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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.369 by root, Thu Sep 13 08:35:25 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		44
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
31		47
32	$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
33		49
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	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(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	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;
47		88
48	our %CFG;	89	our %CFG;
49		90
50	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	92	our $RUNTIME;
52		93
53	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	96	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	97
57	our %EXT_CORO; # coroutines bound to extensions	98	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $tick_start; # for load detecting purposes
58		104
59	binmode STDOUT;	105	binmode STDOUT;
60	binmode STDERR;	106	binmode STDERR;
61		107
62	# read virtual server time, if available	108	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
67	}	113	}
68		114
69	mkdir cf::localdir;	115	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		117
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
		119
		120	sub cf::map::normalise;
78		121
79	#############################################################################	122	#############################################################################
80		123
81	=head2 GLOBAL VARIABLES	124	=head2 GLOBAL VARIABLES
82		125
…		…
89	=item $cf::RUNTIME	132	=item $cf::RUNTIME
90		133
91	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
92	every server tick.	135	every server tick.
93		136
94	=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
95		140
96	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		145
99	=item $cf::NOW	146	=item $cf::NOW
100		147
101	The time of the last (current) server tick.	148	The time of the last (current) server tick.
102		149
103	=item $cf::TICK	150	=item $cf::TICK
104		151
105	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.
106		163
107	=item %cf::CFG	164	=item %cf::CFG
108		165
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	167	from wherever your confdir points to.
		168
		169	=item cf::wait_for_tick, cf::wait_for_tick_begin
		170
		171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		172	returns directly I<after> the tick processing (and consequently, can only wake one process
		173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
111		180
112	=back	181	=back
113		182
114	=cut	183	=cut
115		184
116	BEGIN {	185	BEGIN {
117	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	187	my $msg = join "", @_;
119	utf8::encode $msg;
120		188
121	$msg .= "\n"	189	$msg .= "\n"
122	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
123		193
124	LOG llevError, $msg;	194	LOG llevError, $msg;
125	};	195	};
126	}	196	}
127		197
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		205
135	# 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
136	# within the Safe compartment.	207	# within the Safe compartment.
137	for my $pkg (qw(	208	for my $pkg (qw(
138	cf::global cf::attachable	209	cf::global cf::attachable
…		…
147		218
148	$Event::DIED = sub {	219	$Event::DIED = sub {
149	warn "error in event callback: @_";	220	warn "error in event callback: @_";
150	};	221	};
151		222
152	my %ext_pkg;	223	#############################################################################
153	my @exts;
154	my @hook;
155		224
156	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
157		226
158	=over 4	227	=over 4
159		228
…		…
178	$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;
179	$d	248	$d
180	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
181	}	250	}
182		251
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
186		253
187	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
188		255
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
197		257
198	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
199		259
200	=cut	260	=cut
201		261
202	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
204	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
205	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
206		266
207	=item cf::lock_wait $string	267	=item cf::lock_wait $string
208		268
209	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
210		270
…		…
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
216	returned.	276	returned.
217		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
218	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
219	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
220		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
221	=cut	288	=cut
222		289
223	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
224		292
225	sub lock_wait($) {	293	sub lock_wait($) {
226	my ($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#
227		300
228	# wait for lock, if any	301	# wait for lock, if any
229	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;	304	Coro::schedule;
…		…
237		310
238	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
239	lock_wait $key;	312	lock_wait $key;
240		313
241	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
242		316
243	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
244	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
246	}	321	}
247	}	322	}
248		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
249	sub freeze_mainloop {	330	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
251		332
252	my $guard = Coro::guard { $TICK_WATCHER->start };	333	my $guard = Coro::guard {
		334	$TICK_WATCHER->start;
		335	};
253	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
254	$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;
255	}	394	}
256		395
257	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
258		397
259	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		403
265	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
266		405
267	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
268		407
269	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)
270	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
271	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.
272		412
273	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
274	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
275	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
276	fast or be very important.	416	fast or be very important.
…		…
279		419
280	sub sync_job(&) {	420	sub sync_job(&) {
281	my ($job) = @_;	421	my ($job) = @_;
282		422
283	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
284	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
286		428
287	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
299		441
300	while ($busy) {	442	while ($busy) {
301	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
302	}	444	}
303		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
304	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
305	} else {	454	} else {
306	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
307		456
308	$job->()	457	$job->()
309	}	458	}
310	}	459	}
311		460
312	=item $coro = cf::async_ext { BLOCK }	461	=item $coro = cf::async_ext { BLOCK }
313		462
314	Like async, but this coro is automcatially being canceled when the	463	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	464	extension calling this is being unloaded.
316		465
317	=cut	466	=cut
318		467
319	sub async_ext(&) {	468	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
328		477
329	$coro	478	$coro
330	}	479	}
331		480
332	sub write_runtime {	481	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		482
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
336	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.
337		487
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	488	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		489
342	aio_fsync $fh	490	sub fork_call(&@) {
343	and return;	491	my ($cb, @args) = @_;
344		492
345	close $fh	493	# we seemingly have to make a local copy of the whole thing,
346	or return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
347		496
348	aio_rename "$runtime~", $runtime	497	my @res = Coro::Util::fork_eval {
349	and return;	498	reset_signals;
		499	&$cb
		500	}, @args;
350		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
351	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 });
352	}	641	}
353		642
354	=back	643	=back
355		644
356	=cut	645	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		646
480	#############################################################################	647	#############################################################################
481		648
482	=head2 ATTACHABLE OBJECTS	649	=head2 ATTACHABLE OBJECTS
483		650
…		…
485	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")
486	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
487		654
488	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>
489	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
490	crossfire+).	657	Crossfire TRT).
491		658
492	=over 4	659	=over 4
493		660
494	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
495		662
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	776	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	777	our @CB_MAP = ();
611		778
612	my %attachment;	779	my %attachment;
613		780
		781	sub cf::attachable::thawer_merge {
		782	# simply override everything except _meta
		783	local $_[0]{_meta};
		784	%{$_[0]} = %{$_[1]};
		785	}
		786
614	sub _attach_cb($$$$) {	787	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	788	my ($registry, $event, $prio, $cb) = @_;
616		789
617	use sort 'stable';	790	use sort 'stable';
618		791
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
653		826
654	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		831
659	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	833	my $pkg = shift @arg;
661		834
662	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
692	}	865	}
693		866
694	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
695	} else {	868	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	870	}
698		871
699	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
700	}	873	}
701		874
…		…
703	if (ref $_[0]) {	876	if (ref $_[0]) {
704	_object_attach @_;	877	_object_attach @_;
705	} else {	878	} else {
706	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
707	}	880	}
		881	_recalc_want;
708	};	882	};
709		883
710	# all those should be optimised	884	# all those should be optimised
711	sub cf::attachable::detach {	885	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
716	reattach ($obj);	890	reattach ($obj);
717	} else {	891	} else {
718	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
719	}	893	}
		894	_recalc_want;
720	};	895	};
721		896
722	sub cf::attachable::attached {	897	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
724		899
…		…
739	";	914	";
740	die if $@;	915	die if $@;
741	}	916	}
742		917
743	our $override;	918	our $override;
744	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?
745		920
746	sub override {	921	sub override {
747	$override = 1;	922	$override = 1;
748	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
749	}	924	}
750		925
751	sub do_invoke {	926	sub do_invoke {
752	my $event = shift;	927	my $event = shift;
753	my $callbacks = shift;	928	my $callbacks = shift;
754		929
755	@invoke_results = ();	930	@INVOKE_RESULTS = ();
756		931
757	local $override;	932	local $override;
758		933
759	for (@$callbacks) {	934	for (@$callbacks) {
760	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
777		952
778	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
779		954
780	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
781	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
782	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		958
784	=back	959	=back
785		960
786	=cut	961	=cut
787		962
788	#############################################################################	963	#############################################################################
789	# 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	}
790		976
791	sub reattach {	977	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	979	my ($obj) = @_;
		980
		981	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		982
795	my $registry = $obj->registry;	983	my $registry = $obj->registry;
796		984
797	@$registry = ();	985	@$registry = ();
798		986
…		…
837	);	1025	);
838		1026
839	sub object_freezer_save {	1027	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
841		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
842	sync_job {	1032	sync_job {
843	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
846		1037
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	1042	close $fh;
852		1043
853	if (@$objs) {	1044	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	1050	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
861	}	1052	}
862	} else {	1053	} else {
863	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
869	}	1060	}
870	} else {	1061	} else {
871	aio_unlink $filename;	1062	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
873	}	1064	}
874	}	1065	};
		1066
		1067	undef $guard;
875	}	1068	}
876		1069
877	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
879		1072
…		…
884		1077
885	sub object_thawer_load {	1078	sub object_thawer_load {
886	my ($filename) = @_;	1079	my ($filename) = @_;
887		1080
888	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
889		1084
890	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
891	or return;	1086	or return;
892		1087
893	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
895	or return;	1090	or return;
		1091
		1092	undef $guard;
896	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1094	}
898		1095
		1096	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
901	return ($data, $av);	1100	($data, $av)
902	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
903		1108
904	#############################################################################	1109	#############################################################################
905	# command handling &c	1110	# command handling &c
906		1111
907	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1126	}
922		1127
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1129
925	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.
926		1135
927	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
928	called.	1137	called.
929		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
930	=cut	1150	=cut
931		1151
932	sub register_extcmd {	1152	sub register_extcmd {
933	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
934		1154
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
939	}	1162	}
940		1163
941	cf::player->attach (	1164	cf::player->attach (
942	on_command => sub {	1165	on_command => sub {
943	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1175	cf::override;
953	},	1176	},
954	on_extcmd => sub {	1177	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
956		1179
957	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1181
959	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
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
965	} else {	1197	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1199	}
968		1200
969	cf::override;	1201	cf::override;
970	},	1202	},
971	);	1203	);
972		1204
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
1050	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1210	next unless -r $path;
1052	eval {	1211
1053	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;
1054	1	1269	}
1055	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
1056	}	1275	};
1057	}	1276	}
1058		1277
1059	#############################################################################	1278	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1279
1062	*cf::mapsupport::on_clean = sub {	1280	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1281
1097	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
1098		1283
1099	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
1100		1285
…		…
1106		1291
1107	=head3 cf::player	1292	=head3 cf::player
1108		1293
1109	=over 4	1294	=over 4
1110		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
1111	=item cf::player::find $login	1310	=item cf::player::find $login
1112		1311
1113	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
1114		1313
1115	=cut	1314	=cut
1116		1315
1117	sub playerdir($) {	1316	sub playerdir($) {
1118	cf::localdir	1317	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1319	}
1124		1320
1125	sub path($) {	1321	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1323
1128	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
1129	}	1325	}
1130		1326
1131	sub find_active($) {	1327	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
1136		1332
1137	sub exists($) {	1333	sub exists($) {
1138	my ($login) = @_;	1334	my ($login) = @_;
1139		1335
1140	$cf::PLAYER{$login}	1336	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1337	or cf::sync_job { !aio_stat path $login }
1142	}	1338	}
1143		1339
1144	sub find($) {	1340	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1341	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1342	my $login = $_[0];
1147		1343
1148	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
1149		1345
1150	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
1151	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
1152	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;
1153	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1154	}	1363	}
1155	}	1364	}
1156	}	1365	}
1157		1366
…		…
1167		1376
1168	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1170		1379
1171	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1172	Coro::cede;	1381	cf::cede_to_tick;
1173	}	1382	}
1174		1383
1175	sub new($) {	1384	sub new($) {
1176	my ($login) = @_;	1385	my ($login) = @_;
1177		1386
…		…
1183	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1184		1393
1185	$self	1394	$self
1186	}	1395	}
1187		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
1188	=item $pl->quit_character	1407	=item $pl->quit_character
1189		1408
1190	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
1191	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1192		1411
1193	=cut	1412	=cut
1194		1413
1195	sub quit_character {	1414	sub quit_character {
1196	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1197		1418
1198	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1199	$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
1200		1421
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1210	$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
1211	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;
1212	}	1453	}
1213		1454
1214	=item cf::player::list_logins	1455	=item cf::player::list_logins
1215		1456
1216	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
1217	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1218		1459
1219	=cut	1460	=cut
1220		1461
1221	sub list_logins {	1462	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1464	or return [];
1224		1465
1225	my @logins;	1466	my @logins;
1226		1467
1227	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") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1231		1477
1232	utf8::decode $login;	1478	utf8::decode $login;
1233	push @logins, $login;	1479	push @logins, $login;
1234	}	1480	}
1235		1481
1236	\@logins	1482	\@logins
1237	}	1483	}
1238		1484
1239	=item $player->maps	1485	=item $player->maps
1240		1486
1241	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
1242	player. May block.	1488	player. May block.
1243		1489
1244	=cut	1490	=cut
1245		1491
1246	sub maps($) {	1492	sub maps($) {
1247	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1496
1249	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1250	or return;	1498	or return;
1251		1499
1252	my @paths;	1500	my @paths;
1253		1501
1254	for (@$files) {	1502	for (@$files) {
1255	utf8::decode $_;	1503	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1505	next unless /^$PATH_SEP/o;
1258		1506
1259	s/$PATH_SEP/\//g;	1507	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1508	}
1262		1509
1263	\@paths	1510	\@paths
1264	}	1511	}
1265		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
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1267		1565
1268	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1269		1567
1270	=cut	1568	=cut
1271		1569
1272	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1274		1572
1275	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1574	}
1279		1575
1280	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	}
1281		1616
1282	=back	1617	=back
1283
1284		1618
1285	=head3 cf::map	1619	=head3 cf::map
1286		1620
1287	=over 4	1621	=over 4
1288		1622
…		…
1291	package cf::map;	1625	package cf::map;
1292		1626
1293	use Fcntl;	1627	use Fcntl;
1294	use Coro::AIO;	1628	use Coro::AIO;
1295		1629
		1630	use overload
		1631	'""' => \&as_string,
		1632	fallback => 1;
		1633
1296	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1298		1636
1299	sub generate_random_map {	1637	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1640	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1644	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1645	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$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},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(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"
1316	}	1780	}
1317		1781
1318	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1319	# all maps in C++...	1783	# all maps in C++...
1320	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1322		1786
1323	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1325	}	1789	}
1326		1790
		1791	sub decay_objects {
		1792	my ($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
1327	sub try_load_header($) {	1807	sub load_header_from($) {
1328	my ($path) = @_;	1808	my ($self, $path) = @_;
1329		1809
1330	utf8::encode $path;	1810	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1332	or return;	1812	or return;
1333		1813
1334	my $map = cf::map::new	1814	$self->_load_header ($f)
1335	or return;	1815	or return;
1336		1816
1337	# for better error messages only, will be overwritten	1817	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1818	$f->resolve_delayed_derefs;
1339		1819
1340	$map->load_header ($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
1341	or return;	1863	or return;
		1864	$self->prepare_orig;
		1865	}
1342		1866
1343	$map->{load_path} = $path;	1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
1344		1869
1345	$map	1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
		1873	1
1346	}	1874	}
1347		1875
1348	sub find;	1876	sub find;
1349	sub find {	1877	sub find {
1350	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1351		1879
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1357	cf::lock_wait "map_find:$key";	1883	cf::lock_wait "map_find:$path";
1358		1884
1359	$cf::MAP{$key} || do {	1885	$cf::MAP{$path} || do {
1360	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
1361		1888
1362	# do it the slow way	1889	my $map = new_from_path cf::map $path
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1890	or return;
1381		1891
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1394		1893
1395	Coro::cede;	1894	$map->load_header
		1895	or return;
1396		1896
1397	if ($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;
1398	$map->reset;	1902	$map->reset;
1399	undef $guard;
1400	$map = find $path	1903	return find $path;
1401	or return;
1402	}	1904	}
1403		1905
1404	$cf::MAP{$key} = $map	1906	$cf::MAP{$path} = $map
1405	}	1907	}
1406	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1407		1912
1408	sub load {	1913	sub load {
1409	my ($self) = @_;	1914	my ($self) = @_;
1410		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1411	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1921	my $guard = cf::lock_acquire "map_data:$path";
1413		1922
		1923	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		1925
1416	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1417		1927
1418	$self->alloc;	1928	$self->alloc;
1419	$self->load_objects ($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)
1420	or return;	1936	or return;
1421		1937
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1939	if delete $self->{load_original};
1424		1940
1425	if (my $uniq = $path->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1942	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	1945	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1430	}	1949	}
1431	}	1950	}
1432		1951
1433	Coro::cede;	1952	$f->resolve_delayed_derefs;
1434		1953
		1954	cf::cede_to_tick;
1435	# now do the right thing for maps	1955	# now do the right thing for maps
1436	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1447	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;
1448	$self->activate;	1968	$self->activate;
1449	}	1969	}
1450		1970
1451	Coro::cede;	1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1452		1973
1453	$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	$self
		1990	}
		1991
		1992	# find and load all maps in the 3x3 area around a map
		1993	sub load_neighbours {
		1994	my ($map) = @_;
		1995
		1996	my @neigh; # diagonal neighbours
		1997
		1998	for (0 .. 3) {
		1999	my $neigh = $map->tile_path ($_)
		2000	or next;
		2001	$neigh = find $neigh, $map
		2002	or next;
		2003	$neigh->load;
		2004
		2005	push @neigh,
		2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2008	}
		2009
		2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
		2012	my $neigh = find $path, $origin
		2013	or next;
		2014	$neigh->load;
		2015	}
1454	}	2016	}
1455		2017
1456	sub find_sync {	2018	sub find_sync {
1457	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1458		2020
1459	cf::sync_job { cf::map::find $path, $origin }	2021	cf::sync_job { find $path, $origin }
1460	}	2022	}
1461		2023
1462	sub do_load_sync {	2024	sub do_load_sync {
1463	my ($map) = @_;	2025	my ($map) = @_;
1464		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1465	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
		2031	}
		2032
		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
		2047	$MAP_PREFETCHER ||= cf::async {
		2048	while (%MAP_PREFETCH) {
		2049	while (my ($k, $v) = each %MAP_PREFETCH) {
		2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
		2054	delete $MAP_PREFETCH{$k};
		2055	}
		2056	}
		2057	undef $MAP_PREFETCHER;
		2058	};
		2059	$MAP_PREFETCHER->prio (6);
		2060
		2061	()
1466	}	2062	}
1467		2063
1468	sub save {	2064	sub save {
1469	my ($self) = @_;	2065	my ($self) = @_;
1470		2066
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2068
1473	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1474		2070
1475	return unless $self->dirty;	2071	return unless $self->dirty;
1476		2072
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2073	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2074	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2075
1480	$self->{load_path} = $save;	2076	$self->{load_path} = $save;
1481		2077
1482	return if $self->{deny_save};	2078	return if $self->{deny_save};
1483		2079
…		…
1486	cf::async {	2082	cf::async {
1487	$_->contr->save for $self->players;	2083	$_->contr->save for $self->players;
1488	};	2084	};
1489		2085
1490	if ($uniq) {	2086	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2089	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2091	}
1496	}	2092	}
1497		2093
1498	sub swap_out {	2094	sub swap_out {
1499	my ($self) = @_;	2095	my ($self) = @_;
1500		2096
1501	# save first because save cedes	2097	# save first because save cedes
1502	$self->save;	2098	$self->save;
1503		2099
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2101
1506	return if $self->players;	2102	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1508	return if $self->{deny_save};	2104	return if $self->{deny_save};
1509		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1510	$self->clear;	2110	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2111	}
1513		2112
1514	sub reset_at {	2113	sub reset_at {
1515	my ($self) = @_;	2114	my ($self) = @_;
1516		2115
1517	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1520		2118
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2121
…		…
1528	my ($self) = @_;	2126	my ($self) = @_;
1529		2127
1530	$self->reset_at <= $cf::RUNTIME	2128	$self->reset_at <= $cf::RUNTIME
1531	}	2129	}
1532		2130
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2131	sub reset {
1555	my ($self) = @_;	2132	my ($self) = @_;
1556		2133
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2135
1559	return if $self->players;	2136	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2137
1562	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	}
1563		2149
1564	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1565		2151
		2152	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2153	$_->clear_links_to ($self) for values %cf::MAP;
		2154	$self->clear;
1567		2155
1568	$self->unlink_save;	2156	$self->unlink_save;
1569	$self->destroy;	2157	$self->destroy;
1570	}	2158	}
1571		2159
1572	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1573		2161
1574	sub nuke {	2162	sub nuke {
1575	my ($self) = @_;	2163	my ($self) = @_;
1576		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};
1577	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2177
		2178	$cf::MAP{$self->path} = $self;
		2179	}
		2180
1580	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
1581	}	2182	}
1582		2183
1583	sub customise_for {	2184	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2185
1586	if ($map->per_player) {	2186	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
1588	}	2192	[
1589		2193	map {
1590	$map	2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
1591	}	2200	}
1592		2201
1593	sub emergency_save {	2202	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2203
1596	warn "enter emergency perl save\n";	2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
1597		2206
1598	cf::sync_job {	2207	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2208
1603	warn "begin emergency map save\n";	2209	sub random_maps() {
1604	$_->save for values %cf::MAP;	2210	[
1605	warn "end emergency map save\n";	2211	map {
1606	};	2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
		2218	}
1607		2219
1608	warn "leave emergency perl save\n";	2220	=item cf::map::unique_maps
		2221
		2222	Returns an arrayref of paths of all shared maps that have
		2223	instantiated unique items. May block.
		2224
		2225	=cut
		2226
		2227	sub unique_maps() {
		2228	[
		2229	map {
		2230	utf8::decode $_;
		2231	/\.map$/
		2232	? normalise $_
		2233	: ()
		2234	} @{ aio_readdir $UNIQUEDIR or [] }
		2235	]
1609	}	2236	}
1610		2237
1611	package cf;	2238	package cf;
1612		2239
1613	=back	2240	=back
1614		2241
		2242	=head3 cf::object
		2243
		2244	=cut
		2245
		2246	package cf::object;
		2247
		2248	=over 4
		2249
		2250	=item $ob->inv_recursive
		2251
		2252	Returns the inventory of the object _and_ their inventories, recursively.
		2253
		2254	=cut
		2255
		2256	sub inv_recursive_;
		2257	sub inv_recursive_ {
		2258	map { $_, inv_recursive_ $_->inv } @_
		2259	}
		2260
		2261	sub inv_recursive {
		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	}
		2294	}
		2295
		2296	package cf;
		2297
		2298	=back
1615		2299
1616	=head3 cf::object::player	2300	=head3 cf::object::player
1617		2301
1618	=over 4	2302	=over 4
1619		2303
…		…
1633		2317
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2319
1636	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1638	} 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 {
1639	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1641	}	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 (@_);
1642	}	2345	}
1643		2346
1644	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1645		2348
1646	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1659		2362
1660	=item $player_object->enter_link	2363	=item $player_object->enter_link
1661		2364
1662	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}>).
1663		2366
1664	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
1665	I<MUST> call C<leave_link> as soon as possible, though.	2368	I<MUST> call C<leave_link> as soon as possible, though.
1666		2369
		2370	Will never block.
		2371
1667	=item $player_object->leave_link ($map, $x, $y)	2372	=item $player_object->leave_link ($map, $x, $y)
1668		2373
1669	Moves the player out of the specila link map onto the given map. If the	2374	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2375	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2376	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2377	fails, to the emergency map position.
1673		2378
1674	Might block.	2379	Might block.
1675		2380
1676	=cut	2381	=cut
		2382
		2383	sub link_map {
		2384	unless ($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	$LINK_MAP
		2391	}
1677		2392
1678	sub cf::object::player::enter_link {	2393	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2394	my ($self) = @_;
1680		2395
1681	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1682		2397
1683	return if $self->map == $LINK_MAP;	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2399
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1687		2402
1688	$self->enter_map ($LINK_MAP, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2404	}
1690		2405
1691	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1693		2410
1694	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1695		2412
1696	unless ($map) {	2413	unless ($map) {
1697	# restore original map position	2414	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1714		2431
1715	$map->load;	2432	$map->load;
		2433	$map->load_neighbours;
1716		2434
1717	return unless $self->contr->active;	2435	return unless $self->contr->active;
1718	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1720	}	2440	}
1721		2441
1722	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2443
1726	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1730	};	2448	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2449
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1757		2453
1758	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2456
1761	$path = new cf::path $path;	2457	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2459
1764	$self->enter_link;	2460	$self->enter_link;
1765		2461
1766	(async {	2462	(async {
1767	my $map = cf::map::find $path->as_string;	2463	# *tag paths override both path and x|y
		2464	if ($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	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
		2482	my $map = eval {
		2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
1769		2487	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2488	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
1774		2491
		2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
		2498	}
		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1776	})->prio (1);	2506	})->prio (1);
1777	}	2507	}
1778		2508
1779	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1780		2510
…		…
1782		2512
1783	sub parse_random_map_params {	2513	sub parse_random_map_params {
1784	my ($spec) = @_;	2514	my ($spec) = @_;
1785		2515
1786	my $rmp = { # defaults	2516	my $rmp = { # defaults
1787	xsize => 10,	2517	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2518	ysize => (cf::rndm 15, 40),
		2519	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2520	#layout => string,
1789	};	2521	};
1790		2522
1791	for (split /\n/, $spec) {	2523	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2524	my ($k, $v) = split /\s+/, $_, 2;
1793		2525
…		…
1797	$rmp	2529	$rmp
1798	}	2530	}
1799		2531
1800	sub prepare_random_map {	2532	sub prepare_random_map {
1801	my ($exit) = @_;	2533	my ($exit) = @_;
		2534
		2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2536
1803	# all this does is basically replace the /! path by	2537	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2538	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2539	# that depends on the exit object
1806		2540
1807	my $rmp = parse_random_map_params $exit->msg;	2541	my $rmp = parse_random_map_params $exit->msg;
1808		2542
1809	if ($exit->map) {	2543	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2544	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2545	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2546	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2547	$rmp->{origin_y} = $exit->y;
1814	}	2548	}
1815		2549
1816	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1817		2551
1818	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
		2554	my $meta = "$RANDOMDIR/$md5.meta";
1820		2555
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
		2558	undef $fh;
		2559	aio_rename "$meta~", $meta;
1823		2560
1824	$exit->slaying ("?random/$md5");	2561	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2562	$exit->msg (undef);
1826	}	2563	}
1827	}	2564	}
…		…
1829	sub cf::object::player::enter_exit {	2566	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2567	my ($self, $exit) = @_;
1831		2568
1832	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1833		2570
		2571	if ($exit->slaying eq "/!") {
		2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
		2575	cf::sync_job { prepare_random_map $exit };
		2576	}
		2577
		2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2579	my $hp = $exit->stats->hp;
		2580	my $sp = $exit->stats->sp;
		2581
1834	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1835		2587
1836	(async {	2588	(async {
1837	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2590	unless (eval {
1839	prepare_random_map $exit	2591	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2592
1845	1;	2593	1;
1846	}) {	2594	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2597	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2599
1852	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2601	$self->leave_link;
1854	}	2602	}
1855	})->prio (1);	2603	})->prio (1);
…		…
1868		2616
1869	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1871		2619
1872	utf8::encode $text;	2620	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2622	}
1875		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
1876		2739
1877	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
1878		2741
1879	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2745
1883	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2747	become reliable at some point in the future.
1885		2748
1886	=cut	2749	=cut
1887		2750
1888	sub cf::client::query {	2751	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2760	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2762
1900	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
1902	}	2767	}
1903		2768
1904	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
1905	on_reply => sub {	2775	on_reply => sub {
1906	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
1907		2777
1908	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
1909	# get handled first	2779	# get handled first
1910	my $queue = delete $ns->{query_queue}	2780	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2781	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2782
1913	(shift @$queue)->[1]->($msg);	2783	(shift @$queue)->[1]->($msg);
		2784	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2785
1915	push @{ $ns->{query_queue} }, @$queue;	2786	push @{ $ns->{query_queue} }, @$queue;
1916		2787
1917	if (@{ $ns->{query_queue} } == @$queue) {	2788	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2789	if (@$queue) {
…		…
1920	} else {	2791	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2793	}
1923	}	2794	}
1924	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
1925	);	2822	);
1926		2823
1927	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
1928		2825
1929	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
1972		2869
1973	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
1974		2871
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
1976		2877
1977	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
1978		2879
1979	=pod	2880	=pod
1980		2881
1981	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
1982		2883
1983	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
1984	cf::object::player player	2888	cf::object::player
1985	cf::player peaceful	2889	player
1986	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
1987		2896
1988	=cut	2897	=cut
1989		2898
1990	for (	2899	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
1992	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
1995	) {	2906	) {
1996	no strict 'refs';	2907	no strict 'refs';
…		…
2067	=back	2978	=back
2068		2979
2069	=cut	2980	=cut
2070		2981
2071	#############################################################################	2982	#############################################################################
		2983	# the server's init and main functions
2072		2984
2073	=head2 EXTENSION DATABASE SUPPORT	2985	sub load_facedata($) {
		2986	my ($path) = @_;
2074		2987
2075	Crossfire maintains a very simple database for extension use. It can	2988	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	2989	# for this (global event?)
2077	excludes objects.	2990	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		2991
2079	The parameter C<$family> should best start with the name of the extension	2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		2993
2082	=over 4	2994	warn "loading facedata from $path\n";
2083		2995
2084	=item $hashref = cf::db_get $family	2996	my $facedata;
		2997	0 < aio_load $path, $facedata
		2998	or die "$path: $!";
2085		2999
2086	Return a hashref for use by the extension C<$family>, which can be	3000	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3001
2090	=item $value = cf::db_get $family => $key	3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3004
2092	Returns a single value from the database	3005	# patch in the exptable
2093		3006	$facedata->{resource}{"res/exp_table"} = {
2094	=item cf::db_put $family => $hashref	3007	type => FT_RSRC,
2095		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3009	};
		3010	cf::cede_to_tick;
2145		3011
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3012	{
		3013	my $faces = $facedata->{faceinfo};
2150		3014
2151	sub db_get($;$) {	3015	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}	3017	cf::face::set_visibility $idx, $info->{visibility};
2154	: ($DB->{$_[0]} ||= { })	3018	cf::face::set_magicmap $idx, $info->{magicmap};
2155	}	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2156		3021
2157	sub db_put($$;$) {	3022	cf::cede_to_tick;
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3023	}
2171	);
2172	}
2173		3024
2174	#############################################################################	3025	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
2176		3035
2177	sub cfg_load {	3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
		3100	1
		3101	}
		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
		3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
		3145	sub reload_resources {
		3146	warn "reloading resource files...\n";
		3147
		3148	reload_regions;
		3149	reload_facedata;
		3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
		3155	}
		3156
		3157	sub init {
		3158	reload_resources;
		3159	}
		3160
		3161	sub reload_config {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3163	or return;
2180		3164
2181	local $/;	3165	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2183		3167
…		…
2197		3181
2198	sub main {	3182	sub main {
2199	# we must not ever block the main coroutine	3183	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3184	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3185	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3186	(async {
2202	async { Event::one_event };	3187	Event::one_event;
		3188	})->prio (Coro::PRIO_MAX);
2203	};	3189	};
2204		3190
2205	cfg_load;	3191	reload_config;
2206	db_load;	3192	db_init;
2207	load_extensions;	3193	load_extensions;
		3194
		3195	$TICK_WATCHER->start;
2208	Event::loop;	3196	Event::loop;
2209	}	3197	}
2210		3198
2211	#############################################################################	3199	#############################################################################
2212	# initialisation	3200	# initialisation and cleanup
2213		3201
		3202	# install some emergency cleanup handlers
		3203	BEGIN {
		3204	for my $signal (qw(INT HUP TERM)) {
		3205	Event->signal (
		3206	reentrant => 0,
		3207	data => WF_AUTOCANCEL,
		3208	signal => $signal,
		3209	prio => 0,
		3210	cb => sub {
		3211	cf::cleanup "SIG$signal";
		3212	},
		3213	);
		3214	}
		3215	}
		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
		3255	sub emergency_save() {
		3256	my $freeze_guard = cf::freeze_mainloop;
		3257
		3258	warn "enter emergency perl save\n";
		3259
		3260	cf::sync_job {
		3261	# use a peculiar iteration method to avoid tripping on perl
		3262	# refcount bugs in for. also avoids problems with players
		3263	# and maps saved/destroyed asynchronously.
		3264	warn "begin emergency player save\n";
		3265	for my $login (keys %cf::PLAYER) {
		3266	my $pl = $cf::PLAYER{$login} or next;
		3267	$pl->valid or next;
		3268	$pl->save;
		3269	}
		3270	warn "end emergency player save\n";
		3271
		3272	warn "begin emergency map save\n";
		3273	for my $path (keys %cf::MAP) {
		3274	my $map = $cf::MAP{$path} or next;
		3275	$map->valid or next;
		3276	$map->save;
		3277	}
		3278	warn "end emergency map save\n";
		3279
		3280	warn "begin emergency database checkpoint\n";
		3281	BDB::db_env_txn_checkpoint $DB_ENV;
		3282	warn "end emergency database checkpoint\n";
		3283	};
		3284
		3285	warn "leave emergency perl save\n";
		3286	}
		3287
		3288	sub post_cleanup {
		3289	my ($make_core) = @_;
		3290
		3291	warn Carp::longmess "post_cleanup backtrace"
		3292	if $make_core;
		3293	}
		3294
2214	sub reload() {	3295	sub do_reload_perl() {
2215	# can/must only be called in main	3296	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3298	warn "can only reload from main coroutine";
2218	return;	3299	return;
2219	}	3300	}
2220		3301
2221	warn "reloading...";	3302	warn "reloading...";
2222		3303
2223	my $guard = freeze_mainloop;	3304	warn "entering sync_job";
		3305
		3306	cf::sync_job {
		3307	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3308	cf::emergency_save;
		3309	cf::write_runtime; # external watchdog should not bark
2225		3310
2226	eval {	3311	warn "syncing database to disk";
		3312	BDB::db_env_txn_checkpoint $DB_ENV;
		3313
2227	# if anything goes wrong in here, we should simply crash as we already saved	3314	# if anything goes wrong in here, we should simply crash as we already saved
2228		3315
2229	# cancel all watchers	3316	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	3317	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3318	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	3319	}
2233		3320
		3321	warn "flushing outstanding aio requests";
		3322	for (;;) {
		3323	BDB::flush;
		3324	IO::AIO::flush;
		3325	Coro::cede;
		3326	last unless IO::AIO::nreqs || BDB::nreqs;
		3327	warn "iterate...";
		3328	}
		3329
		3330	++$RELOAD;
		3331
2234	# cancel all extension coros	3332	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3333	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3334	%EXT_CORO = ();
2237		3335
2238	# unload all extensions	3336	warn "removing commands";
2239	for (@exts) {	3337	%COMMAND = ();
		3338
		3339	warn "removing ext/exti commands";
		3340	%EXTCMD = ();
		3341	%EXTICMD = ();
		3342
		3343	warn "unloading/nuking all extensions";
		3344	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3345	warn "... unloading $pkg";
2241	unload_extension $_;	3346
		3347	if (my $cb = $pkg->can ("unload")) {
		3348	eval {
		3349	$cb->($pkg);
		3350	1
		3351	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3352	}
2243		3353
		3354	warn "... nuking $pkg";
		3355	Symbol::delete_package $pkg;
		3356	}
		3357
2244	# unload all modules loaded from $LIBDIR	3358	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3359	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3361
2248	warn "removing <$k>";	3362	warn "... unloading $k";
2249	delete $INC{$k};	3363	delete $INC{$k};
2250		3364
2251	$k =~ s/\.pm$//;	3365	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3366	$k =~ s/\//::/g;
2253		3367
…		…
2256	}	3370	}
2257		3371
2258	Symbol::delete_package $k;	3372	Symbol::delete_package $k;
2259	}	3373	}
2260		3374
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3375	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3378
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3379	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2274		3382
2275	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3384	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2278		3386
2279	# reload cf.pm	3387	warn "unload completed, starting to reload now";
		3388
2280	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2281	require cf;	3390	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3392
2284	# load config and database again	3393	warn "loading config and database again";
2285	cf::cfg_load;	3394	cf::reload_config;
2286	cf::db_load;
2287		3395
2288	# load extensions
2289	warn "load extensions";	3396	warn "loading extensions";
2290	cf::load_extensions;	3397	cf::load_extensions;
2291		3398
2292	# reattach attachments to objects	3399	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3400	_global_reattach; # objects, sockets
2294	_global_reattach;	3401	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2296	};	3403	warn "reattaching attachments to players";
		3404	reattach $_ for values %PLAYER;
2297		3405
2298	if ($@) {	3406	warn "leaving sync_job";
		3407
		3408	1
		3409	} or do {
2299	warn $@;	3410	warn $@;
2300	warn "error while reloading, exiting.";	3411	warn "error while reloading, exiting.";
2301	exit 1;	3412	exit 1;
2302	}	3413	};
2303		3414
2304	warn "reloaded successfully";	3415	warn "reloaded";
2305	};	3416	};
2306		3417
2307	#############################################################################	3418	our $RELOAD_WATCHER; # used only during reload
2308		3419
2309	unless ($LINK_MAP) {	3420	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
2311		3423
2312	$LINK_MAP->width (41);	3424	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3425	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	3426	after => 0,
		3427	data => WF_AUTOCANCEL,
2322	cb => sub {	3428	cb => sub {
2323	$_[0]->w->cancel;	3429	do_reload_perl;
2324		3430	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	3431	},
2343		3432	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3433	}
2349
2350	register "<global>", __PACKAGE__;
2351		3434
2352	register_command "reload" => sub {	3435	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2354		3437
2355	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3439	$who->message ("reloading server.");
		3440	async { reload_perl };
2359	}	3441	}
2360	};	3442	};
2361		3443
2362	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
		3445
		3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
		3468
		3469	our $stat_fh;
		3470	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2363		3471
2364	$TICK_WATCHER = Event->timer (	3472	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3473	reentrant => 0,
		3474	parked => 1,
2366	prio => 0,	3475	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3476	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3477	data => WF_AUTOCANCEL,
2369	cb => sub {	3478	cb => sub {
		3479	if ($Coro::current != $Coro::main) {
		3480	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3481	unless ++$bug_warning > 10;
		3482	return;
		3483	}
		3484
		3485	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3486
		3487	$NOW = $tick_start = Event::time;
		3488
2370	cf::server_tick; # one server iteration	3489	cf::server_tick; # one server iteration
		3490
2371	$RUNTIME += $TICK;	3491	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3492	$NEXT_TICK += $TICK;
2373		3493
		3494	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3495	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3496	Coro::async_pool {
		3497	write_runtime
		3498	or warn "ERROR: unable to write runtime file: $!";
		3499	};
		3500	}
		3501
		3502	# my $AFTER = Event::time;
		3503	# warn $AFTER - $NOW;#d#
		3504
		3505	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3506	$sig->send;
		3507	}
		3508	while (my $sig = shift @WAIT_FOR_TICK) {
		3509	$sig->send;
		3510	}
		3511
		3512	$NOW = Event::time;
		3513
2374	# if we are delayed by four ticks or more, skip them all	3514	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3515	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3516
2377	$TICK_WATCHER->at ($NEXT_TICK);	3517	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3518	$TICK_WATCHER->start;
		3519
		3520	$LOAD = ($NOW - $tick_start) / $TICK;
		3521	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3522
		3523	_post_tick;
		3524
		3525	# gather some statistics#d#
		3526	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3527	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2379	},	3528	},
2380	);	3529	);
2381		3530
		3531	{
		3532	BDB::min_parallel 8;
2382	IO::AIO::max_poll_time $TICK * 0.2;	3533	BDB::max_poll_time $TICK * 0.1;
2383		3534	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3535	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3536	fd => BDB::poll_fileno,
2386	poll => 'r',	3537	poll => 'r',
2387	prio => 5,	3538	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3539	data => WF_AUTOCANCEL,
		3540	cb => \&BDB::poll_cb,
		3541	);
		3542
		3543	BDB::set_sync_prepare {
		3544	my $status;
		3545	my $current = $Coro::current;
		3546	(
		3547	sub {
		3548	$status = $!;
		3549	$current->ready; undef $current;
		3550	},
		3551	sub {
		3552	Coro::schedule while defined $current;
		3553	$! = $status;
		3554	},
		3555	)
		3556	};
		3557
		3558	unless ($DB_ENV) {
		3559	$DB_ENV = BDB::db_env_create;
		3560
		3561	cf::sync_job {
		3562	eval {
		3563	BDB::db_env_open
		3564	$DB_ENV,
		3565	$BDBDIR,
		3566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3568	0666;
		3569
		3570	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3571
		3572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3573	| BDB::LOG_AUTOREMOVE, 1);
		3574	$DB_ENV->set_lk_detect;
		3575	};
		3576
		3577	cf::cleanup "db_env_open(db): $@" if $@;
		3578	};
		3579	}
		3580
		3581	$BDB_CHECKPOINT_WATCHER = Event->timer (
2394	after => 0,	3582	after => 11,
2395	interval => 10,	3583	interval => 60,
		3584	hard => 1,
		3585	prio => 0,
		3586	data => WF_AUTOCANCEL,
2396	cb => sub {	3587	cb => sub {
2397	(Coro::unblock_sub {	3588	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2398	write_runtime	3589	},
2399	or warn "ERROR: unable to write runtime file: $!";	3590	);
		3591	$BDB_TRICKLE_WATCHER = Event->timer (
		3592	after => 5,
		3593	interval => 10,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3599	},
		3600	);
		3601	}
		3602
		3603	{
		3604	IO::AIO::min_parallel 8;
		3605
		3606	undef $Coro::AIO::WATCHER;
		3607	IO::AIO::max_poll_time $TICK * 0.1;
		3608	$AIO_POLL_WATCHER = Event->io (
		3609	reentrant => 0,
		3610	data => WF_AUTOCANCEL,
		3611	fd => IO::AIO::poll_fileno,
		3612	poll => 'r',
		3613	prio => 6,
		3614	cb => \&IO::AIO::poll_cb,
		3615	);
		3616	}
		3617
		3618	my $_log_backtrace;
		3619
		3620	sub _log_backtrace {
		3621	my ($msg, @addr) = @_;
		3622
		3623	$msg =~ s/\n//;
		3624
		3625	# limit the # of concurrent backtraces
		3626	if ($_log_backtrace < 2) {
		3627	++$_log_backtrace;
		3628	async {
		3629	my @bt = fork_call {
		3630	@addr = map { sprintf "%x", $_ } @addr;
		3631	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3632	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3633	or die "addr2line: $!";
		3634
		3635	my @funcs;
		3636	my @res = <$fh>;
		3637	chomp for @res;
		3638	while (@res) {
		3639	my ($func, $line) = splice @res, 0, 2, ();
		3640	push @funcs, "[$func] $line";
		3641	}
		3642
		3643	@funcs
		3644	};
		3645
		3646	LOG llevInfo, "[ABT] $msg\n";
		3647	LOG llevInfo, "[ABT] $_\n" for @bt;
		3648	--$_log_backtrace;
2400	})->();	3649	};
		3650	} else {
		3651	LOG llevInfo, "[ABT] $msg\n";
		3652	LOG llevInfo, "[ABT] [suppressed]\n";
2401	},	3653	}
2402	);	3654	}
		3655
		3656	# load additional modules
		3657	use cf::pod;
2403		3658
2404	END { cf::emergency_save }	3659	END { cf::emergency_save }
2405		3660
2406	1	3661	1
2407		3662

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