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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		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;
53	our $USE_FSYNC; # use fsync to write maps - default off	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;
54		116
55	our %CFG;	117	our %CFG;
56		118
57	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
59		122
60	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		126
68	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
71	binmode STDOUT;	139	binmode STDOUT;
72	binmode STDERR;	140	binmode STDERR;
73		141
74	# read virtual server time, if available	142	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
79	}	147	}
80		148
81	mkdir cf::localdir;	149	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		151
87	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
88		153
89	sub cf::map::normalise;	154	sub cf::map::normalise;
90		155
…		…
101	=item $cf::RUNTIME	166	=item $cf::RUNTIME
102		167
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	169	every server tick.
105		170
106	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		174
108	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
110		179
111	=item $cf::NOW	180	=item $cf::NOW
112		181
113	The time of the last (current) server tick.	182	The time of the last (current) server tick.
114		183
115	=item $cf::TICK	184	=item $cf::TICK
116		185
117	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
118		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
119	=item %cf::CFG	198	=item %cf::CFG
120		199
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	201	from wherever your confdir points to.
123		202
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		204
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
130		214
131	=back	215	=back
132		216
133	=cut	217	=cut
134		218
135	BEGIN {	219	BEGIN {
136	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	221	my $msg = join "", @_;
138	utf8::encode $msg;
139		222
140	$msg .= "\n"	223	$msg .= "\n"
141	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
142		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
143	LOG llevError, $msg;	228	LOG llevError, $msg;
144	};	229	};
145	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
146		246
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		254
154	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	256	# within the Safe compartment.
156	for my $pkg (qw(	257	for my $pkg (qw(
157	cf::global cf::attachable	258	cf::global cf::attachable
158	cf::object cf::object::player	259	cf::object cf::object::player
159	cf::client cf::player	260	cf::client cf::player
160	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
161	cf::map cf::party cf::region	263	cf::party cf::region
162	)) {	264	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	266	}
166		267
167	$Event::DIED = sub {	268	$EV::DIED = sub {
168	warn "error in event callback: @_";	269	warn "error in event callback: @_";
169	};	270	};
		271
		272	#############################################################################
170		273
171	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
172		275
173	=over 4	276	=over 4
174		277
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	297	$d
195	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
196	}	299	}
197		300
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
201		302
202	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
203		304
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
212		306
213	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
214		308
215	=cut	309	=cut
216		310
217	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
219	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
220	}	328	}
221		329
222	=item cf::lock_wait $string	330	=item cf::lock_wait $string
223		331
224	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
225		333
226	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
227		335
228	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
231	returned.	339	returned.
232		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
233	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
235		346
236	=cut	347	=item $locked = cf::lock_active $string
237		348
238	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
239		354
240	sub lock_wait($) {	355	sub lock_wait($) {
241	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
242
243	# wait for lock, if any
244	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;
247	}
248	}	357	}
249		358
250	sub lock_acquire($) {	359	sub lock_acquire($) {
251	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
252		362
253	# wait, to be sure we are not locked	363	sub lock_active($) {
254	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
255
256	$LOCK{$key} = [];
257
258	Coro::guard {
259	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };
261	}
262	}	365	}
263		366
264	sub freeze_mainloop {	367	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
266		369
267	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
268	$TICK_WATCHER->start;	371	}
269	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
270	};	431	}
271	$WRITE_RUNTIME_WATCHER->stop;	432	};
272	$TICK_WATCHER->stop;	433
273	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
274	}	446	}
275		447
276	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
277		449
278	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		455
284	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
285		457
286	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
287		459
288	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
291		464
292	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
295	fast or be very important.	468	fast or be very important.
…		…
298		471
299	sub sync_job(&) {	472	sub sync_job(&) {
300	my ($job) = @_;	473	my ($job) = @_;
301		474
302	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
303	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
305		480
306	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	482
308	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
309		484
310	my $busy = 1;	485	my $busy = 1;
311	my @res;	486	my @res;
312		487
313	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	490	@res = eval { $job->() };
315	warn $@ if $@;	491	warn $@ if $@;
316	undef $busy;	492	undef $busy;
317	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
318		494
319	while ($busy) {	495	while ($busy) {
320	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
321	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
322		506
323	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
324	} else {	508	} else {
325	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
326		510
…		…
346	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
347		531
348	$coro	532	$coro
349	}	533	}
350		534
351	sub write_runtime {	535	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		536
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
355	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
356		541
357	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		543
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
362	and return;	545	my ($cb, @args) = @_;
363		546
364	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
366	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
367		550
368	close $fh	551	my @res = Coro::Util::fork_eval {
369	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
370		555
371	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
372	and return;	557	}
373		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
374	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	722	}
376		723
377	=back	724	=back
378		725
379	=cut	726	=cut
380		727
381	#############################################################################	728	#############################################################################
382		729
383	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
384		731
385	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
386	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
388		735
389	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	738	Deliantra).
392		739
393	=over 4	740	=over 4
394		741
395	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
396		743
…		…
440	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
441		788
442	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
444		791
445	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
446	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
447		794
448	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
449		796
450	=over 4	797	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
560		907
561	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		912
566	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	914	my $pkg = shift @arg;
568		915
569	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
599	}	946	}
600		947
601	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
602	} else {	949	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	951	}
605		952
606	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
607	}	954	}
608		955
…		…
610	if (ref $_[0]) {	957	if (ref $_[0]) {
611	_object_attach @_;	958	_object_attach @_;
612	} else {	959	} else {
613	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
614	}	961	}
		962	_recalc_want;
615	};	963	};
616		964
617	# all those should be optimised	965	# all those should be optimised
618	sub cf::attachable::detach {	966	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
623	reattach ($obj);	971	reattach ($obj);
624	} else {	972	} else {
625	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
626	}	974	}
		975	_recalc_want;
627	};	976	};
628		977
629	sub cf::attachable::attached {	978	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
631		980
…		…
646	";	995	";
647	die if $@;	996	die if $@;
648	}	997	}
649		998
650	our $override;	999	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1001
653	sub override {	1002	sub override {
654	$override = 1;	1003	$override = 1;
655	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
656	}	1005	}
657		1006
658	sub do_invoke {	1007	sub do_invoke {
659	my $event = shift;	1008	my $event = shift;
660	my $callbacks = shift;	1009	my $callbacks = shift;
661		1010
662	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
663		1012
664	local $override;	1013	local $override;
665		1014
666	for (@$callbacks) {	1015	for (@$callbacks) {
667	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
676	}	1025	}
677		1026
678	0	1027	0
679	}	1028	}
680		1029
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1031
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1033
685	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
686		1035
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1039
691	=back	1040	=back
692		1041
693	=cut	1042	=cut
694		1043
695	#############################################################################	1044	#############################################################################
696	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
697		1088
698	sub reattach {	1089	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1091	my ($obj) = @_;
701		1092
		1093	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1095
704	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
705		1097
706	@$registry = ();	1098	@$registry = ();
707		1099
…		…
722	cf::attachable->attach (	1114	cf::attachable->attach (
723	prio => -1000000,	1115	prio => -1000000,
724	on_instantiate => sub {	1116	on_instantiate => sub {
725	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
726		1118
727	$data = from_json $data;	1119	$data = decode_json $data;
728		1120
729	for (@$data) {	1121	for (@$data) {
730	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
731		1123
732	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1140	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
750		1142
751	sync_job {	1143	sync_job {
752	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
755		1148
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1153	aio_close $fh;
761		1154
762	if (@$objs) {	1155	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1161	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
770	}	1163	}
771	} else {	1164	} else {
772	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
773	}	1166	}
774		1167
775	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
776	} else {	1172	} else {
777	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
778	}	1174	}
779	} else {	1175	} else {
780	aio_unlink $filename;	1176	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
782	}	1178	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1179	};
790	}	1180	}
791		1181
792	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
794		1184
…		…
799		1189
800	sub object_thawer_load {	1190	sub object_thawer_load {
801	my ($filename) = @_;	1191	my ($filename) = @_;
802		1192
803	my ($data, $av);	1193	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1194
808	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
809	or return;	1196	or return;
810		1197
811	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
813	or return;	1200	or return;
		1201
814	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
815	}	1204	}
816		1205
		1206	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
819	return ($data, $av);	1210	($data, $av)
820	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
821		1218
822	#############################################################################	1219	#############################################################################
823	# command handling &c	1220	# command handling &c
824		1221
825	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1236	}
840		1237
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1239
843	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
844		1245
845	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
846	called.	1247	called.
847		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
848	=cut	1260	=cut
849		1261
850	sub register_extcmd {	1262	sub register_extcmd {
851	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
852		1264
853	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
854	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
855		1275
856	cf::player->attach (	1276	cf::player->attach (
857	on_command => sub {	1277	on_command => sub {
858	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
859		1279
…		…
867	cf::override;	1287	cf::override;
868	},	1288	},
869	on_extcmd => sub {	1289	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
871		1291
872	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1293
874	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
880	} else {	1309	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1311	}
883		1312
884	cf::override;	1313	cf::override;
885	},	1314	},
886	);	1315	);
887		1316
		1317	# "readahead" all extensions
888	sub load_extension {	1318	sub cache_extensions {
889	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
890		1320
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
892	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1324	}
916	die $@;
917	}	1325	};
918		1326
919	push @EXTS, $pkg;	1327	$grp
920	}	1328	}
921		1329
922	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
923	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1335	next unless -r $path;
925	eval {	1336
926	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
927	1	1393	}
928	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
929	}	1399	};
930	}	1400	}
931		1401
932	#############################################################################	1402	#############################################################################
933		1403
		1404	=back
		1405
934	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
935		1407
936	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
937		1409
938	=cut	1410	=cut
939		1411
940	package cf::player;	1412	package cf::player;
941		1413
…		…
943		1415
944	=head3 cf::player	1416	=head3 cf::player
945		1417
946	=over 4	1418	=over 4
947		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
948	=item cf::player::find $login	1434	=item cf::player::find $login
949		1435
950	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
951		1437
952	=cut	1438	=cut
953		1439
954	sub playerdir($) {	1440	sub playerdir($) {
955	cf::localdir	1441	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1443	}
961		1444
962	sub path($) {	1445	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1447
965	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
966	}	1449	}
967		1450
968	sub find_active($) {	1451	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
973		1456
974	sub exists($) {	1457	sub exists($) {
975	my ($login) = @_;	1458	my ($login) = @_;
976		1459
977	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
979	}	1462	}
980		1463
981	sub find($) {	1464	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1466	my $login = $_[0];
984		1467
985	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
986		1469
987	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
989	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
991	}	1487	}
992	}	1488	}
993	}	1489	}
994		1490
…		…
1003	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1004		1500
1005	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1007		1503
		1504	cf::get_slot 0.01;
		1505
1008	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1009	Coro::cede;	1507	cf::cede_to_tick;
1010	}	1508	}
1011		1509
1012	sub new($) {	1510	sub new($) {
1013	my ($login) = @_;	1511	my ($login) = @_;
1014		1512
…		…
1020	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1021		1519
1022	$self	1520	$self
1023	}	1521	}
1024		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1025	=item $pl->quit_character	1533	=item $pl->quit_character
1026		1534
1027	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1029		1537
1030	=cut	1538	=cut
1031		1539
1032	sub quit_character {	1540	sub quit_character {
1033	my ($pl) = @_;	1541	my ($pl) = @_;
1034		1542
		1543	my $name = $pl->ob->name;
		1544
1035	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1547
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1042		1554
1043	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1048	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1049	}	1581	}
1050		1582
1051	=item cf::player::list_logins	1583	=item cf::player::list_logins
1052		1584
1053	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1055		1587
1056	=cut	1588	=cut
1057		1589
1058	sub list_logins {	1590	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1592	or return [];
1061		1593
1062	my @logins;	1594	my @logins;
1063		1595
1064	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1068		1606
1069	utf8::decode $login;	1607	utf8::decode $login;
1070	push @logins, $login;	1608	push @logins, $login;
1071	}	1609	}
1072		1610
…		…
1099	}	1637	}
1100		1638
1101	\@paths	1639	\@paths
1102	}	1640	}
1103		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1105		1647
1106	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1107		1649
1108	=cut	1650	=cut
1109		1651
1110	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1112		1654
1113	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1656	}
1117		1657
1118	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1119		1698
1120	=back	1699	=back
1121
1122		1700
1123	=head3 cf::map	1701	=head3 cf::map
1124		1702
1125	=over 4	1703	=over 4
1126		1704
…		…
1138	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1140		1718
1141	sub generate_random_map {	1719	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1143	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1725	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1182		1763
1183	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1184	local $self->{path};	1765	local $self->{path};
1185	local $self->{load_path};	1766	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1767
1189	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1190	}	1769	}
1191		1770
1192	sub normalise {	1771	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1240	return $self;	1819	return $self;
1241	}	1820	}
1242	}	1821	}
1243		1822
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1824	()
1246	}	1825	}
1247		1826
1248	sub init {	1827	sub init {
1249	my ($self) = @_;	1828	my ($self) = @_;
…		…
1264		1843
1265	# the original (read-only) location	1844	# the original (read-only) location
1266	sub load_path {	1845	sub load_path {
1267	my ($self) = @_;	1846	my ($self) = @_;
1268		1847
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1270	}	1849	}
1271		1850
1272	# the temporary/swap location	1851	# the temporary/swap location
1273	sub save_path {	1852	sub save_path {
1274	my ($self) = @_;	1853	my ($self) = @_;
1275		1854
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1278	}	1857	}
1279		1858
1280	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1281	sub uniq_path {	1860	sub uniq_path {
1282	my ($self) = @_;	1861	my ($self) = @_;
1283		1862
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1286	}	1865	}
1287		1866
1288	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1289	# all maps in C++...	1868	# all maps in C++...
1290	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1292		1871
1293	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1295	}	1874	}
1296		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1297	sub unlink_save {	1884	sub unlink_save {
1298	my ($self) = @_;	1885	my ($self) = @_;
1299		1886
1300	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1890	}
1309		1891
1310	sub load_header_from($) {	1892	sub load_header_from($) {
1311	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1312		1894
1313	utf8::encode $path;	1895	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1319		1904
1320	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1321		1906
1322	1	1907	1
1323	}	1908	}
…		…
1362	$self->load_header_orig	1947	$self->load_header_orig
1363	or return;	1948	or return;
1364	$self->prepare_orig;	1949	$self->prepare_orig;
1365	}	1950	}
1366		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
		1955	$self->default_region (cf::region::find_by_path $self->{path})
		1956	unless $self->default_region;
		1957
1367	1	1958	1
1368	}	1959	}
1369		1960
1370	sub find;	1961	sub find;
1371	sub find {	1962	sub find {
1372	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1373		1964
1374	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1375		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1377		1969
1378	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";
1380	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1381	or return;	1972	or return;
1382		1973
1383	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1384		1975
1385	$map->load_header	1976	$map->load_header
1386	or return;	1977	or return;
1387		1978
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1391	$map->reset;	1984	$map->reset;
1392	undef $guard;
1393	return find $path;	1985	return find $path;
1394	}	1986	}
1395		1987
1396	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1397	}	1989	}
…		…
1404	my ($self) = @_;	1996	my ($self) = @_;
1405		1997
1406	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1407		1999
1408	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1410		2004
		2005	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2007
1413	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1414		2009
1415	$self->alloc;	2010	$self->alloc;
1416		2011
1417	$self->pre_load;	2012	$self->pre_load;
		2013	cf::cede_to_tick;
1418		2014
1419	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1420	or return;	2018	or return;
1421		2019
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1423	if delete $self->{load_original};	2021	if delete $self->{load_original};
1424		2022
1425	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2024	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2027	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1430	}	2031	}
1431	}	2032	}
1432		2033
1433	Coro::cede;	2034	$f->resolve_delayed_derefs;
1434		2035
		2036	cf::cede_to_tick;
1435	# now do the right thing for maps	2037	# now do the right thing for maps
1436	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2040	unless $self->difficulty;
1446	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1447	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2057	}
1449		2058
1450	$self->post_load;	2059	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2060	}
1454		2061
1455	sub customise_for {	2062	sub customise_for {
1456	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1457		2064
1458	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2066	if $self->per_player;
1460		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1461	$self	2071	$self
1462	}	2072	}
1463		2073
1464	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2075	sub load_neighbours {
1466	my ($map) = @_;	2076	my ($map) = @_;
1467		2077
1468	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1469		2079
1470	for (0 .. 3) {	2080	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1472	or next;	2082	or next;
1473	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1474	or next;	2084	or next;
1475	$neigh->load;	2085	$neigh->load;
1476		2086
		2087	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2090	}
1480		2091
1481	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1483	or next;	2095	or next;
1484	$neigh->load;	2096	$neigh->load;
1485	}	2097	}
1486	}	2098	}
1487		2099
…		…
1492	}	2104	}
1493		2105
1494	sub do_load_sync {	2106	sub do_load_sync {
1495	my ($map) = @_;	2107	my ($map) = @_;
1496		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1497	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1498	}	2113	}
1499		2114
1500	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1502		2117
1503	sub find_async {	2118	sub find_async {
1504	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1505		2120
1506	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1507		2122
1508	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2125	}
1511		2126
1512	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1513	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1514	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2134	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2135	$map->load if $v;
		2136	}
1519		2137
1520	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1521	}	2139	}
1522	}	2140	}
1523	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1524	};	2142	};
1525	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2146	}
1529		2147
1530	sub save {	2148	sub save {
1531	my ($self) = @_;	2149	my ($self) = @_;
1532		2150
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2152
1535	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1536		2154
1537	return unless $self->dirty;	2155	return unless $self->dirty;
1538		2156
…		…
1544	return if $self->{deny_save};	2162	return if $self->{deny_save};
1545		2163
1546	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1547		2165
1548	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1550	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1551		2172
1552	if ($uniq) {	2173	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2176	} else {
…		…
1561	my ($self) = @_;	2182	my ($self) = @_;
1562		2183
1563	# save first because save cedes	2184	# save first because save cedes
1564	$self->save;	2185	$self->save;
1565		2186
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2188
1568	return if $self->players;	2189	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2191	return if $self->{deny_save};
1571		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2197	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2198	}
1575		2199
1576	sub reset_at {	2200	sub reset_at {
1577	my ($self) = @_;	2201	my ($self) = @_;
1578		2202
1579	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1582		2205
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2208
…		…
1596	my ($self) = @_;	2219	my ($self) = @_;
1597		2220
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2222
1600	return if $self->players;	2223	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2224
1603	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
		2226
		2227	$self->in_memory (cf::MAP_SWAPPED);
		2228
		2229	# need to save uniques path
		2230	unless ($self->{deny_save}) {
		2231	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2232
		2233	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2234	if $uniq;
		2235	}
1604		2236
1605	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1606		2238
1607	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2241	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2242
1612	$self->unlink_save;	2243	$self->unlink_save;
1613	$self->destroy;	2244	$self->destroy;
1614	}	2245	}
1615		2246
1616	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1617		2248
1618	sub nuke {	2249	sub nuke {
1619	my ($self) = @_;	2250	my ($self) = @_;
1620		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1621	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1622		2256
1623	$self->unlink_save;	2257	$self->unlink_save;
1624		2258
1625	bless $self, "cf::map";	2259	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2264
1631	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1632		2267
1633	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1634	}	2305	}
1635		2306
1636	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1637		2308
1638	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2310	instantiated unique items. May block.
1640		2311
1641	=cut	2312	=cut
1642		2313
1643	sub unique_maps() {	2314	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1645	or return;	2316	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2317	utf8::decode $_;
1651	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2320	? ()
1654	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2323	]
1656
1657	\@paths
1658	}	2324	}
1659
1660	package cf;
1661		2325
1662	=back	2326	=back
1663		2327
1664	=head3 cf::object	2328	=head3 cf::object
1665		2329
…		…
1669		2333
1670	=over 4	2334	=over 4
1671		2335
1672	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1673		2337
1674	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1675		2340
1676	=cut	2341	=cut
1677		2342
1678	sub inv_recursive_;	2343	sub inv_recursive_;
1679	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1682		2347
1683	sub inv_recursive {	2348	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1685	}	2350	}
1686		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1687	package cf;	2380	package cf;
1688		2381
1689	=back	2382	=back
1690		2383
1691	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1700		2393
1701	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1702		2409
1703	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2411	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1708		2415
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2417
1711	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1713	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1716	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1717	}	2443	}
1718		2444
1719	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1720		2446
1721	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1734		2460
1735	=item $player_object->enter_link	2461	=item $player_object->enter_link
1736		2462
1737	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1738		2464
1739	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1740	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1741		2469
1742	Will never block.	2470	Will never block.
1743		2471
1744	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1745		2473
…		…
1768	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1769		2497
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2499
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1774		2502
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2504	}
1777		2505
1778	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1780		2510
1781	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1782		2512
1783	unless ($map) {	2513	unless ($map) {
1784	# restore original map position	2514	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1801		2531
1802	$map->load;	2532	$map->load;
1803	$map->load_diag;	2533	$map->load_neighbours;
1804		2534
1805	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1806	$self->activate_recursive;	2537	$self->activate_recursive;
		2538
		2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1808	}	2541	}
1809		2542
1810	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2544
1814	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1818	};	2549	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2550
1824	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1825	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2553
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1845		2557
1846	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2563
1849	$self->enter_link;	2564	$self->enter_link;
1850		2565
1851	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1852	my $map = eval {	2588	my $map = eval {
1853	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1855	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2604	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1860	})->prio (1);	2612	})->prio (1);
1861	}	2613	}
1862		2614
1863	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1864		2616
…		…
1884	}	2636	}
1885		2637
1886	sub prepare_random_map {	2638	sub prepare_random_map {
1887	my ($exit) = @_;	2639	my ($exit) = @_;
1888		2640
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2643	# that depends on the exit object
1894		2644
1895	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2647	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1902	}	2654	}
1903		2655
1904	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1905		2657
1906	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1909		2661
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2664	undef $fh;
1913	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1914		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1917	}	2673	}
1918	}	2674	}
1919		2675
1920	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
1922		2678
1923	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1924		2680
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2681	$self->enter_link;
1935		2682
1936	(async {	2683	(async {
1937	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1938	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
1939	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
1940		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
1941	1;	2707	1
1942	}) {	2708	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2713
1948	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2715	$self->leave_link;
1950	}	2716	}
1951	})->prio (1);	2717	})->prio (1);
…		…
1964		2730
1965	sub cf::client::send_drawinfo {	2731	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2732	my ($self, $text, $flags) = @_;
1967		2733
1968	utf8::encode $text;	2734	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2736	}
1971		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
		2889	=item $client->ext_msg ($type, @msg)
		2890
		2891	Sends an ext event to the client.
		2892
		2893	=cut
		2894
		2895	sub cf::client::ext_msg($$@) {
		2896	my ($self, $type, @msg) = @_;
		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
		2901	push @msg, msgtype => "event_$type";
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
		2922	}
1972		2923
1973	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
1974		2925
1975	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2929
1979	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2931	become reliable at some point in the future.
1981		2932
1982	=cut	2933	=cut
1983		2934
1984	sub cf::client::query {	2935	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2944	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2946
1996	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
1998	}	2951	}
1999		2952
2000	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2001	on_reply => sub {	2959	on_reply => sub {
2002	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2003		2961
2004	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2005	# get handled first	2963	# get handled first
…		…
2017	} else {	2975	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2977	}
2020	}	2978	}
2021	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2022	);	3006	);
2023		3007
2024	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2025		3009
2026	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2069		3053
2070	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2071		3055
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2073		3061
2074	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2075		3063
2076	=pod	3064	=pod
2077		3065
2078	The following fucntions and emthods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2079		3067
2080	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2081	cf::object::player player	3072	cf::object::player
2082	cf::player peaceful	3073	player
2083	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2084		3080
2085	=cut	3081	=cut
2086		3082
2087	for (	3083	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2089	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2092	) {	3090	) {
2093	no strict 'refs';	3091	no strict 'refs';
…		…
2164	=back	3162	=back
2165		3163
2166	=cut	3164	=cut
2167		3165
2168	#############################################################################	3166	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3167	# the server's init and main functions
2278		3168
		3169	sub load_facedata($) {
		3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3177
		3178	warn "loading facedata from $path\n";
		3179
		3180	my $facedata;
		3181	0 < aio_load $path, $facedata
		3182	or die "$path: $!";
		3183
		3184	$facedata = Coro::Storable::thaw $facedata;
		3185
		3186	$facedata->{version} == 2
		3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
		3196	{
		3197	my $faces = $facedata->{faceinfo};
		3198
		3199	while (my ($face, $info) = each %$faces) {
		3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
		3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
		3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3206
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	while (my ($face, $info) = each %$faces) {
		3211	next unless $info->{smooth};
		3212
		3213	my $idx = cf::face::find $face
		3214	or next;
		3215
		3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
		3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3219	} else {
		3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	{
		3228	my $anims = $facedata->{animinfo};
		3229
		3230	while (my ($anim, $info) = each %$anims) {
		3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3232	cf::cede_to_tick;
		3233	}
		3234
		3235	cf::anim::invalidate_all; # d'oh
		3236	}
		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
		3273	1
		3274	}
		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
2279	sub load_resources {	3304	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3320	or die "unable to load regions file\n";
2282	}
2283		3321
2284	sub cfg_load {	3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
		3333	sub reload_archetypes {
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_facedata;
		3347	reload_archetypes;
		3348	reload_regions;
		3349	reload_treasures;
		3350
		3351	warn "finished reloading resource files\n";
		3352	}
		3353
		3354	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3356	or return;
2287		3357
2288	local $/;	3358	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2290		3360
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3362
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3370	};
2301	warn $@ if $@;	3371	warn $@ if $@;
2302	}	3372	}
2303	}	3373	}
2304		3374
2305	sub init {	3375	sub pidfile() {
2306	load_resources;	3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
2307	}	3392	}
2308		3393
2309	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2310	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3413	(async {
2314	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2316	};	3417	};
2317		3418
2318	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
2319	db_load;	3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
		3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2320	load_extensions;	3437	load_extensions;
2321		3438
2322	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2323	Event::loop;	3447	EV::loop;
2324	}	3448	}
2325		3449
2326	#############################################################################	3450	#############################################################################
2327	# initialisation and cleanup	3451	# initialisation and cleanup
2328		3452
2329	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2330	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2339	},
2340	);	3459	};
		3460	}
		3461	}
		3462
		3463	sub write_runtime_sync {
		3464	# first touch the runtime file to show we are still running:
		3465	# the fsync below can take a very very long time.
		3466
		3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3468
		3469	my $guard = cf::lock_acquire "write_runtime";
		3470
		3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = $cf::RUNTIME + 90 + 10;
		3475	# 10 is the runtime save interval, for a monotonic clock
		3476	# 60 allows for the watchdog to kill the server.
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	# touch it again to show we are up-to-date
		3486	aio_utime $fh, undef, undef;
		3487
		3488	close $fh
		3489	or return;
		3490
		3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3492	and return;
		3493
		3494	warn "runtime file written.\n";
		3495
2341	}	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2342	}	3547	}
2343		3548
2344	sub emergency_save() {	3549	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2346		3551
2347	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2348		3553
2349	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2350	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2351	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2352	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2354	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3568	$pl->save;
2358	}	3569	}
2359	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2360		3571
2361	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2362	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2363	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3575	$map->valid or next;
2365	$map->save;	3576	$map->save;
2366	}	3577	}
2367	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
		3579
		3580	warn "emergency_perl_save: begin database checkpoint\n";
		3581	BDB::db_env_txn_checkpoint $DB_ENV;
		3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2368	};	3587	};
2369		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2370	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2371	}	3595	}
2372		3596
		3597	sub post_cleanup {
		3598	my ($make_core) = @_;
		3599
		3600	warn Carp::longmess "post_cleanup backtrace"
		3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
		3631	}
		3632
2373	sub reload() {	3633	sub do_reload_perl() {
2374	# can/must only be called in main	3634	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2377	return;	3637	return;
2378	}	3638	}
2379		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2380	warn "reloading...";	3645	warn "reloading...";
2381		3646
2382	warn "cancelling server ticker";	3647	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3648
		3649	cf::sync_job {
		3650	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3651	cf::emergency_save;
		3652	cf::write_runtime_sync; # external watchdog should not bark
2386		3653
2387	eval {	3654	warn "syncing database to disk";
		3655	BDB::db_env_txn_checkpoint $DB_ENV;
		3656
2388	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2389		3658
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2399	for (;;) {	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2400	IO::AIO::flush;	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();
2409
2410	warn "removing commands";
2411	%COMMAND = ();
2412
2413	warn "removing ext commands";
2414	%EXTCMD = ();
2415
2416	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";
2419
2420	if (my $cb = $pkg->can ("unload")) {
2421	eval {
2422	$cb->($pkg);
2423	1
2424	} or warn "$pkg unloaded, but with errors: $@";
2425	}	3662	}
2426		3663
2427	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2428	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2429	}	3666	%EXT_CORO = ();
2430		3667
2431	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2432	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2435	warn "... unloading $k";	3677	warn "... unloading $pkg";
2436	delete $INC{$k};
2437		3678
2438	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;
2440
2441	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2442	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2443	}	3688	}
2444		3689
2445	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
2446	}	3705	}
2447		3706
2448	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3710
2452	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
		3713	delete $INC{"cf/pod.pm"};
2454		3714
2455	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3716	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2458		3718
2459	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2460		3720
2461	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2462	require cf;	3722	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3724
2465	warn "loading config and database again";	3725	warn "loading config and database again";
2466	cf::cfg_load;	3726	cf::reload_config;
2467	cf::db_load;
2468		3727
2469	warn "loading extensions";	3728	warn "loading extensions";
2470	cf::load_extensions;	3729	cf::load_extensions;
2471		3730
		3731	if ($REATTACH_ON_RELOAD) {
2472	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3733	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
		3736	warn "reattaching attachments to players";
		3737	reattach $_ for values %PLAYER;
		3738	}
2476		3739
2477	warn "loading reloadable resources";	3740	warn "running post_init jobs";
2478	load_resources;	3741	(pop @POST_INIT)->(1) while @POST_INIT;
2479		3742
2480	warn "restarting server ticker";	3743	warn "leaving sync_job";
2481		3744
2482	$TICK_WATCHER->start;	3745	1
		3746	} or do {
		3747	warn $@;
		3748	cf::cleanup "error while reloading, exiting.";
		3749	};
		3750
		3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
		3757	};
		3758
		3759	our $RELOAD_WATCHER; # used only during reload
		3760
		3761	sub reload_perl() {
		3762	# doing reload synchronously and two reloads happen back-to-back,
		3763	# coro crashes during coro_state_free->destroy here.
		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
		3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3769	do_reload_perl;
		3770	undef $RELOAD_WATCHER;
		3771	};
2483	};	3772	};
2484		3773	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		3774
2496	register_command "reload" => sub {	3775	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2498		3777
2499	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
2501		3780	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3781	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3782	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3783	};
2514	}	3784	}
2515	};	3785	};
2516		3786
2517	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2518		3788
2519	my $bug_warning = 0;	3789	my $bug_warning = 0;
2520		3790
2521	$TICK_WATCHER = Event->timer (	3791	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3792	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3793
2524	prio => 0,	3794	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3796
2527	cb => sub {	3797	my $signal = new Coro::Signal;
		3798	push @WAIT_FOR_TICK, $signal;
		3799	$signal->wait;
		3800	}
		3801
		3802	sub wait_for_tick_begin {
		3803	return if tick_inhibit || $Coro::current == $Coro::main;
		3804
		3805	my $signal = new Coro::Signal;
		3806	push @WAIT_FOR_TICK_BEGIN, $signal;
		3807	$signal->wait;
		3808	}
		3809
		3810	sub tick {
2528	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
2531	return;	3814	return;
2532	}	3815	}
2533		3816
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3818
2540	$WAIT_FOR_TICK->broadcast;	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3821	Coro::async_pool {
2543	Event::sweep;	3822	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3823	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
		3825	};
2578	},	3826	}
2579	);	3827
		3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3829	$sig->send;
		3830	}
		3831	while (my $sig = shift @WAIT_FOR_TICK) {
		3832	$sig->send;
		3833	}
		3834
		3835	$LOAD = ($NOW - $TICK_START) / $TICK;
		3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3837
		3838	if (0) {
		3839	if ($NEXT_TICK) {
		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
		3844	}
		3845	}
		3846
		3847	{
		3848	# configure BDB
		3849
		3850	BDB::min_parallel 8;
		3851	BDB::max_poll_reqs $TICK * 0.1;
		3852	$AnyEvent::BDB::WATCHER->priority (1);
		3853
		3854	unless ($DB_ENV) {
		3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3861
		3862	cf::sync_job {
		3863	eval {
		3864	BDB::db_env_open
		3865	$DB_ENV,
		3866	$BDBDIR,
		3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3869	0666;
		3870
		3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3872	};
		3873
		3874	cf::cleanup "db_env_open(db): $@" if $@;
		3875	};
		3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
		3887	}
		3888
		3889	{
		3890	# configure IO::AIO
		3891
		3892	IO::AIO::min_parallel 8;
		3893	IO::AIO::max_poll_time $TICK * 0.1;
		3894	undef $AnyEvent::AIO::WATCHER;
		3895	}
		3896
		3897	my $_log_backtrace;
		3898
		3899	sub _log_backtrace {
		3900	my ($msg, @addr) = @_;
		3901
		3902	$msg =~ s/\n//;
		3903
		3904	# limit the # of concurrent backtraces
		3905	if ($_log_backtrace < 2) {
		3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
		3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
		3911	my @bt = fork_call {
		3912	@addr = map { sprintf "%x", $_ } @addr;
		3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3915	or die "addr2line: $!";
		3916
		3917	my @funcs;
		3918	my @res = <$fh>;
		3919	chomp for @res;
		3920	while (@res) {
		3921	my ($func, $line) = splice @res, 0, 2, ();
		3922	push @funcs, "[$func] $line";
		3923	}
		3924
		3925	@funcs
		3926	};
		3927
		3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3930	LOG llevInfo, "[ABT] $_\n" for @bt;
		3931	--$_log_backtrace;
		3932	};
		3933	} else {
		3934	LOG llevInfo, "[ABT] $msg\n";
		3935	LOG llevInfo, "[ABT] [suppressed]\n";
		3936	}
		3937	}
		3938
		3939	# load additional modules
		3940	use cf::pod;
2580		3941
2581	END { cf::emergency_save }	3942	END { cf::emergency_save }
2582		3943
2583	1	3944	1
2584		3945

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