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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.354 by root, Sun Sep 2 12:26:54 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; # all users
58	our %MAP; # all maps	93	our %MAP; # 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 $msg =~ /\n$/;
137		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
138	LOG llevError, $msg;	193	LOG llevError, $msg;
139	};	194	};
140	}	195	}
141		196
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		204
149	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	206	# within the Safe compartment.
151	for my $pkg (qw(	207	for my $pkg (qw(
152	cf::global cf::attachable	208	cf::global cf::attachable
…		…
160	}	216	}
161		217
162	$Event::DIED = sub {	218	$Event::DIED = sub {
163	warn "error in event callback: @_";	219	warn "error in event callback: @_";
164	};	220	};
		221
		222	#############################################################################
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
223	Wait until the given lock is available and then acquires it and returns	272	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,	273	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	274	for example when the coroutine gets canceled), the lock is automatically
226	returned.	275	returned.
227		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
228	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
230		286
231	=cut	287	=cut
232		288
233	our %LOCK;	289	our %LOCK;
234		290
…		…
254	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
256	}	312	}
257	}	313	}
258		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
259	sub freeze_mainloop {	321	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
261		323
262	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
263	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
264	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
265	}	385	}
266		386
267	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
268		388
269	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		394
275	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
276		396
277	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
278		398
279	The design of crossfire+ requires that the main coro ($Coro::main) is	399	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	400	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.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
282		403
283	If it must be done, put the blocking parts into C<sync_job>. This will run	404	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	405	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	406	server will be frozen during this time, so the block should either finish
286	fast or be very important.	407	fast or be very important.
…		…
289		410
290	sub sync_job(&) {	411	sub sync_job(&) {
291	my ($job) = @_;	412	my ($job) = @_;
292		413
293	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
294	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
296		419
297	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
309		432
310	while ($busy) {	433	while ($busy) {
311	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
312	}	435	}
313		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
314	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
315	} else {	445	} else {
316	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
317		447
318	$job->()	448	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
338		468
339	$coro	469	$coro
340	}	470	}
341		471
342	sub write_runtime {	472	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		473
345	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
346		478
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
348	or return;
349		480
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	481	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	482	my ($cb, @args) = @_;
352	and return;
353		483
354	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
355	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
356		487
357	close $fh	488	my @res = Coro::Util::fork_eval {
358	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
359		492
360	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
361	and return;	494	}
362		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
363	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	621	}
365		622
366	=back	623	=back
367		624
368	=cut	625	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
377		634
378	In the following description, CLASS can be any of C<global>, C<object>	635	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	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	637	Crossfire TRT).
381		638
382	=over 4	639	=over 4
383		640
384	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
385		642
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	757	our @CB_MAP = ();
501		758
502	my %attachment;	759	my %attachment;
503		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
504	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
506		769
507	use sort 'stable';	770	use sort 'stable';
508		771
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
543		806
544	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		811
549	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	813	my $pkg = shift @arg;
551		814
552	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
582	}	845	}
583		846
584	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
585	} else {	848	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	850	}
588		851
589	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
590	}	853	}
591		854
…		…
593	if (ref $_[0]) {	856	if (ref $_[0]) {
594	_object_attach @_;	857	_object_attach @_;
595	} else {	858	} else {
596	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
597	}	860	}
		861	_recalc_want;
598	};	862	};
599		863
600	# all those should be optimised	864	# all those should be optimised
601	sub cf::attachable::detach {	865	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
606	reattach ($obj);	870	reattach ($obj);
607	} else {	871	} else {
608	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
609	}	873	}
		874	_recalc_want;
610	};	875	};
611		876
612	sub cf::attachable::attached {	877	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
614		879
…		…
629	";	894	";
630	die if $@;	895	die if $@;
631	}	896	}
632		897
633	our $override;	898	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		900
636	sub override {	901	sub override {
637	$override = 1;	902	$override = 1;
638	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
639	}	904	}
640		905
641	sub do_invoke {	906	sub do_invoke {
642	my $event = shift;	907	my $event = shift;
643	my $callbacks = shift;	908	my $callbacks = shift;
644		909
645	@invoke_results = ();	910	@INVOKE_RESULTS = ();
646		911
647	local $override;	912	local $override;
648		913
649	for (@$callbacks) {	914	for (@$callbacks) {
650	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
667		932
668	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
669		934
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	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	936	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		938
674	=back	939	=back
675		940
676	=cut	941	=cut
677		942
678	#############################################################################	943	#############################################################################
679	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
680		956
681	sub reattach {	957	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		962
685	my $registry = $obj->registry;	963	my $registry = $obj->registry;
686		964
687	@$registry = ();	965	@$registry = ();
688		966
…		…
735	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
736		1014
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1019	close $fh;
742		1020
743	if (@$objs) {	1021	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1027	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
751	}	1029	}
752	} else {	1030	} else {
753	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
785	or return;	1063	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1065	}
788		1066
789	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1069	return ($data, $av);
792	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
793		1077
794	#############################################################################	1078	#############################################################################
795	# command handling &c	1079	# command handling &c
796		1080
797	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1095	}
812		1096
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1098
815	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
816		1104
817	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
818	called.	1106	called.
819		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
820	=cut	1119	=cut
821		1120
822	sub register_extcmd {	1121	sub register_extcmd {
823	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
824		1123
825	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
826	}	1131	}
827		1132
828	cf::player->attach (	1133	cf::player->attach (
829	on_command => sub {	1134	on_command => sub {
830	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1144	cf::override;
840	},	1145	},
841	on_extcmd => sub {	1146	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
843		1148
844	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1150
846	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
852	} else {	1166	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1168	}
855		1169
856	cf::override;	1170	cf::override;
857	},	1171	},
858	);	1172	);
859		1173
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 {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
895	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1179	next unless -r $path;
897	eval {	1180
898	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
899	1	1238	}
900	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
901	}	1244	};
902	}	1245	}
903		1246
904	#############################################################################	1247	#############################################################################
905	# load/save/clean perl data associated with a map
906		1248
907	*cf::mapsupport::on_clean = sub {	1249	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1250
920	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
921		1252
922	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
923		1254
…		…
936	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
937		1268
938	=cut	1269	=cut
939		1270
940	sub playerdir($) {	1271	sub playerdir($) {
941	cf::localdir	1272	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1274	}
947		1275
948	sub path($) {	1276	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1278
951	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
952	}	1280	}
953		1281
954	sub find_active($) {	1282	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
959		1287
960	sub exists($) {	1288	sub exists($) {
961	my ($login) = @_;	1289	my ($login) = @_;
962		1290
963	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
965	}	1293	}
966		1294
967	sub find($) {	1295	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1297	my $login = $_[0];
970		1298
971	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
972		1300
973	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
974	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
975	or return;	1310	or return;
976	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
977	}	1312	}
978	}	1313	}
…		…
990		1325
991	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
993		1328
994	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
995	Coro::cede;	1330	cf::cede_to_tick;
996	}	1331	}
997		1332
998	sub new($) {	1333	sub new($) {
999	my ($login) = @_;	1334	my ($login) = @_;
1000		1335
…		…
1006	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1007		1342
1008	$self	1343	$self
1009	}	1344	}
1010		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1011	=item $pl->quit_character	1356	=item $pl->quit_character
1012		1357
1013	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1015		1360
1016	=cut	1361	=cut
1017		1362
1018	sub quit_character {	1363	sub quit_character {
1019	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1020		1367
1021	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1370
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1034	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1035	}	1402	}
1036		1403
1037	=item cf::player::list_logins	1404	=item cf::player::list_logins
1038		1405
1039	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1041		1408
1042	=cut	1409	=cut
1043		1410
1044	sub list_logins {	1411	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1413	or return [];
1047		1414
1048	my @logins;	1415	my @logins;
1049		1416
1050	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1054		1426
1055	utf8::decode $login;	1427	utf8::decode $login;
1056	push @logins, $login;	1428	push @logins, $login;
1057	}	1429	}
1058		1430
…		…
1066		1438
1067	=cut	1439	=cut
1068		1440
1069	sub maps($) {	1441	sub maps($) {
1070	my ($pl) = @_;	1442	my ($pl) = @_;
		1443
		1444	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1445
1072	my $files = aio_readdir playerdir $pl	1446	my $files = aio_readdir playerdir $pl
1073	or return;	1447	or return;
1074		1448
1075	my @paths;	1449	my @paths;
…		…
1077	for (@$files) {	1451	for (@$files) {
1078	utf8::decode $_;	1452	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1453	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1454	next unless /^$PATH_SEP/o;
1081		1455
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1456	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1457	}
1084		1458
1085	\@paths	1459	\@paths
1086	}	1460	}
1087		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1089		1514
1090	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1091		1516
1092	=cut	1517	=cut
1093		1518
1094	sub ext_reply($$$%) {	1519	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1096		1521
1097	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1523	}
1101		1524
1102	package cf;	1525	=item $player->ext_msg ($type, @msg)
		1526
		1527	Sends an ext event to the client.
		1528
		1529	=cut
		1530
		1531	sub ext_msg($$@) {
		1532	my ($self, $type, @msg) = @_;
		1533
		1534	$self->ns->ext_msg ($type, @msg);
		1535	}
		1536
		1537	=head3 cf::region
		1538
		1539	=over 4
		1540
		1541	=cut
		1542
		1543	package cf::region;
		1544
		1545	=item cf::region::find_by_path $path
		1546
		1547	Tries to decuce the likely region for a map knowing only its path.
		1548
		1549	=cut
		1550
		1551	sub find_by_path($) {
		1552	my ($path) = @_;
		1553
		1554	my ($match, $specificity);
		1555
		1556	for my $region (list) {
		1557	if ($region->{match} && $path =~ $region->{match}) {
		1558	($match, $specificity) = ($region, $region->specificity)
		1559	if $region->specificity > $specificity;
		1560	}
		1561	}
		1562
		1563	$match
		1564	}
1103		1565
1104	=back	1566	=back
1105
1106		1567
1107	=head3 cf::map	1568	=head3 cf::map
1108		1569
1109	=over 4	1570	=over 4
1110		1571
…		…
1114		1575
1115	use Fcntl;	1576	use Fcntl;
1116	use Coro::AIO;	1577	use Coro::AIO;
1117		1578
1118	use overload	1579	use overload
1119	'""' => \&as_string;	1580	'""' => \&as_string,
		1581	fallback => 1;
1120		1582
1121	our $MAX_RESET = 3600;	1583	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1584	our $DEFAULT_RESET = 3000;
1123		1585
1124	sub generate_random_map {	1586	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1587	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1588	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1589	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1599	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1600	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1601	)
1141	}	1602	}
1142		1603
		1604	=item cf::map->register ($regex, $prio)
		1605
		1606	Register a handler for the map path matching the given regex at the
		1607	givne priority (higher is better, built-in handlers have priority 0, the
		1608	default).
		1609
		1610	=cut
		1611
1143	sub register {	1612	sub register {
1144	my (undef, $regex) = @_;	1613	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1614	my $pkg = caller;
1146		1615
1147	no strict;	1616	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1617	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1618
1150	$EXT_MAP{$pkg} = qr<$regex>;	1619	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1620	}
1152		1621
1153	# also paths starting with '/'	1622	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1623	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1624
		1625	sub thawer_merge {
		1626	my ($self, $merge) = @_;
		1627
		1628	# we have to keep some variables in memory intact
		1629	local $self->{path};
		1630	local $self->{load_path};
		1631
		1632	$self->SUPER::thawer_merge ($merge);
		1633	}
1155		1634
1156	sub normalise {	1635	sub normalise {
1157	my ($path, $base) = @_;	1636	my ($path, $base) = @_;
		1637
		1638	$path = "$path"; # make sure its a string
		1639
		1640	$path =~ s/\.map$//;
1158		1641
1159	# map plan:	1642	# map plan:
1160	#	1643	#
1161	# /! non-realised random map exit (special hack!)	1644	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1645	# {... are special paths that are not being touched
…		…
1190		1673
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1674	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1675
1193	$path = normalise $path, $base;	1676	$path = normalise $path, $base;
1194		1677
1195	for my $pkg (keys %EXT_MAP) {	1678	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1679	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1680	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1681	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1682	$self->init; # pass $1 etc.
1200	return $self;	1683	return $self;
1201	}	1684	}
1202	}	1685	}
1203		1686
1204	Carp::carp "unable to resolve path '$path'.";	1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1688	()
1206	}	1689	}
1207		1690
1208	sub init {	1691	sub init {
1209	my ($self) = @_;	1692	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1703	# the displayed name, this is a one way mapping
1221	sub visible_name {	1704	sub visible_name {
1222	&as_string	1705	&as_string
1223	}	1706	}
1224		1707
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1708	# the original (read-only) location
1233	sub load_path {	1709	sub load_path {
1234	my ($self) = @_;	1710	my ($self) = @_;
1235		1711
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1712	"$MAPDIR/$self->{path}.map"
1237	}	1713	}
1238		1714
1239	# the temporary/swap location	1715	# the temporary/swap location
1240	sub save_path {	1716	sub save_path {
1241	my ($self) = @_;	1717	my ($self) = @_;
1242		1718
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1720	"$TMPDIR/$path.map"
1244	}	1721	}
1245		1722
1246	# the unique path, undef == no special unique path	1723	# the unique path, undef == no special unique path
1247	sub uniq_path {	1724	sub uniq_path {
1248	my ($self) = @_;	1725	my ($self) = @_;
1249		1726
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1728	"$UNIQUEDIR/$path"
1251	}	1729	}
1252		1730
1253	# and all this just because we cannot iterate over	1731	# and all this just because we cannot iterate over
1254	# all maps in C++...	1732	# all maps in C++...
1255	sub change_all_map_light {	1733	sub change_all_map_light {
…		…
1257		1735
1258	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
1260	}	1738	}
1261		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
		1746	}
		1747
1262	sub unlink_save {	1748	sub unlink_save {
1263	my ($self) = @_;	1749	my ($self) = @_;
1264		1750
1265	utf8::encode (my $save = $self->save_path);	1751	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1752	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1753	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1754	}
1269		1755
1270	sub load_header_from($) {	1756	sub load_header_from($) {
1271	my ($self, $path) = @_;	1757	my ($self, $path) = @_;
1272		1758
1273	utf8::encode $path;	1759	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1760	#aio_open $path, O_RDONLY, 0
1275	or return;	1761	# or return;
1276		1762
1277	$self->_load_header ($path)	1763	$self->_load_header ($path)
1278	or return;	1764	or return;
1279		1765
1280	$self->{load_path} = $path;	1766	$self->{load_path} = $path;
1281		1767
1282	1	1768	1
1283	}	1769	}
1284		1770
1285	sub load_orig {	1771	sub load_header_orig {
1286	my ($self) = @_;	1772	my ($self) = @_;
1287		1773
1288	$self->load_header_from ($self->load_path)	1774	$self->load_header_from ($self->load_path)
1289	}	1775	}
1290		1776
1291	sub load_temp {	1777	sub load_header_temp {
1292	my ($self) = @_;	1778	my ($self) = @_;
1293		1779
1294	$self->load_header_from ($self->save_path)	1780	$self->load_header_from ($self->save_path)
		1781	}
		1782
		1783	sub prepare_temp {
		1784	my ($self) = @_;
		1785
		1786	$self->last_access ((delete $self->{last_access})
		1787	|| $cf::RUNTIME); #d#
		1788	# safety
		1789	$self->{instantiate_time} = $cf::RUNTIME
		1790	if $self->{instantiate_time} > $cf::RUNTIME;
		1791	}
		1792
		1793	sub prepare_orig {
		1794	my ($self) = @_;
		1795
		1796	$self->{load_original} = 1;
		1797	$self->{instantiate_time} = $cf::RUNTIME;
		1798	$self->last_access ($cf::RUNTIME);
		1799	$self->instantiate;
1295	}	1800	}
1296		1801
1297	sub load_header {	1802	sub load_header {
1298	my ($self) = @_;	1803	my ($self) = @_;
1299		1804
1300	if ($self->load_temp) {	1805	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1806	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1807	} else {
1307	$self->load_orig	1808	$self->load_header_orig
1308	or return;	1809	or return;
1309		1810	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1811	}
		1812
		1813	$self->{deny_reset} = 1
		1814	if $self->no_reset;
		1815
		1816	$self->default_region (cf::region::find_by_path $self->{path})
		1817	unless $self->default_region;
1315		1818
1316	1	1819	1
1317	}	1820	}
1318		1821
1319	sub find;	1822	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1333		1836
1334	$map->load_header	1837	$map->load_header
1335	or return;	1838	or return;
1336		1839
1337	if ($map->should_reset) {	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1841	# doing this can freeze the server in a sync job, obviously
		1842	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1843	$map->reset;
1339	undef $guard;	1844	undef $guard;
1340	$map = find $path	1845	return find $path;
1341	or return;
1342	}	1846	}
1343		1847
1344	$cf::MAP{$path} = $map	1848	$cf::MAP{$path} = $map
1345	}	1849	}
1346	}	1850	}
		1851
		1852	sub pre_load { }
		1853	sub post_load { }
1347		1854
1348	sub load {	1855	sub load {
1349	my ($self) = @_;	1856	my ($self) = @_;
1350		1857
		1858	local $self->{deny_reset} = 1; # loading can take a long time
		1859
1351	my $path = $self->{path};	1860	my $path = $self->{path};
		1861
		1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1352	my $guard = cf::lock_acquire "map_load:$path";	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1353		1865
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1867
1356	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1357		1869
1358	$self->alloc;	1870	$self->alloc;
		1871
		1872	$self->pre_load;
		1873	cf::cede_to_tick;
		1874
1359	$self->_load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1360	or return;	1876	or return;
1361		1877
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1879	if delete $self->{load_original};
1364		1880
1365	if (my $uniq = $self->uniq_path) {	1881	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1882	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1883	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;	1884	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1370	}	1886	}
1371	}	1887	}
1372		1888
1373	Coro::cede;	1889	cf::cede_to_tick;
1374
1375	# now do the right thing for maps	1890	# now do the right thing for maps
1376	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1892	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1893	unless $self->difficulty;
1386	Coro::cede;	1894	cf::cede_to_tick;
		1895
		1896	unless ($self->{deny_activate}) {
		1897	$self->decay_objects;
		1898	$self->fix_auto_apply;
		1899	$self->update_buttons;
		1900	cf::cede_to_tick;
		1901	$self->set_darkness_map;
		1902	cf::cede_to_tick;
1387	$self->activate;	1903	$self->activate;
1388	}	1904	}
1389		1905
		1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
		1908
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
1391	}	1913	}
1392		1914
1393	sub customise_for {	1915	sub customise_for {
1394	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1395		1917
1396	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1919	if $self->per_player;
1398		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
1399	$self	1924	$self
1400	}	1925	}
1401		1926
1402	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1928	sub load_neighbours {
1404	my ($map) = @_;	1929	my ($map) = @_;
1405		1930
1406	my @diag; # diagonal neighbours	1931	my @neigh; # diagonal neighbours
1407		1932
1408	for (0 .. 3) {	1933	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1934	my $neigh = $map->tile_path ($_)
1410	or next;	1935	or next;
1411	$neigh = find $neigh, $map	1936	$neigh = find $neigh, $map
1412	or next;	1937	or next;
1413	$neigh->load;	1938	$neigh->load;
1414		1939
		1940	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	1943	}
1418		1944
1419	for (@diag) {	1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	1947	my $neigh = find $path, $origin
1421	or next;	1948	or next;
1422	$neigh->load;	1949	$neigh->load;
1423	}	1950	}
1424	}	1951	}
1425		1952
…		…
1430	}	1957	}
1431		1958
1432	sub do_load_sync {	1959	sub do_load_sync {
1433	my ($map) = @_;	1960	my ($map) = @_;
1434		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1435	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
1436	}	1966	}
1437		1967
1438	our %MAP_PREFETCH;	1968	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1969	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1970
1452	sub find_async {	1971	sub find_async {
1453	my ($path, $origin) = @_;	1972	my ($path, $origin, $load) = @_;
1454		1973
1455	$path = normalise $path, $origin && $origin->{path};	1974	$path = normalise $path, $origin && $origin->{path};
1456		1975
1457	if (my $map = $cf::MAP{$path}) {	1976	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1978	}
		1979
		1980	$MAP_PREFETCH{$path} |= $load;
		1981
		1982	$MAP_PREFETCHER ||= cf::async {
		1983	while (%MAP_PREFETCH) {
		1984	while (my ($k, $v) = each %MAP_PREFETCH) {
		1985	if (my $map = find $k) {
		1986	$map->load if $v;
		1987	}
		1988
		1989	delete $MAP_PREFETCH{$k};
		1990	}
		1991	}
		1992	undef $MAP_PREFETCHER;
1459	}	1993	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	1994	$MAP_PREFETCHER->prio (6);
1463		1995
1464	()	1996	()
1465	}	1997	}
1466		1998
1467	sub save {	1999	sub save {
1468	my ($self) = @_;	2000	my ($self) = @_;
1469		2001
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2003
1472	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1473		2005
1474	return unless $self->dirty;	2006	return unless $self->dirty;
1475		2007
…		…
1498	my ($self) = @_;	2030	my ($self) = @_;
1499		2031
1500	# save first because save cedes	2032	# save first because save cedes
1501	$self->save;	2033	$self->save;
1502		2034
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2036
1505	return if $self->players;	2037	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2039	return if $self->{deny_save};
1508		2040
…		…
1512		2044
1513	sub reset_at {	2045	sub reset_at {
1514	my ($self) = @_;	2046	my ($self) = @_;
1515		2047
1516	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1519		2050
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2053
…		…
1527	my ($self) = @_;	2058	my ($self) = @_;
1528		2059
1529	$self->reset_at <= $cf::RUNTIME	2060	$self->reset_at <= $cf::RUNTIME
1530	}	2061	}
1531		2062
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2063	sub reset {
1547	my ($self) = @_;	2064	my ($self) = @_;
1548		2065
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2067
1551	return if $self->players;	2068	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2069
1554	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1555		2081
1556	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
		2083
		2084	$self->clear;
1557		2085
1558	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1559		2087
1560	$self->unlink_save;	2088	$self->unlink_save;
1561	$self->destroy;	2089	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1565		2093
1566	sub nuke {	2094	sub nuke {
1567	my ($self) = @_;	2095	my ($self) = @_;
1568		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
		2100	delete $cf::MAP{$self->path};
		2101
		2102	$self->unlink_save;
		2103
		2104	bless $self, "cf::map";
		2105	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2109
		2110	$cf::MAP{$self->path} = $self;
		2111	}
		2112
1572	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
		2114	}
		2115
		2116	=item $maps = cf::map::tmp_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
		2132	}
		2133
		2134	=item $maps = cf::map::random_maps
		2135
		2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
		2138
		2139	=cut
		2140
		2141	sub random_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
1573	}	2150	}
1574		2151
1575	=item cf::map::unique_maps	2152	=item cf::map::unique_maps
1576		2153
1577	Returns an arrayref of paths of all shared maps that have	2154	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2155	instantiated unique items. May block.
1579		2156
1580	=cut	2157	=cut
1581		2158
1582	sub unique_maps() {	2159	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2160	[
1584	or return;	2161	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2162	utf8::decode $_;
1590	next if /\.pst$/;	2163	/\.map$/
1591	next unless /^$PATH_SEP/o;	2164	? normalise $_
1592		2165	: ()
1593	push @paths, $_;	2166	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2167	]
1595
1596	\@paths
1597	}	2168	}
1598		2169
1599	package cf;	2170	package cf;
1600		2171
1601	=back	2172	=back
…		…
1647		2218
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2220
1650	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1652	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1655	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1656	}	2246	}
1657		2247
1658	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1659		2249
1660	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2282	=cut
1693		2283
1694	sub link_map {	2284	sub link_map {
1695	unless ($LINK_MAP) {	2285	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2286	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2288	$LINK_MAP->load;
1699	}	2289	}
1700		2290
1701	$LINK_MAP	2291	$LINK_MAP
1702	}	2292	}
…		…
1707	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1708		2298
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2300
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1713		2303
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2305	}
1716		2306
1717	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1719		2311
1720	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1721		2313
1722	unless ($map) {	2314	unless ($map) {
1723	# restore original map position	2315	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1740		2332
1741	$map->load;	2333	$map->load;
1742	$map->load_diag;	2334	$map->load_neighbours;
1743		2335
1744	return unless $self->contr->active;	2336	return unless $self->contr->active;
1745	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1747	}	2341	}
1748		2342
1749	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2344
1753	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1757	};	2349	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2350
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1784		2354
1785	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2360
1788	$self->enter_link;	2361	$self->enter_link;
1789		2362
1790	(async {	2363	(async {
		2364	my $map = eval {
1791	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1793		2369	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
1798		2373
		2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
		2380	}
		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1800	})->prio (1);	2388	})->prio (1);
1801	}	2389	}
1802		2390
1803	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1804		2392
…		…
1806		2394
1807	sub parse_random_map_params {	2395	sub parse_random_map_params {
1808	my ($spec) = @_;	2396	my ($spec) = @_;
1809		2397
1810	my $rmp = { # defaults	2398	my $rmp = { # defaults
1811	xsize => 10,	2399	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2400	ysize => (cf::rndm 15, 40),
		2401	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2402	#layout => string,
1813	};	2403	};
1814		2404
1815	for (split /\n/, $spec) {	2405	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2406	my ($k, $v) = split /\s+/, $_, 2;
1817		2407
…		…
1821	$rmp	2411	$rmp
1822	}	2412	}
1823		2413
1824	sub prepare_random_map {	2414	sub prepare_random_map {
1825	my ($exit) = @_;	2415	my ($exit) = @_;
		2416
		2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2418
1827	# all this does is basically replace the /! path by	2419	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2420	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2421	# that depends on the exit object
1830		2422
1831	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1832		2424
1833	if ($exit->map) {	2425	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1838	}	2430	}
1839		2431
1840	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1841		2433
1842	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
		2436	my $meta = "$RANDOMDIR/$md5.meta";
1844		2437
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
		2440	undef $fh;
		2441	aio_rename "$meta~", $meta;
1847		2442
1848	$exit->slaying ("?random/$md5");	2443	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2444	$exit->msg (undef);
1850	}	2445	}
1851	}	2446	}
…		…
1853	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1855		2450
1856	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1857		2452
		2453	if ($exit->slaying eq "/!") {
		2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
		2457	cf::sync_job { prepare_random_map $exit };
		2458	}
		2459
		2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2461	my $hp = $exit->stats->hp;
		2462	my $sp = $exit->stats->sp;
		2463
1858	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1859		2469
1860	(async {	2470	(async {
1861	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2472	unless (eval {
1863	prepare_random_map $exit	2473	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2474
1869	1;	2475	1;
1870	}) {	2476	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2481
1876	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2483	$self->leave_link;
1878	}	2484	}
1879	})->prio (1);	2485	})->prio (1);
…		…
1892		2498
1893	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1895		2501
1896	utf8::encode $text;	2502	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2504	}
1899		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
		2599	push @msg, msgtype => "event_$type";
		2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
		2620	}
1900		2621
1901	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
1902		2623
1903	Queues a query to the client, calling the given callback with	2624	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2625	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2627
1907	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2629	become reliable at some point in the future.
1909		2630
1910	=cut	2631	=cut
1911		2632
1912	sub cf::client::query {	2633	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2642	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2644
1924	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
1926	}	2649	}
1927		2650
1928	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
1929	on_reply => sub {	2657	on_reply => sub {
1930	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
1931		2659
1932	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
1933	# get handled first	2661	# get handled first
1934	my $queue = delete $ns->{query_queue}	2662	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2663	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2664
1937	(shift @$queue)->[1]->($msg);	2665	(shift @$queue)->[1]->($msg);
		2666	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2667
1939	push @{ $ns->{query_queue} }, @$queue;	2668	push @{ $ns->{query_queue} }, @$queue;
1940		2669
1941	if (@{ $ns->{query_queue} } == @$queue) {	2670	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2671	if (@$queue) {
…		…
1944	} else {	2673	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2675	}
1947	}	2676	}
1948	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
1949	);	2704	);
1950		2705
1951	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
1952		2707
1953	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
1996		2751
1997	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
1998		2753
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
2000		2759
2001	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
2002		2761
2003	=pod	2762	=pod
2004		2763
2005	The following fucntions and emthods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
2006		2765
2007	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
2008	cf::object::player player	2770	cf::object::player
2009	cf::player peaceful	2771	player
2010	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
2011		2778
2012	=cut	2779	=cut
2013		2780
2014	for (	2781	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
2016	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
2019	) {	2788	) {
2020	no strict 'refs';	2789	no strict 'refs';
…		…
2091	=back	2860	=back
2092		2861
2093	=cut	2862	=cut
2094		2863
2095	#############################################################################	2864	#############################################################################
		2865	# the server's init and main functions
2096		2866
2097	=head2 EXTENSION DATABASE SUPPORT	2867	sub load_facedata($) {
		2868	my ($path) = @_;
2098		2869
2099	Crossfire maintains a very simple database for extension use. It can	2870	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	2871	# for this (global event?)
2101	excludes objects.	2872	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		2873
2103	The parameter C<$family> should best start with the name of the extension	2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		2875
2106	=over 4	2876	warn "loading facedata from $path\n";
2107		2877
2108	=item $hashref = cf::db_get $family	2878	my $facedata;
		2879	0 < aio_load $path, $facedata
		2880	or die "$path: $!";
2109		2881
2110	Return a hashref for use by the extension C<$family>, which can be	2882	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		2883
2114	=item $value = cf::db_get $family => $key	2884	$facedata->{version} == 2
		2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		2886
2116	Returns a single value from the database	2887	# patch in the exptable
2117		2888	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	2889	type => FT_RSRC,
2119		2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	2891	};
		2892	cf::cede_to_tick;
2169		2893
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	2894	{
		2895	my $faces = $facedata->{faceinfo};
2174		2896
2175	sub db_get($;$) {	2897	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	2899	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	2900	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		2903
2181	sub db_put($$;$) {	2904	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	2905	}
2195	);
2196	}
2197		2906
2198	#############################################################################	2907	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2908	next unless $info->{smooth};
		2909	my $idx = cf::face::find $face
		2910	or next;
		2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
		2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2914	} else {
		2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2916	}
2200		2917
2201	sub cfg_load {	2918	cf::cede_to_tick;
		2919	}
		2920	}
		2921
		2922	{
		2923	my $anims = $facedata->{animinfo};
		2924
		2925	while (my ($anim, $info) = each %$anims) {
		2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	cf::anim::invalidate_all; # d'oh
		2931	}
		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
		2982	1
		2983	}
		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
		2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
		2998	load_resource_file "$MAPDIR/regions"
		2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
		3005	}
		3006
		3007	sub reload_facedata {
		3008	load_facedata "$DATADIR/facedata"
		3009	or die "unable to load facedata\n";
		3010	}
		3011
		3012	sub reload_archetypes {
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
		3020	}
		3021
		3022	sub reload_treasures {
		3023	load_resource_file "$DATADIR/treasures"
		3024	or die "unable to load treasurelists\n";
		3025	}
		3026
		3027	sub reload_resources {
		3028	warn "reloading resource files...\n";
		3029
		3030	reload_regions;
		3031	reload_facedata;
		3032	#reload_archetypes;#d#
		3033	reload_archetypes;
		3034	reload_treasures;
		3035
		3036	warn "finished reloading resource files\n";
		3037	}
		3038
		3039	sub init {
		3040	reload_resources;
		3041	}
		3042
		3043	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3045	or return;
2204		3046
2205	local $/;	3047	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
2207		3049
…		…
2221		3063
2222	sub main {	3064	sub main {
2223	# we must not ever block the main coroutine	3065	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3066	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3068	(async {
2226	async { Event::one_event };	3069	Event::one_event;
		3070	})->prio (Coro::PRIO_MAX);
2227	};	3071	};
2228		3072
2229	cfg_load;	3073	reload_config;
2230	db_load;	3074	db_init;
2231	load_extensions;	3075	load_extensions;
		3076
		3077	$TICK_WATCHER->start;
2232	Event::loop;	3078	Event::loop;
2233	}	3079	}
2234		3080
2235	#############################################################################	3081	#############################################################################
2236	# initialisation and cleanup	3082	# initialisation and cleanup
2237		3083
2238	# install some emergency cleanup handlers	3084	# install some emergency cleanup handlers
2239	BEGIN {	3085	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3086	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3087	Event->signal (
		3088	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3089	data => WF_AUTOCANCEL,
2243	signal => $signal,	3090	signal => $signal,
		3091	prio => 0,
2244	cb => sub {	3092	cb => sub {
2245	cf::cleanup "SIG$signal";	3093	cf::cleanup "SIG$signal";
2246	},	3094	},
2247	);	3095	);
2248	}	3096	}
2249	}	3097	}
2250		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
		3135	}
		3136
2251	sub emergency_save() {	3137	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3138	my $freeze_guard = cf::freeze_mainloop;
2253		3139
2254	warn "enter emergency perl save\n";	3140	warn "enter emergency perl save\n";
2255		3141
2256	cf::sync_job {	3142	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3143	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3144	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3145	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3146	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3147	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3148	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3149	$pl->valid or next;
2264	$pl->save;	3150	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3156	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3157	$map->valid or next;
2272	$map->save;	3158	$map->save;
2273	}	3159	}
2274	warn "end emergency map save\n";	3160	warn "end emergency map save\n";
		3161
		3162	warn "begin emergency database checkpoint\n";
		3163	BDB::db_env_txn_checkpoint $DB_ENV;
		3164	warn "end emergency database checkpoint\n";
2275	};	3165	};
2276		3166
2277	warn "leave emergency perl save\n";	3167	warn "leave emergency perl save\n";
2278	}	3168	}
2279		3169
		3170	sub post_cleanup {
		3171	my ($make_core) = @_;
		3172
		3173	warn Carp::longmess "post_cleanup backtrace"
		3174	if $make_core;
		3175	}
		3176
2280	sub reload() {	3177	sub do_reload_perl() {
2281	# can/must only be called in main	3178	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3179	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3180	warn "can only reload from main coroutine";
2284	return;	3181	return;
2285	}	3182	}
2286		3183
2287	warn "reloading...";	3184	warn "reloading...";
2288		3185
2289	warn "freezing server";	3186	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3187
		3188	cf::sync_job {
		3189	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3190	cf::emergency_save;
		3191	cf::write_runtime; # external watchdog should not bark
2292		3192
2293	warn "sync database to disk";	3193	warn "syncing database to disk";
2294	cf::db_sync;	3194	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3195
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3196	# if anything goes wrong in here, we should simply crash as we already saved
2299		3197
2300	warn "cancel all watchers";	3198	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3199	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3200	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3201	}
2304		3202
		3203	warn "flushing outstanding aio requests";
		3204	for (;;) {
		3205	BDB::flush;
		3206	IO::AIO::flush;
		3207	Coro::cede;
		3208	last unless IO::AIO::nreqs || BDB::nreqs;
		3209	warn "iterate...";
		3210	}
		3211
		3212	++$RELOAD;
		3213
2305	warn "cancel all extension coros";	3214	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3215	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3216	%EXT_CORO = ();
2308		3217
2309	warn "remove commands";	3218	warn "removing commands";
2310	%COMMAND = ();	3219	%COMMAND = ();
2311		3220
2312	warn "remove ext commands";	3221	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3222	%EXTCMD = ();
		3223	%EXTICMD = ();
2314		3224
2315	warn "unload/nuke all extensions";	3225	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3226	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3227	warn "... unloading $pkg";
2318		3228
2319	if (my $cb = $pkg->can ("unload")) {	3229	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3230	eval {
…		…
2325		3235
2326	warn "... nuking $pkg";	3236	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3237	Symbol::delete_package $pkg;
2328	}	3238	}
2329		3239
2330	warn "unload all perl modules loaded from $LIBDIR";	3240	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3241	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3243
2334	warn "removing <$k>";	3244	warn "... unloading $k";
2335	delete $INC{$k};	3245	delete $INC{$k};
2336		3246
2337	$k =~ s/\.pm$//;	3247	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3248	$k =~ s/\//::/g;
2339		3249
…		…
2342	}	3252	}
2343		3253
2344	Symbol::delete_package $k;	3254	Symbol::delete_package $k;
2345	}	3255	}
2346		3256
2347	warn "get rid of safe::, as good as possible";	3257	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3258	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3260
2351	warn "unload cf.pm \"a bit\"";	3261	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3262	delete $INC{"cf.pm"};
		3263	delete $INC{"cf/pod.pm"};
2353		3264
2354	# don't, removes xs symbols, too,	3265	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3266	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3267	#Symbol::delete_package __PACKAGE__;
2357		3268
		3269	warn "unload completed, starting to reload now";
		3270
2358	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2359	require cf;	3272	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3274
2362	warn "load config and database again";	3275	warn "loading config and database again";
2363	cf::cfg_load;	3276	cf::reload_config;
2364	cf::db_load;
2365		3277
2366	warn "load extensions";	3278	warn "loading extensions";
2367	cf::load_extensions;	3279	cf::load_extensions;
2368		3280
2369	warn "reattach attachments to objects/players";	3281	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3282	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3283	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3284	reattach $_ for values %MAP;
2373	};	3285	warn "reattaching attachments to players";
		3286	reattach $_ for values %PLAYER;
2374		3287
2375	if ($@) {	3288	warn "leaving sync_job";
		3289
		3290	1
		3291	} or do {
2376	warn $@;	3292	warn $@;
2377	warn "error while reloading, exiting.";	3293	warn "error while reloading, exiting.";
2378	exit 1;	3294	exit 1;
2379	}	3295	};
2380		3296
2381	warn "reloaded";	3297	warn "reloaded";
2382	};	3298	};
2383		3299
		3300	our $RELOAD_WATCHER; # used only during reload
		3301
		3302	sub reload_perl() {
		3303	# doing reload synchronously and two reloads happen back-to-back,
		3304	# coro crashes during coro_state_free->destroy here.
		3305
		3306	$RELOAD_WATCHER ||= Event->timer (
		3307	reentrant => 0,
		3308	after => 0,
		3309	data => WF_AUTOCANCEL,
		3310	cb => sub {
		3311	do_reload_perl;
		3312	undef $RELOAD_WATCHER;
		3313	},
		3314	);
		3315	}
		3316
2384	register_command "reload" => sub {	3317	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3318	my ($who, $arg) = @_;
2386		3319
2387	if ($who->flag (FLAG_WIZ)) {	3320	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3321	$who->message ("reloading server.");
		3322	async { reload_perl };
2391	}	3323	}
2392	};	3324	};
2393		3325
2394	unshift @INC, $LIBDIR;	3326	unshift @INC, $LIBDIR;
2395		3327
		3328	my $bug_warning = 0;
		3329
		3330	our @WAIT_FOR_TICK;
		3331	our @WAIT_FOR_TICK_BEGIN;
		3332
		3333	sub wait_for_tick {
		3334	return unless $TICK_WATCHER->is_active;
		3335	return if $Coro::current == $Coro::main;
		3336
		3337	my $signal = new Coro::Signal;
		3338	push @WAIT_FOR_TICK, $signal;
		3339	$signal->wait;
		3340	}
		3341
		3342	sub wait_for_tick_begin {
		3343	return unless $TICK_WATCHER->is_active;
		3344	return if $Coro::current == $Coro::main;
		3345
		3346	my $signal = new Coro::Signal;
		3347	push @WAIT_FOR_TICK_BEGIN, $signal;
		3348	$signal->wait;
		3349	}
		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3354	reentrant => 0,
		3355	parked => 1,
2398	prio => 0,	3356	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3358	data => WF_AUTOCANCEL,
2401	cb => sub {	3359	cb => sub {
		3360	if ($Coro::current != $Coro::main) {
		3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3362	unless ++$bug_warning > 10;
		3363	return;
		3364	}
		3365
2402	$NOW = Event::time;	3366	$NOW = $tick_start = Event::time;
2403		3367
2404	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
		3392
2405	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2407		3395
2408	$WAIT_FOR_TICK->broadcast;	3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3398	Coro::async_pool {
		3399	write_runtime
		3400	or warn "ERROR: unable to write runtime file: $!";
		3401	};
		3402	}
		3403
		3404	# my $AFTER = Event::time;
		3405	# warn $AFTER - $NOW;#d#
		3406
		3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3408	$sig->send;
		3409	}
		3410	while (my $sig = shift @WAIT_FOR_TICK) {
		3411	$sig->send;
		3412	}
		3413
		3414	$NOW = Event::time;
2410		3415
2411	# if we are delayed by four ticks or more, skip them all	3416	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3418
2414	$TICK_WATCHER->at ($NEXT_TICK);	3419	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3420	$TICK_WATCHER->start;
		3421
		3422	$LOAD = ($NOW - $tick_start) / $TICK;
		3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3424
		3425	_post_tick;
		3426
		3427
2416	},	3428	},
2417	);	3429	);
2418		3430
		3431	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3432	BDB::max_poll_time $TICK * 0.1;
2420		3433	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3434	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3435	fd => BDB::poll_fileno,
2423	poll => 'r',	3436	poll => 'r',
2424	prio => 5,	3437	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3438	data => WF_AUTOCANCEL,
2431	after => 0,	3439	cb => \&BDB::poll_cb,
2432	interval => 10,	3440	);
2433	cb => sub {	3441	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3442
2435	write_runtime	3443	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3444	my $status;
		3445	my $current = $Coro::current;
		3446	(
		3447	sub {
		3448	$status = $!;
		3449	$current->ready; undef $current;
		3450	},
		3451	sub {
		3452	Coro::schedule while defined $current;
		3453	$! = $status;
		3454	},
		3455	)
		3456	};
		3457
		3458	unless ($DB_ENV) {
		3459	$DB_ENV = BDB::db_env_create;
		3460
		3461	cf::sync_job {
		3462	eval {
		3463	BDB::db_env_open
		3464	$DB_ENV,
		3465	$BDBDIR,
		3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3468	0666;
		3469
		3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3471
		3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3473	$DB_ENV->set_lk_detect;
		3474	};
		3475
		3476	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3477	};
2438	},	3478	}
2439	);	3479	}
		3480
		3481	{
		3482	IO::AIO::min_parallel 8;
		3483
		3484	undef $Coro::AIO::WATCHER;
		3485	IO::AIO::max_poll_time $TICK * 0.1;
		3486	$AIO_POLL_WATCHER = Event->io (
		3487	reentrant => 0,
		3488	data => WF_AUTOCANCEL,
		3489	fd => IO::AIO::poll_fileno,
		3490	poll => 'r',
		3491	prio => 6,
		3492	cb => \&IO::AIO::poll_cb,
		3493	);
		3494	}
		3495
		3496	my $_log_backtrace;
		3497
		3498	sub _log_backtrace {
		3499	my ($msg, @addr) = @_;
		3500
		3501	$msg =~ s/\n//;
		3502
		3503	# limit the # of concurrent backtraces
		3504	if ($_log_backtrace < 2) {
		3505	++$_log_backtrace;
		3506	async {
		3507	my @bt = fork_call {
		3508	@addr = map { sprintf "%x", $_ } @addr;
		3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3511	or die "addr2line: $!";
		3512
		3513	my @funcs;
		3514	my @res = <$fh>;
		3515	chomp for @res;
		3516	while (@res) {
		3517	my ($func, $line) = splice @res, 0, 2, ();
		3518	push @funcs, "[$func] $line";
		3519	}
		3520
		3521	@funcs
		3522	};
		3523
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] $_\n" for @bt;
		3526	--$_log_backtrace;
		3527	};
		3528	} else {
		3529	LOG llevInfo, "[ABT] $msg\n";
		3530	LOG llevInfo, "[ABT] [suppressed]\n";
		3531	}
		3532	}
		3533
		3534	# load additional modules
		3535	use cf::pod;
2440		3536
2441	END { cf::emergency_save }	3537	END { cf::emergency_save }
2442		3538
2443	1	3539	1
2444		3540

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