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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.368 by root, Wed Sep 12 11:18:25 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
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::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
51		88
52	our %CFG;	89	our %CFG;
53		90
54	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	92	our $RUNTIME;
56		93
57	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	96	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		97
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	98	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
64		104
65	binmode STDOUT;	105	binmode STDOUT;
66	binmode STDERR;	106	binmode STDERR;
67		107
68	# read virtual server time, if available	108	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
73	}	113	}
74		114
75	mkdir cf::localdir;	115	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		117
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
		119
		120	sub cf::map::normalise;
84		121
85	#############################################################################	122	#############################################################################
86		123
87	=head2 GLOBAL VARIABLES	124	=head2 GLOBAL VARIABLES
88		125
…		…
95	=item $cf::RUNTIME	132	=item $cf::RUNTIME
96		133
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	135	every server tick.
99		136
100	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		140
102	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
104		145
105	=item $cf::NOW	146	=item $cf::NOW
106		147
107	The time of the last (current) server tick.	148	The time of the last (current) server tick.
108		149
109	=item $cf::TICK	150	=item $cf::TICK
110		151
111	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
112		163
113	=item %cf::CFG	164	=item %cf::CFG
114		165
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	167	from wherever your confdir points to.
117		168
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		170
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
124		180
125	=back	181	=back
126		182
127	=cut	183	=cut
128		184
129	BEGIN {	185	BEGIN {
130	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	187	my $msg = join "", @_;
132	utf8::encode $msg;
133		188
134	$msg .= "\n"	189	$msg .= "\n"
135	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
136		193
137	LOG llevError, $msg;	194	LOG llevError, $msg;
138	};	195	};
139	}	196	}
140		197
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		205
148	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	207	# within the Safe compartment.
150	for my $pkg (qw(	208	for my $pkg (qw(
151	cf::global cf::attachable	209	cf::global cf::attachable
…		…
159	}	217	}
160		218
161	$Event::DIED = sub {	219	$Event::DIED = sub {
162	warn "error in event callback: @_";	220	warn "error in event callback: @_";
163	};	221	};
		222
		223	#############################################################################
164		224
165	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
166		226
167	=over 4	227	=over 4
168		228
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	248	$d
189	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
190	}	250	}
191		251
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
195		253
196	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
197		255
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
206		257
207	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
208		259
209	=cut	260	=cut
210		261
211	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
213	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
215		266
216	=item cf::lock_wait $string	267	=item cf::lock_wait $string
217		268
218	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
219		270
…		…
222	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
225	returned.	276	returned.
226		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
227	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
229		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
230	=cut	288	=cut
231		289
232	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
233		292
234	sub lock_wait($) {	293	sub lock_wait($) {
235	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
236		300
237	# wait for lock, if any	301	# wait for lock, if any
238	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;	304	Coro::schedule;
…		…
246		310
247	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
248	lock_wait $key;	312	lock_wait $key;
249		313
250	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
251		316
252	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
253	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
255	}	321	}
256	}	322	}
257		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
258	sub freeze_mainloop {	330	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
260		332
261	my $guard = Coro::guard { $TICK_WATCHER->start };	333	my $guard = Coro::guard {
		334	$TICK_WATCHER->start;
		335	};
262	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
263	$guard	337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
264	}	394	}
265		395
266	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
267		397
268	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		403
274	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
275		405
276	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
277		407
278	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
281		412
282	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
285	fast or be very important.	416	fast or be very important.
…		…
288		419
289	sub sync_job(&) {	420	sub sync_job(&) {
290	my ($job) = @_;	421	my ($job) = @_;
291		422
292	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
293	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
295		428
296	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
308		441
309	while ($busy) {	442	while ($busy) {
310	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
311	}	444	}
312		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
313	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
314	} else {	454	} else {
315	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
316		456
317	$job->()	457	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
337		477
338	$coro	478	$coro
339	}	479	}
340		480
341	sub write_runtime {	481	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		482
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
345	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
346		487
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	488	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		489
351	aio_fsync $fh	490	sub fork_call(&@) {
352	and return;	491	my ($cb, @args) = @_;
353		492
354	close $fh	493	# we seemingly have to make a local copy of the whole thing,
355	or return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
356		496
357	aio_rename "$runtime~", $runtime	497	my @res = Coro::Util::fork_eval {
358	and return;	498	reset_signals;
		499	&$cb
		500	}, @args;
359		501
		502	wantarray ? @res : $res[-1]
		503	}
		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
360	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	641	}
362		642
363	=back	643	=back
364		644
365	=cut	645	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		646
522	#############################################################################	647	#############################################################################
523		648
524	=head2 ATTACHABLE OBJECTS	649	=head2 ATTACHABLE OBJECTS
525		650
…		…
527	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
528	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
529		654
530	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
531	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
532	crossfire+).	657	Crossfire TRT).
533		658
534	=over 4	659	=over 4
535		660
536	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
537		662
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	776	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	777	our @CB_MAP = ();
653		778
654	my %attachment;	779	my %attachment;
655		780
		781	sub cf::attachable::thawer_merge {
		782	# simply override everything except _meta
		783	local $_[0]{_meta};
		784	%{$_[0]} = %{$_[1]};
		785	}
		786
656	sub _attach_cb($$$$) {	787	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	788	my ($registry, $event, $prio, $cb) = @_;
658		789
659	use sort 'stable';	790	use sort 'stable';
660		791
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
695		826
696	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		831
701	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	833	my $pkg = shift @arg;
703		834
704	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
734	}	865	}
735		866
736	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
737	} else {	868	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	870	}
740		871
741	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
742	}	873	}
743		874
…		…
745	if (ref $_[0]) {	876	if (ref $_[0]) {
746	_object_attach @_;	877	_object_attach @_;
747	} else {	878	} else {
748	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
749	}	880	}
		881	_recalc_want;
750	};	882	};
751		883
752	# all those should be optimised	884	# all those should be optimised
753	sub cf::attachable::detach {	885	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
758	reattach ($obj);	890	reattach ($obj);
759	} else {	891	} else {
760	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
761	}	893	}
		894	_recalc_want;
762	};	895	};
763		896
764	sub cf::attachable::attached {	897	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
766		899
…		…
781	";	914	";
782	die if $@;	915	die if $@;
783	}	916	}
784		917
785	our $override;	918	our $override;
786	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
787		920
788	sub override {	921	sub override {
789	$override = 1;	922	$override = 1;
790	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
791	}	924	}
792		925
793	sub do_invoke {	926	sub do_invoke {
794	my $event = shift;	927	my $event = shift;
795	my $callbacks = shift;	928	my $callbacks = shift;
796		929
797	@invoke_results = ();	930	@INVOKE_RESULTS = ();
798		931
799	local $override;	932	local $override;
800		933
801	for (@$callbacks) {	934	for (@$callbacks) {
802	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
819		952
820	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
821		954
822	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
823	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
824	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		958
826	=back	959	=back
827		960
828	=cut	961	=cut
829		962
830	#############################################################################	963	#############################################################################
831	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
832		976
833	sub reattach {	977	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	979	my ($obj) = @_;
		980
		981	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		982
837	my $registry = $obj->registry;	983	my $registry = $obj->registry;
838		984
839	@$registry = ();	985	@$registry = ();
840		986
…		…
879	);	1025	);
880		1026
881	sub object_freezer_save {	1027	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
883		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
884	sync_job {	1032	sync_job {
885	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
886	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
888		1037
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1042	close $fh;
894		1043
895	if (@$objs) {	1044	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1050	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
903	}	1052	}
904	} else {	1053	} else {
905	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
911	}	1060	}
912	} else {	1061	} else {
913	aio_unlink $filename;	1062	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
915	}	1064	}
916	}	1065	};
		1066
		1067	undef $guard;
917	}	1068	}
918		1069
919	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
921		1072
…		…
926		1077
927	sub object_thawer_load {	1078	sub object_thawer_load {
928	my ($filename) = @_;	1079	my ($filename) = @_;
929		1080
930	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
931		1084
932	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
933	or return;	1086	or return;
934		1087
935	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
937	or return;	1090	or return;
		1091
		1092	undef $guard;
938	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1094	}
940		1095
		1096	utf8::decode (my $decname = $filename);
941	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
943	return ($data, $av);	1100	($data, $av)
944	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
945		1108
946	#############################################################################	1109	#############################################################################
947	# command handling &c	1110	# command handling &c
948		1111
949	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1126	}
964		1127
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1129
967	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
968		1135
969	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
970	called.	1137	called.
971		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
972	=cut	1150	=cut
973		1151
974	sub register_extcmd {	1152	sub register_extcmd {
975	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
976		1154
977	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
978	}	1162	}
979		1163
980	cf::player->attach (	1164	cf::player->attach (
981	on_command => sub {	1165	on_command => sub {
982	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1175	cf::override;
992	},	1176	},
993	on_extcmd => sub {	1177	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
995		1179
996	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1181
998	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
1004	} else {	1197	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1199	}
1007		1200
1008	cf::override;	1201	cf::override;
1009	},	1202	},
1010	);	1203	);
1011		1204
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
1040	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1210	next unless -r $path;
1042	eval {	1211
1043	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
1044	1	1269	}
1045	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
1046	}	1275	};
1047	}	1276	}
1048		1277
1049	#############################################################################	1278	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1279
1052	*cf::mapsupport::on_clean = sub {	1280	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1281
1065	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
1066		1283
1067	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
1068		1285
…		…
1074		1291
1075	=head3 cf::player	1292	=head3 cf::player
1076		1293
1077	=over 4	1294	=over 4
1078		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
1079	=item cf::player::find $login	1310	=item cf::player::find $login
1080		1311
1081	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
1082		1313
1083	=cut	1314	=cut
1084		1315
1085	sub playerdir($) {	1316	sub playerdir($) {
1086	cf::localdir	1317	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1319	}
1092		1320
1093	sub path($) {	1321	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1323
1096	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
1097	}	1325	}
1098		1326
1099	sub find_active($) {	1327	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
1104		1332
1105	sub exists($) {	1333	sub exists($) {
1106	my ($login) = @_;	1334	my ($login) = @_;
1107		1335
1108	$cf::PLAYER{$login}	1336	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1337	or cf::sync_job { !aio_stat path $login }
1110	}	1338	}
1111		1339
1112	sub find($) {	1340	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1341	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1342	my $login = $_[0];
1115		1343
1116	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
1117		1345
1118	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
1119	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
1120	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1121	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1122	}	1363	}
1123	}	1364	}
1124	}	1365	}
1125		1366
…		…
1135		1376
1136	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1138		1379
1139	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1140	Coro::cede;	1381	cf::cede_to_tick;
1141	}	1382	}
1142		1383
1143	sub new($) {	1384	sub new($) {
1144	my ($login) = @_;	1385	my ($login) = @_;
1145		1386
…		…
1151	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1152		1393
1153	$self	1394	$self
1154	}	1395	}
1155		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1156	=item $pl->quit_character	1407	=item $pl->quit_character
1157		1408
1158	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1160		1411
1161	=cut	1412	=cut
1162		1413
1163	sub quit_character {	1414	sub quit_character {
1164	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1165		1418
1166	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1168		1421
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1179	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1180	}	1453	}
1181		1454
1182	=item cf::player::list_logins	1455	=item cf::player::list_logins
1183		1456
1184	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1186		1459
1187	=cut	1460	=cut
1188		1461
1189	sub list_logins {	1462	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1464	or return [];
1192		1465
1193	my @logins;	1466	my @logins;
1194		1467
1195	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1199		1477
1200	utf8::decode $login;	1478	utf8::decode $login;
1201	push @logins, $login;	1479	push @logins, $login;
1202	}	1480	}
1203		1481
1204	\@logins	1482	\@logins
1205	}	1483	}
1206		1484
1207	=item $player->maps	1485	=item $player->maps
1208		1486
1209	Returns an arrayref of cf::path's of all maps that are private for this	1487	Returns an arrayref of map paths that are private for this
1210	player. May block.	1488	player. May block.
1211		1489
1212	=cut	1490	=cut
1213		1491
1214	sub maps($) {	1492	sub maps($) {
1215	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1496
1217	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1218	or return;	1498	or return;
1219		1499
1220	my @paths;	1500	my @paths;
…		…
1222	for (@$files) {	1502	for (@$files) {
1223	utf8::decode $_;	1503	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1226		1506
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1507	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1508	}
1229		1509
1230	\@paths	1510	\@paths
1231	}	1511	}
1232		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1234		1565
1235	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1236		1567
1237	=cut	1568	=cut
1238		1569
1239	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1241		1572
1242	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1574	}
1246		1575
1247	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1248		1616
1249	=back	1617	=back
1250
1251		1618
1252	=head3 cf::map	1619	=head3 cf::map
1253		1620
1254	=over 4	1621	=over 4
1255		1622
…		…
1258	package cf::map;	1625	package cf::map;
1259		1626
1260	use Fcntl;	1627	use Fcntl;
1261	use Coro::AIO;	1628	use Coro::AIO;
1262		1629
		1630	use overload
		1631	'""' => \&as_string,
		1632	fallback => 1;
		1633
1263	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1265		1636
1266	sub generate_random_map {	1637	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1640	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1644	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1645	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
		1652	)
		1653	}
		1654
		1655	=item cf::map->register ($regex, $prio)
		1656
		1657	Register a handler for the map path matching the given regex at the
		1658	givne priority (higher is better, built-in handlers have priority 0, the
		1659	default).
		1660
		1661	=cut
		1662
		1663	sub register {
		1664	my (undef, $regex, $prio) = @_;
		1665	my $pkg = caller;
		1666
		1667	no strict;
		1668	push @{"$pkg\::ISA"}, __PACKAGE__;
		1669
		1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1671	}
		1672
		1673	# also paths starting with '/'
		1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1675
		1676	sub thawer_merge {
		1677	my ($self, $merge) = @_;
		1678
		1679	# we have to keep some variables in memory intact
		1680	local $self->{path};
		1681	local $self->{load_path};
		1682
		1683	$self->SUPER::thawer_merge ($merge);
		1684	}
		1685
		1686	sub normalise {
		1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
		1692
		1693	# map plan:
		1694	#
		1695	# /! non-realised random map exit (special hack!)
		1696	# {... are special paths that are not being touched
		1697	# ?xxx/... are special absolute paths
		1698	# ?random/... random maps
		1699	# /... normal maps
		1700	# ~user/... per-player map of a specific user
		1701
		1702	$path =~ s/$PATH_SEP/\//go;
		1703
		1704	# treat it as relative path if it starts with
		1705	# something that looks reasonable
		1706	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1707	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1708
		1709	$base =~ s{[^/]+/?$}{};
		1710	$path = "$base/$path";
		1711	}
		1712
		1713	for ($path) {
		1714	redo if s{//}{/};
		1715	redo if s{/\.?/}{/};
		1716	redo if s{/[^/]+/\.\./}{/};
		1717	}
		1718
		1719	$path
		1720	}
		1721
		1722	sub new_from_path {
		1723	my (undef, $path, $base) = @_;
		1724
		1725	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1726
		1727	$path = normalise $path, $base;
		1728
		1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1731	my $self = bless cf::map::new, $pkg;
		1732	$self->{path} = $path; $self->path ($path);
		1733	$self->init; # pass $1 etc.
		1734	return $self;
		1735	}
		1736	}
		1737
		1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1739	()
		1740	}
		1741
		1742	sub init {
		1743	my ($self) = @_;
		1744
		1745	$self
		1746	}
		1747
		1748	sub as_string {
		1749	my ($self) = @_;
		1750
		1751	"$self->{path}"
		1752	}
		1753
		1754	# the displayed name, this is a one way mapping
		1755	sub visible_name {
		1756	&as_string
		1757	}
		1758
		1759	# the original (read-only) location
		1760	sub load_path {
		1761	my ($self) = @_;
		1762
		1763	"$MAPDIR/$self->{path}.map"
		1764	}
		1765
		1766	# the temporary/swap location
		1767	sub save_path {
		1768	my ($self) = @_;
		1769
		1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1771	"$TMPDIR/$path.map"
		1772	}
		1773
		1774	# the unique path, undef == no special unique path
		1775	sub uniq_path {
		1776	my ($self) = @_;
		1777
		1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1779	"$UNIQUEDIR/$path"
1283	}	1780	}
1284		1781
1285	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1286	# all maps in C++...	1783	# all maps in C++...
1287	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1289		1786
1290	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1292	}	1789	}
1293		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
		1799	sub unlink_save {
		1800	my ($self) = @_;
		1801
		1802	utf8::encode (my $save = $self->save_path);
		1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1805	}
		1806
1294	sub load_map_header($) {	1807	sub load_header_from($) {
1295	my ($path) = @_;	1808	my ($self, $path) = @_;
1296		1809
1297	utf8::encode $path;	1810	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1299	or return;	1812	or return;
1300		1813
1301	my $map = cf::map::new	1814	$self->_load_header ($f)
1302	or return;	1815	or return;
1303		1816
1304	# for better error messages only, will be overwritten later	1817	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	1818	$f->resolve_delayed_derefs;
1306		1819
1307	$map->load_header ($path)	1820	$self->{load_path} = $path;
		1821
		1822	1
		1823	}
		1824
		1825	sub load_header_orig {
		1826	my ($self) = @_;
		1827
		1828	$self->load_header_from ($self->load_path)
		1829	}
		1830
		1831	sub load_header_temp {
		1832	my ($self) = @_;
		1833
		1834	$self->load_header_from ($self->save_path)
		1835	}
		1836
		1837	sub prepare_temp {
		1838	my ($self) = @_;
		1839
		1840	$self->last_access ((delete $self->{last_access})
		1841	|| $cf::RUNTIME); #d#
		1842	# safety
		1843	$self->{instantiate_time} = $cf::RUNTIME
		1844	if $self->{instantiate_time} > $cf::RUNTIME;
		1845	}
		1846
		1847	sub prepare_orig {
		1848	my ($self) = @_;
		1849
		1850	$self->{load_original} = 1;
		1851	$self->{instantiate_time} = $cf::RUNTIME;
		1852	$self->last_access ($cf::RUNTIME);
		1853	$self->instantiate;
		1854	}
		1855
		1856	sub load_header {
		1857	my ($self) = @_;
		1858
		1859	if ($self->load_header_temp) {
		1860	$self->prepare_temp;
		1861	} else {
		1862	$self->load_header_orig
1308	or return;	1863	or return;
		1864	$self->prepare_orig;
		1865	}
1309		1866
1310	$map->{load_path} = $path;	1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
1311		1869
1312	$map	1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
		1873	1
1313	}	1874	}
1314		1875
1315	sub find;	1876	sub find;
1316	sub find {	1877	sub find {
1317	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1318		1879
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1324	cf::lock_wait "map_find:$key";	1883	cf::lock_wait "map_find:$path";
1325		1884
1326	$cf::MAP{$key} || do {	1885	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328		1888
1329	# do it the slow way	1889	my $map = new_from_path cf::map $path
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1890	or return;
1343		1891
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1356		1893
1357	Coro::cede;	1894	$map->load_header
		1895	or return;
1358		1896
1359	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
		1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1360	$map->reset;	1902	$map->reset;
1361	undef $guard;
1362	$map = find $path	1903	return find $path;
1363	or return;
1364	}	1904	}
1365		1905
1366	$cf::MAP{$key} = $map	1906	$cf::MAP{$path} = $map
1367	}	1907	}
1368	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1369		1912
1370	sub load {	1913	sub load {
1371	my ($self) = @_;	1914	my ($self) = @_;
1372		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1373	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1921	my $guard = cf::lock_acquire "map_data:$path";
1375		1922
		1923	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1377		1925
1378	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1379		1927
1380	$self->alloc;	1928	$self->alloc;
1381	$self->load_objects ($self->{load_path}, 1)	1929
		1930	$self->pre_load;
		1931	cf::cede_to_tick;
		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1382	or return;	1936	or return;
1383		1937
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1939	if delete $self->{load_original};
1386		1940
1387	if (my $uniq = $path->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1942	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	1945	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1392	}	1949	}
1393	}	1950	}
1394		1951
1395	Coro::cede;	1952	$f->resolve_delayed_derefs;
1396		1953
		1954	cf::cede_to_tick;
1397	# now do the right thing for maps	1955	# now do the right thing for maps
1398	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1958	unless $self->difficulty;
		1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1410	$self->activate;	1968	$self->activate;
1411	}	1969	}
1412		1970
1413	Coro::cede;	1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1414		1973
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
		1978	}
		1979
		1980	sub customise_for {
		1981	my ($self, $ob) = @_;
		1982
		1983	return find "~" . $ob->name . "/" . $self->{path}
		1984	if $self->per_player;
		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
		1989	$self
1416	}	1990	}
1417		1991
1418	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1993	sub load_neighbours {
1420	my ($map) = @_;	1994	my ($map) = @_;
1421		1995
1422	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1423		1997
1424	for (0 .. 3) {	1998	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1426	or next;	2000	or next;
1427	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1428	or next;	2002	or next;
1429	$neigh->load;	2003	$neigh->load;
1430		2004
		2005	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	2008	}
1434		2009
1435	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1437	or next;	2013	or next;
1438	$neigh->load;	2014	$neigh->load;
1439	}	2015	}
1440	}	2016	}
1441		2017
…		…
1446	}	2022	}
1447		2023
1448	sub do_load_sync {	2024	sub do_load_sync {
1449	my ($map) = @_;	2025	my ($map) = @_;
1450		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1451	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1452	}	2031	}
1453		2032
1454	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
		2034	our $MAP_PREFETCHER = undef;
		2035
		2036	sub find_async {
		2037	my ($path, $origin, $load) = @_;
		2038
		2039	$path = normalise $path, $origin && $origin->{path};
		2040
		2041	if (my $map = $cf::MAP{$path}) {
		2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2043	}
		2044
		2045	$MAP_PREFETCH{$path} |= $load;
		2046
1455	our $MAP_PREFETCHER = Coro::async {	2047	$MAP_PREFETCHER ||= cf::async {
1456	while () {
1457	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
1460	my $path = delete $MAP_PREFETCH{$key};	2054	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2055	}
1466	Coro::schedule;	2056	}
		2057	undef $MAP_PREFETCHER;
1467	}	2058	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2059	$MAP_PREFETCHER->prio (6);
1482		2060
1483	()	2061	()
1484	}	2062	}
1485		2063
1486	sub save {	2064	sub save {
1487	my ($self) = @_;	2065	my ($self) = @_;
1488		2066
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2068
1491	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1492		2070
1493	return unless $self->dirty;	2071	return unless $self->dirty;
1494		2072
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2073	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2074	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2075
1498	$self->{load_path} = $save;	2076	$self->{load_path} = $save;
1499		2077
1500	return if $self->{deny_save};	2078	return if $self->{deny_save};
1501		2079
…		…
1504	cf::async {	2082	cf::async {
1505	$_->contr->save for $self->players;	2083	$_->contr->save for $self->players;
1506	};	2084	};
1507		2085
1508	if ($uniq) {	2086	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2089	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2091	}
1514	}	2092	}
1515		2093
1516	sub swap_out {	2094	sub swap_out {
1517	my ($self) = @_;	2095	my ($self) = @_;
1518		2096
1519	# save first because save cedes	2097	# save first because save cedes
1520	$self->save;	2098	$self->save;
1521		2099
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2101
1524	return if $self->players;	2102	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};	2104	return if $self->{deny_save};
1527		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2110	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2111	}
1531		2112
1532	sub reset_at {	2113	sub reset_at {
1533	my ($self) = @_;	2114	my ($self) = @_;
1534		2115
1535	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1538		2118
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2121
…		…
1546	my ($self) = @_;	2126	my ($self) = @_;
1547		2127
1548	$self->reset_at <= $cf::RUNTIME	2128	$self->reset_at <= $cf::RUNTIME
1549	}	2129	}
1550		2130
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2131	sub reset {
1573	my ($self) = @_;	2132	my ($self) = @_;
1574		2133
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2135
1577	return if $self->players;	2136	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2137
1580	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1581		2149
1582	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1583		2151
		2152	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2153	$_->clear_links_to ($self) for values %cf::MAP;
		2154	$self->clear;
1585		2155
1586	$self->unlink_save;	2156	$self->unlink_save;
1587	$self->destroy;	2157	$self->destroy;
1588	}	2158	}
1589		2159
1590	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1591		2161
1592	sub nuke {	2162	sub nuke {
1593	my ($self) = @_;	2163	my ($self) = @_;
1594		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
		2168	delete $cf::MAP{$self->path};
		2169
		2170	$self->unlink_save;
		2171
		2172	bless $self, "cf::map";
		2173	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2177
		2178	$cf::MAP{$self->path} = $self;
		2179	}
		2180
1598	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
1599	}	2182	}
1600		2183
1601	sub customise_for {	2184	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2185
1604	if ($map->per_player) {	2186	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
1606	}	2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
1607		2201
1608	$map	2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1609	}	2218	}
1610		2219
1611	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1612		2221
1613	Returns an arrayref of cf::path's of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2223	instantiated unique items. May block.
1615		2224
1616	=cut	2225	=cut
1617		2226
1618	sub unique_maps() {	2227	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1620	or return;	2229	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2230	utf8::decode $_;
1626	next if /\.pst$/;	2231	/\.map$/
1627	next unless /^$PATH_SEP/o;	2232	? normalise $_
1628		2233	: ()
1629	push @paths, new cf::path $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2235	]
1631
1632	\@paths
1633	}	2236	}
1634		2237
1635	package cf;	2238	package cf;
1636		2239
1637	=back	2240	=back
…		…
1655	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1656	}	2259	}
1657		2260
1658	sub inv_recursive {	2261	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1660	}	2294	}
1661		2295
1662	package cf;	2296	package cf;
1663		2297
1664	=back	2298	=back
…		…
1683		2317
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2319
1686	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1688	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1691	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1692	}	2345	}
1693		2346
1694	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1695		2348
1696	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1709		2362
1710	=item $player_object->enter_link	2363	=item $player_object->enter_link
1711		2364
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2365	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2366
1714	The player should be reaosnably safe there for short amounts of time. You	2367	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	2368	I<MUST> call C<leave_link> as soon as possible, though.
1716		2369
		2370	Will never block.
		2371
1717	=item $player_object->leave_link ($map, $x, $y)	2372	=item $player_object->leave_link ($map, $x, $y)
1718		2373
1719	Moves the player out of the specila link map onto the given map. If the	2374	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2375	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2376	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2377	fails, to the emergency map position.
1723		2378
1724	Might block.	2379	Might block.
1725		2380
1726	=cut	2381	=cut
		2382
		2383	sub link_map {
		2384	unless ($LINK_MAP) {
		2385	$LINK_MAP = cf::map::find "{link}"
		2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2387	$LINK_MAP->load;
		2388	}
		2389
		2390	$LINK_MAP
		2391	}
1727		2392
1728	sub cf::object::player::enter_link {	2393	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2394	my ($self) = @_;
1730		2395
1731	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1732		2397
1733	return if $self->map == $LINK_MAP;	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2399
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1737		2402
1738	$self->enter_map ($LINK_MAP, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2404	}
1740		2405
1741	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1743		2410
1744	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1745		2412
1746	unless ($map) {	2413	unless ($map) {
1747	# restore original map position	2414	# restore original map position
…		…
1761	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1764		2431
1765	$map->load;	2432	$map->load;
1766	$map->load_diag;	2433	$map->load_neighbours;
1767		2434
1768	return unless $self->contr->active;	2435	return unless $self->contr->active;
1769	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1771	}	2440	}
1772		2441
1773	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2443
1777	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1781	};	2448	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2449
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1808		2453
1809	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2456
1812	$path = new cf::path $path;	2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2459
1814	$self->enter_link;	2460	$self->enter_link;
1815		2461
1816	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	}
		2472	# else put him there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	}
		2476	}
		2477
		2478	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2479	my $map = cf::map::find $path;
		2480
		2481	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2482	$map = $map->customise_for ($self);
1819		2483	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2484	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2485	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	}
1824		2487
		2488	$map
		2489	};
		2490
		2491	if ($@) {
		2492	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2493	LOG llevError | logBacktrace, Carp::longmess $@;
		2494	}
		2495
		2496	if ($gen == $self->{_goto_generation}) {
		2497	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2498	$self->leave_link ($map, $x, $y);
		2499	}
		2500
		2501	$done->() if $done;
1826	})->prio (1);	2502	})->prio (1);
1827	}	2503	}
1828		2504
1829	=item $player_object->enter_exit ($exit_object)	2505	=item $player_object->enter_exit ($exit_object)
1830		2506
…		…
1832		2508
1833	sub parse_random_map_params {	2509	sub parse_random_map_params {
1834	my ($spec) = @_;	2510	my ($spec) = @_;
1835		2511
1836	my $rmp = { # defaults	2512	my $rmp = { # defaults
1837	xsize => 10,	2513	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2514	ysize => (cf::rndm 15, 40),
		2515	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2516	#layout => string,
1839	};	2517	};
1840		2518
1841	for (split /\n/, $spec) {	2519	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2520	my ($k, $v) = split /\s+/, $_, 2;
1843		2521
…		…
1847	$rmp	2525	$rmp
1848	}	2526	}
1849		2527
1850	sub prepare_random_map {	2528	sub prepare_random_map {
1851	my ($exit) = @_;	2529	my ($exit) = @_;
		2530
		2531	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2532
1853	# all this does is basically replace the /! path by	2533	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2534	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2535	# that depends on the exit object
1856		2536
1857	my $rmp = parse_random_map_params $exit->msg;	2537	my $rmp = parse_random_map_params $exit->msg;
1858		2538
1859	if ($exit->map) {	2539	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2540	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2541	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2542	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2543	$rmp->{origin_y} = $exit->y;
1864	}	2544	}
1865		2545
1866	$rmp->{random_seed} ||= $exit->random_seed;	2546	$rmp->{random_seed} ||= $exit->random_seed;
1867		2547
1868	my $data = cf::to_json $rmp;	2548	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2549	my $md5 = Digest::MD5::md5_hex $data;
		2550	my $meta = "$RANDOMDIR/$md5.meta";
1870		2551
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2552	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2553	aio_write $fh, 0, (length $data), $data, 0;
		2554	undef $fh;
		2555	aio_rename "$meta~", $meta;
1873		2556
1874	$exit->slaying ("?random/$md5");	2557	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2558	$exit->msg (undef);
1876	}	2559	}
1877	}	2560	}
…		…
1879	sub cf::object::player::enter_exit {	2562	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2563	my ($self, $exit) = @_;
1881		2564
1882	return unless $self->type == cf::PLAYER;	2565	return unless $self->type == cf::PLAYER;
1883		2566
		2567	if ($exit->slaying eq "/!") {
		2568	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2569	# the problem is that $exit might not survive long enough
		2570	# so it needs to be done right now, right here
		2571	cf::sync_job { prepare_random_map $exit };
		2572	}
		2573
		2574	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2575	my $hp = $exit->stats->hp;
		2576	my $sp = $exit->stats->sp;
		2577
1884	$self->enter_link;	2578	$self->enter_link;
		2579
		2580	# if exit is damned, update players death & WoR home-position
		2581	$self->contr->savebed ($slaying, $hp, $sp)
		2582	if $exit->flag (FLAG_DAMNED);
1885		2583
1886	(async {	2584	(async {
1887	$self->deactivate_recursive; # just to be sure	2585	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2586	unless (eval {
1889	prepare_random_map $exit	2587	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2588
1895	1;	2589	1;
1896	}) {	2590	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2591	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2592	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2593	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2594	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2595
1902	warn "ERROR in enter_exit: $@";	2596	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2597	$self->leave_link;
1904	}	2598	}
1905	})->prio (1);	2599	})->prio (1);
…		…
1918		2612
1919	sub cf::client::send_drawinfo {	2613	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2614	my ($self, $text, $flags) = @_;
1921		2615
1922	utf8::encode $text;	2616	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2617	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2618	}
1925		2619
		2620	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2621
		2622	Send a drawinfo or msg packet to the client, formatting the msg for the
		2623	client if neccessary. C<$type> should be a string identifying the type of
		2624	the message, with C<log> being the default. If C<$color> is negative, suppress
		2625	the message unless the client supports the msg packet.
		2626
		2627	=cut
		2628
		2629	our %CHANNEL = (
		2630	"c/identify" => {
		2631	id => "identify",
		2632	title => "Identify",
		2633	reply => undef,
		2634	tooltip => "Items recently identified",
		2635	},
		2636	"c/examine" => {
		2637	id => "examine",
		2638	title => "Examine",
		2639	reply => undef,
		2640	tooltip => "Signs and other items you examined",
		2641	},
		2642	);
		2643
		2644	sub cf::client::send_msg {
		2645	my ($self, $channel, $msg, $color, @extra) = @_;
		2646
		2647	$msg = $self->pl->expand_cfpod ($msg);
		2648
		2649	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2650
		2651	# check predefined channels, for the benefit of C
		2652	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2653
		2654	if (ref $channel) {
		2655	# send meta info to client, if not yet sent
		2656	unless (exists $self->{channel}{$channel->{id}}) {
		2657	$self->{channel}{$channel->{id}} = $channel;
		2658	$self->ext_msg (channel_info => $channel)
		2659	if $self->can_msg;
		2660	}
		2661
		2662	$channel = $channel->{id};
		2663	}
		2664
		2665	return unless @extra || length $msg;
		2666
		2667	if ($self->can_msg) {
		2668	# default colour, mask it out
		2669	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2670	if $color & cf::NDI_DEF;
		2671
		2672	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2673	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2674	} else {
		2675	if ($color >= 0) {
		2676	# replace some tags by gcfclient-compatible ones
		2677	for ($msg) {
		2678	1 while
		2679	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2680	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2681	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2682	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2683	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2684	}
		2685
		2686	$color &= cf::NDI_COLOR_MASK;
		2687
		2688	utf8::encode $msg;
		2689
		2690	if (0 && $msg =~ /\[/) {
		2691	# COMMAND/INFO
		2692	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2693	} else {
		2694	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2695	$self->send_packet ("drawinfo $color $msg")
		2696	}
		2697	}
		2698	}
		2699	}
		2700
		2701	=item $client->ext_msg ($type, @msg)
		2702
		2703	Sends an ext event to the client.
		2704
		2705	=cut
		2706
		2707	sub cf::client::ext_msg($$@) {
		2708	my ($self, $type, @msg) = @_;
		2709
		2710	if ($self->extcmd == 2) {
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2712	} elsif ($self->extcmd == 1) { # TODO: remove
		2713	push @msg, msgtype => "event_$type";
		2714	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2715	}
		2716	}
		2717
		2718	=item $client->ext_reply ($msgid, @msg)
		2719
		2720	Sends an ext reply to the client.
		2721
		2722	=cut
		2723
		2724	sub cf::client::ext_reply($$@) {
		2725	my ($self, $id, @msg) = @_;
		2726
		2727	if ($self->extcmd == 2) {
		2728	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2729	} elsif ($self->extcmd == 1) {
		2730	#TODO: version 1, remove
		2731	unshift @msg, msgtype => "reply", msgid => $id;
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
1926		2735
1927	=item $success = $client->query ($flags, "text", \&cb)	2736	=item $success = $client->query ($flags, "text", \&cb)
1928		2737
1929	Queues a query to the client, calling the given callback with	2738	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2739	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2740	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2741
1933	Queries can fail, so check the return code. Or don't, as queries will become	2742	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2743	become reliable at some point in the future.
1935		2744
1936	=cut	2745	=cut
1937		2746
1938	sub cf::client::query {	2747	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2748	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2756	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2757	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2758
1950	$self->send_packet ($self->{query_queue}[0][0])	2759	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2760	if @{ $self->{query_queue} } == 1;
		2761
		2762	1
1952	}	2763	}
1953		2764
1954	cf::client->attach (	2765	cf::client->attach (
		2766	on_connect => sub {
		2767	my ($ns) = @_;
		2768
		2769	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2770	},
1955	on_reply => sub {	2771	on_reply => sub {
1956	my ($ns, $msg) = @_;	2772	my ($ns, $msg) = @_;
1957		2773
1958	# this weird shuffling is so that direct followup queries	2774	# this weird shuffling is so that direct followup queries
1959	# get handled first	2775	# get handled first
1960	my $queue = delete $ns->{query_queue}	2776	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2777	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2778
1963	(shift @$queue)->[1]->($msg);	2779	(shift @$queue)->[1]->($msg);
		2780	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2781
1965	push @{ $ns->{query_queue} }, @$queue;	2782	push @{ $ns->{query_queue} }, @$queue;
1966		2783
1967	if (@{ $ns->{query_queue} } == @$queue) {	2784	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2785	if (@$queue) {
…		…
1970	} else {	2787	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2788	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2789	}
1973	}	2790	}
1974	},	2791	},
		2792	on_exticmd => sub {
		2793	my ($ns, $buf) = @_;
		2794
		2795	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2796
		2797	if (ref $msg) {
		2798	my ($type, $reply, @payload) =
		2799	"ARRAY" eq ref $msg
		2800	? @$msg
		2801	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2802
		2803	my @reply;
		2804
		2805	if (my $cb = $EXTICMD{$type}) {
		2806	@reply = $cb->($ns, @payload);
		2807	}
		2808
		2809	$ns->ext_reply ($reply, @reply)
		2810	if $reply;
		2811
		2812	} else {
		2813	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2814	}
		2815
		2816	cf::override;
		2817	},
1975	);	2818	);
1976		2819
1977	=item $client->async (\&cb)	2820	=item $client->async (\&cb)
1978		2821
1979	Create a new coroutine, running the specified callback. The coroutine will	2822	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	2863	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	2864	our $safe_hole = new Safe::Hole;
2022		2865
2023	$SIG{FPE} = 'IGNORE';	2866	$SIG{FPE} = 'IGNORE';
2024		2867
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2868	$safe->permit_only (Opcode::opset qw(
		2869	:base_core :base_mem :base_orig :base_math
		2870	grepstart grepwhile mapstart mapwhile
		2871	sort time
		2872	));
2026		2873
2027	# here we export the classes and methods available to script code	2874	# here we export the classes and methods available to script code
2028		2875
2029	=pod	2876	=pod
2030		2877
2031	The following fucntions and emthods are available within a safe environment:	2878	The following functions and methods are available within a safe environment:
2032		2879
2033	cf::object contr pay_amount pay_player map	2880	cf::object
		2881	contr pay_amount pay_player map x y force_find force_add
		2882	insert remove name archname title slaying race decrease_ob_nr
		2883
2034	cf::object::player player	2884	cf::object::player
2035	cf::player peaceful	2885	player
2036	cf::map trigger	2886
		2887	cf::player
		2888	peaceful
		2889
		2890	cf::map
		2891	trigger
2037		2892
2038	=cut	2893	=cut
2039		2894
2040	for (	2895	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	2896	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2897	insert remove inv name archname title slaying race
		2898	decrease_ob_nr)],
2042	["cf::object::player" => qw(player)],	2899	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2900	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2901	["cf::map" => qw(trigger)],
2045	) {	2902	) {
2046	no strict 'refs';	2903	no strict 'refs';
…		…
2117	=back	2974	=back
2118		2975
2119	=cut	2976	=cut
2120		2977
2121	#############################################################################	2978	#############################################################################
		2979	# the server's init and main functions
2122		2980
2123	=head2 EXTENSION DATABASE SUPPORT	2981	sub load_facedata($) {
		2982	my ($path) = @_;
2124		2983
2125	Crossfire maintains a very simple database for extension use. It can	2984	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	2985	# for this (global event?)
2127	excludes objects.	2986	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		2987
2129	The parameter C<$family> should best start with the name of the extension	2988	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		2989
2132	=over 4	2990	warn "loading facedata from $path\n";
2133		2991
2134	=item $hashref = cf::db_get $family	2992	my $facedata;
		2993	0 < aio_load $path, $facedata
		2994	or die "$path: $!";
2135		2995
2136	Return a hashref for use by the extension C<$family>, which can be	2996	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		2997
2140	=item $value = cf::db_get $family => $key	2998	$facedata->{version} == 2
		2999	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		3000
2142	Returns a single value from the database	3001	# patch in the exptable
2143		3002	$facedata->{resource}{"res/exp_table"} = {
2144	=item cf::db_put $family => $hashref	3003	type => FT_RSRC,
2145		3004	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	3005	};
		3006	cf::cede_to_tick;
2195		3007
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	3008	{
		3009	my $faces = $facedata->{faceinfo};
2200		3010
2201	sub db_get($;$) {	3011	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	3012	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}	3013	cf::face::set_visibility $idx, $info->{visibility};
2204	: ($DB->{$_[0]} ||= { })	3014	cf::face::set_magicmap $idx, $info->{magicmap};
2205	}	3015	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3016	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2206		3017
2207	sub db_put($$;$) {	3018	cf::cede_to_tick;
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	3019	}
2221	);
2222	}
2223		3020
2224	#############################################################################	3021	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	3022	next unless $info->{smooth};
		3023	my $idx = cf::face::find $face
		3024	or next;
		3025	if (my $smooth = cf::face::find $info->{smooth}) {
		3026	cf::face::set_smooth $idx, $smooth;
		3027	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3028	} else {
		3029	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3030	}
2226		3031
2227	sub cfg_load {	3032	cf::cede_to_tick;
		3033	}
		3034	}
		3035
		3036	{
		3037	my $anims = $facedata->{animinfo};
		3038
		3039	while (my ($anim, $info) = each %$anims) {
		3040	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3041	cf::cede_to_tick;
		3042	}
		3043
		3044	cf::anim::invalidate_all; # d'oh
		3045	}
		3046
		3047	{
		3048	# TODO: for gcfclient pleasure, we should give resources
		3049	# that gcfclient doesn't grok a >10000 face index.
		3050	my $res = $facedata->{resource};
		3051
		3052	my $soundconf = delete $res->{"res/sound.conf"};
		3053
		3054	while (my ($name, $info) = each %$res) {
		3055	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3056	my $data;
		3057
		3058	if ($info->{type} & 1) {
		3059	# prepend meta info
		3060
		3061	my $meta = $enc->encode ({
		3062	name => $name,
		3063	%{ $info->{meta} || {} },
		3064	});
		3065
		3066	$data = pack "(w/a*)*", $meta, $info->{data};
		3067	} else {
		3068	$data = $info->{data};
		3069	}
		3070
		3071	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3072	cf::face::set_type $idx, $info->{type};
		3073
		3074	cf::cede_to_tick;
		3075	}
		3076
		3077	if ($soundconf) {
		3078	$soundconf = $enc->decode (delete $soundconf->{data});
		3079
		3080	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3081	my $sound = $soundconf->{compat}[$_]
		3082	or next;
		3083
		3084	my $face = cf::face::find "sound/$sound->[1]";
		3085	cf::sound::set $sound->[0] => $face;
		3086	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3087	}
		3088
		3089	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3090	my $face = cf::face::find "sound/$v";
		3091	cf::sound::set $k => $face;
		3092	}
		3093	}
		3094	}
		3095
		3096	1
		3097	}
		3098
		3099	register_exticmd fx_want => sub {
		3100	my ($ns, $want) = @_;
		3101
		3102	while (my ($k, $v) = each %$want) {
		3103	$ns->fx_want ($k, $v);
		3104	}
		3105	};
		3106
		3107	sub reload_regions {
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	load_resource_file "$MAPDIR/regions"
		3113	or die "unable to load regions file\n";
		3114
		3115	for (cf::region::list) {
		3116	$_->{match} = qr/$_->{match}/
		3117	if exists $_->{match};
		3118	}
		3119	}
		3120
		3121	sub reload_facedata {
		3122	load_facedata "$DATADIR/facedata"
		3123	or die "unable to load facedata\n";
		3124	}
		3125
		3126	sub reload_archetypes {
		3127	load_resource_file "$DATADIR/archetypes"
		3128	or die "unable to load archetypes\n";
		3129	#d# NEED to laod twice to resolve forward references
		3130	# this really needs to be done in an extra post-pass
		3131	# (which needs to be synchronous, so solve it differently)
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	}
		3135
		3136	sub reload_treasures {
		3137	load_resource_file "$DATADIR/treasures"
		3138	or die "unable to load treasurelists\n";
		3139	}
		3140
		3141	sub reload_resources {
		3142	warn "reloading resource files...\n";
		3143
		3144	reload_regions;
		3145	reload_facedata;
		3146	#reload_archetypes;#d#
		3147	reload_archetypes;
		3148	reload_treasures;
		3149
		3150	warn "finished reloading resource files\n";
		3151	}
		3152
		3153	sub init {
		3154	reload_resources;
		3155	}
		3156
		3157	sub reload_config {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3158	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	3159	or return;
2230		3160
2231	local $/;	3161	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	3162	*CFG = YAML::Syck::Load <$fh>;
2233		3163
…		…
2247		3177
2248	sub main {	3178	sub main {
2249	# we must not ever block the main coroutine	3179	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3180	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3181	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3182	(async {
2252	async { Event::one_event };	3183	Event::one_event;
		3184	})->prio (Coro::PRIO_MAX);
2253	};	3185	};
2254		3186
2255	cfg_load;	3187	reload_config;
2256	db_load;	3188	db_init;
2257	load_extensions;	3189	load_extensions;
		3190
		3191	$TICK_WATCHER->start;
2258	Event::loop;	3192	Event::loop;
2259	}	3193	}
2260		3194
2261	#############################################################################	3195	#############################################################################
2262	# initialisation and cleanup	3196	# initialisation and cleanup
2263		3197
2264	# install some emergency cleanup handlers	3198	# install some emergency cleanup handlers
2265	BEGIN {	3199	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	3200	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3201	Event->signal (
		3202	reentrant => 0,
2268	data => WF_AUTOCANCEL,	3203	data => WF_AUTOCANCEL,
2269	signal => $signal,	3204	signal => $signal,
		3205	prio => 0,
2270	cb => sub {	3206	cb => sub {
2271	cf::cleanup "SIG$signal";	3207	cf::cleanup "SIG$signal";
2272	},	3208	},
2273	);	3209	);
2274	}	3210	}
2275	}	3211	}
2276		3212
		3213	sub write_runtime {
		3214	my $runtime = "$LOCALDIR/runtime";
		3215
		3216	# first touch the runtime file to show we are still running:
		3217	# the fsync below can take a very very long time.
		3218
		3219	IO::AIO::aio_utime $runtime, undef, undef;
		3220
		3221	my $guard = cf::lock_acquire "write_runtime";
		3222
		3223	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3224	or return;
		3225
		3226	my $value = $cf::RUNTIME + 90 + 10;
		3227	# 10 is the runtime save interval, for a monotonic clock
		3228	# 60 allows for the watchdog to kill the server.
		3229
		3230	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3231	and return;
		3232
		3233	# always fsync - this file is important
		3234	aio_fsync $fh
		3235	and return;
		3236
		3237	# touch it again to show we are up-to-date
		3238	aio_utime $fh, undef, undef;
		3239
		3240	close $fh
		3241	or return;
		3242
		3243	aio_rename "$runtime~", $runtime
		3244	and return;
		3245
		3246	warn "runtime file written.\n";
		3247
		3248	1
		3249	}
		3250
2277	sub emergency_save() {	3251	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3252	my $freeze_guard = cf::freeze_mainloop;
2279		3253
2280	warn "enter emergency perl save\n";	3254	warn "enter emergency perl save\n";
2281		3255
2282	cf::sync_job {	3256	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	3257	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3258	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3259	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3260	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	3261	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3262	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3263	$pl->valid or next;
2290	$pl->save;	3264	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	3270	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3271	$map->valid or next;
2298	$map->save;	3272	$map->save;
2299	}	3273	}
2300	warn "end emergency map save\n";	3274	warn "end emergency map save\n";
		3275
		3276	warn "begin emergency database checkpoint\n";
		3277	BDB::db_env_txn_checkpoint $DB_ENV;
		3278	warn "end emergency database checkpoint\n";
2301	};	3279	};
2302		3280
2303	warn "leave emergency perl save\n";	3281	warn "leave emergency perl save\n";
2304	}	3282	}
2305		3283
		3284	sub post_cleanup {
		3285	my ($make_core) = @_;
		3286
		3287	warn Carp::longmess "post_cleanup backtrace"
		3288	if $make_core;
		3289	}
		3290
2306	sub reload() {	3291	sub do_reload_perl() {
2307	# can/must only be called in main	3292	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3293	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3294	warn "can only reload from main coroutine";
2310	return;	3295	return;
2311	}	3296	}
2312		3297
2313	warn "reloading...";	3298	warn "reloading...";
2314		3299
2315	warn "freezing server";	3300	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3301
		3302	cf::sync_job {
		3303	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	3304	cf::emergency_save;
		3305	cf::write_runtime; # external watchdog should not bark
2318		3306
2319	warn "sync database to disk";	3307	warn "syncing database to disk";
2320	cf::db_sync;	3308	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3309
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3310	# if anything goes wrong in here, we should simply crash as we already saved
2325		3311
2326	warn "cancel all watchers";	3312	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	3313	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3314	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	3315	}
2330		3316
		3317	warn "flushing outstanding aio requests";
		3318	for (;;) {
		3319	BDB::flush;
		3320	IO::AIO::flush;
		3321	Coro::cede;
		3322	last unless IO::AIO::nreqs || BDB::nreqs;
		3323	warn "iterate...";
		3324	}
		3325
		3326	++$RELOAD;
		3327
2331	warn "cancel all extension coros";	3328	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3329	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3330	%EXT_CORO = ();
2334		3331
2335	warn "remove commands";	3332	warn "removing commands";
2336	%COMMAND = ();	3333	%COMMAND = ();
2337		3334
2338	warn "remove ext commands";	3335	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3336	%EXTCMD = ();
		3337	%EXTICMD = ();
2340		3338
2341	warn "unload/nuke all extensions";	3339	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3340	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3341	warn "... unloading $pkg";
2344		3342
2345	if (my $cb = $pkg->can ("unload")) {	3343	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3344	eval {
…		…
2351		3349
2352	warn "... nuking $pkg";	3350	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	3351	Symbol::delete_package $pkg;
2354	}	3352	}
2355		3353
2356	warn "unload all perl modules loaded from $LIBDIR";	3354	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3355	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3356	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3357
2360	warn "removing <$k>";	3358	warn "... unloading $k";
2361	delete $INC{$k};	3359	delete $INC{$k};
2362		3360
2363	$k =~ s/\.pm$//;	3361	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3362	$k =~ s/\//::/g;
2365		3363
…		…
2368	}	3366	}
2369		3367
2370	Symbol::delete_package $k;	3368	Symbol::delete_package $k;
2371	}	3369	}
2372		3370
2373	warn "get rid of safe::, as good as possible";	3371	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3372	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3373	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3374
2377	warn "unload cf.pm \"a bit\"";	3375	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3376	delete $INC{"cf.pm"};
		3377	delete $INC{"cf/pod.pm"};
2379		3378
2380	# don't, removes xs symbols, too,	3379	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3380	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3381	#Symbol::delete_package __PACKAGE__;
2383		3382
		3383	warn "unload completed, starting to reload now";
		3384
2384	warn "reloading cf.pm";	3385	warn "reloading cf.pm";
2385	require cf;	3386	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3388
2388	warn "load config and database again";	3389	warn "loading config and database again";
2389	cf::cfg_load;	3390	cf::reload_config;
2390	cf::db_load;
2391		3391
2392	warn "load extensions";	3392	warn "loading extensions";
2393	cf::load_extensions;	3393	cf::load_extensions;
2394		3394
2395	warn "reattach attachments to objects/players";	3395	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3396	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3397	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3398	reattach $_ for values %MAP;
2399	};	3399	warn "reattaching attachments to players";
		3400	reattach $_ for values %PLAYER;
2400		3401
2401	if ($@) {	3402	warn "leaving sync_job";
		3403
		3404	1
		3405	} or do {
2402	warn $@;	3406	warn $@;
2403	warn "error while reloading, exiting.";	3407	warn "error while reloading, exiting.";
2404	exit 1;	3408	exit 1;
2405	}	3409	};
2406		3410
2407	warn "reloaded";	3411	warn "reloaded";
2408	};	3412	};
2409		3413
2410	#############################################################################	3414	our $RELOAD_WATCHER; # used only during reload
2411		3415
2412	unless ($LINK_MAP) {	3416	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	3417	# doing reload synchronously and two reloads happen back-to-back,
		3418	# coro crashes during coro_state_free->destroy here.
2414		3419
2415	$LINK_MAP->width (41);	3420	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3421	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3422	after => 0,
		3423	data => WF_AUTOCANCEL,
2425	cb => sub {	3424	cb => sub {
2426	$_[0]->w->cancel;	3425	do_reload_perl;
2427		3426	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3427	},
2446		3428	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3429	}
2452		3430
2453	register_command "reload" => sub {	3431	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3432	my ($who, $arg) = @_;
2455		3433
2456	if ($who->flag (FLAG_WIZ)) {	3434	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3435	$who->message ("reloading server.");
		3436	async { reload_perl };
2460	}	3437	}
2461	};	3438	};
2462		3439
2463	unshift @INC, $LIBDIR;	3440	unshift @INC, $LIBDIR;
		3441
		3442	my $bug_warning = 0;
		3443
		3444	our @WAIT_FOR_TICK;
		3445	our @WAIT_FOR_TICK_BEGIN;
		3446
		3447	sub wait_for_tick {
		3448	return unless $TICK_WATCHER->is_active;
		3449	return if $Coro::current == $Coro::main;
		3450
		3451	my $signal = new Coro::Signal;
		3452	push @WAIT_FOR_TICK, $signal;
		3453	$signal->wait;
		3454	}
		3455
		3456	sub wait_for_tick_begin {
		3457	return unless $TICK_WATCHER->is_active;
		3458	return if $Coro::current == $Coro::main;
		3459
		3460	my $signal = new Coro::Signal;
		3461	push @WAIT_FOR_TICK_BEGIN, $signal;
		3462	$signal->wait;
		3463	}
		3464
		3465	our $stat_fh;
		3466	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2464		3467
2465	$TICK_WATCHER = Event->timer (	3468	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3469	reentrant => 0,
		3470	parked => 1,
2467	prio => 0,	3471	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3472	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3473	data => WF_AUTOCANCEL,
2470	cb => sub {	3474	cb => sub {
		3475	if ($Coro::current != $Coro::main) {
		3476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3477	unless ++$bug_warning > 10;
		3478	return;
		3479	}
		3480
		3481	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3482
		3483	$NOW = $tick_start = Event::time;
		3484
2471	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2472	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2474		3489
2475	$WAIT_FOR_TICK->broadcast;	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3492	Coro::async_pool {
		3493	write_runtime
		3494	or warn "ERROR: unable to write runtime file: $!";
		3495	};
		3496	}
		3497
		3498	# my $AFTER = Event::time;
		3499	# warn $AFTER - $NOW;#d#
		3500
		3501	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3502	$sig->send;
		3503	}
		3504	while (my $sig = shift @WAIT_FOR_TICK) {
		3505	$sig->send;
		3506	}
		3507
		3508	$NOW = Event::time;
2477		3509
2478	# if we are delayed by four ticks or more, skip them all	3510	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3511	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3512
2481	$TICK_WATCHER->at ($NEXT_TICK);	3513	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	3514	$TICK_WATCHER->start;
		3515
		3516	$LOAD = ($NOW - $tick_start) / $TICK;
		3517	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3518
		3519	_post_tick;
		3520
		3521	# gather some statistics#d#
		3522	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3523	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2483	},	3524	},
2484	);	3525	);
2485		3526
		3527	{
		3528	BDB::min_parallel 8;
2486	IO::AIO::max_poll_time $TICK * 0.2;	3529	BDB::max_poll_time $TICK * 0.1;
2487		3530	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3531	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3532	fd => BDB::poll_fileno,
2490	poll => 'r',	3533	poll => 'r',
2491	prio => 5,	3534	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3535	data => WF_AUTOCANCEL,
		3536	cb => \&BDB::poll_cb,
		3537	);
		3538
		3539	BDB::set_sync_prepare {
		3540	my $status;
		3541	my $current = $Coro::current;
		3542	(
		3543	sub {
		3544	$status = $!;
		3545	$current->ready; undef $current;
		3546	},
		3547	sub {
		3548	Coro::schedule while defined $current;
		3549	$! = $status;
		3550	},
		3551	)
		3552	};
		3553
		3554	unless ($DB_ENV) {
		3555	$DB_ENV = BDB::db_env_create;
		3556
		3557	cf::sync_job {
		3558	eval {
		3559	BDB::db_env_open
		3560	$DB_ENV,
		3561	$BDBDIR,
		3562	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3563	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3564	0666;
		3565
		3566	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3567
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_lk_detect;
		3571	};
		3572
		3573	cf::cleanup "db_env_open(db): $@" if $@;
		3574	};
		3575	}
		3576
		3577	$BDB_CHECKPOINT_WATCHER = Event->timer (
2498	after => 0,	3578	after => 11,
2499	interval => 10,	3579	interval => 60,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
2500	cb => sub {	3583	cb => sub {
2501	(Coro::unblock_sub {	3584	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2502	write_runtime	3585	},
2503	or warn "ERROR: unable to write runtime file: $!";	3586	);
		3587	$BDB_TRICKLE_WATCHER = Event->timer (
		3588	after => 5,
		3589	interval => 10,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3595	},
		3596	);
		3597	}
		3598
		3599	{
		3600	IO::AIO::min_parallel 8;
		3601
		3602	undef $Coro::AIO::WATCHER;
		3603	IO::AIO::max_poll_time $TICK * 0.1;
		3604	$AIO_POLL_WATCHER = Event->io (
		3605	reentrant => 0,
		3606	data => WF_AUTOCANCEL,
		3607	fd => IO::AIO::poll_fileno,
		3608	poll => 'r',
		3609	prio => 6,
		3610	cb => \&IO::AIO::poll_cb,
		3611	);
		3612	}
		3613
		3614	my $_log_backtrace;
		3615
		3616	sub _log_backtrace {
		3617	my ($msg, @addr) = @_;
		3618
		3619	$msg =~ s/\n//;
		3620
		3621	# limit the # of concurrent backtraces
		3622	if ($_log_backtrace < 2) {
		3623	++$_log_backtrace;
		3624	async {
		3625	my @bt = fork_call {
		3626	@addr = map { sprintf "%x", $_ } @addr;
		3627	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3628	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3629	or die "addr2line: $!";
		3630
		3631	my @funcs;
		3632	my @res = <$fh>;
		3633	chomp for @res;
		3634	while (@res) {
		3635	my ($func, $line) = splice @res, 0, 2, ();
		3636	push @funcs, "[$func] $line";
		3637	}
		3638
		3639	@funcs
		3640	};
		3641
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] $_\n" for @bt;
		3644	--$_log_backtrace;
2504	})->();	3645	};
		3646	} else {
		3647	LOG llevInfo, "[ABT] $msg\n";
		3648	LOG llevInfo, "[ABT] [suppressed]\n";
2505	},	3649	}
2506	);	3650	}
		3651
		3652	# load additional modules
		3653	use cf::pod;
2507		3654
2508	END { cf::emergency_save }	3655	END { cf::emergency_save }
2509		3656
2510	1	3657	1
2511		3658

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