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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.217 by root, Thu Feb 15 21:07:49 2007 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 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";
		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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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	}
		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($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
278	};	434	}
279	$TICK_WATCHER->stop;	435	};
280	$guard	436
		437	sub get_slot($;$$) {
		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	$sig->wait;
281	}	449	}
282		450
283	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
284		452
285	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		458
291	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
292		460
293	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
294		462
295	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
298		467
299	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
302	fast or be very important.	471	fast or be very important.
…		…
305		474
306	sub sync_job(&) {	475	sub sync_job(&) {
307	my ($job) = @_;	476	my ($job) = @_;
308		477
309	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
310	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
312		483
313	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	485
315	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
316		487
317	my $busy = 1;	488	my $busy = 1;
318	my @res;	489	my @res;
319		490
320	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	493	@res = eval { $job->() };
322	warn $@ if $@;	494	warn $@ if $@;
323	undef $busy;	495	undef $busy;
324	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
325		497
326	while ($busy) {	498	while ($busy) {
327	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
328	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
329		509
330	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
331	} else {	511	} else {
332	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
333		513
…		…
353	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
354		534
355	$coro	535	$coro
356	}	536	}
357		537
358	sub write_runtime {	538	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		539
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	Executes the given code block with the given arguments in a seperate
362	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.
363		544
364	my $value = $cf::RUNTIME + 90 + 10;	545	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		546
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub fork_call(&@) {
369	and return;	548	my ($cb, @args) = @_;
370		549
371	# always fsync - this file is important	550	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	551	# otherwise perl prematurely frees the stuff :/
373	and return;	552	# TODO: investigate and fix (likely this will be rather laborious)
374		553
375	close $fh	554	my @res = Coro::Util::fork_eval {
376	or return;	555	reset_signals;
		556	&$cb
		557	}, @args;
377		558
378	aio_rename "$runtime~", $runtime	559	wantarray ? @res : $res[-1]
379	and return;	560	}
380		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($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
381	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		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 });
382	}	725	}
383		726
384	=back	727	=back
385		728
386	=cut	729	=cut
…		…
393	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")
394	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
395		738
396	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>
397	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
398	crossfire+).	741	Deliantra).
399		742
400	=over 4	743	=over 4
401		744
402	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
403		746
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
567		910
568	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		915
573	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	917	my $pkg = shift @arg;
575		918
576	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
606	}	949	}
607		950
608	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
609	} else {	952	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	954	}
612		955
613	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
614	}	957	}
615		958
…		…
617	if (ref $_[0]) {	960	if (ref $_[0]) {
618	_object_attach @_;	961	_object_attach @_;
619	} else {	962	} else {
620	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
621	}	964	}
		965	_recalc_want;
622	};	966	};
623		967
624	# all those should be optimised	968	# all those should be optimised
625	sub cf::attachable::detach {	969	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
630	reattach ($obj);	974	reattach ($obj);
631	} else {	975	} else {
632	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
633	}	977	}
		978	_recalc_want;
634	};	979	};
635		980
636	sub cf::attachable::attached {	981	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
638		983
…		…
653	";	998	";
654	die if $@;	999	die if $@;
655	}	1000	}
656		1001
657	our $override;	1002	our $override;
658	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?
659		1004
660	sub override {	1005	sub override {
661	$override = 1;	1006	$override = 1;
662	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
663	}	1008	}
664		1009
665	sub do_invoke {	1010	sub do_invoke {
666	my $event = shift;	1011	my $event = shift;
667	my $callbacks = shift;	1012	my $callbacks = shift;
668		1013
669	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
670		1015
671	local $override;	1016	local $override;
672		1017
673	for (@$callbacks) {	1018	for (@$callbacks) {
674	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
683	}	1028	}
684		1029
685	0	1030	0
686	}	1031	}
687		1032
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1034
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1036
692	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
693		1038
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1042
698	=back	1043	=back
699		1044
700	=cut	1045	=cut
701		1046
702	#############################################################################	1047	#############################################################################
703	# 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, $ob2
		1090	}
704		1091
705	sub reattach {	1092	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1094	my ($obj) = @_;
708		1095
		1096	# no longer needed after getting rid of delete_package?
709	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
710		1098
711	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
712		1100
713	@$registry = ();	1101	@$registry = ();
714		1102
…		…
729	cf::attachable->attach (	1117	cf::attachable->attach (
730	prio => -1000000,	1118	prio => -1000000,
731	on_instantiate => sub {	1119	on_instantiate => sub {
732	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
733		1121
734	$data = from_json $data;	1122	$data = decode_json $data;
735		1123
736	for (@$data) {	1124	for (@$data) {
737	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
738		1126
739	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1143	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
757		1145
758	sync_job {	1146	sync_job {
759	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
762		1151
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1156	aio_close $fh;
768		1157
769	if (@$objs) {	1158	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1164	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
777	}	1166	}
778	} else {	1167	} else {
779	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
780	}	1169	}
…		…
785	}	1174	}
786	} else {	1175	} else {
787	aio_unlink $filename;	1176	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
789	}	1178	}
790	}	1179	};
791	}	1180	}
792		1181
793	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
795		1184
…		…
807	or return;	1196	or return;
808		1197
809	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
811	or return;	1200	or return;
		1201
812	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
813	}	1204	}
814		1205
		1206	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
817	return ($data, $av);	1210	($data, $av)
818	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
819		1218
820	#############################################################################	1219	#############################################################################
821	# command handling &c	1220	# command handling &c
822		1221
823	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1236	}
838		1237
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1239
841	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
842		1245
843	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
844	called.	1247	called.
845		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
846	=cut	1260	=cut
847		1261
848	sub register_extcmd {	1262	sub register_extcmd {
849	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
850		1264
851	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
852	}	1272	}
853		1273
854	cf::player->attach (	1274	cf::player->attach (
855	on_command => sub {	1275	on_command => sub {
856	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1285	cf::override;
866	},	1286	},
867	on_extcmd => sub {	1287	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
869		1289
870	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1291
872	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
878	} else {	1307	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1309	}
881		1310
882	cf::override;	1311	cf::override;
883	},	1312	},
884	);	1313	);
885		1314
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
921	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1320	next unless -r $path;
923	eval {	1321
924	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
925	1	1378	}
926	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
927	}	1384	};
928	}	1385	}
929		1386
930	#############################################################################	1387	#############################################################################
931		1388
		1389	=back
		1390
932	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
933		1392
934	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
935		1394
936	=cut	1395	=cut
…		…
941		1400
942	=head3 cf::player	1401	=head3 cf::player
943		1402
944	=over 4	1403	=over 4
945		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
946	=item cf::player::find $login	1419	=item cf::player::find $login
947		1420
948	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
949		1422
950	=cut	1423	=cut
951		1424
952	sub playerdir($) {	1425	sub playerdir($) {
953	cf::localdir	1426	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1428	}
959		1429
960	sub path($) {	1430	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1432
963	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
964	}	1434	}
965		1435
966	sub find_active($) {	1436	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1451	my $login = $_[0];
982		1452
983	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
984		1454
985	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1456	# rename old playerfiles to new ones
		1457	#TODO: remove when no longer required
		1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1461	aio_unlink +(playerdir $login) . "/$login.pl";
		1462
		1463	my $f = new_from_file cf::object::thawer path $login
987	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
989	}	1472	}
990	}	1473	}
991	}	1474	}
992		1475
…		…
1001	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1002		1485
1003	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1005		1488
		1489	cf::get_slot 0.01;
		1490
1006	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1007	Coro::cede;	1492	cf::cede_to_tick;
1008	}	1493	}
1009		1494
1010	sub new($) {	1495	sub new($) {
1011	my ($login) = @_;	1496	my ($login) = @_;
1012		1497
…		…
1018	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1019		1504
1020	$self	1505	$self
1021	}	1506	}
1022		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1023	=item $pl->quit_character	1518	=item $pl->quit_character
1024		1519
1025	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1027		1522
1028	=cut	1523	=cut
1029		1524
1030	sub quit_character {	1525	sub quit_character {
1031	my ($pl) = @_;	1526	my ($pl) = @_;
1032		1527
		1528	my $name = $pl->ob->name;
		1529
1033	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1532
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1040		1539
1041	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1544	$pl->destroy;
		1545
		1546	my $prefix = qr<^~\Q$name\E/>;
		1547
		1548	# nuke player maps
		1549	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1550
1046	IO::AIO::aio_rmtree $temp;	1551	IO::AIO::aio_rmtree $temp;
		1552	}
		1553
		1554	=item $pl->kick
		1555
		1556	Kicks a player out of the game. This destroys the connection.
		1557
		1558	=cut
		1559
		1560	sub kick {
		1561	my ($pl, $kicker) = @_;
		1562
		1563	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1564	$pl->killer ("kicked");
		1565	$pl->ns->destroy;
1047	}	1566	}
1048		1567
1049	=item cf::player::list_logins	1568	=item cf::player::list_logins
1050		1569
1051	Returns am arrayref of all valid playernames in the system, can take a	1570	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1053		1572
1054	=cut	1573	=cut
1055		1574
1056	sub list_logins {	1575	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1577	or return [];
1059		1578
1060	my @logins;	1579	my @logins;
1061		1580
1062	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1066		1591
1067	utf8::decode $login;	1592	utf8::decode $login;
1068	push @logins, $login;	1593	push @logins, $login;
1069	}	1594	}
1070		1595
…		…
1097	}	1622	}
1098		1623
1099	\@paths	1624	\@paths
1100	}	1625	}
1101		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1103		1632
1104	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1105		1634
1106	=cut	1635	=cut
1107		1636
1108	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1110		1639
1111	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1641	}
1115		1642
1116	package cf;	1643	=item $player->ext_msg ($type, @msg)
		1644
		1645	Sends an ext event to the client.
		1646
		1647	=cut
		1648
		1649	sub ext_msg($$@) {
		1650	my ($self, $type, @msg) = @_;
		1651
		1652	$self->ns->ext_msg ($type, @msg);
		1653	}
		1654
		1655	=head3 cf::region
		1656
		1657	=over 4
		1658
		1659	=cut
		1660
		1661	package cf::region;
		1662
		1663	=item cf::region::find_by_path $path
		1664
		1665	Tries to decuce the likely region for a map knowing only its path.
		1666
		1667	=cut
		1668
		1669	sub find_by_path($) {
		1670	my ($path) = @_;
		1671
		1672	my ($match, $specificity);
		1673
		1674	for my $region (list) {
		1675	if ($region->{match} && $path =~ $region->{match}) {
		1676	($match, $specificity) = ($region, $region->specificity)
		1677	if $region->specificity > $specificity;
		1678	}
		1679	}
		1680
		1681	$match
		1682	}
1117		1683
1118	=back	1684	=back
1119
1120		1685
1121	=head3 cf::map	1686	=head3 cf::map
1122		1687
1123	=over 4	1688	=over 4
1124		1689
…		…
1136	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1138		1703
1139	sub generate_random_map {	1704	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1141	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1710	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1180		1748
1181	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1182	local $self->{path};	1750	local $self->{path};
1183	local $self->{load_path};	1751	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1752
1187	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1188	}	1754	}
1189		1755
1190	sub normalise {	1756	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1238	return $self;	1804	return $self;
1239	}	1805	}
1240	}	1806	}
1241		1807
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1809	()
1244	}	1810	}
1245		1811
1246	sub init {	1812	sub init {
1247	my ($self) = @_;	1813	my ($self) = @_;
…		…
1262		1828
1263	# the original (read-only) location	1829	# the original (read-only) location
1264	sub load_path {	1830	sub load_path {
1265	my ($self) = @_;	1831	my ($self) = @_;
1266		1832
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1268	}	1834	}
1269		1835
1270	# the temporary/swap location	1836	# the temporary/swap location
1271	sub save_path {	1837	sub save_path {
1272	my ($self) = @_;	1838	my ($self) = @_;
1273		1839
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1276	}	1842	}
1277		1843
1278	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1279	sub uniq_path {	1845	sub uniq_path {
1280	my ($self) = @_;	1846	my ($self) = @_;
1281		1847
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1284	}	1850	}
1285		1851
1286	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1287	# all maps in C++...	1853	# all maps in C++...
1288	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1290		1856
1291	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1293	}	1859	}
1294		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1295	sub unlink_save {	1869	sub unlink_save {
1296	my ($self) = @_;	1870	my ($self) = @_;
1297		1871
1298	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1876
1303	sub load_header_from($) {	1877	sub load_header_from($) {
1304	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1305		1879
1306	utf8::encode $path;	1880	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	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;
1312		1889
1313	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1314		1891
1315	1	1892	1
1316	}	1893	}
…		…
1355	$self->load_header_orig	1932	$self->load_header_orig
1356	or return;	1933	or return;
1357	$self->prepare_orig;	1934	$self->prepare_orig;
1358	}	1935	}
1359		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
1360	1	1943	1
1361	}	1944	}
1362		1945
1363	sub find;	1946	sub find;
1364	sub find {	1947	sub find {
1365	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1366		1949
1367	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1368		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1370		1954
1371	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1372	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1373	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1374	or return;	1960	or return;
1375		1961
1376	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1377		1963
1378	$map->load_header	1964	$map->load_header
1379	or return;	1965	or return;
1380		1966
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1384	$map->reset;	1972	$map->reset;
1385	undef $guard;
1386	return find $path;	1973	return find $path;
1387	}	1974	}
1388		1975
1389	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1390	}	1977	}
…		…
1397	my ($self) = @_;	1984	my ($self) = @_;
1398		1985
1399	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1400		1987
1401	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1403		1992
		1993	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		1995
1406	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1407		1997
1408	$self->alloc;	1998	$self->alloc;
1409		1999
1410	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1411		2002
1412	$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)
1413	or return;	2006	or return;
1414		2007
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1416	if delete $self->{load_original};	2009	if delete $self->{load_original};
1417		2010
1418	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2012	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2015	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1423	}	2019	}
1424	}	2020	}
1425		2021
1426	Coro::cede;	2022	$f->resolve_delayed_derefs;
1427		2023
		2024	cf::cede_to_tick;
1428	# now do the right thing for maps	2025	# now do the right thing for maps
1429	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2028	unless $self->difficulty;
1439	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;
1440	$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);
1441	}	2045	}
1442		2046
1443	$self->post_load;	2047	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2048	}
1447		2049
1448	sub customise_for {	2050	sub customise_for {
1449	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1450		2052
1451	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2054	if $self->per_player;
1453		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1454	$self	2059	$self
1455	}	2060	}
1456		2061
1457	# 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
1458	sub load_diag {	2063	sub load_neighbours {
1459	my ($map) = @_;	2064	my ($map) = @_;
1460		2065
1461	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1462		2067
1463	for (0 .. 3) {	2068	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1465	or next;	2070	or next;
1466	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1467	or next;	2072	or next;
1468	$neigh->load;	2073	$neigh->load;
1469		2074
		2075	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2078	}
1473		2079
1474	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1476	or next;	2083	or next;
1477	$neigh->load;	2084	$neigh->load;
1478	}	2085	}
1479	}	2086	}
1480		2087
…		…
1485	}	2092	}
1486		2093
1487	sub do_load_sync {	2094	sub do_load_sync {
1488	my ($map) = @_;	2095	my ($map) = @_;
1489		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1490	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1491	}	2101	}
1492		2102
1493	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1495		2105
1496	sub find_async {	2106	sub find_async {
1497	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1498		2108
1499	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1500		2110
1501	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2113	}
1504		2114
1505	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1506	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1507	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2122	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2123	$map->load if $v;
		2124	}
1512		2125
1513	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1514	}	2127	}
1515	}	2128	}
1516	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1517	};	2130	};
1518	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2134	}
1522		2135
1523	sub save {	2136	sub save {
1524	my ($self) = @_;	2137	my ($self) = @_;
1525		2138
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2140
1528	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1529		2142
1530	return unless $self->dirty;	2143	return unless $self->dirty;
1531		2144
…		…
1537	return if $self->{deny_save};	2150	return if $self->{deny_save};
1538		2151
1539	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1540		2153
1541	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1543	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1544		2160
1545	if ($uniq) {	2161	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2164	} else {
…		…
1554	my ($self) = @_;	2170	my ($self) = @_;
1555		2171
1556	# save first because save cedes	2172	# save first because save cedes
1557	$self->save;	2173	$self->save;
1558		2174
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2176
1561	return if $self->players;	2177	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1563	return if $self->{deny_save};	2179	return if $self->{deny_save};
1564		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2185	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2186	}
1568		2187
1569	sub reset_at {	2188	sub reset_at {
1570	my ($self) = @_;	2189	my ($self) = @_;
1571		2190
1572	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1575		2193
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	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;
1578		2196
…		…
1589	my ($self) = @_;	2207	my ($self) = @_;
1590		2208
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2210
1593	return if $self->players;	2211	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2212
1596	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1597		2214
1598	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1599		2216
1600	# need to save uniques path	2217	# need to save uniques path
1601	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2222	if $uniq;
1606	}	2223	}
1607		2224
1608	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1609		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2229	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2230
1614	$self->unlink_save;	2231	$self->unlink_save;
1615	$self->destroy;	2232	$self->destroy;
1616	}	2233	}
1617		2234
1618	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1619		2236
1620	sub nuke {	2237	sub nuke {
1621	my ($self) = @_;	2238	my ($self) = @_;
1622		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1623	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1624		2244
1625	$self->unlink_save;	2245	$self->unlink_save;
1626		2246
1627	bless $self, "cf::map";	2247	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2252
1633	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1634		2255
1635	$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	]
1636	}	2293	}
1637		2294
1638	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1639		2296
1640	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2298	instantiated unique items. May block.
1642		2299
1643	=cut	2300	=cut
1644		2301
1645	sub unique_maps() {	2302	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1647	or return;	2304	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2305	utf8::decode $_;
1653	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2308	? ()
1656	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2311	]
1658
1659	\@paths
1660	}	2312	}
1661
1662	package cf;
1663		2313
1664	=back	2314	=back
1665		2315
1666	=head3 cf::object	2316	=head3 cf::object
1667		2317
…		…
1671		2321
1672	=over 4	2322	=over 4
1673		2323
1674	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1675		2325
1676	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.
1677		2328
1678	=cut	2329	=cut
1679		2330
1680	sub inv_recursive_;	2331	sub inv_recursive_;
1681	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1684		2335
1685	sub inv_recursive {	2336	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1687	}	2338	}
1688		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
1689	package cf;	2368	package cf;
1690		2369
1691	=back	2370	=back
1692		2371
1693	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1699	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>
1700	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
1701	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1702		2381
1703	=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	};
1704		2397
1705	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2399	# with dialog boxes.
1707	#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
1708	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1710		2403
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2405
1713	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1715	} 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 {
1716	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1718	}	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 (@_);
1719	}	2431	}
1720		2432
1721	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1722		2434
1723	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2482	$self->deactivate_recursive;
1771		2483
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2484	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2485
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2487	if $self->map && $self->map->{path} ne "{link}";
1776		2488
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2489	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2490	}
1779		2491
1780	sub cf::object::player::leave_link {	2492	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2493	my ($self, $map, $x, $y) = @_;
		2494
		2495	return unless $self->contr->active;
1782		2496
1783	my $link_pos = delete $self->{_link_pos};	2497	my $link_pos = delete $self->{_link_pos};
1784		2498
1785	unless ($map) {	2499	unless ($map) {
1786	# restore original map position	2500	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2514	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2515	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2516	if $x <=0 && $y <= 0;
1803		2517
1804	$map->load;	2518	$map->load;
1805	$map->load_diag;	2519	$map->load_neighbours;
1806		2520
1807	return unless $self->contr->active;	2521	return unless $self->contr->active;
1808	$self->activate_recursive;	2522	$self->activate_recursive;
1809		2523
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2525	$self->enter_map ($map, $x, $y);
1812	}	2526	}
1813		2527
1814	cf::player->attach (	2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2529
1818	# abort map switching before logout	2530	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2531	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2532	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2533	the new (success) or old (failed) map position. In either case, $done will
1822	};	2534	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2535
1828	# try to abort aborted map switching on player login :)	2536	Note that $check will be called with a potentially non-loaded map, so if
1829	# should happen only on crashes	2537	it needs a loaded map it has to call C<< ->load >>.
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2538
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1849		2542
1850	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2548
1853	$self->enter_link;	2549	$self->enter_link;
1854		2550
1855	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1856	my $map = eval {	2573	my $map = eval {
1857	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1859	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2589	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1864	})->prio (1);	2597	})->prio (1);
1865	}	2598	}
1866		2599
1867	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1868		2601
…		…
1888	}	2621	}
1889		2622
1890	sub prepare_random_map {	2623	sub prepare_random_map {
1891	my ($exit) = @_;	2624	my ($exit) = @_;
1892		2625
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2626	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2627	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2628	# that depends on the exit object
1898		2629
1899	my $rmp = parse_random_map_params $exit->msg;	2630	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2632	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2633	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2634	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2635	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2636	$rmp->{origin_y} = $exit->y;
		2637
		2638	$exit->map->touch;
1906	}	2639	}
1907		2640
1908	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1909		2642
1910	my $data = cf::to_json $rmp;	2643	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1913		2646
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2649	undef $fh;
1917	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
1918		2651
		2652	my $slaying = "?random/$md5";
		2653
		2654	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2655	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2656	$exit->msg (undef);
		2657	}
1921	}	2658	}
1922	}	2659	}
1923		2660
1924	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
1926		2663
1927	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1928		2665
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2666	$self->enter_link;
1939		2667
1940	(async {	2668	(async {
1941	$self->deactivate_recursive; # just to be sure	2669	$Coro::current->{desc} = "enter_exit";
		2670
1942	unless (eval {	2671	unless (eval {
		2672	$self->deactivate_recursive; # just to be sure
		2673
		2674	# random map handling
		2675	{
		2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2677
		2678	prepare_random_map $exit
		2679	if $exit->slaying eq "/!";
		2680	}
		2681
		2682	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $x = $exit->stats->hp;
		2684	my $y = $exit->stats->sp;
		2685
1943	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($map, $x, $y);
1944		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($map, $x, $y)
		2690	if $exit->flag (cf::FLAG_DAMNED);
		2691
1945	1;	2692	1
1946	}) {	2693	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2694	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2695	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2696	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2697	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2698
1952	warn "ERROR in enter_exit: $@";	2699	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2700	$self->leave_link;
1954	}	2701	}
1955	})->prio (1);	2702	})->prio (1);
…		…
1968		2715
1969	sub cf::client::send_drawinfo {	2716	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2717	my ($self, $text, $flags) = @_;
1971		2718
1972	utf8::encode $text;	2719	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2720	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2721	}
1975		2722
		2723	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2724
		2725	Send a drawinfo or msg packet to the client, formatting the msg for the
		2726	client if neccessary. C<$type> should be a string identifying the type of
		2727	the message, with C<log> being the default. If C<$color> is negative, suppress
		2728	the message unless the client supports the msg packet.
		2729
		2730	=cut
		2731
		2732	# non-persistent channels (usually the info channel)
		2733	our %CHANNEL = (
		2734	"c/identify" => {
		2735	id => "infobox",
		2736	title => "Identify",
		2737	reply => undef,
		2738	tooltip => "Items recently identified",
		2739	},
		2740	"c/examine" => {
		2741	id => "infobox",
		2742	title => "Examine",
		2743	reply => undef,
		2744	tooltip => "Signs and other items you examined",
		2745	},
		2746	"c/book" => {
		2747	id => "infobox",
		2748	title => "Book",
		2749	reply => undef,
		2750	tooltip => "The contents of a note or book",
		2751	},
		2752	"c/lookat" => {
		2753	id => "infobox",
		2754	title => "Look",
		2755	reply => undef,
		2756	tooltip => "What you saw there",
		2757	},
		2758	"c/who" => {
		2759	id => "infobox",
		2760	title => "Players",
		2761	reply => undef,
		2762	tooltip => "Shows players who are currently online",
		2763	},
		2764	"c/body" => {
		2765	id => "infobox",
		2766	title => "Body Parts",
		2767	reply => undef,
		2768	tooltip => "Shows which body parts you posess and are available",
		2769	},
		2770	"c/uptime" => {
		2771	id => "infobox",
		2772	title => "Uptime",
		2773	reply => undef,
		2774	tooltip => "How long the server has been running since last restart",
		2775	},
		2776	"c/mapinfo" => {
		2777	id => "infobox",
		2778	title => "Map Info",
		2779	reply => undef,
		2780	tooltip => "Information related to the maps",
		2781	},
		2782	"c/party" => {
		2783	id => "party",
		2784	title => "Party",
		2785	reply => "gsay ",
		2786	tooltip => "Messages and chat related to your party",
		2787	},
		2788	);
		2789
		2790	sub cf::client::send_msg {
		2791	my ($self, $channel, $msg, $color, @extra) = @_;
		2792
		2793	$msg = $self->pl->expand_cfpod ($msg);
		2794
		2795	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2796
		2797	# check predefined channels, for the benefit of C
		2798	if ($CHANNEL{$channel}) {
		2799	$channel = $CHANNEL{$channel};
		2800
		2801	$self->ext_msg (channel_info => $channel)
		2802	if $self->can_msg;
		2803
		2804	$channel = $channel->{id};
		2805
		2806	} elsif (ref $channel) {
		2807	# send meta info to client, if not yet sent
		2808	unless (exists $self->{channel}{$channel->{id}}) {
		2809	$self->{channel}{$channel->{id}} = $channel;
		2810	$self->ext_msg (channel_info => $channel)
		2811	if $self->can_msg;
		2812	}
		2813
		2814	$channel = $channel->{id};
		2815	}
		2816
		2817	return unless @extra || length $msg;
		2818
		2819	if ($self->can_msg) {
		2820	# default colour, mask it out
		2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2822	if $color & cf::NDI_DEF;
		2823
		2824	my $pkt = "msg "
		2825	. $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2827	);
		2828
		2829	# try lzf for large packets
		2830	$pkt = "lzf " . Compress::LZF::compress $pkt
		2831	if 1024 <= length $pkt and $self->{can_lzf};
		2832
		2833	# split very large packets
		2834	if (8192 < length $pkt and $self->{can_lzf}) {
		2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2836	$pkt = "frag";
		2837	}
		2838
		2839	$self->send_packet ($pkt);
		2840	} else {
		2841	if ($color >= 0) {
		2842	# replace some tags by gcfclient-compatible ones
		2843	for ($msg) {
		2844	1 while
		2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2850	}
		2851
		2852	$color &= cf::NDI_COLOR_MASK;
		2853
		2854	utf8::encode $msg;
		2855
		2856	if (0 && $msg =~ /\[/) {
		2857	# COMMAND/INFO
		2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2859	} else {
		2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2861	$self->send_packet ("drawinfo $color $msg")
		2862	}
		2863	}
		2864	}
		2865	}
		2866
		2867	=item $client->ext_msg ($type, @msg)
		2868
		2869	Sends an ext event to the client.
		2870
		2871	=cut
		2872
		2873	sub cf::client::ext_msg($$@) {
		2874	my ($self, $type, @msg) = @_;
		2875
		2876	if ($self->extcmd == 2) {
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2878	} elsif ($self->extcmd == 1) { # TODO: remove
		2879	push @msg, msgtype => "event_$type";
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2881	}
		2882	}
		2883
		2884	=item $client->ext_reply ($msgid, @msg)
		2885
		2886	Sends an ext reply to the client.
		2887
		2888	=cut
		2889
		2890	sub cf::client::ext_reply($$@) {
		2891	my ($self, $id, @msg) = @_;
		2892
		2893	if ($self->extcmd == 2) {
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2895	} elsif ($self->extcmd == 1) {
		2896	#TODO: version 1, remove
		2897	unshift @msg, msgtype => "reply", msgid => $id;
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
		2900	}
1976		2901
1977	=item $success = $client->query ($flags, "text", \&cb)	2902	=item $success = $client->query ($flags, "text", \&cb)
1978		2903
1979	Queues a query to the client, calling the given callback with	2904	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2905	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2906	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2907
1983	Queries can fail, so check the return code. Or don't, as queries will become	2908	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2909	become reliable at some point in the future.
1985		2910
1986	=cut	2911	=cut
1987		2912
1988	sub cf::client::query {	2913	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2914	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2922	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2923	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2924
2000	$self->send_packet ($self->{query_queue}[0][0])	2925	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2926	if @{ $self->{query_queue} } == 1;
		2927
		2928	1
2002	}	2929	}
2003		2930
2004	cf::client->attach (	2931	cf::client->attach (
		2932	on_connect => sub {
		2933	my ($ns) = @_;
		2934
		2935	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2936	},
2005	on_reply => sub {	2937	on_reply => sub {
2006	my ($ns, $msg) = @_;	2938	my ($ns, $msg) = @_;
2007		2939
2008	# this weird shuffling is so that direct followup queries	2940	# this weird shuffling is so that direct followup queries
2009	# get handled first	2941	# get handled first
…		…
2021	} else {	2953	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2955	}
2024	}	2956	}
2025	},	2957	},
		2958	on_exticmd => sub {
		2959	my ($ns, $buf) = @_;
		2960
		2961	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2962
		2963	if (ref $msg) {
		2964	my ($type, $reply, @payload) =
		2965	"ARRAY" eq ref $msg
		2966	? @$msg
		2967	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2968
		2969	my @reply;
		2970
		2971	if (my $cb = $EXTICMD{$type}) {
		2972	@reply = $cb->($ns, @payload);
		2973	}
		2974
		2975	$ns->ext_reply ($reply, @reply)
		2976	if $reply;
		2977
		2978	} else {
		2979	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2980	}
		2981
		2982	cf::override;
		2983	},
2026	);	2984	);
2027		2985
2028	=item $client->async (\&cb)	2986	=item $client->async (\&cb)
2029		2987
2030	Create a new coroutine, running the specified callback. The coroutine will	2988	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3029	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3030	our $safe_hole = new Safe::Hole;
2073		3031
2074	$SIG{FPE} = 'IGNORE';	3032	$SIG{FPE} = 'IGNORE';
2075		3033
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3034	$safe->permit_only (Opcode::opset qw(
		3035	:base_core :base_mem :base_orig :base_math
		3036	grepstart grepwhile mapstart mapwhile
		3037	sort time
		3038	));
2077		3039
2078	# here we export the classes and methods available to script code	3040	# here we export the classes and methods available to script code
2079		3041
2080	=pod	3042	=pod
2081		3043
2082	The following fucntions and emthods are available within a safe environment:	3044	The following functions and methods are available within a safe environment:
2083		3045
2084	cf::object contr pay_amount pay_player map	3046	cf::object
		3047	contr pay_amount pay_player map x y force_find force_add destroy
		3048	insert remove name archname title slaying race decrease split
		3049
2085	cf::object::player player	3050	cf::object::player
2086	cf::player peaceful	3051	player
2087	cf::map trigger	3052
		3053	cf::player
		3054	peaceful
		3055
		3056	cf::map
		3057	trigger
2088		3058
2089	=cut	3059	=cut
2090		3060
2091	for (	3061	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3063	insert remove inv nrof name archname title slaying race
		3064	decrease split destroy change_exp)],
2093	["cf::object::player" => qw(player)],	3065	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3066	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	3067	["cf::map" => qw(trigger)],
2096	) {	3068	) {
2097	no strict 'refs';	3069	no strict 'refs';
…		…
2168	=back	3140	=back
2169		3141
2170	=cut	3142	=cut
2171		3143
2172	#############################################################################	3144	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3145	# the server's init and main functions
2246		3146
2247	sub init_resources {	3147	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3148	my ($path) = @_;
		3149
		3150	# HACK to clear player env face cache, we need some signal framework
		3151	# for this (global event?)
		3152	%ext::player_env::MUSIC_FACE_CACHE = ();
		3153
		3154	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3155
		3156	warn "loading facedata from $path\n";
		3157
		3158	my $facedata;
		3159	0 < aio_load $path, $facedata
		3160	or die "$path: $!";
		3161
		3162	$facedata = Coro::Storable::thaw $facedata;
		3163
		3164	$facedata->{version} == 2
		3165	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3166
		3167	# patch in the exptable
		3168	$facedata->{resource}{"res/exp_table"} = {
		3169	type => FT_RSRC,
		3170	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3171	};
		3172	cf::cede_to_tick;
		3173
		3174	{
		3175	my $faces = $facedata->{faceinfo};
		3176
		3177	while (my ($face, $info) = each %$faces) {
		3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3179
		3180	cf::face::set_visibility $idx, $info->{visibility};
		3181	cf::face::set_magicmap $idx, $info->{magicmap};
		3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3184
		3185	cf::cede_to_tick;
		3186	}
		3187
		3188	while (my ($face, $info) = each %$faces) {
		3189	next unless $info->{smooth};
		3190
		3191	my $idx = cf::face::find $face
		3192	or next;
		3193
		3194	if (my $smooth = cf::face::find $info->{smooth}) {
		3195	cf::face::set_smooth $idx, $smooth;
		3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3197	} else {
		3198	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3199	}
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203	}
		3204
		3205	{
		3206	my $anims = $facedata->{animinfo};
		3207
		3208	while (my ($anim, $info) = each %$anims) {
		3209	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3210	cf::cede_to_tick;
		3211	}
		3212
		3213	cf::anim::invalidate_all; # d'oh
		3214	}
		3215
		3216	{
		3217	# TODO: for gcfclient pleasure, we should give resources
		3218	# that gcfclient doesn't grok a >10000 face index.
		3219	my $res = $facedata->{resource};
		3220
		3221	while (my ($name, $info) = each %$res) {
		3222	if (defined $info->{type}) {
		3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3224	my $data;
		3225
		3226	if ($info->{type} & 1) {
		3227	# prepend meta info
		3228
		3229	my $meta = $enc->encode ({
		3230	name => $name,
		3231	%{ $info->{meta} || {} },
		3232	});
		3233
		3234	$data = pack "(w/a*)*", $meta, $info->{data};
		3235	} else {
		3236	$data = $info->{data};
		3237	}
		3238
		3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3240	cf::face::set_type $idx, $info->{type};
		3241	} else {
		3242	$RESOURCE{$name} = $info;
		3243	}
		3244
		3245	cf::cede_to_tick;
		3246	}
		3247	}
		3248
		3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3250
		3251	1
		3252	}
		3253
		3254	cf::global->attach (on_resource_update => sub {
		3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3257
		3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3259	my $sound = $soundconf->{compat}[$_]
		3260	or next;
		3261
		3262	my $face = cf::face::find "sound/$sound->[1]";
		3263	cf::sound::set $sound->[0] => $face;
		3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3265	}
		3266
		3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3268	my $face = cf::face::find "sound/$v";
		3269	cf::sound::set $k => $face;
		3270	}
		3271	}
		3272	});
		3273
		3274	register_exticmd fx_want => sub {
		3275	my ($ns, $want) = @_;
		3276
		3277	while (my ($k, $v) = each %$want) {
		3278	$ns->fx_want ($k, $v);
		3279	}
		3280	};
		3281
		3282	sub load_resource_file($) {
		3283	my $guard = lock_acquire "load_resource_file";
		3284
		3285	my $status = load_resource_file_ $_[0];
		3286	get_slot 0.1, 100;
		3287	cf::arch::commit_load;
		3288
		3289	$status
		3290	}
		3291
		3292	sub reload_regions {
		3293	# HACK to clear player env face cache, we need some signal framework
		3294	# for this (global event?)
		3295	%ext::player_env::MUSIC_FACE_CACHE = ();
		3296
		3297	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3298	or die "unable to load regions file\n";
2250	}
2251		3299
2252	sub cfg_load {	3300	for (cf::region::list) {
		3301	$_->{match} = qr/$_->{match}/
		3302	if exists $_->{match};
		3303	}
		3304	}
		3305
		3306	sub reload_facedata {
		3307	load_facedata "$DATADIR/facedata"
		3308	or die "unable to load facedata\n";
		3309	}
		3310
		3311	sub reload_archetypes {
		3312	load_resource_file "$DATADIR/archetypes"
		3313	or die "unable to load archetypes\n";
		3314	}
		3315
		3316	sub reload_treasures {
		3317	load_resource_file "$DATADIR/treasures"
		3318	or die "unable to load treasurelists\n";
		3319	}
		3320
		3321	sub reload_resources {
		3322	warn "reloading resource files...\n";
		3323
		3324	reload_facedata;
		3325	reload_archetypes;
		3326	reload_regions;
		3327	reload_treasures;
		3328
		3329	warn "finished reloading resource files\n";
		3330	}
		3331
		3332	sub init {
		3333	my $guard = freeze_mainloop;
		3334
		3335	evthread_start IO::AIO::poll_fileno;
		3336
		3337	reload_resources;
		3338	}
		3339
		3340	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3342	or return;
2255		3343
2256	local $/;	3344	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2258		3346
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3348
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	};	3356	};
2269	warn $@ if $@;	3357	warn $@ if $@;
2270	}	3358	}
2271	}	3359	}
2272		3360
2273	sub init {	3361	sub pidfile() {
2274	init_resources;	3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
2275	}	3378	}
2276		3379
2277	sub main {	3380	sub main {
		3381	atomic;
		3382
2278	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3386	(async {
2282	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2284	};	3390	};
2285		3391
2286	cfg_load;	3392	{
		3393	my $guard = freeze_mainloop;
		3394	reload_config;
2287	db_init;	3395	db_init;
2288	load_extensions;	3396	load_extensions;
2289		3397
2290	$TICK_WATCHER->start;	3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399	}
		3400
		3401	utime time, time, $RUNTIMEFILE;
		3402
		3403	# no (long-running) fork's whatsoever before this point(!)
		3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3405
2291	Event::loop;	3406	EV::loop;
2292	}	3407	}
2293		3408
2294	#############################################################################	3409	#############################################################################
2295	# initialisation and cleanup	3410	# initialisation and cleanup
2296		3411
2297	# install some emergency cleanup handlers	3412	# install some emergency cleanup handlers
2298	BEGIN {	3413	BEGIN {
		3414	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3415	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3417	cf::cleanup "SIG$signal";
2307	},
2308	);	3418	};
		3419	}
		3420	}
		3421
		3422	sub write_runtime_sync {
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2309	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2310	}	3499	}
2311		3500
2312	sub emergency_save() {	3501	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2314		3503
…		…
2320	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2322	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3515	$pl->save;
2326	}	3516	}
2327	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2328		3518
2329	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2335	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2336		3526
2337	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2340	};	3534	};
2341		3535
2342	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2343	}	3537	}
2344		3538
2345	sub post_cleanup {	3539	sub post_cleanup {
2346	my ($make_core) = @_;	3540	my ($make_core) = @_;
2347		3541
2348	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3543	if $make_core;
2350	}
2351		3544
		3545	my $fh = pidfile;
		3546	unlink $PIDFILE if <$fh> == $$;
		3547	}
		3548
		3549	# a safer delete_package, copied from Symbol
		3550	sub clear_package($) {
		3551	my $pkg = shift;
		3552
		3553	# expand to full symbol table name if needed
		3554	unless ($pkg =~ /^main::.*::$/) {
		3555	$pkg = "main$pkg" if $pkg =~ /^::/;
		3556	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3557	$pkg .= '::' unless $pkg =~ /::$/;
		3558	}
		3559
		3560	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3561	my $stem_symtab = *{$stem}{HASH};
		3562
		3563	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3564	or return;
		3565
		3566	# clear all symbols
		3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3568	for my $name (keys %$leaf_symtab) {
		3569	_gv_clear *{"$pkg$name"};
		3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3571	}
		3572	warn "cleared package #$pkg\n";#d#
		3573	}
		3574
		3575	our $RELOAD; # how many times to reload
		3576
2352	sub reload() {	3577	sub do_reload_perl() {
2353	# can/must only be called in main	3578	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3579	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3580	warn "can only reload from main coroutine";
2356	return;	3581	return;
2357	}	3582	}
2358		3583
		3584	return if $RELOAD++;
		3585
		3586	while ($RELOAD) {
2359	warn "reloading...";	3587	warn "reloading...";
2360		3588
2361	warn "entering sync_job";	3589	warn "entering sync_job";
2362		3590
2363	cf::sync_job {	3591	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2365	cf::emergency_save;	3593	cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark	3594	cf::write_runtime_sync; # external watchdog should not bark
2367		3595
2368	warn "syncing database to disk";	3596	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3597	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3598
2371	# if anything goes wrong in here, we should simply crash as we already saved	3599	# if anything goes wrong in here, we should simply crash as we already saved
2372		3600
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";	3601	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3602	while (IO::AIO::nreqs || BDB::nreqs) {
2384	warn "iterate...";	3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2385	}
2386
2387	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();
2390
2391	warn "removing commands";
2392	%COMMAND = ();
2393
2394	warn "removing ext commands";
2395	%EXTCMD = ();
2396
2397	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";
2400
2401	if (my $cb = $pkg->can ("unload")) {
2402	eval {
2403	$cb->($pkg);
2404	1
2405	} or warn "$pkg unloaded, but with errors: $@";
2406	}	3604	}
2407		3605
2408	warn "... nuking $pkg";	3606	warn "cancelling all extension coros";
2409	Symbol::delete_package $pkg;	3607	$_->cancel for values %EXT_CORO;
2410	}	3608	%EXT_CORO = ();
2411		3609
2412	warn "unloading all perl modules loaded from $LIBDIR";	3610	warn "removing commands";
2413	while (my ($k, $v) = each %INC) {	3611	%COMMAND = ();
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3612
		3613	warn "removing ext/exti commands";
		3614	%EXTCMD = ();
		3615	%EXTICMD = ();
		3616
		3617	warn "unloading/nuking all extensions";
		3618	for my $pkg (@EXTS) {
2416	warn "... unloading $k";	3619	warn "... unloading $pkg";
2417	delete $INC{$k};
2418		3620
2419	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;
2421
2422	if (my $cb = $k->can ("unload_module")) {	3621	if (my $cb = $pkg->can ("unload")) {
		3622	eval {
2423	$cb->();	3623	$cb->($pkg);
		3624	1
		3625	} or warn "$pkg unloaded, but with errors: $@";
		3626	}
		3627
		3628	warn "... clearing $pkg";
		3629	clear_package $pkg;
2424	}	3630	}
2425		3631
2426	Symbol::delete_package $k;	3632	warn "unloading all perl modules loaded from $LIBDIR";
		3633	while (my ($k, $v) = each %INC) {
		3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3635
		3636	warn "... unloading $k";
		3637	delete $INC{$k};
		3638
		3639	$k =~ s/\.pm$//;
		3640	$k =~ s/\//::/g;
		3641
		3642	if (my $cb = $k->can ("unload_module")) {
		3643	$cb->();
		3644	}
		3645
		3646	clear_package $k;
2427	}	3647	}
2428		3648
2429	warn "getting rid of safe::, as good as possible";	3649	warn "getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3650	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3652
2433	warn "unloading cf.pm \"a bit\"";	3653	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3654	delete $INC{"cf.pm"};
		3655	delete $INC{"cf/pod.pm"};
2435		3656
2436	# don't, removes xs symbols, too,	3657	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3658	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3659	#clear_package __PACKAGE__;
2439		3660
2440	warn "unload completed, starting to reload now";	3661	warn "unload completed, starting to reload now";
2441		3662
2442	warn "reloading cf.pm";	3663	warn "reloading cf.pm";
2443	require cf;	3664	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3666
2446	warn "loading config and database again";	3667	warn "loading config and database again";
2447	cf::cfg_load;	3668	cf::reload_config;
2448		3669
2449	warn "loading extensions";	3670	warn "loading extensions";
2450	cf::load_extensions;	3671	cf::load_extensions;
2451		3672
2452	warn "reattaching attachments to objects/players";	3673	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3674	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3675	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3676	reattach $_ for values %MAP;
		3677	warn "reattaching attachments to players";
		3678	reattach $_ for values %PLAYER;
2456		3679
2457	warn "loading reloadable resources";
2458	init_resources;
2459
2460	warn "leaving sync_job";	3680	warn "leaving sync_job";
2461		3681
2462	1	3682	1
2463	} or do {	3683	} or do {
2464	warn $@;	3684	warn $@;
2465	warn "error while reloading, exiting.";	3685	cf::cleanup "error while reloading, exiting.";
2466	exit 1;	3686	};
		3687
		3688	warn "reloaded";
		3689	--$RELOAD;
		3690	}
		3691	};
		3692
		3693	our $RELOAD_WATCHER; # used only during reload
		3694
		3695	sub reload_perl() {
		3696	# doing reload synchronously and two reloads happen back-to-back,
		3697	# coro crashes during coro_state_free->destroy here.
		3698
		3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3700	do_reload_perl;
		3701	undef $RELOAD_WATCHER;
2467	};	3702	};
2468		3703	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		3704
2474	register_command "reload" => sub {	3705	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3706	my ($who, $arg) = @_;
2476		3707
2477	if ($who->flag (FLAG_WIZ)) {	3708	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3709	$who->message ("reloading server.");
2479		3710	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3711	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3712	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3713	};
2492	}	3714	}
2493	};	3715	};
2494		3716
2495	unshift @INC, $LIBDIR;	3717	unshift @INC, $LIBDIR;
2496		3718
2497	my $bug_warning = 0;	3719	my $bug_warning = 0;
2498		3720
2499	$TICK_WATCHER = Event->timer (	3721	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3722	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3723
2502	prio => 0,	3724	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3725	return if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	3726
2505	cb => sub {	3727	my $signal = new Coro::Signal;
		3728	push @WAIT_FOR_TICK, $signal;
		3729	$signal->wait;
		3730	}
		3731
		3732	sub wait_for_tick_begin {
		3733	return if tick_inhibit || $Coro::current == $Coro::main;
		3734
		3735	my $signal = new Coro::Signal;
		3736	push @WAIT_FOR_TICK_BEGIN, $signal;
		3737	$signal->wait;
		3738	}
		3739
		3740	sub tick {
2506	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3742	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3743	unless ++$bug_warning > 10;
2509	return;	3744	return;
2510	}	3745	}
2511		3746
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	3747	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		3748
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3751	Coro::async_pool {
		3752	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3753	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	3754	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3755	};
2525
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532
2533	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535
2536	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;
2538	},	3756	}
2539	);	3757
		3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3759	$sig->send;
		3760	}
		3761	while (my $sig = shift @WAIT_FOR_TICK) {
		3762	$sig->send;
		3763	}
		3764
		3765	$LOAD = ($NOW - $TICK_START) / $TICK;
		3766	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3767
		3768	if (0) {
		3769	if ($NEXT_TICK) {
		3770	my $jitter = $TICK_START - $NEXT_TICK;
		3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3772	warn "jitter $JITTER\n";#d#
		3773	}
		3774	}
		3775	}
2540		3776
2541	{	3777	{
2542	BDB::max_poll_time $TICK * 0.1;	3778	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	3779
2544	reentrant => 0,
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	3780	BDB::min_parallel 8;
2552		3781	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	3782	$AnyEvent::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		3783
2568	unless ($DB_ENV) {	3784	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	3785	$DB_ENV = BDB::db_env_create;
		3786	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3787	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3788	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3789	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3790	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		3791
2571	cf::sync_job {	3792	cf::sync_job {
2572	eval {	3793	eval {
2573	BDB::db_env_open	3794	BDB::db_env_open
2574	$DB_ENV,	3795	$DB_ENV,
2575	$BDB_ENV_DIR,	3796	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3797	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3798	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3799	0666;
2579		3800
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3801	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	3802	};
2585		3803
2586	cf::cleanup "db_env_open(db): $@" if $@;	3804	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	3805	};
2588	}	3806	}
		3807
		3808	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3809	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3810	};
		3811	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3812	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3813	};
		3814	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3815	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3816	};
2589	}	3817	}
2590		3818
2591	{	3819	{
		3820	# configure IO::AIO
		3821
2592	IO::AIO::min_parallel 8;	3822	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	3823	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	3824	undef $AnyEvent::AIO::WATCHER;
2597	reentrant => 0,
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	3825	}
		3826
		3827	my $_log_backtrace;
		3828
		3829	sub _log_backtrace {
		3830	my ($msg, @addr) = @_;
		3831
		3832	$msg =~ s/\n//;
		3833
		3834	# limit the # of concurrent backtraces
		3835	if ($_log_backtrace < 2) {
		3836	++$_log_backtrace;
		3837	async {
		3838	$Coro::current->{desc} = "abt $msg";
		3839
		3840	my @bt = fork_call {
		3841	@addr = map { sprintf "%x", $_ } @addr;
		3842	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3843	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3844	or die "addr2line: $!";
		3845
		3846	my @funcs;
		3847	my @res = <$fh>;
		3848	chomp for @res;
		3849	while (@res) {
		3850	my ($func, $line) = splice @res, 0, 2, ();
		3851	push @funcs, "[$func] $line";
		3852	}
		3853
		3854	@funcs
		3855	};
		3856
		3857	LOG llevInfo, "[ABT] $msg\n";
		3858	LOG llevInfo, "[ABT] $_\n" for @bt;
		3859	--$_log_backtrace;
		3860	};
		3861	} else {
		3862	LOG llevInfo, "[ABT] $msg\n";
		3863	LOG llevInfo, "[ABT] [suppressed]\n";
		3864	}
		3865	}
		3866
		3867	# load additional modules
		3868	use cf::pod;
2605		3869
2606	END { cf::emergency_save }	3870	END { cf::emergency_save }
2607		3871
2608	1	3872	1
2609		3873

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