "cancelling server ticker";	3593	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3594
		3595	cf::sync_job {
		3596	cf::write_runtime_sync; # external watchdog should not bark
2359	cf::emergency_save;	3597	cf::emergency_save;
		3598	cf::write_runtime_sync; # external watchdog should not bark
2360		3599
2361	eval {	3600	warn "syncing database to disk";
		3601	BDB::db_env_txn_checkpoint $DB_ENV;
		3602
2362	# 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
2363		3604
2364	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371
2372	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2373	for (;;) {
2374	BDB::flush;
2375	IO::AIO::flush;
2376	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2378	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2379	}
2380
2381	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();
2384
2385	warn "removing commands";
2386	%COMMAND = ();
2387
2388	warn "removing ext commands";
2389	%EXTCMD = ();
2390
2391	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";
2394
2395	if (my $cb = $pkg->can ("unload")) {
2396	eval {
2397	$cb->($pkg);
2398	1
2399	} or warn "$pkg unloaded, but with errors: $@";
2400	}	3608	}
2401		3609
2402	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2403	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2404	}	3612	%EXT_CORO = ();
2405		3613
2406	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2407	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2409		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2410	warn "... unloading $k";	3623	warn "... unloading $pkg";
2411	delete $INC{$k};
2412		3624
2413	$k =~ s/\.pm$//;
2414	$k =~ s/\//::/g;
2415
2416	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2417	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2418	}	3634	}
2419		3635
2420	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;
2421	}	3651	}
2422		3652
2423	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2424	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2425	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);
2426		3656
2427	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2429		3660
2430	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3662	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2433		3664
2434	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2435		3666
2436	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2437	require cf;	3668	require cf;
2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2439		3670
2440	warn "loading config and database again";	3671	warn "loading config and database again";
2441	cf::cfg_load;	3672	cf::reload_config;
2442		3673
2443	warn "loading extensions";	3674	warn "loading extensions";
2444	cf::load_extensions;	3675	cf::load_extensions;
2445		3676
2446	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3678	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2450		3683
2451	warn "loading reloadable resources";	3684	warn "leaving sync_job";
2452	load_resources;
2453		3685
2454	warn "restarting server ticker";	3686	1
		3687	} or do {
		3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
		3690	};
2455		3691
2456	$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;
2457	};	3706	};
2458		3707	}
2459	if ($@) {
2460	warn $@;
2461	warn "error while reloading, exiting.";
2462	exit 1;
2463	}
2464
2465	warn "reloaded";
2466	};
2467
2468	our $RELOAD_WATCHER; # used only during reload
2469		3708
2470	register_command "reload" => sub {	3709	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2472		3711
2473	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
2475		3714	async {
2476	# doing reload synchronously and two reloads happen back-to-back,	3715	$Coro::current->{desc} = "perl_reload";
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;	3716	reload_perl;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);	3717	};
2488	}	3718	}
2489	};	3719	};
2490		3720
2491	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2492		3722
2493	my $bug_warning = 0;	3723	my $bug_warning = 0;
2494		3724
2495	$TICK_WATCHER = Event->timer (	3725	our @WAIT_FOR_TICK;
2496	reentrant => 0,	3726	our @WAIT_FOR_TICK_BEGIN;
2497	parked => 1,	3727
2498	prio => 0,	3728	sub wait_for_tick {
2499	at => $NEXT_TICK || $TICK,	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2500	data => WF_AUTOCANCEL,	3730
2501	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 {
2502	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2503	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"
2504	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2505	return;	3748	return;
2506	}	3749	}
2507		3750
2508	$NOW = Event::time;
2509
2510	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2511	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;
2513		3752
2514	$WAIT_FOR_TICK->broadcast;	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$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	}
2516		3761
2517	Event::sweep;	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2518	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#
2519		3777	}
2520	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#
2522
2523	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2525
2526	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;
2528	},	3778	}
2529	);	3779	}
2530		3780
2531	{	3781	{
2532	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
2533	$BDB_POLL_WATCHER = Event->io (	3783
2534	reentrant => 0,
2535	fd => BDB::poll_fileno,
2536	poll => 'r',
2537	prio => 0,
2538	data => WF_AUTOCANCEL,
2539	cb => \&BDB::poll_cb,
2540	);
2541	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
2542		3785	BDB::max_poll_reqs $TICK * 0.1;
2543	BDB::set_sync_prepare {	3786	$AnyEvent::BDB::WATCHER->priority (1);
2544	my $status;
2545	my $current = $Coro::current;
2546	(
2547	sub {
2548	$status = $!;
2549	$current->ready; undef $current;
2550	},
2551	sub {
2552	Coro::schedule while defined $current;
2553	$! = $status;
2554	},
2555	)
2556	};
2557		3787
2558	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
2559	$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);
2560		3795
2561	cf::sync_job {	3796	cf::sync_job {
2562	eval {	3797	eval {
2563	BDB::db_env_open	3798	BDB::db_env_open
2564	$DB_ENV,	3799	$DB_ENV,
2565	$BDB_ENV_DIR,	3800	$BDBDIR,
2566	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
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3803	0666;
2569		3804
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;
2574	};	3806	};
2575		3807
2576	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
2577	};	3809	};
2578	}	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	};
2579	}	3821	}
2580		3822
2581	{	3823	{
		3824	# configure IO::AIO
		3825
2582	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
2583
2584	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
2587	reentrant => 0,
2588	fd => IO::AIO::poll_fileno,
2589	poll => 'r',
2590	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,
2593	);
2594	}	3829	}
2595		3830
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3831	my $_log_backtrace;
2597	reentrant => 0,	3832
2598	data => WF_AUTOCANCEL,	3833	sub _log_backtrace {
2599	after => 1,	3834	my ($msg, @addr) = @_;
2600	interval => 10,	3835
2601	prio => 6, # keep it lowest so it acts like a watchdog	3836	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3837
2603	write_runtime	3838	# limit the # of concurrent backtraces
2604	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";
2605	},	3870	}
2606	);	3871	}
		3872
		3873	# load additional modules
		3874	use cf::pod;
2607		3875
2608	END { cf::emergency_save }	3876	END { cf::emergency_save }
2609		3877
2610	1	3878	1
2611		3879

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