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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
28		39	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
42		59
		60	our $RELOAD; # number of reloads so far
43	our @EVENT;	61	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		62
46	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	80	our $NEXT_TICK;
49	our $NOW;	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
50		88
51	our %CFG;	89	our %CFG;
52		90
53	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
55		94
56	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	97	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		98
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	99	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
63		105
64	binmode STDOUT;	106	binmode STDOUT;
65	binmode STDERR;	107	binmode STDERR;
66		108
67	# read virtual server time, if available	109	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
72	}	114	}
73		115
74	mkdir cf::localdir;	116	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		118
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
83		122
84	#############################################################################	123	#############################################################################
85		124
86	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
87		126
…		…
94	=item $cf::RUNTIME	133	=item $cf::RUNTIME
95		134
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	136	every server tick.
98		137
99	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		141
101	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
103		146
104	=item $cf::NOW	147	=item $cf::NOW
105		148
106	The time of the last (current) server tick.	149	The time of the last (current) server tick.
107		150
108	=item $cf::TICK	151	=item $cf::TICK
109		152
110	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
111		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
112	=item %cf::CFG	165	=item %cf::CFG
113		166
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	168	from wherever your confdir points to.
116		169
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		171
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
123		181
124	=back	182	=back
125		183
126	=cut	184	=cut
127		185
128	BEGIN {	186	BEGIN {
129	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	188	my $msg = join "", @_;
131	utf8::encode $msg;
132		189
133	$msg .= "\n"	190	$msg .= "\n"
134	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
135		194
136	LOG llevError, $msg;	195	LOG llevError, $msg;
137	};	196	};
138	}	197	}
139		198
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		206
147	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	208	# within the Safe compartment.
149	for my $pkg (qw(	209	for my $pkg (qw(
150	cf::global cf::attachable	210	cf::global cf::attachable
…		…
155	)) {	215	)) {
156	no strict 'refs';	216	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	218	}
159		219
160	$Event::DIED = sub {	220	$EV::DIED = sub {
161	warn "error in event callback: @_";	221	warn "error in event callback: @_";
162	};	222	};
		223
		224	#############################################################################
163		225
164	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
165		227
166	=over 4	228	=over 4
167		229
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	249	$d
188	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
189	}	251	}
190		252
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
194		254
195	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
196		256
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
205		258
206	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
207		260
208	=cut	261	=cut
209		262
210	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
212	JSON::Syck::Dump $_[0]	265	sub encode_json($) { $json_coder->encode ($_[0]) }
213	}	266	sub decode_json($) { $json_coder->decode ($_[0]) }
214		267
215	=item cf::lock_wait $string	268	=item cf::lock_wait $string
216		269
217	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
218		271
…		…
221	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
224	returned.	277	returned.
225		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
226	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
228		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
229	=cut	289	=cut
230		290
231	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
232		293
233	sub lock_wait($) {	294	sub lock_wait($) {
234	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
235		301
236	# wait for lock, if any	302	# wait for lock, if any
237	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;	305	Coro::schedule;
…		…
245		311
246	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
247	lock_wait $key;	313	lock_wait $key;
248		314
249	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
250		317
251	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
252	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
254	}	322	}
255	}	323	}
256		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
257	sub freeze_mainloop {	331	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
259		333
260	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
261	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
262	$guard	338	$guard
		339	}
		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
263	}	412	}
264		413
265	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
266		415
267	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		421
273	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
274		423
275	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
276		425
277	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
280		430
281	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
284	fast or be very important.	434	fast or be very important.
…		…
287		437
288	sub sync_job(&) {	438	sub sync_job(&) {
289	my ($job) = @_;	439	my ($job) = @_;
290		440
291	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
292	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
294		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
295	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	450	# (but this is cancel-safe)
297	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
298		452
299	my $busy = 1;	453	my $busy = 1;
300	my @res;	454	my @res;
301		455
302	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	458	@res = eval { $job->() };
304	warn $@ if $@;	459	warn $@ if $@;
305	undef $busy;	460	undef $busy;
306	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
307		462
308	while ($busy) {	463	while ($busy) {
309	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
310	}	468	}
		469	}
		470
		471	$time = EV::time - $time;
		472
		473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		475
		476	$tick_start += $time; # do not account sync jobs to server load
311		477
312	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
313	} else {	479	} else {
314	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
315		481
…		…
335	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
336		502
337	$coro	503	$coro
338	}	504	}
339		505
340	sub write_runtime {	506	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		507
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	508	Executes the given code block with the given arguments in a seperate
344	or return;	509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
345		512
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	513	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		514
350	aio_fsync $fh	515	sub fork_call(&@) {
351	and return;	516	my ($cb, @args) = @_;
352		517
353	close $fh	518	# we seemingly have to make a local copy of the whole thing,
354	or return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
355		521
356	aio_rename "$runtime~", $runtime	522	my @res = Coro::Util::fork_eval {
357	and return;	523	reset_signals;
		524	&$cb
		525	}, @args;
358		526
		527	wantarray ? @res : $res[-1]
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=item $db = cf::db_table "name"
		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
359	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
		655	}
		656
		657	=item cf::datalog type => key => value, ...
		658
		659	Log a datalog packet of the given type with the given key-value pairs.
		660
		661	=cut
		662
		663	sub datalog($@) {
		664	my ($type, %kv) = @_;
		665	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	666	}
361		667
362	=back	668	=back
363		669
364	=cut	670	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		671
493	#############################################################################	672	#############################################################################
494		673
495	=head2 ATTACHABLE OBJECTS	674	=head2 ATTACHABLE OBJECTS
496		675
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
500		679
501	In the following description, CLASS can be any of C<global>, C<object>	680	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	682	Deliantra).
504		683
505	=over 4	684	=over 4
506		685
507	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
508		687
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	801	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	802	our @CB_MAP = ();
624		803
625	my %attachment;	804	my %attachment;
626		805
		806	sub cf::attachable::thawer_merge {
		807	# simply override everything except _meta
		808	local $_[0]{_meta};
		809	%{$_[0]} = %{$_[1]};
		810	}
		811
627	sub _attach_cb($$$$) {	812	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	813	my ($registry, $event, $prio, $cb) = @_;
629		814
630	use sort 'stable';	815	use sort 'stable';
631		816
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
666		851
667	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		856
672	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	858	my $pkg = shift @arg;
674		859
675	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
705	}	890	}
706		891
707	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
708	} else {	893	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	895	}
711		896
712	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
713	}	898	}
714		899
…		…
716	if (ref $_[0]) {	901	if (ref $_[0]) {
717	_object_attach @_;	902	_object_attach @_;
718	} else {	903	} else {
719	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
720	}	905	}
		906	_recalc_want;
721	};	907	};
722		908
723	# all those should be optimised	909	# all those should be optimised
724	sub cf::attachable::detach {	910	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
729	reattach ($obj);	915	reattach ($obj);
730	} else {	916	} else {
731	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
732	}	918	}
		919	_recalc_want;
733	};	920	};
734		921
735	sub cf::attachable::attached {	922	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
737		924
…		…
752	";	939	";
753	die if $@;	940	die if $@;
754	}	941	}
755		942
756	our $override;	943	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		945
759	sub override {	946	sub override {
760	$override = 1;	947	$override = 1;
761	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
762	}	949	}
763		950
764	sub do_invoke {	951	sub do_invoke {
765	my $event = shift;	952	my $event = shift;
766	my $callbacks = shift;	953	my $callbacks = shift;
767		954
768	@invoke_results = ();	955	@INVOKE_RESULTS = ();
769		956
770	local $override;	957	local $override;
771		958
772	for (@$callbacks) {	959	for (@$callbacks) {
773	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
782	}	969	}
783		970
784	0	971	0
785	}	972	}
786		973
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		975
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		977
791	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
792		979
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	981	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		983
797	=back	984	=back
798		985
799	=cut	986	=cut
800		987
801	#############################################################################	988	#############################################################################
802	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
803		1032
804	sub reattach {	1033	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1035	my ($obj) = @_;
		1036
		1037	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1038
808	my $registry = $obj->registry;	1039	my $registry = $obj->registry;
809		1040
810	@$registry = ();	1041	@$registry = ();
811		1042
…		…
826	cf::attachable->attach (	1057	cf::attachable->attach (
827	prio => -1000000,	1058	prio => -1000000,
828	on_instantiate => sub {	1059	on_instantiate => sub {
829	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
830		1061
831	$data = from_json $data;	1062	$data = decode_json $data;
832		1063
833	for (@$data) {	1064	for (@$data) {
834	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
835		1066
836	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1083	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
854		1085
855	sync_job {	1086	sync_job {
856	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
859		1091
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1095	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1096	close $fh;
865		1097
866	if (@$objs) {	1098	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1103	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1104	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
874	}	1106	}
875	} else {	1107	} else {
876	aio_unlink "$filename.pst";	1108	aio_unlink "$filename.pst";
…		…
882	}	1114	}
883	} else {	1115	} else {
884	aio_unlink $filename;	1116	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
886	}	1118	}
887	}	1119	};
888	}	1120	}
889		1121
890	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
892		1124
…		…
904	or return;	1136	or return;
905		1137
906	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
908	or return;	1140	or return;
		1141
909	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
910	}	1144	}
911		1145
		1146	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
914	return ($data, $av);	1150	($data, $av)
915	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
916		1158
917	#############################################################################	1159	#############################################################################
918	# command handling &c	1160	# command handling &c
919		1161
920	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1176	}
935		1177
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1179
938	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
939		1185
940	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
941	called.	1187	called.
942		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
943	=cut	1200	=cut
944		1201
945	sub register_extcmd {	1202	sub register_extcmd {
946	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
947		1204
948	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
949	}	1212	}
950		1213
951	cf::player->attach (	1214	cf::player->attach (
952	on_command => sub {	1215	on_command => sub {
953	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1225	cf::override;
963	},	1226	},
964	on_extcmd => sub {	1227	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
966		1229
967	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1231
969	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
975	} else {	1247	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1249	}
978		1250
979	cf::override;	1251	cf::override;
980	},	1252	},
981	);	1253	);
982		1254
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "... loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
1011	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1260	next unless -r $path;
1013	eval {	1261
1014	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
1015	1	1319	}
1016	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
1017	}	1325	};
1018	}	1326	}
1019		1327
1020	#############################################################################	1328	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1329
1023	*cf::mapsupport::on_clean = sub {	1330	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1331
1036	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
1037		1333
1038	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
1039		1335
…		…
1045		1341
1046	=head3 cf::player	1342	=head3 cf::player
1047		1343
1048	=over 4	1344	=over 4
1049		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
		1359
1050	=item cf::player::find $login	1360	=item cf::player::find $login
1051		1361
1052	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
1053		1363
1054	=cut	1364	=cut
1055		1365
1056	sub playerdir($) {	1366	sub playerdir($) {
1057	cf::localdir	1367	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1369	}
1063		1370
1064	sub path($) {	1371	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1373
1067	(playerdir $login) . "/$login.pl"	1374	(playerdir $login) . "/playerdata"
1068	}	1375	}
1069		1376
1070	sub find_active($) {	1377	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1378	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1379	and $cf::PLAYER{$_[0]}->active
…		…
1075		1382
1076	sub exists($) {	1383	sub exists($) {
1077	my ($login) = @_;	1384	my ($login) = @_;
1078		1385
1079	$cf::PLAYER{$login}	1386	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1387	or cf::sync_job { !aio_stat path $login }
1081	}	1388	}
1082		1389
1083	sub find($) {	1390	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1391	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1392	my $login = $_[0];
1086		1393
1087	my $guard = cf::lock_acquire "user_find:$login";	1394	my $guard = cf::lock_acquire "user_find:$login";
1088		1395
1089	$cf::PLAYER{$_[0]} || do {	1396	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1397	# rename old playerfiles to new ones
		1398	#TODO: remove when no longer required
		1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1402	aio_unlink +(playerdir $login) . "/$login.pl";
		1403
		1404	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1093	}	1412	}
1094	}	1413	}
1095	}	1414	}
1096		1415
…		…
1106		1425
1107	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1109		1428
1110	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1111	Coro::cede;	1430	cf::cede_to_tick;
1112	}	1431	}
1113		1432
1114	sub new($) {	1433	sub new($) {
1115	my ($login) = @_;	1434	my ($login) = @_;
1116		1435
…		…
1122	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1123		1442
1124	$self	1443	$self
1125	}	1444	}
1126		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
		1454	}
		1455
1127	=item $pl->quit_character	1456	=item $pl->quit_character
1128		1457
1129	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1459	be destroyed. May block for a long time.
1131		1460
1132	=cut	1461	=cut
1133		1462
1134	sub quit_character {	1463	sub quit_character {
1135	my ($pl) = @_;	1464	my ($pl) = @_;
		1465
		1466	my $name = $pl->ob->name;
1136		1467
1137	$pl->{deny_save} = 1;	1468	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1469	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1470
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1476	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1477	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1478	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1479	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1480	$pl->destroy;
		1481
		1482	my $prefix = qr<^~\Q$name\E/>;
		1483
		1484	# nuke player maps
		1485	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1486
1150	IO::AIO::aio_rmtree $temp;	1487	IO::AIO::aio_rmtree $temp;
		1488	}
		1489
		1490	=item $pl->kick
		1491
		1492	Kicks a player out of the game. This destroys the connection.
		1493
		1494	=cut
		1495
		1496	sub kick {
		1497	my ($pl, $kicker) = @_;
		1498
		1499	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1500	$pl->killer ("kicked");
		1501	$pl->ns->destroy;
1151	}	1502	}
1152		1503
1153	=item cf::player::list_logins	1504	=item cf::player::list_logins
1154		1505
1155	Returns am arrayref of all valid playernames in the system, can take a	1506	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1157		1508
1158	=cut	1509	=cut
1159		1510
1160	sub list_logins {	1511	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1513	or return [];
1163		1514
1164	my @logins;	1515	my @logins;
1165		1516
1166	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1170		1526
1171	utf8::decode $login;	1527	utf8::decode $login;
1172	push @logins, $login;	1528	push @logins, $login;
1173	}	1529	}
1174		1530
1175	\@logins	1531	\@logins
1176	}	1532	}
1177		1533
1178	=item $player->maps	1534	=item $player->maps
1179		1535
1180	Returns an arrayref of cf::path's of all maps that are private for this	1536	Returns an arrayref of map paths that are private for this
1181	player. May block.	1537	player. May block.
1182		1538
1183	=cut	1539	=cut
1184		1540
1185	sub maps($) {	1541	sub maps($) {
1186	my ($pl) = @_;	1542	my ($pl) = @_;
		1543
		1544	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1545
1188	my $files = aio_readdir playerdir $pl	1546	my $files = aio_readdir playerdir $pl
1189	or return;	1547	or return;
1190		1548
1191	my @paths;	1549	my @paths;
…		…
1193	for (@$files) {	1551	for (@$files) {
1194	utf8::decode $_;	1552	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1553	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1554	next unless /^$PATH_SEP/o;
1197		1555
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1556	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1557	}
1200		1558
1201	\@paths	1559	\@paths
1202	}	1560	}
1203		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1205		1656
1206	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1207		1658
1208	=cut	1659	=cut
1209		1660
1210	sub ext_reply($$$%) {	1661	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1212		1663
1213	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1665	}
1217		1666
1218	package cf;	1667	=item $player->ext_msg ($type, @msg)
		1668
		1669	Sends an ext event to the client.
		1670
		1671	=cut
		1672
		1673	sub ext_msg($$@) {
		1674	my ($self, $type, @msg) = @_;
		1675
		1676	$self->ns->ext_msg ($type, @msg);
		1677	}
		1678
		1679	=head3 cf::region
		1680
		1681	=over 4
		1682
		1683	=cut
		1684
		1685	package cf::region;
		1686
		1687	=item cf::region::find_by_path $path
		1688
		1689	Tries to decuce the likely region for a map knowing only its path.
		1690
		1691	=cut
		1692
		1693	sub find_by_path($) {
		1694	my ($path) = @_;
		1695
		1696	my ($match, $specificity);
		1697
		1698	for my $region (list) {
		1699	if ($region->{match} && $path =~ $region->{match}) {
		1700	($match, $specificity) = ($region, $region->specificity)
		1701	if $region->specificity > $specificity;
		1702	}
		1703	}
		1704
		1705	$match
		1706	}
1219		1707
1220	=back	1708	=back
1221
1222		1709
1223	=head3 cf::map	1710	=head3 cf::map
1224		1711
1225	=over 4	1712	=over 4
1226		1713
…		…
1229	package cf::map;	1716	package cf::map;
1230		1717
1231	use Fcntl;	1718	use Fcntl;
1232	use Coro::AIO;	1719	use Coro::AIO;
1233		1720
		1721	use overload
		1722	'""' => \&as_string,
		1723	fallback => 1;
		1724
1234	our $MAX_RESET = 3600;	1725	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1726	our $DEFAULT_RESET = 3000;
1236		1727
1237	sub generate_random_map {	1728	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1729	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1730	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1731	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1735	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1736	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1737	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1738	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1739	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1740	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1741	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1742	(cf::region::find $rmp->{region}), $rmp->{custom}
		1743	)
		1744	}
		1745
		1746	=item cf::map->register ($regex, $prio)
		1747
		1748	Register a handler for the map path matching the given regex at the
		1749	givne priority (higher is better, built-in handlers have priority 0, the
		1750	default).
		1751
		1752	=cut
		1753
		1754	sub register {
		1755	my (undef, $regex, $prio) = @_;
		1756	my $pkg = caller;
		1757
		1758	no strict;
		1759	push @{"$pkg\::ISA"}, __PACKAGE__;
		1760
		1761	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1762	}
		1763
		1764	# also paths starting with '/'
		1765	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1766
		1767	sub thawer_merge {
		1768	my ($self, $merge) = @_;
		1769
		1770	# we have to keep some variables in memory intact
		1771	local $self->{path};
		1772	local $self->{load_path};
		1773
		1774	$self->SUPER::thawer_merge ($merge);
		1775	}
		1776
		1777	sub normalise {
		1778	my ($path, $base) = @_;
		1779
		1780	$path = "$path"; # make sure its a string
		1781
		1782	$path =~ s/\.map$//;
		1783
		1784	# map plan:
		1785	#
		1786	# /! non-realised random map exit (special hack!)
		1787	# {... are special paths that are not being touched
		1788	# ?xxx/... are special absolute paths
		1789	# ?random/... random maps
		1790	# /... normal maps
		1791	# ~user/... per-player map of a specific user
		1792
		1793	$path =~ s/$PATH_SEP/\//go;
		1794
		1795	# treat it as relative path if it starts with
		1796	# something that looks reasonable
		1797	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1798	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1799
		1800	$base =~ s{[^/]+/?$}{};
		1801	$path = "$base/$path";
		1802	}
		1803
		1804	for ($path) {
		1805	redo if s{//}{/};
		1806	redo if s{/\.?/}{/};
		1807	redo if s{/[^/]+/\.\./}{/};
		1808	}
		1809
		1810	$path
		1811	}
		1812
		1813	sub new_from_path {
		1814	my (undef, $path, $base) = @_;
		1815
		1816	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1817
		1818	$path = normalise $path, $base;
		1819
		1820	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1821	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1822	my $self = bless cf::map::new, $pkg;
		1823	$self->{path} = $path; $self->path ($path);
		1824	$self->init; # pass $1 etc.
		1825	return $self;
		1826	}
		1827	}
		1828
		1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1830	()
		1831	}
		1832
		1833	sub init {
		1834	my ($self) = @_;
		1835
		1836	$self
		1837	}
		1838
		1839	sub as_string {
		1840	my ($self) = @_;
		1841
		1842	"$self->{path}"
		1843	}
		1844
		1845	# the displayed name, this is a one way mapping
		1846	sub visible_name {
		1847	&as_string
		1848	}
		1849
		1850	# the original (read-only) location
		1851	sub load_path {
		1852	my ($self) = @_;
		1853
		1854	"$MAPDIR/$self->{path}.map"
		1855	}
		1856
		1857	# the temporary/swap location
		1858	sub save_path {
		1859	my ($self) = @_;
		1860
		1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1862	"$TMPDIR/$path.map"
		1863	}
		1864
		1865	# the unique path, undef == no special unique path
		1866	sub uniq_path {
		1867	my ($self) = @_;
		1868
		1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1870	"$UNIQUEDIR/$path"
1254	}	1871	}
1255		1872
1256	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1257	# all maps in C++...	1874	# all maps in C++...
1258	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1260		1877
1261	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1263	}	1880	}
1264		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
		1890	sub unlink_save {
		1891	my ($self) = @_;
		1892
		1893	utf8::encode (my $save = $self->save_path);
		1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1895	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1896	}
		1897
1265	sub try_load_header($) {	1898	sub load_header_from($) {
1266	my ($path) = @_;	1899	my ($self, $path) = @_;
1267		1900
1268	utf8::encode $path;	1901	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1270	or return;	1903	or return;
1271		1904
1272	my $map = cf::map::new	1905	$self->_load_header ($f)
1273	or return;	1906	or return;
1274		1907
1275	# for better error messages only, will be overwritten	1908	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1909	$f->resolve_delayed_derefs;
1277		1910
1278	$map->load_header ($path)	1911	$self->{load_path} = $path;
		1912
		1913	1
		1914	}
		1915
		1916	sub load_header_orig {
		1917	my ($self) = @_;
		1918
		1919	$self->load_header_from ($self->load_path)
		1920	}
		1921
		1922	sub load_header_temp {
		1923	my ($self) = @_;
		1924
		1925	$self->load_header_from ($self->save_path)
		1926	}
		1927
		1928	sub prepare_temp {
		1929	my ($self) = @_;
		1930
		1931	$self->last_access ((delete $self->{last_access})
		1932	|| $cf::RUNTIME); #d#
		1933	# safety
		1934	$self->{instantiate_time} = $cf::RUNTIME
		1935	if $self->{instantiate_time} > $cf::RUNTIME;
		1936	}
		1937
		1938	sub prepare_orig {
		1939	my ($self) = @_;
		1940
		1941	$self->{load_original} = 1;
		1942	$self->{instantiate_time} = $cf::RUNTIME;
		1943	$self->last_access ($cf::RUNTIME);
		1944	$self->instantiate;
		1945	}
		1946
		1947	sub load_header {
		1948	my ($self) = @_;
		1949
		1950	if ($self->load_header_temp) {
		1951	$self->prepare_temp;
		1952	} else {
		1953	$self->load_header_orig
1279	or return;	1954	or return;
		1955	$self->prepare_orig;
		1956	}
1280		1957
1281	$map->{load_path} = $path;	1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
1282		1960
1283	$map	1961	$self->default_region (cf::region::find_by_path $self->{path})
		1962	unless $self->default_region;
		1963
		1964	1
1284	}	1965	}
1285		1966
1286	sub find;	1967	sub find;
1287	sub find {	1968	sub find {
1288	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1289		1970
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1295	cf::lock_wait "map_find:$key";	1974	cf::lock_wait "map_find:$path";
1296		1975
1297	$cf::MAP{$key} || do {	1976	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1299		1979
1300	# do it the slow way	1980	my $map = new_from_path cf::map $path
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1981	or return;
1319		1982
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1332		1984
1333	Coro::cede;	1985	$map->load_header
		1986	or return;
1334		1987
1335	if ($map->should_reset) {	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1989	# doing this can freeze the server in a sync job, obviously
		1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1336	$map->reset;	1993	$map->reset;
1337	undef $guard;
1338	$map = find $path	1994	return find $path;
1339	or return;
1340	}	1995	}
1341		1996
1342	$cf::MAP{$key} = $map	1997	$cf::MAP{$path} = $map
1343	}	1998	}
1344	}	1999	}
		2000
		2001	sub pre_load { }
		2002	sub post_load { }
1345		2003
1346	sub load {	2004	sub load {
1347	my ($self) = @_;	2005	my ($self) = @_;
1348		2006
		2007	local $self->{deny_reset} = 1; # loading can take a long time
		2008
1349	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2012	my $guard = cf::lock_acquire "map_data:$path";
1351		2013
		2014	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2016
1354	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1355		2018
1356	$self->alloc;	2019	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2020
		2021	$self->pre_load;
		2022	cf::cede_to_tick;
		2023
		2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
		2026	$self->_load_objects ($f)
1358	or return;	2027	or return;
1359		2028
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	2030	if delete $self->{load_original};
1362		2031
1363	if (my $uniq = $path->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2033	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2036	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1368	}	2040	}
1369	}	2041	}
1370		2042
1371	Coro::cede;	2043	$f->resolve_delayed_derefs;
1372		2044
		2045	cf::cede_to_tick;
1373	# now do the right thing for maps	2046	# now do the right thing for maps
1374	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2049	unless $self->difficulty;
		2050	cf::cede_to_tick;
		2051
		2052	unless ($self->{deny_activate}) {
		2053	$self->decay_objects;
		2054	$self->fix_auto_apply;
		2055	$self->update_buttons;
		2056	cf::cede_to_tick;
		2057	$self->set_darkness_map;
		2058	cf::cede_to_tick;
1386	$self->activate;	2059	$self->activate;
1387	}	2060	}
1388		2061
1389	Coro::cede;	2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
1390		2064
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
		2066	}
		2067
		2068	$self->post_load;
		2069	}
		2070
		2071	sub customise_for {
		2072	my ($self, $ob) = @_;
		2073
		2074	return find "~" . $ob->name . "/" . $self->{path}
		2075	if $self->per_player;
		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
		2080	$self
1392	}	2081	}
1393		2082
1394	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2084	sub load_neighbours {
1396	my ($map) = @_;	2085	my ($map) = @_;
1397		2086
1398	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1399		2088
1400	for (0 .. 3) {	2089	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1402	or next;	2091	or next;
1403	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1404	or next;	2093	or next;
1405	$neigh->load;	2094	$neigh->load;
1406		2095
		2096	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2099	}
1410		2100
1411	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1413	or next;	2104	or next;
1414	$neigh->load;	2105	$neigh->load;
1415	}	2106	}
1416	}	2107	}
1417		2108
…		…
1422	}	2113	}
1423		2114
1424	sub do_load_sync {	2115	sub do_load_sync {
1425	my ($map) = @_;	2116	my ($map) = @_;
1426		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1427	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1428	}	2122	}
1429		2123
1430	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
		2125	our $MAP_PREFETCHER = undef;
		2126
		2127	sub find_async {
		2128	my ($path, $origin, $load) = @_;
		2129
		2130	$path = normalise $path, $origin && $origin->{path};
		2131
		2132	if (my $map = $cf::MAP{$path}) {
		2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2134	}
		2135
		2136	$MAP_PREFETCH{$path} |= $load;
		2137
1431	our $MAP_PREFETCHER = Coro::async {	2138	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2139	$Coro::current->{desc} = "map prefetcher";
		2140
1433	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2143	if (my $map = find $k) {
		2144	$map->load if $v;
		2145	}
		2146
1436	my $path = delete $MAP_PREFETCH{$key};	2147	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2148	}
1442	Coro::schedule;	2149	}
		2150	undef $MAP_PREFETCHER;
1443	}	2151	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2152	$MAP_PREFETCHER->prio (6);
1458		2153
1459	()	2154	()
1460	}	2155	}
1461		2156
1462	sub save {	2157	sub save {
1463	my ($self) = @_;	2158	my ($self) = @_;
1464		2159
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2161
1467	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1468		2163
1469	return unless $self->dirty;	2164	return unless $self->dirty;
1470		2165
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2166	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2167	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2168
1474	$self->{load_path} = $save;	2169	$self->{load_path} = $save;
1475		2170
1476	return if $self->{deny_save};	2171	return if $self->{deny_save};
1477		2172
1478	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1479		2174
1480	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1482	};	2178	};
1483		2179
1484	if ($uniq) {	2180	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2182	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2183	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2184	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2185	}
1490	}	2186	}
1491		2187
1492	sub swap_out {	2188	sub swap_out {
1493	my ($self) = @_;	2189	my ($self) = @_;
1494		2190
1495	# save first because save cedes	2191	# save first because save cedes
1496	$self->save;	2192	$self->save;
1497		2193
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2195
1500	return if $self->players;	2196	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};	2198	return if $self->{deny_save};
1503		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2204	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2205	}
1507		2206
1508	sub reset_at {	2207	sub reset_at {
1509	my ($self) = @_;	2208	my ($self) = @_;
1510		2209
1511	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1514		2212
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2215
…		…
1522	my ($self) = @_;	2220	my ($self) = @_;
1523		2221
1524	$self->reset_at <= $cf::RUNTIME	2222	$self->reset_at <= $cf::RUNTIME
1525	}	2223	}
1526		2224
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2225	sub reset {
1549	my ($self) = @_;	2226	my ($self) = @_;
1550		2227
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2229
1553	return if $self->players;	2230	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2231
1556	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
		2233
		2234	$self->in_memory (cf::MAP_SWAPPED);
		2235
		2236	# need to save uniques path
		2237	unless ($self->{deny_save}) {
		2238	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2239
		2240	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2241	if $uniq;
		2242	}
1557		2243
1558	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1559		2245
		2246	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2247	$_->clear_links_to ($self) for values %cf::MAP;
		2248	$self->clear;
1561		2249
1562	$self->unlink_save;	2250	$self->unlink_save;
1563	$self->destroy;	2251	$self->destroy;
1564	}	2252	}
1565		2253
1566	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1567		2255
1568	sub nuke {	2256	sub nuke {
1569	my ($self) = @_;	2257	my ($self) = @_;
1570		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
		2262	delete $cf::MAP{$self->path};
		2263
		2264	$self->unlink_save;
		2265
		2266	bless $self, "cf::map";
		2267	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2271
		2272	$cf::MAP{$self->path} = $self;
		2273	}
		2274
1574	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
1575	}	2276	}
1576		2277
1577	sub customise_for {	2278	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2279
1580	if ($map->per_player) {	2280	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
1582	}	2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
1583		2295
1584	$map	2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1585	}	2312	}
1586		2313
1587	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1588		2315
1589	Returns an arrayref of cf::path's of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2317	instantiated unique items. May block.
1591		2318
1592	=cut	2319	=cut
1593		2320
1594	sub unique_maps() {	2321	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1596	or return;	2323	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2324	utf8::decode $_;
1602	next if /\.pst$/;	2325	/\.map$/
1603	next unless /^$PATH_SEP/o;	2326	? normalise $_
1604		2327	: ()
1605	push @paths, new cf::path $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2329	]
1607
1608	\@paths
1609	}	2330	}
1610		2331
1611	package cf;	2332	package cf;
1612		2333
1613	=back	2334	=back
…		…
1631	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1632	}	2353	}
1633		2354
1634	sub inv_recursive {	2355	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
1636	}	2385	}
1637		2386
1638	package cf;	2387	package cf;
1639		2388
1640	=back	2389	=back
…		…
1659		2408
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2410
1662	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1664	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1667	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1668	}	2436	}
1669		2437
1670	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1671		2439
1672	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1685		2453
1686	=item $player_object->enter_link	2454	=item $player_object->enter_link
1687		2455
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2457
1690	The player should be reaosnably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2459	I<MUST> call C<leave_link> as soon as possible, though.
1692		2460
		2461	Will never block.
		2462
1693	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1694		2464
1695	Moves the player out of the specila link map onto the given map. If the	2465	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2466	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2467	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2468	fails, to the emergency map position.
1699		2469
1700	Might block.	2470	Might block.
1701		2471
1702	=cut	2472	=cut
		2473
		2474	sub link_map {
		2475	unless ($LINK_MAP) {
		2476	$LINK_MAP = cf::map::find "{link}"
		2477	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2478	$LINK_MAP->load;
		2479	}
		2480
		2481	$LINK_MAP
		2482	}
1703		2483
1704	sub cf::object::player::enter_link {	2484	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2485	my ($self) = @_;
1706		2486
1707	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1708		2488
1709	return if $self->map == $LINK_MAP;	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2490
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1713		2493
1714	$self->enter_map ($LINK_MAP, 20, 20);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2495	}
1716		2496
1717	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1719		2501
1720	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1721		2503
1722	unless ($map) {	2504	unless ($map) {
1723	# restore original map position	2505	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1740		2522
1741	$map->load;	2523	$map->load;
1742	$map->load_diag;	2524	$map->load_neighbours;
1743		2525
1744	return unless $self->contr->active;	2526	return unless $self->contr->active;
1745	$self->activate_recursive;	2527	$self->activate_recursive;
		2528
		2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1747	}	2531	}
1748		2532
1749	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2534
1753	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1757	};	2539	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2540
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1784		2544
1785	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2547
1788	$path = new cf::path $path;	2548	# do generation counting so two concurrent goto's will be executed in-order
		2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2550
1790	$self->enter_link;	2551	$self->enter_link;
1791		2552
1792	(async {	2553	(async {
1793	my $map = cf::map::find $path->as_string;	2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
		2575	my $map = eval {
		2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
1795		2580	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2581	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
1800		2584
		2585	$map
		2586	};
		2587
		2588	if ($@) {
		2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	LOG llevError | logBacktrace, Carp::longmess $@;
		2591	}
		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1802	})->prio (1);	2599	})->prio (1);
1803	}	2600	}
1804		2601
1805	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1806		2603
…		…
1808		2605
1809	sub parse_random_map_params {	2606	sub parse_random_map_params {
1810	my ($spec) = @_;	2607	my ($spec) = @_;
1811		2608
1812	my $rmp = { # defaults	2609	my $rmp = { # defaults
1813	xsize => 10,	2610	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2611	ysize => (cf::rndm 15, 40),
		2612	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2613	#layout => string,
1815	};	2614	};
1816		2615
1817	for (split /\n/, $spec) {	2616	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2617	my ($k, $v) = split /\s+/, $_, 2;
1819		2618
…		…
1823	$rmp	2622	$rmp
1824	}	2623	}
1825		2624
1826	sub prepare_random_map {	2625	sub prepare_random_map {
1827	my ($exit) = @_;	2626	my ($exit) = @_;
		2627
		2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2629
1829	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2632	# that depends on the exit object
1832		2633
1833	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
1834		2635
1835	if ($exit->map) {	2636	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2637	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1840	}	2641	}
1841		2642
1842	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1843		2644
1844	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
		2647	my $meta = "$RANDOMDIR/$md5.meta";
1846		2648
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
		2651	undef $fh;
		2652	aio_rename "$meta~", $meta;
1849		2653
1850	$exit->slaying ("?random/$md5");	2654	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2655	$exit->msg (undef);
1852	}	2656	}
1853	}	2657	}
…		…
1855	sub cf::object::player::enter_exit {	2659	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2660	my ($self, $exit) = @_;
1857		2661
1858	return unless $self->type == cf::PLAYER;	2662	return unless $self->type == cf::PLAYER;
1859		2663
		2664	if ($exit->slaying eq "/!") {
		2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2666	# the problem is that $exit might not survive long enough
		2667	# so it needs to be done right now, right here
		2668	cf::sync_job { prepare_random_map $exit };
		2669	}
		2670
		2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2672	my $hp = $exit->stats->hp;
		2673	my $sp = $exit->stats->sp;
		2674
1860	$self->enter_link;	2675	$self->enter_link;
1861		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
1862	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1863	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2685	unless (eval {
1865	prepare_random_map $exit	2686	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2687
1871	1;	2688	1;
1872	}) {	2689	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2690	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2691	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2692	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2693	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2694
1878	warn "ERROR in enter_exit: $@";	2695	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2696	$self->leave_link;
1880	}	2697	}
1881	})->prio (1);	2698	})->prio (1);
…		…
1894		2711
1895	sub cf::client::send_drawinfo {	2712	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2713	my ($self, $text, $flags) = @_;
1897		2714
1898	utf8::encode $text;	2715	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2717	}
1901		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
		2843	=item $client->ext_msg ($type, @msg)
		2844
		2845	Sends an ext event to the client.
		2846
		2847	=cut
		2848
		2849	sub cf::client::ext_msg($$@) {
		2850	my ($self, $type, @msg) = @_;
		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
		2855	push @msg, msgtype => "event_$type";
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
		2876	}
1902		2877
1903	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
1904		2879
1905	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2883
1909	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2885	become reliable at some point in the future.
1911		2886
1912	=cut	2887	=cut
1913		2888
1914	sub cf::client::query {	2889	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2898	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2900
1926	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
1928	}	2905	}
1929		2906
1930	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
1931	on_reply => sub {	2913	on_reply => sub {
1932	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
1933		2915
1934	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
1935	# get handled first	2917	# get handled first
1936	my $queue = delete $ns->{query_queue}	2918	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2919	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2920
1939	(shift @$queue)->[1]->($msg);	2921	(shift @$queue)->[1]->($msg);
		2922	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2923
1941	push @{ $ns->{query_queue} }, @$queue;	2924	push @{ $ns->{query_queue} }, @$queue;
1942		2925
1943	if (@{ $ns->{query_queue} } == @$queue) {	2926	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2927	if (@$queue) {
…		…
1946	} else {	2929	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2931	}
1949	}	2932	}
1950	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
1951	);	2960	);
1952		2961
1953	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
1954		2963
1955	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
1998		3007
1999	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2000		3009
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2002		3015
2003	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2004		3017
2005	=pod	3018	=pod
2006		3019
2007	The following fucntions and emthods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2008		3021
2009	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2010	cf::object::player player	3026	cf::object::player
2011	cf::player peaceful	3027	player
2012	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2013		3034
2014	=cut	3035	=cut
2015		3036
2016	for (	3037	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2018	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2021	) {	3044	) {
2022	no strict 'refs';	3045	no strict 'refs';
…		…
2093	=back	3116	=back
2094		3117
2095	=cut	3118	=cut
2096		3119
2097	#############################################################################	3120	#############################################################################
		3121	# the server's init and main functions
2098		3122
2099	=head2 EXTENSION DATABASE SUPPORT	3123	sub load_facedata($) {
		3124	my ($path) = @_;
2100		3125
2101	Crossfire maintains a very simple database for extension use. It can	3126	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3127	# for this (global event?)
2103	excludes objects.	3128	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3129
2105	The parameter C<$family> should best start with the name of the extension	3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3131
2108	=over 4	3132	warn "loading facedata from $path\n";
2109		3133
2110	=item $hashref = cf::db_get $family	3134	my $facedata;
		3135	0 < aio_load $path, $facedata
		3136	or die "$path: $!";
2111		3137
2112	Return a hashref for use by the extension C<$family>, which can be	3138	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3139
2116	=item $value = cf::db_get $family => $key	3140	$facedata->{version} == 2
		3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3142
2118	Returns a single value from the database	3143	# patch in the exptable
2119		3144	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3145	type => FT_RSRC,
2121		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3147	};
		3148	cf::cede_to_tick;
2171		3149
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3150	{
		3151	my $faces = $facedata->{faceinfo};
2176		3152
2177	sub db_get($;$) {	3153	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3155
2183	sub db_put($$;$) {	3156	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3157	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2186	} else {	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3160
2192	cf::global->attach (	3161	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3162	}
2197	);
2198	}
2199		3163
2200	#############################################################################	3164	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3165	next unless $info->{smooth};
2202		3166
2203	sub cfg_load {	3167	my $idx = cf::face::find $face
		3168	or next;
		3169
		3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
		3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3173	} else {
		3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3175	}
		3176
		3177	cf::cede_to_tick;
		3178	}
		3179	}
		3180
		3181	{
		3182	my $anims = $facedata->{animinfo};
		3183
		3184	while (my ($anim, $info) = each %$anims) {
		3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3186	cf::cede_to_tick;
		3187	}
		3188
		3189	cf::anim::invalidate_all; # d'oh
		3190	}
		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
		3227	1
		3228	}
		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
		3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
		3263	load_resource_file "$MAPDIR/regions"
		3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
		3270	}
		3271
		3272	sub reload_facedata {
		3273	load_facedata "$DATADIR/facedata"
		3274	or die "unable to load facedata\n";
		3275	}
		3276
		3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	}
		3286
		3287	sub reload_treasures {
		3288	load_resource_file "$DATADIR/treasures"
		3289	or die "unable to load treasurelists\n";
		3290	}
		3291
		3292	sub reload_resources {
		3293	warn "reloading resource files...\n";
		3294
		3295	reload_regions;
		3296	reload_facedata;
		3297	#reload_archetypes;#d#
		3298	reload_archetypes;
		3299	reload_treasures;
		3300
		3301	warn "finished reloading resource files\n";
		3302	}
		3303
		3304	sub init {
		3305	reload_resources;
		3306	}
		3307
		3308	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3310	or return;
2206		3311
2207	local $/;	3312	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
2209		3314
…		…
2223		3328
2224	sub main {	3329	sub main {
2225	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3333	(async {
		3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
		3336	})->prio (Coro::PRIO_MAX);
2229	};	3337	};
2230		3338
2231	cfg_load;	3339	reload_config;
2232	db_load;	3340	db_init;
2233	load_extensions;	3341	load_extensions;
		3342
		3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2234	Event::loop;	3345	EV::loop;
2235	}	3346	}
2236		3347
2237	#############################################################################	3348	#############################################################################
2238	# initialisation and cleanup	3349	# initialisation and cleanup
2239		3350
2240	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2241	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2248	},
2249	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2250	}	3396	1
2251	}	3397	}
2252		3398
2253	sub emergency_save() {	3399	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2255		3401
2256	warn "enter emergency perl save\n";	3402	warn "enter emergency perl save\n";
2257		3403
2258	cf::sync_job {	3404	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3405	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3406	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3413	$pl->save;
2267	}	3414	}
2268	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2269		3416
2270	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2272	my $map = $cf::MAP{$path} or next;	3419	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3420	$map->valid or next;
2274	$map->save;	3421	$map->save;
2275	}	3422	}
2276	warn "end emergency map save\n";	3423	warn "end emergency map save\n";
		3424
		3425	warn "begin emergency database checkpoint\n";
		3426	BDB::db_env_txn_checkpoint $DB_ENV;
		3427	warn "end emergency database checkpoint\n";
2277	};	3428	};
2278		3429
2279	warn "leave emergency perl save\n";	3430	warn "leave emergency perl save\n";
2280	}	3431	}
2281		3432
		3433	sub post_cleanup {
		3434	my ($make_core) = @_;
		3435
		3436	warn Carp::longmess "post_cleanup backtrace"
		3437	if $make_core;
		3438	}
		3439
2282	sub reload() {	3440	sub do_reload_perl() {
2283	# can/must only be called in main	3441	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3442	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3443	warn "can only reload from main coroutine";
2286	return;	3444	return;
2287	}	3445	}
2288		3446
2289	warn "reloading...";	3447	warn "reloading...";
2290		3448
2291	warn "freezing server";	3449	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3450
		3451	cf::sync_job {
		3452	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3453	cf::emergency_save;
		3454	cf::write_runtime; # external watchdog should not bark
2294		3455
2295	warn "sync database to disk";	3456	warn "syncing database to disk";
2296	cf::db_sync;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3458
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2301		3460
2302	warn "cancel all watchers";	3461	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3462	for (;;) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3463	BDB::flush;
		3464	IO::AIO::flush;
		3465	Coro::cede_notself;
		3466	last unless IO::AIO::nreqs || BDB::nreqs;
		3467	warn "iterate...";
2305	}	3468	}
2306		3469
		3470	++$RELOAD;
		3471
2307	warn "cancel all extension coros";	3472	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3473	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3474	%EXT_CORO = ();
2310		3475
2311	warn "remove commands";	3476	warn "removing commands";
2312	%COMMAND = ();	3477	%COMMAND = ();
2313		3478
2314	warn "remove ext commands";	3479	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2316		3482
2317	warn "unload/nuke all extensions";	3483	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2320		3486
2321	if (my $cb = $pkg->can ("unload")) {	3487	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3488	eval {
…		…
2327		3493
2328	warn "... nuking $pkg";	3494	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	3495	Symbol::delete_package $pkg;
2330	}	3496	}
2331		3497
2332	warn "unload all perl modules loaded from $LIBDIR";	3498	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3499	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3500	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3501
2336	warn "removing <$k>";	3502	warn "... unloading $k";
2337	delete $INC{$k};	3503	delete $INC{$k};
2338		3504
2339	$k =~ s/\.pm$//;	3505	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3506	$k =~ s/\//::/g;
2341		3507
…		…
2344	}	3510	}
2345		3511
2346	Symbol::delete_package $k;	3512	Symbol::delete_package $k;
2347	}	3513	}
2348		3514
2349	warn "get rid of safe::, as good as possible";	3515	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3516	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3518
2353	warn "unload cf.pm \"a bit\"";	3519	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3520	delete $INC{"cf.pm"};
		3521	delete $INC{"cf/pod.pm"};
2355		3522
2356	# don't, removes xs symbols, too,	3523	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3524	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3525	#Symbol::delete_package __PACKAGE__;
2359		3526
		3527	warn "unload completed, starting to reload now";
		3528
2360	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2361	require cf;	3530	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3532
2364	warn "load config and database again";	3533	warn "loading config and database again";
2365	cf::cfg_load;	3534	cf::reload_config;
2366	cf::db_load;
2367		3535
2368	warn "load extensions";	3536	warn "loading extensions";
2369	cf::load_extensions;	3537	cf::load_extensions;
2370		3538
2371	warn "reattach attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3540	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3541	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3542	reattach $_ for values %MAP;
2375	};	3543	warn "reattaching attachments to players";
		3544	reattach $_ for values %PLAYER;
2376		3545
2377	if ($@) {	3546	warn "leaving sync_job";
		3547
		3548	1
		3549	} or do {
2378	warn $@;	3550	warn $@;
2379	warn "error while reloading, exiting.";	3551	warn "error while reloading, exiting.";
2380	exit 1;	3552	exit 1;
2381	}	3553	};
2382		3554
2383	warn "reloaded";	3555	warn "reloaded";
2384	};	3556	};
2385		3557
2386	#############################################################################	3558	our $RELOAD_WATCHER; # used only during reload
2387		3559
2388	unless ($LINK_MAP) {	3560	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3561	# doing reload synchronously and two reloads happen back-to-back,
		3562	# coro crashes during coro_state_free->destroy here.
2390		3563
2391	$LINK_MAP->width (41);	3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2392	$LINK_MAP->height (41);	3565	undef $RELOAD_WATCHER;
2393	$LINK_MAP->alloc;	3566	do_reload_perl;
2394	$LINK_MAP->path ("{link}");	3567	};
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,
2401	cb => sub {
2402	$_[0]->w->cancel;
2403
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});
2422
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3568	}
2428		3569
2429	register_command "reload" => sub {	3570	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2431		3572
2432	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3574	$who->message ("reloading server.");
		3575	async {
		3576	$Coro::current->{desc} = "perl_reload";
		3577	reload_perl;
		3578	};
2436	}	3579	}
2437	};	3580	};
2438		3581
2439	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2440		3583
2441	$TICK_WATCHER = Event->timer (	3584	my $bug_warning = 0;
2442	reentrant => 0,	3585
2443	prio => 0,	3586	our @WAIT_FOR_TICK;
2444	at => $NEXT_TICK || $TICK,	3587	our @WAIT_FOR_TICK_BEGIN;
2445	data => WF_AUTOCANCEL,	3588
2446	cb => sub {	3589	sub wait_for_tick {
		3590	return unless $TICK_WATCHER->is_active;
		3591	return if $Coro::current == $Coro::main;
		3592
		3593	my $signal = new Coro::Signal;
		3594	push @WAIT_FOR_TICK, $signal;
		3595	$signal->wait;
		3596	}
		3597
		3598	sub wait_for_tick_begin {
		3599	return unless $TICK_WATCHER->is_active;
		3600	return if $Coro::current == $Coro::main;
		3601
		3602	my $signal = new Coro::Signal;
		3603	push @WAIT_FOR_TICK_BEGIN, $signal;
		3604	$signal->wait;
		3605	}
		3606
		3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3608	if ($Coro::current != $Coro::main) {
		3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3610	unless ++$bug_warning > 10;
		3611	return;
		3612	}
		3613
		3614	$NOW = $tick_start = EV::now;
		3615
2447	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
		3617
2448	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2450		3620
2451	$WAIT_FOR_TICK->broadcast;	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2453		3623	Coro::async_pool {
2454	# if we are delayed by four ticks or more, skip them all	3624	$Coro::current->{desc} = "runtime saver";
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2456
2457	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;
2459	},
2460	);
2461
2462	IO::AIO::max_poll_time $TICK * 0.2;
2463
2464	Event->io (
2465	fd => IO::AIO::poll_fileno,
2466	poll => 'r',
2467	prio => 5,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,
2474	after => 0,
2475	interval => 10,
2476	cb => sub {
2477	(Coro::unblock_sub {
2478	write_runtime	3625	write_runtime
2479	or warn "ERROR: unable to write runtime file: $!";	3626	or warn "ERROR: unable to write runtime file: $!";
2480	})->();	3627	};
2481	},	3628	}
2482	);	3629
		3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3631	$sig->send;
		3632	}
		3633	while (my $sig = shift @WAIT_FOR_TICK) {
		3634	$sig->send;
		3635	}
		3636
		3637	$LOAD = ($NOW - $tick_start) / $TICK;
		3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3639
		3640	_post_tick;
		3641	};
		3642	$TICK_WATCHER->priority (EV::MAXPRI);
		3643
		3644	{
		3645	# configure BDB
		3646
		3647	BDB::min_parallel 8;
		3648	BDB::max_poll_reqs $TICK * 0.1;
		3649	$Coro::BDB::WATCHER->priority (1);
		3650
		3651	unless ($DB_ENV) {
		3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3657
		3658	cf::sync_job {
		3659	eval {
		3660	BDB::db_env_open
		3661	$DB_ENV,
		3662	$BDBDIR,
		3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3665	0666;
		3666
		3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3668	};
		3669
		3670	cf::cleanup "db_env_open(db): $@" if $@;
		3671	};
		3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
		3683	}
		3684
		3685	{
		3686	# configure IO::AIO
		3687
		3688	IO::AIO::min_parallel 8;
		3689	IO::AIO::max_poll_time $TICK * 0.1;
		3690	$Coro::AIO::WATCHER->priority (1);
		3691	}
		3692
		3693	my $_log_backtrace;
		3694
		3695	sub _log_backtrace {
		3696	my ($msg, @addr) = @_;
		3697
		3698	$msg =~ s/\n//;
		3699
		3700	# limit the # of concurrent backtraces
		3701	if ($_log_backtrace < 2) {
		3702	++$_log_backtrace;
		3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
		3706	my @bt = fork_call {
		3707	@addr = map { sprintf "%x", $_ } @addr;
		3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3710	or die "addr2line: $!";
		3711
		3712	my @funcs;
		3713	my @res = <$fh>;
		3714	chomp for @res;
		3715	while (@res) {
		3716	my ($func, $line) = splice @res, 0, 2, ();
		3717	push @funcs, "[$func] $line";
		3718	}
		3719
		3720	@funcs
		3721	};
		3722
		3723	LOG llevInfo, "[ABT] $msg\n";
		3724	LOG llevInfo, "[ABT] $_\n" for @bt;
		3725	--$_log_backtrace;
		3726	};
		3727	} else {
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] [suppressed]\n";
		3730	}
		3731	}
		3732
		3733	# load additional modules
		3734	use cf::pod;
2483		3735
2484	END { cf::emergency_save }	3736	END { cf::emergency_save }
2485		3737
2486	1	3738	1
2487		3739

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