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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		95
65	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
68	binmode STDOUT;	103	binmode STDOUT;
69	binmode STDERR;	104	binmode STDERR;
70		105
71	# read virtual server time, if available	106	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
76	}	111	}
77		112
78	mkdir cf::localdir;	113	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		115
84	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
85		119
86	#############################################################################	120	#############################################################################
87		121
88	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
89		123
…		…
96	=item $cf::RUNTIME	130	=item $cf::RUNTIME
97		131
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	133	every server tick.
100		134
101	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		138
103	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
105		143
106	=item $cf::NOW	144	=item $cf::NOW
107		145
108	The time of the last (current) server tick.	146	The time of the last (current) server tick.
109		147
110	=item $cf::TICK	148	=item $cf::TICK
111		149
112	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
113		161
114	=item %cf::CFG	162	=item %cf::CFG
115		163
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	165	from wherever your confdir points to.
118		166
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		168
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
125		178
126	=back	179	=back
127		180
128	=cut	181	=cut
129		182
130	BEGIN {	183	BEGIN {
131	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	185	my $msg = join "", @_;
133	utf8::encode $msg;
134		186
135	$msg .= "\n"	187	$msg .= "\n"
136	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		191
138	LOG llevError, $msg;	192	LOG llevError, $msg;
139	};	193	};
140	}	194	}
141		195
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		203
149	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	205	# within the Safe compartment.
151	for my $pkg (qw(	206	for my $pkg (qw(
152	cf::global cf::attachable	207	cf::global cf::attachable
…		…
160	}	215	}
161		216
162	$Event::DIED = sub {	217	$Event::DIED = sub {
163	warn "error in event callback: @_";	218	warn "error in event callback: @_";
164	};	219	};
		220
		221	#############################################################################
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
223	Wait until the given lock is available and then acquires it and returns	271	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
226	returned.	274	returned.
227		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
228	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
230		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
231	=cut	286	=cut
232		287
233	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
234		290
235	sub lock_wait($) {	291	sub lock_wait($) {
236	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
237		298
238	# wait for lock, if any	299	# wait for lock, if any
239	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	302	Coro::schedule;
…		…
247		308
248	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
249	lock_wait $key;	310	lock_wait $key;
250		311
251	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
252		314
253	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
256	}	319	}
257	}	320	}
258		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
		326	}
		327
259	sub freeze_mainloop {	328	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
261		330
262	my $guard = Coro::guard { $TICK_WATCHER->start };	331	my $guard = Coro::guard {
		332	$TICK_WATCHER->start;
		333	};
263	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
264	$guard	335	$guard
		336	}
		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
265	}	392	}
266		393
267	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
268		395
269	Currently the same as Coro::async_pool, meaning you cannot use	396	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		401
275	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
276		403
277	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
278		405
279	The design of crossfire+ requires that the main coro ($Coro::main) is	406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	407	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
282		410
283	If it must be done, put the blocking parts into C<sync_job>. This will run	411	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	412	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	413	server will be frozen during this time, so the block should either finish
286	fast or be very important.	414	fast or be very important.
…		…
289		417
290	sub sync_job(&) {	418	sub sync_job(&) {
291	my ($job) = @_;	419	my ($job) = @_;
292		420
293	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
294	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
296		426
297	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
309		439
310	while ($busy) {	440	while ($busy) {
311	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
312	}	442	}
313		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
314	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
315	} else {	452	} else {
316	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
317		454
318	$job->()	455	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
338		475
339	$coro	476	$coro
340	}	477	}
341		478
342	sub write_runtime {	479	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		480
345	my $runtime = cf::localdir . "/runtime";	481	Executes the given code block with the given arguments in a seperate
		482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
346		485
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	486	=cut
348	or return;
349		487
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	488	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	my ($cb, @args) = @_;
352	and return;
353		490
354	aio_fsync $fh	491	# we seemingly have to make a local copy of the whole thing,
355	and return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
356		494
357	close $fh	495	my @res = Coro::Util::fork_eval {
358	or return;	496	reset_signals;
		497	&$cb
		498	}, @args;
359		499
360	aio_rename "$runtime~", $runtime	500	wantarray ? @res : $res[-1]
361	and return;	501	}
362		502
		503	=item $value = cf::db_get $family => $key
		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
363	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	628	}
365		629
366	=back	630	=back
367		631
368	=cut	632	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
377		641
378	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	644	Crossfire TRT).
381		645
382	=over 4	646	=over 4
383		647
384	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
385		649
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	763	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	764	our @CB_MAP = ();
501		765
502	my %attachment;	766	my %attachment;
503		767
		768	sub cf::attachable::thawer_merge {
		769	# simply override everything except _meta
		770	local $_[0]{_meta};
		771	%{$_[0]} = %{$_[1]};
		772	}
		773
504	sub _attach_cb($$$$) {	774	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	775	my ($registry, $event, $prio, $cb) = @_;
506		776
507	use sort 'stable';	777	use sort 'stable';
508		778
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
543		813
544	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		818
549	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	820	my $pkg = shift @arg;
551		821
552	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
582	}	852	}
583		853
584	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
585	} else {	855	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	857	}
588		858
589	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
590	}	860	}
591		861
…		…
593	if (ref $_[0]) {	863	if (ref $_[0]) {
594	_object_attach @_;	864	_object_attach @_;
595	} else {	865	} else {
596	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
597	}	867	}
		868	_recalc_want;
598	};	869	};
599		870
600	# all those should be optimised	871	# all those should be optimised
601	sub cf::attachable::detach {	872	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
606	reattach ($obj);	877	reattach ($obj);
607	} else {	878	} else {
608	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
609	}	880	}
		881	_recalc_want;
610	};	882	};
611		883
612	sub cf::attachable::attached {	884	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
614		886
…		…
629	";	901	";
630	die if $@;	902	die if $@;
631	}	903	}
632		904
633	our $override;	905	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		907
636	sub override {	908	sub override {
637	$override = 1;	909	$override = 1;
638	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
639	}	911	}
640		912
641	sub do_invoke {	913	sub do_invoke {
642	my $event = shift;	914	my $event = shift;
643	my $callbacks = shift;	915	my $callbacks = shift;
644		916
645	@invoke_results = ();	917	@INVOKE_RESULTS = ();
646		918
647	local $override;	919	local $override;
648		920
649	for (@$callbacks) {	921	for (@$callbacks) {
650	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
667		939
668	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
669		941
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		945
674	=back	946	=back
675		947
676	=cut	948	=cut
677		949
678	#############################################################################	950	#############################################################################
679	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
680		963
681	sub reattach {	964	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	966	my ($obj) = @_;
		967
		968	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		969
685	my $registry = $obj->registry;	970	my $registry = $obj->registry;
686		971
687	@$registry = ();	972	@$registry = ();
688		973
…		…
727	);	1012	);
728		1013
729	sub object_freezer_save {	1014	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
731		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
732	sync_job {	1019	sync_job {
733	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
736		1024
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1029	close $fh;
742		1030
743	if (@$objs) {	1031	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1037	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
751	}	1039	}
752	} else {	1040	} else {
753	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
759	}	1047	}
760	} else {	1048	} else {
761	aio_unlink $filename;	1049	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
763	}	1051	}
764	}	1052	};
		1053
		1054	undef $guard;
765	}	1055	}
766		1056
767	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
769		1059
…		…
774		1064
775	sub object_thawer_load {	1065	sub object_thawer_load {
776	my ($filename) = @_;	1066	my ($filename) = @_;
777		1067
778	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
779		1071
780	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
781	or return;	1073	or return;
782		1074
783	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
785	or return;	1077	or return;
		1078
		1079	undef $guard;
786	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1081	}
788		1082
		1083	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
791	return ($data, $av);	1087	($data, $av)
792	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
793		1095
794	#############################################################################	1096	#############################################################################
795	# command handling &c	1097	# command handling &c
796		1098
797	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1113	}
812		1114
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1116
815	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
816		1122
817	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
818	called.	1124	called.
819		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
820	=cut	1137	=cut
821		1138
822	sub register_extcmd {	1139	sub register_extcmd {
823	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
824		1141
825	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
826	}	1149	}
827		1150
828	cf::player->attach (	1151	cf::player->attach (
829	on_command => sub {	1152	on_command => sub {
830	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1162	cf::override;
840	},	1163	},
841	on_extcmd => sub {	1164	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
843		1166
844	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1168
846	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
852	} else {	1184	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1186	}
855		1187
856	cf::override;	1188	cf::override;
857	},	1189	},
858	);	1190	);
859		1191
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
895	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1197	next unless -r $path;
897	eval {	1198
898	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
899	1	1256	}
900	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
901	}	1262	};
902	}	1263	}
903		1264
904	#############################################################################	1265	#############################################################################
905		1266
		1267	=back
		1268
906	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
907		1270
908	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
909		1272
910	=cut	1273	=cut
…		…
915		1278
916	=head3 cf::player	1279	=head3 cf::player
917		1280
918	=over 4	1281	=over 4
919		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
920	=item cf::player::find $login	1297	=item cf::player::find $login
921		1298
922	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
923		1300
924	=cut	1301	=cut
925		1302
926	sub playerdir($) {	1303	sub playerdir($) {
927	cf::localdir	1304	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1306	}
933		1307
934	sub path($) {	1308	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1310
937	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
938	}	1312	}
939		1313
940	sub find_active($) {	1314	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
945		1319
946	sub exists($) {	1320	sub exists($) {
947	my ($login) = @_;	1321	my ($login) = @_;
948		1322
949	$cf::PLAYER{$login}	1323	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1324	or cf::sync_job { !aio_stat path $login }
951	}	1325	}
952		1326
953	sub find($) {	1327	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1328	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1329	my $login = $_[0];
956		1330
957	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
958		1332
959	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
961	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
963	}	1350	}
964	}	1351	}
965	}	1352	}
966		1353
…		…
976		1363
977	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
979		1366
980	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
981	Coro::cede;	1368	cf::cede_to_tick;
982	}	1369	}
983		1370
984	sub new($) {	1371	sub new($) {
985	my ($login) = @_;	1372	my ($login) = @_;
986		1373
…		…
992	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
993		1380
994	$self	1381	$self
995	}	1382	}
996		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
		1392	}
		1393
997	=item $pl->quit_character	1394	=item $pl->quit_character
998		1395
999	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1397	be destroyed. May block for a long time.
1001		1398
1002	=cut	1399	=cut
1003		1400
1004	sub quit_character {	1401	sub quit_character {
1005	my ($pl) = @_;	1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
1006		1405
1007	$pl->{deny_save} = 1;	1406	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1407	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1408
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1414	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1415	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1416	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1417	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1418	$pl->destroy;
		1419
		1420	my $prefix = qr<^~\Q$name\E/>;
		1421
		1422	# nuke player maps
		1423	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1424
1020	IO::AIO::aio_rmtree $temp;	1425	IO::AIO::aio_rmtree $temp;
		1426	}
		1427
		1428	=item $pl->kick
		1429
		1430	Kicks a player out of the game. This destroys the connection.
		1431
		1432	=cut
		1433
		1434	sub kick {
		1435	my ($pl, $kicker) = @_;
		1436
		1437	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1438	$pl->killer ("kicked");
		1439	$pl->ns->destroy;
1021	}	1440	}
1022		1441
1023	=item cf::player::list_logins	1442	=item cf::player::list_logins
1024		1443
1025	Returns am arrayref of all valid playernames in the system, can take a	1444	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1027		1446
1028	=cut	1447	=cut
1029		1448
1030	sub list_logins {	1449	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1451	or return [];
1033		1452
1034	my @logins;	1453	my @logins;
1035		1454
1036	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1040		1464
1041	utf8::decode $login;	1465	utf8::decode $login;
1042	push @logins, $login;	1466	push @logins, $login;
1043	}	1467	}
1044		1468
…		…
1052		1476
1053	=cut	1477	=cut
1054		1478
1055	sub maps($) {	1479	sub maps($) {
1056	my ($pl) = @_;	1480	my ($pl) = @_;
		1481
		1482	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1483
1058	my $files = aio_readdir playerdir $pl	1484	my $files = aio_readdir playerdir $pl
1059	or return;	1485	or return;
1060		1486
1061	my @paths;	1487	my @paths;
…		…
1063	for (@$files) {	1489	for (@$files) {
1064	utf8::decode $_;	1490	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1491	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1492	next unless /^$PATH_SEP/o;
1067		1493
1068	s/\.map$//;	1494	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1495	}
1071		1496
1072	\@paths	1497	\@paths
1073	}	1498	}
1074		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1076		1552
1077	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1078		1554
1079	=cut	1555	=cut
1080		1556
1081	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1083		1559
1084	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1561	}
1088		1562
1089	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
		1590	my ($path) = @_;
		1591
		1592	my ($match, $specificity);
		1593
		1594	for my $region (list) {
		1595	if ($region->{match} && $path =~ $region->{match}) {
		1596	($match, $specificity) = ($region, $region->specificity)
		1597	if $region->specificity > $specificity;
		1598	}
		1599	}
		1600
		1601	$match
		1602	}
1090		1603
1091	=back	1604	=back
1092
1093		1605
1094	=head3 cf::map	1606	=head3 cf::map
1095		1607
1096	=over 4	1608	=over 4
1097		1609
…		…
1101		1613
1102	use Fcntl;	1614	use Fcntl;
1103	use Coro::AIO;	1615	use Coro::AIO;
1104		1616
1105	use overload	1617	use overload
1106	'""' => \&as_string;	1618	'""' => \&as_string,
		1619	fallback => 1;
1107		1620
1108	our $MAX_RESET = 3600;	1621	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1622	our $DEFAULT_RESET = 3000;
1110		1623
1111	sub generate_random_map {	1624	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1625	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1626	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1627	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1638	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1639	)
1128	}	1640	}
1129		1641
		1642	=item cf::map->register ($regex, $prio)
		1643
		1644	Register a handler for the map path matching the given regex at the
		1645	givne priority (higher is better, built-in handlers have priority 0, the
		1646	default).
		1647
		1648	=cut
		1649
1130	sub register {	1650	sub register {
1131	my (undef, $regex) = @_;	1651	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1652	my $pkg = caller;
1133		1653
1134	no strict;	1654	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1655	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1656
1137	$EXT_MAP{$pkg} = qr<$regex>;	1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1658	}
1139		1659
1140	# also paths starting with '/'	1660	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1662
		1663	sub thawer_merge {
		1664	my ($self, $merge) = @_;
		1665
		1666	# we have to keep some variables in memory intact
		1667	local $self->{path};
		1668	local $self->{load_path};
		1669
		1670	$self->SUPER::thawer_merge ($merge);
		1671	}
1142		1672
1143	sub normalise {	1673	sub normalise {
1144	my ($path, $base) = @_;	1674	my ($path, $base) = @_;
		1675
		1676	$path = "$path"; # make sure its a string
		1677
		1678	$path =~ s/\.map$//;
1145		1679
1146	# map plan:	1680	# map plan:
1147	#	1681	#
1148	# /! non-realised random map exit (special hack!)	1682	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1683	# {... are special paths that are not being touched
…		…
1177		1711
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1712	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1713
1180	$path = normalise $path, $base;	1714	$path = normalise $path, $base;
1181		1715
1182	for my $pkg (keys %EXT_MAP) {	1716	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1717	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1718	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1719	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1187	return $self;	1721	return $self;
1188	}	1722	}
1189	}	1723	}
1190		1724
1191	Carp::carp "unable to resolve path '$path'.";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1726	()
1193	}	1727	}
1194		1728
1195	sub init {	1729	sub init {
1196	my ($self) = @_;	1730	my ($self) = @_;
…		…
1211		1745
1212	# the original (read-only) location	1746	# the original (read-only) location
1213	sub load_path {	1747	sub load_path {
1214	my ($self) = @_;	1748	my ($self) = @_;
1215		1749
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1750	"$MAPDIR/$self->{path}.map"
1217	}	1751	}
1218		1752
1219	# the temporary/swap location	1753	# the temporary/swap location
1220	sub save_path {	1754	sub save_path {
1221	my ($self) = @_;	1755	my ($self) = @_;
1222		1756
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1758	"$TMPDIR/$path.map"
1225	}	1759	}
1226		1760
1227	# the unique path, undef == no special unique path	1761	# the unique path, undef == no special unique path
1228	sub uniq_path {	1762	sub uniq_path {
1229	my ($self) = @_;	1763	my ($self) = @_;
1230		1764
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1766	"$UNIQUEDIR/$path"
1233	}	1767	}
1234		1768
1235	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1236	# all maps in C++...	1770	# all maps in C++...
1237	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1239		1773
1240	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1242	}	1776	}
1243		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1244	sub unlink_save {	1786	sub unlink_save {
1245	my ($self) = @_;	1787	my ($self) = @_;
1246		1788
1247	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1791	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1792	}
1251		1793
1252	sub load_header_from($) {	1794	sub load_header_from($) {
1253	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1254		1796
1255	utf8::encode $path;	1797	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1257	or return;	1799	or return;
1258		1800
1259	$self->_load_header ($path)	1801	$self->_load_header ($f)
1260	or return;	1802	or return;
1261		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
		1806
1262	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1263		1808
1264	1	1809	1
1265	}	1810	}
1266		1811
1267	sub load_orig {	1812	sub load_header_orig {
1268	my ($self) = @_;	1813	my ($self) = @_;
1269		1814
1270	$self->load_header_from ($self->load_path)	1815	$self->load_header_from ($self->load_path)
1271	}	1816	}
1272		1817
1273	sub load_temp {	1818	sub load_header_temp {
1274	my ($self) = @_;	1819	my ($self) = @_;
1275		1820
1276	$self->load_header_from ($self->save_path)	1821	$self->load_header_from ($self->save_path)
		1822	}
		1823
		1824	sub prepare_temp {
		1825	my ($self) = @_;
		1826
		1827	$self->last_access ((delete $self->{last_access})
		1828	|| $cf::RUNTIME); #d#
		1829	# safety
		1830	$self->{instantiate_time} = $cf::RUNTIME
		1831	if $self->{instantiate_time} > $cf::RUNTIME;
		1832	}
		1833
		1834	sub prepare_orig {
		1835	my ($self) = @_;
		1836
		1837	$self->{load_original} = 1;
		1838	$self->{instantiate_time} = $cf::RUNTIME;
		1839	$self->last_access ($cf::RUNTIME);
		1840	$self->instantiate;
1277	}	1841	}
1278		1842
1279	sub load_header {	1843	sub load_header {
1280	my ($self) = @_;	1844	my ($self) = @_;
1281		1845
1282	if ($self->load_temp) {	1846	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1847	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1848	} else {
1289	$self->load_orig	1849	$self->load_header_orig
1290	or return;	1850	or return;
1291		1851	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1852	}
		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
		1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
1297		1859
1298	1	1860	1
1299	}	1861	}
1300		1862
1301	sub find;	1863	sub find;
1302	sub find {	1864	sub find {
1303	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1304		1866
1305	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1306		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1308		1871
1309	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1311	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1312	or return;	1877	or return;
1313		1878
1314	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1315		1880
1316	$map->load_header	1881	$map->load_header
1317	or return;	1882	or return;
1318		1883
1319	if ($map->should_reset) {	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1885	# doing this can freeze the server in a sync job, obviously
		1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1320	$map->reset;	1889	$map->reset;
1321	undef $guard;
1322	$map = find $path	1890	return find $path;
1323	or return;
1324	}	1891	}
1325		1892
1326	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1327	}	1894	}
1328	}	1895	}
		1896
		1897	sub pre_load { }
		1898	sub post_load { }
1329		1899
1330	sub load {	1900	sub load {
1331	my ($self) = @_;	1901	my ($self) = @_;
1332		1902
		1903	local $self->{deny_reset} = 1; # loading can take a long time
		1904
1333	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1335		1909
		1910	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		1912
1338	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1339		1914
1340	$self->alloc;	1915	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	1916
		1917	$self->pre_load;
		1918	cf::cede_to_tick;
		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1342	or return;	1923	or return;
1343		1924
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1926	if delete $self->{load_original};
1346		1927
1347	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	1929	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	1932	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1352	}	1936	}
1353	}	1937	}
1354		1938
1355	Coro::cede;	1939	$f->resolve_delayed_derefs;
1356		1940
		1941	cf::cede_to_tick;
1357	# now do the right thing for maps	1942	# now do the right thing for maps
1358	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1945	unless $self->difficulty;
1368	Coro::cede;	1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1369	$self->activate;	1955	$self->activate;
1370	}	1956	}
1371		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
		1962	}
		1963
		1964	$self->post_load;
1373	}	1965	}
1374		1966
1375	sub customise_for {	1967	sub customise_for {
1376	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1377		1969
1378	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1971	if $self->per_player;
1380		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1381	$self	1976	$self
1382	}	1977	}
1383		1978
1384	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	1980	sub load_neighbours {
1386	my ($map) = @_;	1981	my ($map) = @_;
1387		1982
1388	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1389		1984
1390	for (0 .. 3) {	1985	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1392	or next;	1987	or next;
1393	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1394	or next;	1989	or next;
1395	$neigh->load;	1990	$neigh->load;
1396		1991
		1992	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	1995	}
1400		1996
1401	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1403	or next;	2000	or next;
1404	$neigh->load;	2001	$neigh->load;
1405	}	2002	}
1406	}	2003	}
1407		2004
…		…
1412	}	2009	}
1413		2010
1414	sub do_load_sync {	2011	sub do_load_sync {
1415	my ($map) = @_;	2012	my ($map) = @_;
1416		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1417	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1418	}	2018	}
1419		2019
1420	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2021	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2022
1434	sub find_async {	2023	sub find_async {
1435	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1436		2025
1437	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1438		2027
1439	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2030	}
		2031
		2032	$MAP_PREFETCH{$path} |= $load;
		2033
		2034	$MAP_PREFETCHER ||= cf::async {
		2035	while (%MAP_PREFETCH) {
		2036	while (my ($k, $v) = each %MAP_PREFETCH) {
		2037	if (my $map = find $k) {
		2038	$map->load if $v;
		2039	}
		2040
		2041	delete $MAP_PREFETCH{$k};
		2042	}
		2043	}
		2044	undef $MAP_PREFETCHER;
1441	}	2045	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2046	$MAP_PREFETCHER->prio (6);
1445		2047
1446	()	2048	()
1447	}	2049	}
1448		2050
1449	sub save {	2051	sub save {
1450	my ($self) = @_;	2052	my ($self) = @_;
1451		2053
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2055
1454	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1455		2057
1456	return unless $self->dirty;	2058	return unless $self->dirty;
1457		2059
…		…
1480	my ($self) = @_;	2082	my ($self) = @_;
1481		2083
1482	# save first because save cedes	2084	# save first because save cedes
1483	$self->save;	2085	$self->save;
1484		2086
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2088
1487	return if $self->players;	2089	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2091	return if $self->{deny_save};
1490		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2097	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2098	}
1494		2099
1495	sub reset_at {	2100	sub reset_at {
1496	my ($self) = @_;	2101	my ($self) = @_;
1497		2102
1498	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1501		2105
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2108
…		…
1509	my ($self) = @_;	2113	my ($self) = @_;
1510		2114
1511	$self->reset_at <= $cf::RUNTIME	2115	$self->reset_at <= $cf::RUNTIME
1512	}	2116	}
1513		2117
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2118	sub reset {
1529	my ($self) = @_;	2119	my ($self) = @_;
1530		2120
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2122
1533	return if $self->players;	2123	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2124
1536	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
		2126
		2127	$self->in_memory (cf::MAP_SWAPPED);
		2128
		2129	# need to save uniques path
		2130	unless ($self->{deny_save}) {
		2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2132
		2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2134	if $uniq;
		2135	}
1537		2136
1538	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1539		2138
1540	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2141	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2142
1545	$self->unlink_save;	2143	$self->unlink_save;
1546	$self->destroy;	2144	$self->destroy;
1547	}	2145	}
1548		2146
1549	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1550		2148
1551	sub nuke {	2149	sub nuke {
1552	my ($self) = @_;	2150	my ($self) = @_;
1553		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
		2155	delete $cf::MAP{$self->path};
		2156
		2157	$self->unlink_save;
		2158
		2159	bless $self, "cf::map";
		2160	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2164
		2165	$cf::MAP{$self->path} = $self;
		2166	}
		2167
1557	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1558	}	2205	}
1559		2206
1560	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1561		2208
1562	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2210	instantiated unique items. May block.
1564		2211
1565	=cut	2212	=cut
1566		2213
1567	sub unique_maps() {	2214	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2215	[
1569	or return;	2216	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2217	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2218	/\.map$/
1579	push @paths, $_;	2219	? normalise $_
		2220	: ()
		2221	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2222	]
1581
1582	\@paths
1583	}	2223	}
1584		2224
1585	package cf;	2225	package cf;
1586		2226
1587	=back	2227	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1606	}	2246	}
1607		2247
1608	sub inv_recursive {	2248	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1610	}	2281	}
1611		2282
1612	package cf;	2283	package cf;
1613		2284
1614	=back	2285	=back
…		…
1633		2304
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2306
1636	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1638	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1641	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1642	}	2332	}
1643		2333
1644	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1645		2335
1646	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2368	=cut
1679		2369
1680	sub link_map {	2370	sub link_map {
1681	unless ($LINK_MAP) {	2371	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2372	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2373	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2374	$LINK_MAP->load;
1685	}	2375	}
1686		2376
1687	$LINK_MAP	2377	$LINK_MAP
1688	}	2378	}
…		…
1693	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1694		2384
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2386
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1699		2389
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2391	}
1702		2392
1703	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1705		2397
1706	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1707		2399
1708	unless ($map) {	2400	unless ($map) {
1709	# restore original map position	2401	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1726		2418
1727	$map->load;	2419	$map->load;
1728	$map->load_diag;	2420	$map->load_neighbours;
1729		2421
1730	return unless $self->contr->active;	2422	return unless $self->contr->active;
1731	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1733	}	2427	}
1734		2428
1735	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2430
1739	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1743	};	2435	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2436
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1770		2440
1771	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2446
1774	$self->enter_link;	2447	$self->enter_link;
1775		2448
1776	(async {	2449	(async {
		2450	my $map = eval {
1777	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
1779		2455	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2456	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
1784		2459
		2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
		2466	}
		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1786	})->prio (1);	2474	})->prio (1);
1787	}	2475	}
1788		2476
1789	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1790		2478
…		…
1792		2480
1793	sub parse_random_map_params {	2481	sub parse_random_map_params {
1794	my ($spec) = @_;	2482	my ($spec) = @_;
1795		2483
1796	my $rmp = { # defaults	2484	my $rmp = { # defaults
1797	xsize => 10,	2485	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2486	ysize => (cf::rndm 15, 40),
		2487	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2488	#layout => string,
1799	};	2489	};
1800		2490
1801	for (split /\n/, $spec) {	2491	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2492	my ($k, $v) = split /\s+/, $_, 2;
1803		2493
…		…
1807	$rmp	2497	$rmp
1808	}	2498	}
1809		2499
1810	sub prepare_random_map {	2500	sub prepare_random_map {
1811	my ($exit) = @_;	2501	my ($exit) = @_;
		2502
		2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2504
1813	# all this does is basically replace the /! path by	2505	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2506	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2507	# that depends on the exit object
1816		2508
1817	my $rmp = parse_random_map_params $exit->msg;	2509	my $rmp = parse_random_map_params $exit->msg;
1818		2510
1819	if ($exit->map) {	2511	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2512	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2513	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2514	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2515	$rmp->{origin_y} = $exit->y;
1824	}	2516	}
1825		2517
1826	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1827		2519
1828	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
		2522	my $meta = "$RANDOMDIR/$md5.meta";
1830		2523
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
		2526	undef $fh;
		2527	aio_rename "$meta~", $meta;
1833		2528
1834	$exit->slaying ("?random/$md5");	2529	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2530	$exit->msg (undef);
1836	}	2531	}
1837	}	2532	}
…		…
1839	sub cf::object::player::enter_exit {	2534	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2535	my ($self, $exit) = @_;
1841		2536
1842	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1843		2538
		2539	if ($exit->slaying eq "/!") {
		2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
		2543	cf::sync_job { prepare_random_map $exit };
		2544	}
		2545
		2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2547	my $hp = $exit->stats->hp;
		2548	my $sp = $exit->stats->sp;
		2549
1844	$self->enter_link;	2550	$self->enter_link;
		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
1845		2555
1846	(async {	2556	(async {
1847	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2558	unless (eval {
1849	prepare_random_map $exit	2559	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2560
1855	1;	2561	1;
1856	}) {	2562	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2565	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2567
1862	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2569	$self->leave_link;
1864	}	2570	}
1865	})->prio (1);	2571	})->prio (1);
…		…
1878		2584
1879	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1881		2587
1882	utf8::encode $text;	2588	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2590	}
1885		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
1886		2707
1887	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1888		2709
1889	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2713
1893	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2715	become reliable at some point in the future.
1895		2716
1896	=cut	2717	=cut
1897		2718
1898	sub cf::client::query {	2719	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2728	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2730
1910	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
1912	}	2735	}
1913		2736
1914	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
1915	on_reply => sub {	2743	on_reply => sub {
1916	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
1917		2745
1918	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
1919	# get handled first	2747	# get handled first
1920	my $queue = delete $ns->{query_queue}	2748	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2749	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2750
1923	(shift @$queue)->[1]->($msg);	2751	(shift @$queue)->[1]->($msg);
		2752	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2753
1925	push @{ $ns->{query_queue} }, @$queue;	2754	push @{ $ns->{query_queue} }, @$queue;
1926		2755
1927	if (@{ $ns->{query_queue} } == @$queue) {	2756	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2757	if (@$queue) {
…		…
1930	} else {	2759	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2761	}
1933	}	2762	}
1934	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
1935	);	2790	);
1936		2791
1937	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
1938		2793
1939	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
1982		2837
1983	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
1984		2839
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
1986		2845
1987	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
1988		2847
1989	=pod	2848	=pod
1990		2849
1991	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
1992		2851
1993	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
1994	cf::object::player player	2856	cf::object::player
1995	cf::player peaceful	2857	player
1996	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
1997		2864
1998	=cut	2865	=cut
1999		2866
2000	for (	2867	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2002	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2005	) {	2874	) {
2006	no strict 'refs';	2875	no strict 'refs';
…		…
2077	=back	2946	=back
2078		2947
2079	=cut	2948	=cut
2080		2949
2081	#############################################################################	2950	#############################################################################
		2951	# the server's init and main functions
2082		2952
2083	=head2 EXTENSION DATABASE SUPPORT	2953	sub load_facedata($) {
		2954	my ($path) = @_;
2084		2955
2085	Crossfire maintains a very simple database for extension use. It can	2956	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	2957	# for this (global event?)
2087	excludes objects.	2958	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		2959
2089	The parameter C<$family> should best start with the name of the extension	2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		2961
2092	=over 4	2962	warn "loading facedata from $path\n";
2093		2963
2094	=item $hashref = cf::db_get $family	2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
2095		2967
2096	Return a hashref for use by the extension C<$family>, which can be	2968	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		2969
2100	=item $value = cf::db_get $family => $key	2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		2972
2102	Returns a single value from the database	2973	# patch in the exptable
2103		2974	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	2975	type => FT_RSRC,
2105		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	2977	};
		2978	cf::cede_to_tick;
2155		2979
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	2980	{
		2981	my $faces = $facedata->{faceinfo};
2160		2982
2161	sub db_get($;$) {	2983	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	2985	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	2986	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		2989
2167	sub db_put($$;$) {	2990	cf::cede_to_tick;
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2991	}
2181	);
2182	}
2183		2992
2184	#############################################################################	2993	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2994	next unless $info->{smooth};
		2995	my $idx = cf::face::find $face
		2996	or next;
		2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3000	} else {
		3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3002	}
2186		3003
2187	sub cfg_load {	3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
		3068	1
		3069	}
		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
		3113	sub reload_resources {
		3114	warn "reloading resource files...\n";
		3115
		3116	reload_regions;
		3117	reload_facedata;
		3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
		3123	}
		3124
		3125	sub init {
		3126	reload_resources;
		3127	}
		3128
		3129	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3131	or return;
2190		3132
2191	local $/;	3133	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2193		3135
…		…
2207		3149
2208	sub main {	3150	sub main {
2209	# we must not ever block the main coroutine	3151	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3152	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3153	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3154	(async {
2212	async { Event::one_event };	3155	Event::one_event;
		3156	})->prio (Coro::PRIO_MAX);
2213	};	3157	};
2214		3158
2215	cfg_load;	3159	reload_config;
2216	db_load;	3160	db_init;
2217	load_extensions;	3161	load_extensions;
		3162
		3163	$TICK_WATCHER->start;
2218	Event::loop;	3164	Event::loop;
2219	}	3165	}
2220		3166
2221	#############################################################################	3167	#############################################################################
2222	# initialisation and cleanup	3168	# initialisation and cleanup
2223		3169
2224	# install some emergency cleanup handlers	3170	# install some emergency cleanup handlers
2225	BEGIN {	3171	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3172	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3173	Event->signal (
		3174	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3175	data => WF_AUTOCANCEL,
2229	signal => $signal,	3176	signal => $signal,
		3177	prio => 0,
2230	cb => sub {	3178	cb => sub {
2231	cf::cleanup "SIG$signal";	3179	cf::cleanup "SIG$signal";
2232	},	3180	},
2233	);	3181	);
2234	}	3182	}
		3183	}
		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
2235	}	3221	}
2236		3222
2237	sub emergency_save() {	3223	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2239		3225
…		…
2256	my $map = $cf::MAP{$path} or next;	3242	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3243	$map->valid or next;
2258	$map->save;	3244	$map->save;
2259	}	3245	}
2260	warn "end emergency map save\n";	3246	warn "end emergency map save\n";
		3247
		3248	warn "begin emergency database checkpoint\n";
		3249	BDB::db_env_txn_checkpoint $DB_ENV;
		3250	warn "end emergency database checkpoint\n";
2261	};	3251	};
2262		3252
2263	warn "leave emergency perl save\n";	3253	warn "leave emergency perl save\n";
2264	}	3254	}
2265		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2266	sub reload() {	3263	sub do_reload_perl() {
2267	# can/must only be called in main	3264	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3266	warn "can only reload from main coroutine";
2270	return;	3267	return;
2271	}	3268	}
2272		3269
2273	warn "reloading...";	3270	warn "reloading...";
2274		3271
2275	warn "freezing server";	3272	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2278		3278
2279	warn "sync database to disk";	3279	warn "syncing database to disk";
2280	cf::db_sync;	3280	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3281
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3282	# if anything goes wrong in here, we should simply crash as we already saved
2285		3283
2286	warn "cancel all watchers";	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3287	}
2290		3288
		3289	warn "flushing outstanding aio requests";
		3290	for (;;) {
		3291	BDB::flush;
		3292	IO::AIO::flush;
		3293	Coro::cede;
		3294	last unless IO::AIO::nreqs || BDB::nreqs;
		3295	warn "iterate...";
		3296	}
		3297
		3298	++$RELOAD;
		3299
2291	warn "cancel all extension coros";	3300	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3302	%EXT_CORO = ();
2294		3303
2295	warn "remove commands";	3304	warn "removing commands";
2296	%COMMAND = ();	3305	%COMMAND = ();
2297		3306
2298	warn "remove ext commands";	3307	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2300		3310
2301	warn "unload/nuke all extensions";	3311	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2304		3314
2305	if (my $cb = $pkg->can ("unload")) {	3315	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3316	eval {
…		…
2311		3321
2312	warn "... nuking $pkg";	3322	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3323	Symbol::delete_package $pkg;
2314	}	3324	}
2315		3325
2316	warn "unload all perl modules loaded from $LIBDIR";	3326	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3327	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3329
2320	warn "removing <$k>";	3330	warn "... unloading $k";
2321	delete $INC{$k};	3331	delete $INC{$k};
2322		3332
2323	$k =~ s/\.pm$//;	3333	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3334	$k =~ s/\//::/g;
2325		3335
…		…
2328	}	3338	}
2329		3339
2330	Symbol::delete_package $k;	3340	Symbol::delete_package $k;
2331	}	3341	}
2332		3342
2333	warn "get rid of safe::, as good as possible";	3343	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3346
2337	warn "unload cf.pm \"a bit\"";	3347	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2339		3350
2340	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3352	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2343		3354
		3355	warn "unload completed, starting to reload now";
		3356
2344	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2345	require cf;	3358	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3360
2348	warn "load config and database again";	3361	warn "loading config and database again";
2349	cf::cfg_load;	3362	cf::reload_config;
2350	cf::db_load;
2351		3363
2352	warn "load extensions";	3364	warn "loading extensions";
2353	cf::load_extensions;	3365	cf::load_extensions;
2354		3366
2355	warn "reattach attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3368	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3369	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
2359	};	3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2360		3373
2361	if ($@) {	3374	warn "leaving sync_job";
		3375
		3376	1
		3377	} or do {
2362	warn $@;	3378	warn $@;
2363	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2364	exit 1;	3380	exit 1;
2365	}	3381	};
2366		3382
2367	warn "reloaded";	3383	warn "reloaded";
2368	};	3384	};
2369		3385
		3386	our $RELOAD_WATCHER; # used only during reload
		3387
		3388	sub reload_perl() {
		3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
		3391
		3392	$RELOAD_WATCHER ||= Event->timer (
		3393	reentrant => 0,
		3394	after => 0,
		3395	data => WF_AUTOCANCEL,
		3396	cb => sub {
		3397	do_reload_perl;
		3398	undef $RELOAD_WATCHER;
		3399	},
		3400	);
		3401	}
		3402
2370	register_command "reload" => sub {	3403	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2372		3405
2373	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3407	$who->message ("reloading server.");
		3408	async { reload_perl };
2377	}	3409	}
2378	};	3410	};
2379		3411
2380	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2381		3413
		3414	my $bug_warning = 0;
		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3440	reentrant => 0,
		3441	parked => 1,
2384	prio => 0,	3442	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3444	data => WF_AUTOCANCEL,
2387	cb => sub {	3445	cb => sub {
		3446	if ($Coro::current != $Coro::main) {
		3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3448	unless ++$bug_warning > 10;
		3449	return;
		3450	}
		3451
2388	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2389		3453
2390	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
		3478
2391	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2393		3481
2394	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	# my $AFTER = Event::time;
		3491	# warn $AFTER - $NOW;#d#
		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
2396		3501
2397	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3504
2400	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2402	},	3514	},
2403	);	3515	);
2404		3516
		3517	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3518	BDB::max_poll_time $TICK * 0.1;
2406		3519	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3520	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3521	fd => BDB::poll_fileno,
2409	poll => 'r',	3522	poll => 'r',
2410	prio => 5,	3523	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3524	data => WF_AUTOCANCEL,
2417	after => 0,	3525	cb => \&BDB::poll_cb,
2418	interval => 10,	3526	);
2419	cb => sub {	3527	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3528
2421	write_runtime	3529	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3530	my $status;
		3531	my $current = $Coro::current;
		3532	(
		3533	sub {
		3534	$status = $!;
		3535	$current->ready; undef $current;
		3536	},
		3537	sub {
		3538	Coro::schedule while defined $current;
		3539	$! = $status;
		3540	},
		3541	)
		3542	};
		3543
		3544	unless ($DB_ENV) {
		3545	$DB_ENV = BDB::db_env_create;
		3546
		3547	cf::sync_job {
		3548	eval {
		3549	BDB::db_env_open
		3550	$DB_ENV,
		3551	$BDBDIR,
		3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3554	0666;
		3555
		3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3557
		3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3559	$DB_ENV->set_lk_detect;
		3560	};
		3561
		3562	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3563	};
2424	},	3564	}
2425	);	3565	}
		3566
		3567	{
		3568	IO::AIO::min_parallel 8;
		3569
		3570	undef $Coro::AIO::WATCHER;
		3571	IO::AIO::max_poll_time $TICK * 0.1;
		3572	$AIO_POLL_WATCHER = Event->io (
		3573	reentrant => 0,
		3574	data => WF_AUTOCANCEL,
		3575	fd => IO::AIO::poll_fileno,
		3576	poll => 'r',
		3577	prio => 6,
		3578	cb => \&IO::AIO::poll_cb,
		3579	);
		3580	}
		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
		3617	}
		3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
2426		3622
2427	END { cf::emergency_save }	3623	END { cf::emergency_save }
2428		3624
2429	1	3625	1
2430		3626

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