ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 2009 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 qw(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
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
53		118
54	our %CFG;	119	our %CFG;
55		120
56	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
58		124
59	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		128
67	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
70	binmode STDOUT;	141	binmode STDOUT;
71	binmode STDERR;	142	binmode STDERR;
72		143
73	# read virtual server time, if available	144	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
78	}	149	}
79		150
80	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	152
82	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		155
86	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
87		157
88	sub cf::map::normalise;	158	sub cf::map::normalise;
89		159
…		…
100	=item $cf::RUNTIME	170	=item $cf::RUNTIME
101		171
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	173	every server tick.
104		174
105	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		178
107	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
109		183
110	=item $cf::NOW	184	=item $cf::NOW
111		185
112	The time of the last (current) server tick.	186	The time of the last (current) server tick.
113		187
114	=item $cf::TICK	188	=item $cf::TICK
115		189
116	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
117		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
118	=item %cf::CFG	202	=item %cf::CFG
119		203
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	205	from wherever your confdir points to.
122		206
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		208
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	210	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
129		218
130	=back	219	=back
131		220
132	=cut	221	=cut
133		222
134	BEGIN {	223	BEGIN {
135	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	225	my $msg = join "", @_;
137	utf8::encode $msg;
138		226
139	$msg .= "\n"	227	$msg .= "\n"
140	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
141		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
142	LOG llevError, $msg;	232	LOG llevError, $msg;
143	};	233	};
144	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
145		250
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		258
153	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	260	# within the Safe compartment.
155	for my $pkg (qw(	261	for my $pkg (qw(
156	cf::global cf::attachable	262	cf::global cf::attachable
157	cf::object cf::object::player	263	cf::object cf::object::player
158	cf::client cf::player	264	cf::client cf::player
159	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
160	cf::map cf::party cf::region	267	cf::party cf::region
161	)) {	268	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	270	}
165		271
166	$Event::DIED = sub {	272	$EV::DIED = sub {
167	warn "error in event callback: @_";	273	warn "error in event callback: @_";
168	};	274	};
		275
		276	#############################################################################
169		277
170	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
171		279
172	=over 4	280	=over 4
173		281
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	301	$d
194	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
195	}	303	}
196		304
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
200		306
201	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
202		308
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
211		310
212	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
213		312
214	=cut	313	=cut
215		314
216	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
218	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
219	}	332	}
220		333
221	=item cf::lock_wait $string	334	=item cf::lock_wait $string
222		335
223	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
224		337
225	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
226		339
227	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
230	returned.	343	returned.
231		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
232	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
234		350
235	=cut	351	=item $locked = cf::lock_active $string
236		352
237	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
238		358
239	sub lock_wait($) {	359	sub lock_wait($) {
240	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	361	}
248		362
249	sub lock_acquire($) {	363	sub lock_acquire($) {
250	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
251		366
252	# wait, to be sure we are not locked	367	sub lock_active($) {
253	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	369	}
262		370
263	sub freeze_mainloop {	371	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
265		373
266	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	375	}
268	$WRITE_RUNTIME_WATCHER->start;	376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
269	};	435	}
270	$WRITE_RUNTIME_WATCHER->stop;	436	};
271	$TICK_WATCHER->stop;	437
272	$guard	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
273	}	450	}
274		451
275	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
276		453
277	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		459
283	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
284		461
285	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
286		463
287	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
290		468
291	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
294	fast or be very important.	472	fast or be very important.
…		…
297		475
298	sub sync_job(&) {	476	sub sync_job(&) {
299	my ($job) = @_;	477	my ($job) = @_;
300		478
301	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
302	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
304		484
305	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	486
307	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
308		488
309	my $busy = 1;	489	my $busy = 1;
310	my @res;	490	my @res;
311		491
312	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	494	@res = eval { $job->() };
314	warn $@ if $@;	495	warn $@ if $@;
315	undef $busy;	496	undef $busy;
316	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
317		498
318	while ($busy) {	499	while ($busy) {
319	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
320	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
321		510
322	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
323	} else {	512	} else {
324	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
325		514
…		…
345	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
346		535
347	$coro	536	$coro
348	}	537	}
349		538
350	sub write_runtime {	539	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		540
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	Executes the given code block with the given arguments in a seperate
354	or return;	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
355		545
356	my $value = $cf::RUNTIME + 90 + 10;	546	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		547
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	548	sub fork_call(&@) {
361	and return;	549	my ($cb, @args) = @_;
362		550
363	aio_fsync $fh	551	# we seemingly have to make a local copy of the whole thing,
364	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
365		554
366	close $fh	555	my @res = Coro::Util::fork_eval {
367	or return;	556	reset_signals;
		557	&$cb
		558	}, @args;
368		559
369	aio_rename "$runtime~", $runtime	560	wantarray ? @res : $res[-1]
370	and return;	561	}
371		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
372	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	726	}
374		727
375	=back	728	=back
376		729
377	=cut	730	=cut
378		731
379	#############################################################################	732	#############################################################################
380		733
381	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
382		735
383	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
386		739
387	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	742	Deliantra).
390		743
391	=over 4	744	=over 4
392		745
393	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
394		747
…		…
438	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
439		792
440	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
442		795
443	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
445		798
446	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
447		800
448	=over 4	801	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
558		911
559	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		916
564	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	918	my $pkg = shift @arg;
566		919
567	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
597	}	950	}
598		951
599	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
600	} else {	953	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	955	}
603		956
604	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
605	}	958	}
606		959
…		…
608	if (ref $_[0]) {	961	if (ref $_[0]) {
609	_object_attach @_;	962	_object_attach @_;
610	} else {	963	} else {
611	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
612	}	965	}
		966	_recalc_want;
613	};	967	};
614		968
615	# all those should be optimised	969	# all those should be optimised
616	sub cf::attachable::detach {	970	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
621	reattach ($obj);	975	reattach ($obj);
622	} else {	976	} else {
623	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
624	}	978	}
		979	_recalc_want;
625	};	980	};
626		981
627	sub cf::attachable::attached {	982	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
629		984
…		…
644	";	999	";
645	die if $@;	1000	die if $@;
646	}	1001	}
647		1002
648	our $override;	1003	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1005
651	sub override {	1006	sub override {
652	$override = 1;	1007	$override = 1;
653	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
654	}	1009	}
655		1010
656	sub do_invoke {	1011	sub do_invoke {
657	my $event = shift;	1012	my $event = shift;
658	my $callbacks = shift;	1013	my $callbacks = shift;
659		1014
660	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
661		1016
662	local $override;	1017	local $override;
663		1018
664	for (@$callbacks) {	1019	for (@$callbacks) {
665	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
674	}	1029	}
675		1030
676	0	1031	0
677	}	1032	}
678		1033
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1035
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1037
683	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
684		1039
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1043
689	=back	1044	=back
690		1045
691	=cut	1046	=cut
692		1047
693	#############################################################################	1048	#############################################################################
694	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
695		1092
696	sub reattach {	1093	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1095	my ($obj) = @_;
699		1096
		1097	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1099
702	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
703		1101
704	@$registry = ();	1102	@$registry = ();
705		1103
…		…
720	cf::attachable->attach (	1118	cf::attachable->attach (
721	prio => -1000000,	1119	prio => -1000000,
722	on_instantiate => sub {	1120	on_instantiate => sub {
723	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
724		1122
725	$data = from_json $data;	1123	$data = decode_json $data;
726		1124
727	for (@$data) {	1125	for (@$data) {
728	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
729		1127
730	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1144	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
748		1146
749	sync_job {	1147	sync_job {
750	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
753		1152
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1157	aio_close $fh;
759		1158
760	if (@$objs) {	1159	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1164	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1165	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
768	}	1167	}
769	} else {	1168	} else {
770	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
771	}	1170	}
772		1171
773	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1176	} else {
775	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
776	}	1178	}
777	} else {	1179	} else {
778	aio_unlink $filename;	1180	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
780	}	1182	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1183	};
788	}	1184	}
789		1185
790	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
792		1188
…		…
797		1193
798	sub object_thawer_load {	1194	sub object_thawer_load {
799	my ($filename) = @_;	1195	my ($filename) = @_;
800		1196
801	my ($data, $av);	1197	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1198
806	(aio_load $filename, $data) >= 0	1199	(aio_load $filename, $data) >= 0
807	or return;	1200	or return;
808		1201
809	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
811	or return;	1204	or return;
		1205
812	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
813	}	1208	}
814		1209
		1210	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
817	return ($data, $av);	1214	($data, $av)
818	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
819		1222
820	#############################################################################	1223	#############################################################################
821	# command handling &c	1224	# command handling &c
822		1225
823	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1240	}
838		1241
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1243
841	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
842		1249
843	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
844	called.	1251	called.
845		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
846	=cut	1264	=cut
847		1265
848	sub register_extcmd {	1266	sub register_extcmd {
849	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
850		1268
851	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
852	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
853		1279
854	cf::player->attach (	1280	cf::player->attach (
855	on_command => sub {	1281	on_command => sub {
856	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
857		1283
…		…
865	cf::override;	1291	cf::override;
866	},	1292	},
867	on_extcmd => sub {	1293	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
869		1295
870	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1297
872	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
878	} else {	1313	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1315	}
881		1316
882	cf::override;	1317	cf::override;
883	},	1318	},
884	);	1319	);
885		1320
		1321	# "readahead" all extensions
886	sub load_extension {	1322	sub cache_extensions {
887	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
888		1324
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
890	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
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	}	1328	}
914	die $@;
915	}	1329	};
916		1330
917	push @EXTS, $pkg;	1331	$grp
918	}	1332	}
919		1333
920	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
921	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1339	next unless -r $path;
923	eval {	1340
924	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
925	1	1397	}
926	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
927	}	1403	};
928	}	1404	}
929		1405
930	#############################################################################	1406	#############################################################################
931		1407
		1408	=back
		1409
932	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
933		1411
934	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
935		1413
936	=cut	1414	=cut
937		1415
938	package cf::player;	1416	package cf::player;
939		1417
…		…
941		1419
942	=head3 cf::player	1420	=head3 cf::player
943		1421
944	=over 4	1422	=over 4
945		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
		1437
946	=item cf::player::find $login	1438	=item cf::player::find $login
947		1439
948	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
949		1441
950	=cut	1442	=cut
951		1443
952	sub playerdir($) {	1444	sub playerdir($) {
953	cf::localdir	1445	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1446	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1447	}
959		1448
960	sub path($) {	1449	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1450	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1451
963	(playerdir $login) . "/$login.pl"	1452	(playerdir $login) . "/playerdata"
964	}	1453	}
965		1454
966	sub find_active($) {	1455	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1456	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1457	and $cf::PLAYER{$_[0]}->active
…		…
971		1460
972	sub exists($) {	1461	sub exists($) {
973	my ($login) = @_;	1462	my ($login) = @_;
974		1463
975	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
977	}	1466	}
978		1467
979	sub find($) {	1468	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1470	my $login = $_[0];
982		1471
983	my $guard = cf::lock_acquire "user_find:$login";	1472	my $guard = cf::lock_acquire "user_find:$login";
984		1473
985	$cf::PLAYER{$_[0]} || do {	1474	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1475	# rename old playerfiles to new ones
		1476	#TODO: remove when no longer required
		1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1480	aio_unlink +(playerdir $login) . "/$login.pl";
		1481
		1482	my $f = new_from_file cf::object::thawer path $login
987	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
989	}	1491	}
990	}	1492	}
991	}	1493	}
992		1494
…		…
1001	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1002		1504
1003	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1005		1507
		1508	cf::get_slot 0.01;
		1509
1006	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1007	Coro::cede;	1511	cf::cede_to_tick;
1008	}	1512	}
1009		1513
1010	sub new($) {	1514	sub new($) {
1011	my ($login) = @_;	1515	my ($login) = @_;
1012		1516
…		…
1018	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1019		1523
1020	$self	1524	$self
1021	}	1525	}
1022		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1023	=item $pl->quit_character	1537	=item $pl->quit_character
1024		1538
1025	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1027		1541
1028	=cut	1542	=cut
1029		1543
1030	sub quit_character {	1544	sub quit_character {
1031	my ($pl) = @_;	1545	my ($pl) = @_;
1032		1546
		1547	my $name = $pl->ob->name;
		1548
1033	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1551
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1040		1558
1041	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1561	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1562	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1563	$pl->destroy;
		1564
		1565	my $prefix = qr<^~\Q$name\E/>;
		1566
		1567	# nuke player maps
		1568	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1569
1046	IO::AIO::aio_rmtree $temp;	1570	IO::AIO::aio_rmtree $temp;
		1571	}
		1572
		1573	=item $pl->kick
		1574
		1575	Kicks a player out of the game. This destroys the connection.
		1576
		1577	=cut
		1578
		1579	sub kick {
		1580	my ($pl, $kicker) = @_;
		1581
		1582	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1583	$pl->killer ("kicked");
		1584	$pl->ns->destroy;
1047	}	1585	}
1048		1586
1049	=item cf::player::list_logins	1587	=item cf::player::list_logins
1050		1588
1051	Returns am arrayref of all valid playernames in the system, can take a	1589	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1590	while and may block, so not sync_job-capable, ever.
1053		1591
1054	=cut	1592	=cut
1055		1593
1056	sub list_logins {	1594	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1595	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1596	or return [];
1059		1597
1060	my @logins;	1598	my @logins;
1061		1599
1062	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1066		1610
1067	utf8::decode $login;	1611	utf8::decode $login;
1068	push @logins, $login;	1612	push @logins, $login;
1069	}	1613	}
1070		1614
…		…
1097	}	1641	}
1098		1642
1099	\@paths	1643	\@paths
1100	}	1644	}
1101		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1103		1651
1104	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1105		1653
1106	=cut	1654	=cut
1107		1655
1108	sub ext_reply($$$%) {	1656	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1110		1658
1111	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1660	}
1115		1661
1116	package cf;	1662	=item $player->ext_msg ($type, @msg)
		1663
		1664	Sends an ext event to the client.
		1665
		1666	=cut
		1667
		1668	sub ext_msg($$@) {
		1669	my ($self, $type, @msg) = @_;
		1670
		1671	$self->ns->ext_msg ($type, @msg);
		1672	}
		1673
		1674	=head3 cf::region
		1675
		1676	=over 4
		1677
		1678	=cut
		1679
		1680	package cf::region;
		1681
		1682	=item cf::region::find_by_path $path
		1683
		1684	Tries to decuce the likely region for a map knowing only its path.
		1685
		1686	=cut
		1687
		1688	sub find_by_path($) {
		1689	my ($path) = @_;
		1690
		1691	my ($match, $specificity);
		1692
		1693	for my $region (list) {
		1694	if ($region->{match} && $path =~ $region->{match}) {
		1695	($match, $specificity) = ($region, $region->specificity)
		1696	if $region->specificity > $specificity;
		1697	}
		1698	}
		1699
		1700	$match
		1701	}
1117		1702
1118	=back	1703	=back
1119
1120		1704
1121	=head3 cf::map	1705	=head3 cf::map
1122		1706
1123	=over 4	1707	=over 4
1124		1708
…		…
1136	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1138		1722
1139	sub generate_random_map {	1723	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1141	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1729	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1180		1767
1181	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1182	local $self->{path};	1769	local $self->{path};
1183	local $self->{load_path};	1770	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1771
1187	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1188	}	1773	}
1189		1774
1190	sub normalise {	1775	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1238	return $self;	1823	return $self;
1239	}	1824	}
1240	}	1825	}
1241		1826
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1828	()
1244	}	1829	}
1245		1830
1246	sub init {	1831	sub init {
1247	my ($self) = @_;	1832	my ($self) = @_;
…		…
1262		1847
1263	# the original (read-only) location	1848	# the original (read-only) location
1264	sub load_path {	1849	sub load_path {
1265	my ($self) = @_;	1850	my ($self) = @_;
1266		1851
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1268	}	1853	}
1269		1854
1270	# the temporary/swap location	1855	# the temporary/swap location
1271	sub save_path {	1856	sub save_path {
1272	my ($self) = @_;	1857	my ($self) = @_;
1273		1858
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1276	}	1861	}
1277		1862
1278	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1279	sub uniq_path {	1864	sub uniq_path {
1280	my ($self) = @_;	1865	my ($self) = @_;
1281		1866
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1284	}	1869	}
1285		1870
1286	# and all this just because we cannot iterate over	1871	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1872	my ($self) = @_;
1290		1873
1291	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1293	}	1877	}
1294		1878
1295	sub unlink_save {	1879	sub unlink_save {
1296	my ($self) = @_;	1880	my ($self) = @_;
1297		1881
1298	utf8::encode (my $save = $self->save_path);	1882	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1883	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1884	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1885	}
1307		1886
1308	sub load_header_from($) {	1887	sub load_header_from($) {
1309	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1310		1889
1311	utf8::encode $path;	1890	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1317		1899
1318	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1319		1901
1320	1	1902	1
1321	}	1903	}
…		…
1360	$self->load_header_orig	1942	$self->load_header_orig
1361	or return;	1943	or return;
1362	$self->prepare_orig;	1944	$self->prepare_orig;
1363	}	1945	}
1364		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
		1950	$self->default_region (cf::region::find_by_path $self->{path})
		1951	unless $self->default_region;
		1952
1365	1	1953	1
1366	}	1954	}
1367		1955
1368	sub find;	1956	sub find;
1369	sub find {	1957	sub find {
1370	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1371		1959
1372	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1373		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1375		1964
1376	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1379	or return;	1967	or return;
1380		1968
1381	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1382		1970
1383	$map->load_header	1971	$map->load_header
1384	or return;	1972	or return;
1385		1973
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1389	$map->reset;	1979	$map->reset;
1390	undef $guard;
1391	return find $path;	1980	return find $path;
1392	}	1981	}
1393		1982
1394	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1395	}	1984	}
…		…
1402	my ($self) = @_;	1991	my ($self) = @_;
1403		1992
1404	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1405		1994
1406	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1408		1999
		2000	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2002
1411	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1412		2004
1413	$self->alloc;	2005	$self->alloc;
1414		2006
1415	$self->pre_load;	2007	$self->pre_load;
		2008	cf::cede_to_tick;
1416		2009
1417	$self->_load_objects ($self->{load_path}, 1)	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
		2012	$self->_load_objects ($f)
1418	or return;	2013	or return;
1419		2014
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1421	if delete $self->{load_original};	2016	if delete $self->{load_original};
1422		2017
1423	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2019	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2022	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1428	}	2026	}
1429	}	2027	}
1430		2028
1431	Coro::cede;	2029	$f->resolve_delayed_derefs;
1432		2030
		2031	cf::cede_to_tick;
1433	# now do the right thing for maps	2032	# now do the right thing for maps
1434	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2035	unless $self->difficulty;
1444	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1445	$self->activate;	2043	$self->activate;
		2044	}
		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
		2049	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2050	}
1447		2051
1448	$self->post_load;	2052	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2053	}
1452		2054
1453	sub customise_for {	2055	sub customise_for {
1454	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1455		2057
1456	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2059	if $self->per_player;
1458		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1459	$self	2064	$self
1460	}	2065	}
1461		2066
1462	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2068	sub load_neighbours {
1464	my ($map) = @_;	2069	my ($map) = @_;
1465		2070
1466	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1467		2072
1468	for (0 .. 3) {	2073	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1470	or next;	2075	or next;
1471	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1472	or next;	2077	or next;
1473	$neigh->load;	2078	$neigh->load;
1474		2079
		2080	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2083	}
1478		2084
1479	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1481	or next;	2088	or next;
1482	$neigh->load;	2089	$neigh->load;
1483	}	2090	}
1484	}	2091	}
1485		2092
…		…
1490	}	2097	}
1491		2098
1492	sub do_load_sync {	2099	sub do_load_sync {
1493	my ($map) = @_;	2100	my ($map) = @_;
1494		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1495	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1496	}	2106	}
1497		2107
1498	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1500		2110
1501	sub find_async {	2111	sub find_async {
1502	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1503		2113
1504	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1505		2115
1506	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2118	}
1509		2119
1510	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1511	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1512	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2127	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2128	$map->load if $v;
		2129	}
1517		2130
1518	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1519	}	2132	}
1520	}	2133	}
1521	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1522	};	2135	};
1523	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2139	}
1527		2140
1528	sub save {	2141	sub save {
1529	my ($self) = @_;	2142	my ($self) = @_;
1530		2143
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2145
1533	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1534		2147
1535	return unless $self->dirty;	2148	return unless $self->dirty;
1536		2149
…		…
1542	return if $self->{deny_save};	2155	return if $self->{deny_save};
1543		2156
1544	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1545		2158
1546	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1548	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1549		2165
1550	if ($uniq) {	2166	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2169	} else {
…		…
1559	my ($self) = @_;	2175	my ($self) = @_;
1560		2176
1561	# save first because save cedes	2177	# save first because save cedes
1562	$self->save;	2178	$self->save;
1563		2179
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2181
1566	return if $self->players;	2182	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2184	return if $self->{deny_save};
1569		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2190	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2191	}
1573		2192
1574	sub reset_at {	2193	sub reset_at {
1575	my ($self) = @_;	2194	my ($self) = @_;
1576		2195
1577	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1580		2198
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2201
…		…
1594	my ($self) = @_;	2212	my ($self) = @_;
1595		2213
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2215
1598	return if $self->players;	2216	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2217
1601	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	# need to save uniques path
		2223	unless ($self->{deny_save}) {
		2224	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2225
		2226	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2227	if $uniq;
		2228	}
1602		2229
1603	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1604		2231
1605	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2234	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2235
1610	$self->unlink_save;	2236	$self->unlink_save;
1611	$self->destroy;	2237	$self->destroy;
1612	}	2238	}
1613		2239
1614	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1615		2241
1616	sub nuke {	2242	sub nuke {
1617	my ($self) = @_;	2243	my ($self) = @_;
1618		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1619	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1620		2249
1621	$self->unlink_save;	2250	$self->unlink_save;
1622		2251
1623	bless $self, "cf::map";	2252	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2257
1629	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1630		2260
1631	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1632	}	2298	}
1633		2299
1634	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1635		2301
1636	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2303	instantiated unique items. May block.
1638		2304
1639	=cut	2305	=cut
1640		2306
1641	sub unique_maps() {	2307	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2308	[
1643	or return;	2309	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2310	utf8::decode $_;
1649	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2313	? ()
1652	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2316	]
1654
1655	\@paths
1656	}	2317	}
1657
1658	package cf;
1659		2318
1660	=back	2319	=back
1661		2320
1662	=head3 cf::object	2321	=head3 cf::object
1663		2322
…		…
1667		2326
1668	=over 4	2327	=over 4
1669		2328
1670	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1671		2330
1672	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1673		2333
1674	=cut	2334	=cut
1675		2335
1676	sub inv_recursive_;	2336	sub inv_recursive_;
1677	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1680		2340
1681	sub inv_recursive {	2341	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1683	}	2343	}
1684		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1685	package cf;	2373	package cf;
1686		2374
1687	=back	2375	=back
1688		2376
1689	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1698		2386
1699	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1700		2402
1701	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2404	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1706		2408
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2410
1709	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1711	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1714	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1715	}	2436	}
1716		2437
1717	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1718		2439
1719	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1732		2453
1733	=item $player_object->enter_link	2454	=item $player_object->enter_link
1734		2455
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2457
1737	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1739		2462
1740	Will never block.	2463	Will never block.
1741		2464
1742	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1743		2466
…		…
1766	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1767		2490
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2492
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1772		2495
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2497	}
1775		2498
1776	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1778		2503
1779	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1780		2505
1781	unless ($map) {	2506	unless ($map) {
1782	# restore original map position	2507	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1799		2524
1800	$map->load;	2525	$map->load;
1801	$map->load_diag;	2526	$map->load_neighbours;
1802		2527
1803	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1804	$self->activate_recursive;	2530	$self->activate_recursive;
		2531
		2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1806	}	2534	}
1807		2535
1808	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2537
1812	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1816	};	2542	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2543
1822	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1823	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2546
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1843		2550
1844	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2556
1847	$self->enter_link;	2557	$self->enter_link;
1848		2558
1849	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1850	my $map = eval {	2581	my $map = eval {
1851	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1853	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2597	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1858	})->prio (1);	2605	})->prio (1);
1859	}	2606	}
1860		2607
1861	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1862		2609
…		…
1882	}	2629	}
1883		2630
1884	sub prepare_random_map {	2631	sub prepare_random_map {
1885	my ($exit) = @_;	2632	my ($exit) = @_;
1886		2633
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2636	# that depends on the exit object
1892		2637
1893	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2640	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
1900	}	2647	}
1901		2648
1902	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
1903		2650
1904	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
1907		2654
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2657	undef $fh;
1911	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
1912		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
1915	}	2666	}
1916	}	2667	}
1917		2668
1918	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
1920		2671
1921	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
1922		2673
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2674	$self->enter_link;
1933		2675
1934	(async {	2676	(async {
1935	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
1936	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
1937	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
1938		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
1939	1;	2700	1
1940	}) {	2701	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2706
1946	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2708	$self->leave_link;
1948	}	2709	}
1949	})->prio (1);	2710	})->prio (1);
…		…
1962		2723
1963	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1965		2726
1966	utf8::encode $text;	2727	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2729	}
1969		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
		2828	);
		2829
		2830	sub cf::client::send_msg {
		2831	my ($self, $channel, $msg, $color, @extra) = @_;
		2832
		2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel);
		2843	$channel = $channel->{id};
		2844
		2845	} elsif (ref $channel) {
		2846	# send meta info to client, if not yet sent
		2847	unless (exists $self->{channel}{$channel->{id}}) {
		2848	$self->{channel}{$channel->{id}} = $channel;
		2849	$self->ext_msg (channel_info => $channel);
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	# default colour, mask it out
		2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2859	if $color & cf::NDI_DEF;
		2860
		2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2864	);
		2865
		2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
		2869
		2870	# split very large packets
		2871	if (8192 < length $pkt and $self->{can_lzf}) {
		2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2873	$pkt = "frag";
		2874	}
		2875
		2876	$self->send_packet ($pkt);
		2877	}
		2878
		2879	=item $client->ext_msg ($type, @msg)
		2880
		2881	Sends an ext event to the client.
		2882
		2883	=cut
		2884
		2885	sub cf::client::ext_msg($$@) {
		2886	my ($self, $type, @msg) = @_;
		2887
		2888	if ($self->extcmd == 2) {
		2889	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2890	} elsif ($self->extcmd == 1) { # TODO: remove
		2891	push @msg, msgtype => "event_$type";
		2892	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2893	}
		2894	}
		2895
		2896	=item $client->ext_reply ($msgid, @msg)
		2897
		2898	Sends an ext reply to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_reply($$@) {
		2903	my ($self, $id, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2907	} elsif ($self->extcmd == 1) {
		2908	#TODO: version 1, remove
		2909	unshift @msg, msgtype => "reply", msgid => $id;
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
1970		2913
1971	=item $success = $client->query ($flags, "text", \&cb)	2914	=item $success = $client->query ($flags, "text", \&cb)
1972		2915
1973	Queues a query to the client, calling the given callback with	2916	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2919
1977	Queries can fail, so check the return code. Or don't, as queries will become	2920	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2921	become reliable at some point in the future.
1979		2922
1980	=cut	2923	=cut
1981		2924
1982	sub cf::client::query {	2925	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2926	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2934	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2936
1994	$self->send_packet ($self->{query_queue}[0][0])	2937	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2938	if @{ $self->{query_queue} } == 1;
		2939
		2940	1
1996	}	2941	}
1997		2942
1998	cf::client->attach (	2943	cf::client->attach (
		2944	on_connect => sub {
		2945	my ($ns) = @_;
		2946
		2947	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2948	},
1999	on_reply => sub {	2949	on_reply => sub {
2000	my ($ns, $msg) = @_;	2950	my ($ns, $msg) = @_;
2001		2951
2002	# this weird shuffling is so that direct followup queries	2952	# this weird shuffling is so that direct followup queries
2003	# get handled first	2953	# get handled first
…		…
2015	} else {	2965	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2966	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	2967	}
2018	}	2968	}
2019	},	2969	},
		2970	on_exticmd => sub {
		2971	my ($ns, $buf) = @_;
		2972
		2973	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2974
		2975	if (ref $msg) {
		2976	my ($type, $reply, @payload) =
		2977	"ARRAY" eq ref $msg
		2978	? @$msg
		2979	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2980
		2981	my @reply;
		2982
		2983	if (my $cb = $EXTICMD{$type}) {
		2984	@reply = $cb->($ns, @payload);
		2985	}
		2986
		2987	$ns->ext_reply ($reply, @reply)
		2988	if $reply;
		2989
		2990	} else {
		2991	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2992	}
		2993
		2994	cf::override;
		2995	},
2020	);	2996	);
2021		2997
2022	=item $client->async (\&cb)	2998	=item $client->async (\&cb)
2023		2999
2024	Create a new coroutine, running the specified callback. The coroutine will	3000	Create a new coroutine, running the specified callback. The coroutine will
…		…
2065	our $safe = new Safe "safe";	3041	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3042	our $safe_hole = new Safe::Hole;
2067		3043
2068	$SIG{FPE} = 'IGNORE';	3044	$SIG{FPE} = 'IGNORE';
2069		3045
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3046	$safe->permit_only (Opcode::opset qw(
		3047	:base_core :base_mem :base_orig :base_math
		3048	grepstart grepwhile mapstart mapwhile
		3049	sort time
		3050	));
2071		3051
2072	# here we export the classes and methods available to script code	3052	# here we export the classes and methods available to script code
2073		3053
2074	=pod	3054	=pod
2075		3055
2076	The following fucntions and emthods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2077		3057
2078	cf::object contr pay_amount pay_player map	3058	cf::object
		3059	contr pay_amount pay_player map x y force_find force_add destroy
		3060	insert remove name archname title slaying race decrease split
		3061	value
		3062
2079	cf::object::player player	3063	cf::object::player
2080	cf::player peaceful	3064	player
2081	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2082		3071
2083	=cut	3072	=cut
2084		3073
2085	for (	3074	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2090	) {	3081	) {
2091	no strict 'refs';	3082	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2110	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2111		3102
2112	my $qcode = $code;	3103	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2115		3108
2116	local $_;	3109	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2118		3111
2119	my $eval =	3112	my $eval =
…		…
2162	=back	3155	=back
2163		3156
2164	=cut	3157	=cut
2165		3158
2166	#############################################################################	3159	#############################################################################
		3160	# the server's init and main functions
2167		3161
2168	=head2 EXTENSION DATABASE SUPPORT	3162	sub load_facedata($) {
		3163	my ($path) = @_;
2169		3164
2170	Crossfire maintains a very simple database for extension use. It can	3165	# HACK to clear player env face cache, we need some signal framework
2171	currently store anything that can be serialised using Storable, which	3166	# for this (global event?)
2172	excludes objects.	3167	%ext::player_env::MUSIC_FACE_CACHE = ();
2173		3168
2174	The parameter C<$family> should best start with the name of the extension	3169	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2175	using it, it should be unique.
2176		3170
2177	=over 4	3171	warn "loading facedata from $path\n";
2178		3172
2179	=item $hashref = cf::db_get $family	3173	my $facedata;
		3174	0 < aio_load $path, $facedata
		3175	or die "$path: $!";
2180		3176
2181	Return a hashref for use by the extension C<$family>, which can be	3177	$facedata = Coro::Storable::thaw $facedata;
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184		3178
2185	=item $value = cf::db_get $family => $key	3179	$facedata->{version} == 2
		3180	or cf::cleanup "$path: version mismatch, cannot proceed.";
2186		3181
2187	Returns a single value from the database	3182	# patch in the exptable
2188		3183	$facedata->{resource}{"res/exp_table"} = {
2189	=item cf::db_put $family => $hashref	3184	type => FT_RSRC,
2190		3185	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3186	};
		3187	cf::cede_to_tick;
2217		3188
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3189	{
		3190	my $faces = $facedata->{faceinfo};
2229		3191
2230	my $dirty;	3192	while (my ($face, $info) = each %$faces) {
		3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3194
2232	sub db_sync() {	3195	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3196	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2235	}	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236		3199
2237	my $idle = Event->idle (	3200	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3201	}
2271	);
2272	}
2273		3202
2274	#############################################################################	3203	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3204	next unless $info->{smooth};
2276		3205
2277	sub cfg_load {	3206	my $idx = cf::face::find $face
		3207	or next;
		3208
		3209	if (my $smooth = cf::face::find $info->{smooth}) {
		3210	cf::face::set_smooth $idx, $smooth;
		3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3212	} else {
		3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3214	}
		3215
		3216	cf::cede_to_tick;
		3217	}
		3218	}
		3219
		3220	{
		3221	my $anims = $facedata->{animinfo};
		3222
		3223	while (my ($anim, $info) = each %$anims) {
		3224	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3225	cf::cede_to_tick;
		3226	}
		3227
		3228	cf::anim::invalidate_all; # d'oh
		3229	}
		3230
		3231	{
		3232	# TODO: for gcfclient pleasure, we should give resources
		3233	# that gcfclient doesn't grok a >10000 face index.
		3234	my $res = $facedata->{resource};
		3235
		3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
		3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3239	my $data;
		3240
		3241	if ($info->{type} & 1) {
		3242	# prepend meta info
		3243
		3244	my $meta = $enc->encode ({
		3245	name => $name,
		3246	%{ $info->{meta} || {} },
		3247	});
		3248
		3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
		3256	} else {
		3257	$RESOURCE{$name} = $info;
		3258	}
		3259
		3260	cf::cede_to_tick;
		3261	}
		3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3265
		3266	1
		3267	}
		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
		3288
		3289	register_exticmd fx_want => sub {
		3290	my ($ns, $want) = @_;
		3291
		3292	while (my ($k, $v) = each %$want) {
		3293	$ns->fx_want ($k, $v);
		3294	}
		3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
		3306
		3307	sub reload_regions {
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	load_resource_file "$MAPDIR/regions"
		3313	or die "unable to load regions file\n";
		3314
		3315	for (cf::region::list) {
		3316	$_->{match} = qr/$_->{match}/
		3317	if exists $_->{match};
		3318	}
		3319	}
		3320
		3321	sub reload_facedata {
		3322	load_facedata "$DATADIR/facedata"
		3323	or die "unable to load facedata\n";
		3324	}
		3325
		3326	sub reload_archetypes {
		3327	load_resource_file "$DATADIR/archetypes"
		3328	or die "unable to load archetypes\n";
		3329	}
		3330
		3331	sub reload_treasures {
		3332	load_resource_file "$DATADIR/treasures"
		3333	or die "unable to load treasurelists\n";
		3334	}
		3335
		3336	sub reload_resources {
		3337	warn "reloading resource files...\n";
		3338
		3339	reload_facedata;
		3340	reload_archetypes;
		3341	reload_regions;
		3342	reload_treasures;
		3343
		3344	warn "finished reloading resource files\n";
		3345	}
		3346
		3347	sub reload_config {
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2279	or return;	3349	or return;
2280		3350
2281	local $/;	3351	local $/;
2282	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2283		3353
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2285		3355
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2293	};	3363	};
2294	warn $@ if $@;	3364	warn $@ if $@;
2295	}	3365	}
2296	}	3366	}
2297		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2298	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
2299	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3405	(async {
2303	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
2305	};	3409	};
2306		3410
2307	cfg_load;	3411	evthread_start IO::AIO::poll_fileno;
2308	db_load;	3412
		3413	cf::sync_job {
		3414	reload_resources;
		3415	reload_config;
		3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
2309	load_extensions;	3429	load_extensions;
2310		3430
2311	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
2312	Event::loop;	3439	EV::loop;
2313	}	3440	}
2314		3441
2315	#############################################################################	3442	#############################################################################
2316	# initialisation and cleanup	3443	# initialisation and cleanup
2317		3444
2318	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
2319	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
2328	},
2329	);	3451	};
		3452	}
		3453	}
		3454
		3455	sub write_runtime_sync {
		3456	# first touch the runtime file to show we are still running:
		3457	# the fsync below can take a very very long time.
		3458
		3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3460
		3461	my $guard = cf::lock_acquire "write_runtime";
		3462
		3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = $cf::RUNTIME + 90 + 10;
		3467	# 10 is the runtime save interval, for a monotonic clock
		3468	# 60 allows for the watchdog to kill the server.
		3469
		3470	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3471	and return;
		3472
		3473	# always fsync - this file is important
		3474	aio_fsync $fh
		3475	and return;
		3476
		3477	# touch it again to show we are up-to-date
		3478	aio_utime $fh, undef, undef;
		3479
		3480	close $fh
		3481	or return;
		3482
		3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3484	and return;
		3485
		3486	warn "runtime file written.\n";
		3487
2330	}	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2331	}	3539	}
2332		3540
2333	sub emergency_save() {	3541	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2335		3543
2336	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
2337		3545
2338	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
2339	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2340	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2341	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
2343	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3560	$pl->save;
2347	}	3561	}
2348	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
2349		3563
2350	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
2351	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
2352	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3567	$map->valid or next;
2354	$map->save;	3568	$map->save;
2355	}	3569	}
2356	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
		3571
		3572	warn "emergency_perl_save: begin database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
2357	};	3579	};
2358		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
2359	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
2360	}	3587	}
2361		3588
		3589	sub post_cleanup {
		3590	my ($make_core) = @_;
		3591
		3592	warn Carp::longmess "post_cleanup backtrace"
		3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
		3623	}
		3624
2362	sub reload() {	3625	sub do_reload_perl() {
2363	# can/must only be called in main	3626	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
2366	return;	3629	return;
2367	}	3630	}
2368		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
2369	warn "reloading...";	3637	warn "reloading...";
2370		3638
2371	warn "cancelling server ticker";	3639	warn "entering sync_job";
2372	$TICK_WATCHER->cancel;
2373		3640
		3641	cf::sync_job {
		3642	cf::write_runtime_sync; # external watchdog should not bark
2374	cf::emergency_save;	3643	cf::emergency_save;
		3644	cf::write_runtime_sync; # external watchdog should not bark
2375		3645
2376	eval {	3646	warn "syncing database to disk";
		3647	BDB::db_env_txn_checkpoint $DB_ENV;
		3648
2377	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
2378		3650
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386
2387	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
2388	for (;;) {	3652	while (IO::AIO::nreqs || BDB::nreqs) {
2389	IO::AIO::flush;	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2390	Coro::cede;
2391	last unless IO::AIO::nreqs;
2392	warn "iterate...";
2393	}
2394
2395	warn "cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();
2398
2399	warn "removing commands";
2400	%COMMAND = ();
2401
2402	warn "removing ext commands";
2403	%EXTCMD = ();
2404
2405	warn "unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";
2408
2409	if (my $cb = $pkg->can ("unload")) {
2410	eval {
2411	$cb->($pkg);
2412	1
2413	} or warn "$pkg unloaded, but with errors: $@";
2414	}	3654	}
2415		3655
2416	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
2417	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
2418	}	3658	%EXT_CORO = ();
2419		3659
2420	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
2421	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2423		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
2424	warn "... unloading $k";	3669	warn "... unloading $pkg";
2425	delete $INC{$k};
2426		3670
2427	$k =~ s/\.pm$//;
2428	$k =~ s/\//::/g;
2429
2430	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
2431	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
2432	}	3680	}
2433		3681
2434	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
2435	}	3697	}
2436		3698
2437	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
2438	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3702
2441	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
		3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2443		3706
2444	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3708	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
2447		3710
2448	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
2449		3712
2450	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
2451	require cf;	3714	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2453		3716
2454	warn "loading config and database again";	3717	warn "loading config and database again";
2455	cf::cfg_load;	3718	cf::reload_config;
2456	cf::db_load;
2457		3719
2458	warn "loading extensions";	3720	warn "loading extensions";
2459	cf::load_extensions;	3721	cf::load_extensions;
2460		3722
		3723	if ($REATTACH_ON_RELOAD) {
2461	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
2462	_global_reattach;	3725	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
		3728	warn "reattaching attachments to players";
		3729	reattach $_ for values %PLAYER;
		3730	}
2465		3731
2466	warn "restarting server ticker";	3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
2467		3734
2468	$TICK_WATCHER->start;	3735	warn "leaving sync_job";
		3736
		3737	1
		3738	} or do {
		3739	warn $@;
		3740	cf::cleanup "error while reloading, exiting.";
		3741	};
		3742
		3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
		3749	};
		3750
		3751	our $RELOAD_WATCHER; # used only during reload
		3752
		3753	sub reload_perl() {
		3754	# doing reload synchronously and two reloads happen back-to-back,
		3755	# coro crashes during coro_state_free->destroy here.
		3756
		3757	$RELOAD_WATCHER ||= cf::async {
		3758	Coro::AIO::aio_wait cache_extensions;
		3759
		3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
		3763	};
2469	};	3764	};
2470		3765	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		3766
2482	register_command "reload" => sub {	3767	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
2484		3769
2485	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
2487		3772	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3773	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3774	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3775	};
2500	}	3776	}
2501	};	3777	};
2502		3778
2503	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
2504		3780
2505	my $bug_warning = 0;	3781	my $bug_warning = 0;
2506		3782
2507	$TICK_WATCHER = Event->timer (	3783	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3784	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3785
2510	prio => 0,	3786	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3787	return if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	3788
2513	cb => sub {	3789	my $signal = new Coro::Signal;
		3790	push @WAIT_FOR_TICK, $signal;
		3791	$signal->wait;
		3792	}
		3793
		3794	sub wait_for_tick_begin {
		3795	return if tick_inhibit || $Coro::current == $Coro::main;
		3796
		3797	my $signal = new Coro::Signal;
		3798	push @WAIT_FOR_TICK_BEGIN, $signal;
		3799	$signal->wait;
		3800	}
		3801
		3802	sub tick {
2514	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
2517	return;	3806	return;
2518	}	3807	}
2519		3808
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		3810
2526	$WAIT_FOR_TICK->broadcast;	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2528		3813	Coro::async_pool {
2529	Event::sweep;	3814	$Coro::current->{desc} = "runtime saver";
2530	Coro::cede_notself;
2531
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},
2541	);
2542
2543	IO::AIO::max_poll_time $TICK * 0.1;
2544
2545	undef $Coro::AIO::WATCHER;
2546	$AIO_POLL_WATCHER = Event->io (
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554
2555	$WRITE_RUNTIME_WATCHER = Event->timer (
2556	reentrant => 0,
2557	data => WF_AUTOCANCEL,
2558	after => 1,
2559	interval => 10,
2560	prio => 6, # keep it lowest so it acts like a watchdog
2561	cb => Coro::unblock_sub {
2562	write_runtime	3815	write_runtime_sync
2563	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
		3817	};
2564	},	3818	}
2565	);	3819
		3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3821	$sig->send;
		3822	}
		3823	while (my $sig = shift @WAIT_FOR_TICK) {
		3824	$sig->send;
		3825	}
		3826
		3827	$LOAD = ($NOW - $TICK_START) / $TICK;
		3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3829
		3830	if (0) {
		3831	if ($NEXT_TICK) {
		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
		3836	}
		3837	}
		3838
		3839	{
		3840	# configure BDB
		3841
		3842	BDB::min_parallel 8;
		3843	BDB::max_poll_reqs $TICK * 0.1;
		3844	$AnyEvent::BDB::WATCHER->priority (1);
		3845
		3846	unless ($DB_ENV) {
		3847	$DB_ENV = BDB::db_env_create;
		3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3853
		3854	cf::sync_job {
		3855	eval {
		3856	BDB::db_env_open
		3857	$DB_ENV,
		3858	$BDBDIR,
		3859	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3861	0666;
		3862
		3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3864	};
		3865
		3866	cf::cleanup "db_env_open(db): $@" if $@;
		3867	};
		3868	}
		3869
		3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3872	};
		3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3875	};
		3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3878	};
		3879	}
		3880
		3881	{
		3882	# configure IO::AIO
		3883
		3884	IO::AIO::min_parallel 8;
		3885	IO::AIO::max_poll_time $TICK * 0.1;
		3886	undef $AnyEvent::AIO::WATCHER;
		3887	}
		3888
		3889	my $_log_backtrace;
		3890
		3891	sub _log_backtrace {
		3892	my ($msg, @addr) = @_;
		3893
		3894	$msg =~ s/\n//;
		3895
		3896	# limit the # of concurrent backtraces
		3897	if ($_log_backtrace < 2) {
		3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
		3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
		3903	my @bt = fork_call {
		3904	@addr = map { sprintf "%x", $_ } @addr;
		3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3907	or die "addr2line: $!";
		3908
		3909	my @funcs;
		3910	my @res = <$fh>;
		3911	chomp for @res;
		3912	while (@res) {
		3913	my ($func, $line) = splice @res, 0, 2, ();
		3914	push @funcs, "[$func] $line";
		3915	}
		3916
		3917	@funcs
		3918	};
		3919
		3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3922	LOG llevInfo, "[ABT] $_\n" for @bt;
		3923	--$_log_backtrace;
		3924	};
		3925	} else {
		3926	LOG llevInfo, "[ABT] $msg\n";
		3927	LOG llevInfo, "[ABT] [suppressed]\n";
		3928	}
		3929	}
		3930
		3931	# load additional modules
		3932	require "cf/$_.pm" for @EXTRA_MODULES;
2566		3933
2567	END { cf::emergency_save }	3934	END { cf::emergency_save }
2568		3935
2569	1	3936	1
2570		3937

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines