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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 1.351 by root, Sun Sep 2 00:57:38 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) {
…		…
1067	=cut	1434	=cut
1068		1435
1069	sub maps($) {	1436	sub maps($) {
1070	my ($pl) = @_;	1437	my ($pl) = @_;
1071		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1072	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1073	or return;	1442	or return;
1074		1443
1075	my @paths;	1444	my @paths;
1076		1445
1077	for (@$files) {	1446	for (@$files) {
1078	utf8::decode $_;	1447	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1081		1450
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1452	}
1084		1453
1085	\@paths	1454	\@paths
1086	}	1455	}
1087		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1089		1508
1090	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1091		1510
1092	=cut	1511	=cut
1093		1512
1094	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1096		1515
1097	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1517	}
1101		1518
1102	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1103		1559
1104	=back	1560	=back
1105
1106		1561
1107	=head3 cf::map	1562	=head3 cf::map
1108		1563
1109	=over 4	1564	=over 4
1110		1565
…		…
1114		1569
1115	use Fcntl;	1570	use Fcntl;
1116	use Coro::AIO;	1571	use Coro::AIO;
1117		1572
1118	use overload	1573	use overload
1119	'""' => \&as_string;	1574	'""' => \&as_string,
		1575	fallback => 1;
1120		1576
1121	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1123		1579
1124	sub generate_random_map {	1580	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1583	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1595	)
1141	}	1596	}
1142		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
1143	sub register {	1606	sub register {
1144	my (undef, $regex) = @_;	1607	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1608	my $pkg = caller;
1146		1609
1147	no strict;	1610	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1611	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1612
1150	$EXT_MAP{$pkg} = qr<$regex>;	1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1614	}
1152		1615
1153	# also paths starting with '/'	1616	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
1155		1628
1156	sub normalise {	1629	sub normalise {
1157	my ($path, $base) = @_;	1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
1158		1635
1159	# map plan:	1636	# map plan:
1160	#	1637	#
1161	# /! non-realised random map exit (special hack!)	1638	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1639	# {... are special paths that are not being touched
…		…
1190		1667
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1669
1193	$path = normalise $path, $base;	1670	$path = normalise $path, $base;
1194		1671
1195	for my $pkg (keys %EXT_MAP) {	1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1674	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1675	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1200	return $self;	1677	return $self;
1201	}	1678	}
1202	}	1679	}
1203		1680
1204	Carp::carp "unable to resolve path '$path'.";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1682	()
1206	}	1683	}
1207		1684
1208	sub init {	1685	sub init {
1209	my ($self) = @_;	1686	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1697	# the displayed name, this is a one way mapping
1221	sub visible_name {	1698	sub visible_name {
1222	&as_string	1699	&as_string
1223	}	1700	}
1224		1701
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1702	# the original (read-only) location
1233	sub load_path {	1703	sub load_path {
1234	my ($self) = @_;	1704	my ($self) = @_;
1235		1705
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1237	}	1707	}
1238		1708
1239	# the temporary/swap location	1709	# the temporary/swap location
1240	sub save_path {	1710	sub save_path {
1241	my ($self) = @_;	1711	my ($self) = @_;
1242		1712
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
1244	}	1715	}
1245		1716
1246	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1247	sub uniq_path {	1718	sub uniq_path {
1248	my ($self) = @_;	1719	my ($self) = @_;
1249		1720
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1251	}	1723	}
1252		1724
1253	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1254	# all maps in C++...	1726	# all maps in C++...
1255	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1257		1729
1258	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1260	}	1732	}
1261		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1262	sub unlink_save {	1742	sub unlink_save {
1263	my ($self) = @_;	1743	my ($self) = @_;
1264		1744
1265	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1748	}
1269		1749
1270	sub load_header_from($) {	1750	sub load_header_from($) {
1271	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1272		1752
1273	utf8::encode $path;	1753	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1275	or return;	1755	# or return;
1276		1756
1277	$self->_load_header ($path)	1757	$self->_load_header ($path)
1278	or return;	1758	or return;
1279		1759
1280	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
1281		1761
1282	1	1762	1
1283	}	1763	}
1284		1764
1285	sub load_orig {	1765	sub load_header_orig {
1286	my ($self) = @_;	1766	my ($self) = @_;
1287		1767
1288	$self->load_header_from ($self->load_path)	1768	$self->load_header_from ($self->load_path)
1289	}	1769	}
1290		1770
1291	sub load_temp {	1771	sub load_header_temp {
1292	my ($self) = @_;	1772	my ($self) = @_;
1293		1773
1294	$self->load_header_from ($self->save_path)	1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
1295	}	1794	}
1296		1795
1297	sub load_header {	1796	sub load_header {
1298	my ($self) = @_;	1797	my ($self) = @_;
1299		1798
1300	if ($self->load_temp) {	1799	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1800	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1801	} else {
1307	$self->load_orig	1802	$self->load_header_orig
1308	or return;	1803	or return;
1309		1804	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1805	}
		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1315		1812
1316	1	1813	1
1317	}	1814	}
1318		1815
1319	sub find;	1816	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1333		1830
1334	$map->load_header	1831	$map->load_header
1335	or return;	1832	or return;
1336		1833
1337	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1837	$map->reset;
1339	undef $guard;	1838	undef $guard;
1340	$map = find $path	1839	return find $path;
1341	or return;
1342	}	1840	}
1343		1841
1344	$cf::MAP{$path} = $map	1842	$cf::MAP{$path} = $map
1345	}	1843	}
1346	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1347		1848
1348	sub load {	1849	sub load {
1349	my ($self) = @_;	1850	my ($self) = @_;
1350		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1351	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1352	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1353		1859
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1861
1356	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1357		1863
1358	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1359	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1360	or return;	1870	or return;
1361		1871
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1873	if delete $self->{load_original};
1364		1874
1365	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1876	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;	1878	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1370	}	1880	}
1371	}	1881	}
1372		1882
1373	Coro::cede;	1883	cf::cede_to_tick;
1374
1375	# now do the right thing for maps	1884	# now do the right thing for maps
1376	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1377
1378	unless ($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)	1886	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1887	unless $self->difficulty;
1386	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1387	$self->activate;	1897	$self->activate;
1388	}	1898	}
1389		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
		1904	}
		1905
		1906	$self->post_load;
1391	}	1907	}
1392		1908
1393	sub customise_for {	1909	sub customise_for {
1394	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1395		1911
1396	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1913	if $self->per_player;
1398		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1399	$self	1918	$self
1400	}	1919	}
1401		1920
1402	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1922	sub load_neighbours {
1404	my ($map) = @_;	1923	my ($map) = @_;
1405		1924
1406	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1407		1926
1408	for (0 .. 3) {	1927	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1410	or next;	1929	or next;
1411	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1412	or next;	1931	or next;
1413	$neigh->load;	1932	$neigh->load;
1414		1933
		1934	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	1937	}
1418		1938
1419	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1421	or next;	1942	or next;
1422	$neigh->load;	1943	$neigh->load;
1423	}	1944	}
1424	}	1945	}
1425		1946
…		…
1430	}	1951	}
1431		1952
1432	sub do_load_sync {	1953	sub do_load_sync {
1433	my ($map) = @_;	1954	my ($map) = @_;
1434		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1435	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1436	}	1960	}
1437		1961
1438	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1963	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		1964
1452	sub find_async {	1965	sub find_async {
1453	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1454		1967
1455	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1456		1969
1457	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	while (my ($k, $v) = each %MAP_PREFETCH) {
		1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$k};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
1459	}	1987	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1463		1989
1464	()	1990	()
1465	}	1991	}
1466		1992
1467	sub save {	1993	sub save {
1468	my ($self) = @_;	1994	my ($self) = @_;
1469		1995
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1997
1472	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1473		1999
1474	return unless $self->dirty;	2000	return unless $self->dirty;
1475		2001
…		…
1498	my ($self) = @_;	2024	my ($self) = @_;
1499		2025
1500	# save first because save cedes	2026	# save first because save cedes
1501	$self->save;	2027	$self->save;
1502		2028
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2030
1505	return if $self->players;	2031	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2033	return if $self->{deny_save};
1508		2034
…		…
1512		2038
1513	sub reset_at {	2039	sub reset_at {
1514	my ($self) = @_;	2040	my ($self) = @_;
1515		2041
1516	# TODO: safety, remove and allow resettable per-player maps	2042	# 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};	2043	return 1e99 if $self->{deny_reset};
1519		2044
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2047
…		…
1527	my ($self) = @_;	2052	my ($self) = @_;
1528		2053
1529	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1530	}	2055	}
1531		2056
1532	sub rename {
1533	my ($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	$self->save;
1544	}
1545
1546	sub reset {	2057	sub reset {
1547	my ($self) = @_;	2058	my ($self) = @_;
1548		2059
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2061
1551	return if $self->players;	2062	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2063
1554	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1555		2075
1556	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1557		2079
1558	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1559		2081
1560	$self->unlink_save;	2082	$self->unlink_save;
1561	$self->destroy;	2083	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1565		2087
1566	sub nuke {	2088	sub nuke {
1567	my ($self) = @_;	2089	my ($self) = @_;
1568		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
		2094	delete $cf::MAP{$self->path};
		2095
		2096	$self->unlink_save;
		2097
		2098	bless $self, "cf::map";
		2099	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2100	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2101	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2103
		2104	$cf::MAP{$self->path} = $self;
		2105	}
		2106
1572	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1573	}	2144	}
1574		2145
1575	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1576		2147
1577	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2149	instantiated unique items. May block.
1579		2150
1580	=cut	2151	=cut
1581		2152
1582	sub unique_maps() {	2153	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1584	or return;	2155	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2156	utf8::decode $_;
1590	next if /\.pst$/;	2157	/\.map$/
1591	next unless /^$PATH_SEP/o;	2158	? normalise $_
1592		2159	: ()
1593	push @paths, $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2161	]
1595
1596	\@paths
1597	}	2162	}
1598		2163
1599	package cf;	2164	package cf;
1600		2165
1601	=back	2166	=back
…		…
1647		2212
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2214
1650	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1652	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1655	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1656	}	2240	}
1657		2241
1658	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1659		2243
1660	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2276	=cut
1693		2277
1694	sub link_map {	2278	sub link_map {
1695	unless ($LINK_MAP) {	2279	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2280	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2281	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2282	$LINK_MAP->load;
1699	}	2283	}
1700		2284
1701	$LINK_MAP	2285	$LINK_MAP
1702	}	2286	}
…		…
1707	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1708		2292
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2294
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1713		2297
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2299	}
1716		2300
1717	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1719		2305
1720	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1721		2307
1722	unless ($map) {	2308	unless ($map) {
1723	# restore original map position	2309	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1740		2326
1741	$map->load;	2327	$map->load;
1742	$map->load_diag;	2328	$map->load_neighbours;
1743		2329
1744	return unless $self->contr->active;	2330	return unless $self->contr->active;
1745	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1747	}	2335	}
1748		2336
1749	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2338
1753	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1757	};	2343	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2344
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	2345	=cut
		2346
		2347	our $GOTOGEN;
1784		2348
1785	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2354
1788	$self->enter_link;	2355	$self->enter_link;
1789		2356
1790	(async {	2357	(async {
		2358	my $map = eval {
1791	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
1793		2363	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2364	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
1798		2367
		2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
		2374	}
		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1800	})->prio (1);	2382	})->prio (1);
1801	}	2383	}
1802		2384
1803	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1804		2386
…		…
1806		2388
1807	sub parse_random_map_params {	2389	sub parse_random_map_params {
1808	my ($spec) = @_;	2390	my ($spec) = @_;
1809		2391
1810	my $rmp = { # defaults	2392	my $rmp = { # defaults
1811	xsize => 10,	2393	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2394	ysize => (cf::rndm 15, 40),
		2395	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2396	#layout => string,
1813	};	2397	};
1814		2398
1815	for (split /\n/, $spec) {	2399	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2400	my ($k, $v) = split /\s+/, $_, 2;
1817		2401
…		…
1821	$rmp	2405	$rmp
1822	}	2406	}
1823		2407
1824	sub prepare_random_map {	2408	sub prepare_random_map {
1825	my ($exit) = @_;	2409	my ($exit) = @_;
		2410
		2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2412
1827	# all this does is basically replace the /! path by	2413	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2414	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2415	# that depends on the exit object
1830		2416
1831	my $rmp = parse_random_map_params $exit->msg;	2417	my $rmp = parse_random_map_params $exit->msg;
1832		2418
1833	if ($exit->map) {	2419	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2420	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2421	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2422	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2423	$rmp->{origin_y} = $exit->y;
1838	}	2424	}
1839		2425
1840	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1841		2427
1842	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
		2430	my $meta = "$RANDOMDIR/$md5.meta";
1844		2431
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
		2434	undef $fh;
		2435	aio_rename "$meta~", $meta;
1847		2436
1848	$exit->slaying ("?random/$md5");	2437	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2438	$exit->msg (undef);
1850	}	2439	}
1851	}	2440	}
…		…
1853	sub cf::object::player::enter_exit {	2442	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2443	my ($self, $exit) = @_;
1855		2444
1856	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1857		2446
		2447	if ($exit->slaying eq "/!") {
		2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
		2451	cf::sync_job { prepare_random_map $exit };
		2452	}
		2453
		2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2455	my $hp = $exit->stats->hp;
		2456	my $sp = $exit->stats->sp;
		2457
1858	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1859		2463
1860	(async {	2464	(async {
1861	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2466	unless (eval {
1863	prepare_random_map $exit	2467	$self->goto ($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		2468
1869	1;	2469	1;
1870	}) {	2470	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2475
1876	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2477	$self->leave_link;
1878	}	2478	}
1879	})->prio (1);	2479	})->prio (1);
…		…
1892		2492
1893	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1895		2495
1896	utf8::encode $text;	2496	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2498	}
1899		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
		2574	=item $client->ext_msg ($type, @msg)
		2575
		2576	Sends an ext event to the client.
		2577
		2578	=cut
		2579
		2580	sub cf::client::ext_msg($$@) {
		2581	my ($self, $type, @msg) = @_;
		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
		2586	push @msg, msgtype => "event_$type";
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
		2607	}
1900		2608
1901	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
1902		2610
1903	Queues a query to the client, calling the given callback with	2611	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>,	2612	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>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2614
1907	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2616	become reliable at some point in the future.
1909		2617
1910	=cut	2618	=cut
1911		2619
1912	sub cf::client::query {	2620	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2629	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2631
1924	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
1926	}	2636	}
1927		2637
1928	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
1929	on_reply => sub {	2644	on_reply => sub {
1930	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
1931		2646
1932	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
1933	# get handled first	2648	# get handled first
1934	my $queue = delete $ns->{query_queue}	2649	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2650	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2651
1937	(shift @$queue)->[1]->($msg);	2652	(shift @$queue)->[1]->($msg);
		2653	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2654
1939	push @{ $ns->{query_queue} }, @$queue;	2655	push @{ $ns->{query_queue} }, @$queue;
1940		2656
1941	if (@{ $ns->{query_queue} } == @$queue) {	2657	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2658	if (@$queue) {
…		…
1944	} else {	2660	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2662	}
1947	}	2663	}
1948	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
1949	);	2691	);
1950		2692
1951	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
1952		2694
1953	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
1996		2738
1997	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
1998		2740
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
2000		2746
2001	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
2002		2748
2003	=pod	2749	=pod
2004		2750
2005	The following fucntions and emthods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
2006		2752
2007	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
2008	cf::object::player player	2757	cf::object::player
2009	cf::player peaceful	2758	player
2010	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
2011		2765
2012	=cut	2766	=cut
2013		2767
2014	for (	2768	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
2016	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
2019	) {	2775	) {
2020	no strict 'refs';	2776	no strict 'refs';
…		…
2091	=back	2847	=back
2092		2848
2093	=cut	2849	=cut
2094		2850
2095	#############################################################################	2851	#############################################################################
		2852	# the server's init and main functions
2096		2853
2097	=head2 EXTENSION DATABASE SUPPORT	2854	sub load_facedata($) {
		2855	my ($path) = @_;
2098		2856
2099	Crossfire maintains a very simple database for extension use. It can	2857	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	2858	# for this (global event?)
2101	excludes objects.	2859	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		2860
2103	The parameter C<$family> should best start with the name of the extension	2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		2862
2106	=over 4	2863	warn "loading facedata from $path\n";
2107		2864
2108	=item $hashref = cf::db_get $family	2865	my $facedata;
		2866	0 < aio_load $path, $facedata
		2867	or die "$path: $!";
2109		2868
2110	Return a hashref for use by the extension C<$family>, which can be	2869	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		2870
2114	=item $value = cf::db_get $family => $key	2871	$facedata->{version} == 2
		2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		2873
2116	Returns a single value from the database	2874	# patch in the exptable
2117		2875	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	2876	type => FT_RSRC,
2119		2877	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	});	2878	};
		2879	cf::cede_to_tick;
2169		2880
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	2881	{
		2882	my $faces = $facedata->{faceinfo};
2174		2883
2175	sub db_get($;$) {	2884	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	2886	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	2887	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		2890
2181	sub db_put($$;$) {	2891	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	},	2892	}
2195	);
2196	}
2197		2893
2198	#############################################################################	2894	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2895	next unless $info->{smooth};
		2896	my $idx = cf::face::find $face
		2897	or next;
		2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
		2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2901	} else {
		2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2903	}
2200		2904
2201	sub cfg_load {	2905	cf::cede_to_tick;
		2906	}
		2907	}
		2908
		2909	{
		2910	my $anims = $facedata->{animinfo};
		2911
		2912	while (my ($anim, $info) = each %$anims) {
		2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	cf::anim::invalidate_all; # d'oh
		2918	}
		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
		2969	1
		2970	}
		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
		2986	or die "unable to load regions file\n";
		2987
		2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
		2994	sub reload_facedata {
		2995	load_facedata "$DATADIR/facedata"
		2996	or die "unable to load facedata\n";
		2997	}
		2998
		2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
		3007	}
		3008
		3009	sub reload_treasures {
		3010	load_resource_file "$DATADIR/treasures"
		3011	or die "unable to load treasurelists\n";
		3012	}
		3013
		3014	sub reload_resources {
		3015	warn "reloading resource files...\n";
		3016
		3017	reload_regions;
		3018	reload_facedata;
		3019	#reload_archetypes;#d#
		3020	reload_archetypes;
		3021	reload_treasures;
		3022
		3023	warn "finished reloading resource files\n";
		3024	}
		3025
		3026	sub init {
		3027	reload_resources;
		3028	}
		3029
		3030	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3032	or return;
2204		3033
2205	local $/;	3034	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
2207		3036
…		…
2221		3050
2222	sub main {	3051	sub main {
2223	# we must not ever block the main coroutine	3052	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3053	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3055	(async {
2226	async { Event::one_event };	3056	Event::one_event;
		3057	})->prio (Coro::PRIO_MAX);
2227	};	3058	};
2228		3059
2229	cfg_load;	3060	reload_config;
2230	db_load;	3061	db_init;
2231	load_extensions;	3062	load_extensions;
		3063
		3064	$TICK_WATCHER->start;
2232	Event::loop;	3065	Event::loop;
2233	}	3066	}
2234		3067
2235	#############################################################################	3068	#############################################################################
2236	# initialisation and cleanup	3069	# initialisation and cleanup
2237		3070
2238	# install some emergency cleanup handlers	3071	# install some emergency cleanup handlers
2239	BEGIN {	3072	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3073	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3074	Event->signal (
		3075	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3076	data => WF_AUTOCANCEL,
2243	signal => $signal,	3077	signal => $signal,
		3078	prio => 0,
2244	cb => sub {	3079	cb => sub {
2245	cf::cleanup "SIG$signal";	3080	cf::cleanup "SIG$signal";
2246	},	3081	},
2247	);	3082	);
2248	}	3083	}
2249	}	3084	}
2250		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
2251	sub emergency_save() {	3124	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3125	my $freeze_guard = cf::freeze_mainloop;
2253		3126
2254	warn "enter emergency perl save\n";	3127	warn "enter emergency perl save\n";
2255		3128
2256	cf::sync_job {	3129	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3130	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3131	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3132	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3133	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3134	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3135	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3136	$pl->valid or next;
2264	$pl->save;	3137	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3143	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3144	$map->valid or next;
2272	$map->save;	3145	$map->save;
2273	}	3146	}
2274	warn "end emergency map save\n";	3147	warn "end emergency map save\n";
		3148
		3149	warn "begin emergency database checkpoint\n";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151	warn "end emergency database checkpoint\n";
2275	};	3152	};
2276		3153
2277	warn "leave emergency perl save\n";	3154	warn "leave emergency perl save\n";
2278	}	3155	}
2279		3156
		3157	sub post_cleanup {
		3158	my ($make_core) = @_;
		3159
		3160	warn Carp::longmess "post_cleanup backtrace"
		3161	if $make_core;
		3162	}
		3163
2280	sub reload() {	3164	sub do_reload_perl() {
2281	# can/must only be called in main	3165	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3166	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3167	warn "can only reload from main coroutine";
2284	return;	3168	return;
2285	}	3169	}
2286		3170
2287	warn "reloading...";	3171	warn "reloading...";
2288		3172
2289	warn "freezing server";	3173	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3174
		3175	cf::sync_job {
		3176	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3177	cf::emergency_save;
		3178	cf::write_runtime; # external watchdog should not bark
2292		3179
2293	warn "sync database to disk";	3180	warn "syncing database to disk";
2294	cf::db_sync;	3181	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3182
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3183	# if anything goes wrong in here, we should simply crash as we already saved
2299		3184
2300	warn "cancel all watchers";	3185	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3186	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3187	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3188	}
2304		3189
		3190	warn "flushing outstanding aio requests";
		3191	for (;;) {
		3192	BDB::flush;
		3193	IO::AIO::flush;
		3194	Coro::cede;
		3195	last unless IO::AIO::nreqs || BDB::nreqs;
		3196	warn "iterate...";
		3197	}
		3198
		3199	++$RELOAD;
		3200
2305	warn "cancel all extension coros";	3201	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3202	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3203	%EXT_CORO = ();
2308		3204
2309	warn "remove commands";	3205	warn "removing commands";
2310	%COMMAND = ();	3206	%COMMAND = ();
2311		3207
2312	warn "remove ext commands";	3208	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3209	%EXTCMD = ();
		3210	%EXTICMD = ();
2314		3211
2315	warn "unload/nuke all extensions";	3212	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3213	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3214	warn "... unloading $pkg";
2318		3215
2319	if (my $cb = $pkg->can ("unload")) {	3216	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3217	eval {
…		…
2325		3222
2326	warn "... nuking $pkg";	3223	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3224	Symbol::delete_package $pkg;
2328	}	3225	}
2329		3226
2330	warn "unload all perl modules loaded from $LIBDIR";	3227	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3228	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3230
2334	warn "removing <$k>";	3231	warn "... unloading $k";
2335	delete $INC{$k};	3232	delete $INC{$k};
2336		3233
2337	$k =~ s/\.pm$//;	3234	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3235	$k =~ s/\//::/g;
2339		3236
…		…
2342	}	3239	}
2343		3240
2344	Symbol::delete_package $k;	3241	Symbol::delete_package $k;
2345	}	3242	}
2346		3243
2347	warn "get rid of safe::, as good as possible";	3244	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3247
2351	warn "unload cf.pm \"a bit\"";	3248	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
2353		3251
2354	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3253	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
2357		3255
		3256	warn "unload completed, starting to reload now";
		3257
2358	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2359	require cf;	3259	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3261
2362	warn "load config and database again";	3262	warn "loading config and database again";
2363	cf::cfg_load;	3263	cf::reload_config;
2364	cf::db_load;
2365		3264
2366	warn "load extensions";	3265	warn "loading extensions";
2367	cf::load_extensions;	3266	cf::load_extensions;
2368		3267
2369	warn "reattach attachments to objects/players";	3268	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3269	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3270	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3271	reattach $_ for values %MAP;
2373	};	3272	warn "reattaching attachments to players";
		3273	reattach $_ for values %PLAYER;
2374		3274
2375	if ($@) {	3275	warn "leaving sync_job";
		3276
		3277	1
		3278	} or do {
2376	warn $@;	3279	warn $@;
2377	warn "error while reloading, exiting.";	3280	warn "error while reloading, exiting.";
2378	exit 1;	3281	exit 1;
2379	}	3282	};
2380		3283
2381	warn "reloaded";	3284	warn "reloaded";
2382	};	3285	};
2383		3286
		3287	our $RELOAD_WATCHER; # used only during reload
		3288
		3289	sub reload_perl() {
		3290	# doing reload synchronously and two reloads happen back-to-back,
		3291	# coro crashes during coro_state_free->destroy here.
		3292
		3293	$RELOAD_WATCHER ||= Event->timer (
		3294	reentrant => 0,
		3295	after => 0,
		3296	data => WF_AUTOCANCEL,
		3297	cb => sub {
		3298	do_reload_perl;
		3299	undef $RELOAD_WATCHER;
		3300	},
		3301	);
		3302	}
		3303
2384	register_command "reload" => sub {	3304	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3305	my ($who, $arg) = @_;
2386		3306
2387	if ($who->flag (FLAG_WIZ)) {	3307	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3308	$who->message ("reloading server.");
		3309	async { reload_perl };
2391	}	3310	}
2392	};	3311	};
2393		3312
2394	unshift @INC, $LIBDIR;	3313	unshift @INC, $LIBDIR;
2395		3314
		3315	my $bug_warning = 0;
		3316
		3317	our @WAIT_FOR_TICK;
		3318	our @WAIT_FOR_TICK_BEGIN;
		3319
		3320	sub wait_for_tick {
		3321	return unless $TICK_WATCHER->is_active;
		3322	return if $Coro::current == $Coro::main;
		3323
		3324	my $signal = new Coro::Signal;
		3325	push @WAIT_FOR_TICK, $signal;
		3326	$signal->wait;
		3327	}
		3328
		3329	sub wait_for_tick_begin {
		3330	return unless $TICK_WATCHER->is_active;
		3331	return if $Coro::current == $Coro::main;
		3332
		3333	my $signal = new Coro::Signal;
		3334	push @WAIT_FOR_TICK_BEGIN, $signal;
		3335	$signal->wait;
		3336	}
		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3341	reentrant => 0,
		3342	parked => 1,
2398	prio => 0,	3343	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3345	data => WF_AUTOCANCEL,
2401	cb => sub {	3346	cb => sub {
		3347	if ($Coro::current != $Coro::main) {
		3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3349	unless ++$bug_warning > 10;
		3350	return;
		3351	}
		3352
2402	$NOW = Event::time;	3353	$NOW = $tick_start = Event::time;
2403		3354
2404	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
		3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3378	};
		3379
2405	$RUNTIME += $TICK;	3380	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2407		3382
2408	$WAIT_FOR_TICK->broadcast;	3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3385	Coro::async_pool {
		3386	write_runtime
		3387	or warn "ERROR: unable to write runtime file: $!";
		3388	};
		3389	}
		3390
		3391	# my $AFTER = Event::time;
		3392	# warn $AFTER - $NOW;#d#
		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
2410		3402
2411	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3405
2414	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
		3408
		3409	$LOAD = ($NOW - $tick_start) / $TICK;
		3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3411
		3412	_post_tick;
		3413
		3414
2416	},	3415	},
2417	);	3416	);
2418		3417
		3418	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3419	BDB::max_poll_time $TICK * 0.1;
2420		3420	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3421	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3422	fd => BDB::poll_fileno,
2423	poll => 'r',	3423	poll => 'r',
2424	prio => 5,	3424	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3425	data => WF_AUTOCANCEL,
2431	after => 0,	3426	cb => \&BDB::poll_cb,
2432	interval => 10,	3427	);
2433	cb => sub {	3428	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3429
2435	write_runtime	3430	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3431	my $status;
		3432	my $current = $Coro::current;
		3433	(
		3434	sub {
		3435	$status = $!;
		3436	$current->ready; undef $current;
		3437	},
		3438	sub {
		3439	Coro::schedule while defined $current;
		3440	$! = $status;
		3441	},
		3442	)
		3443	};
		3444
		3445	unless ($DB_ENV) {
		3446	$DB_ENV = BDB::db_env_create;
		3447
		3448	cf::sync_job {
		3449	eval {
		3450	BDB::db_env_open
		3451	$DB_ENV,
		3452	$BDBDIR,
		3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3455	0666;
		3456
		3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3458
		3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3460	$DB_ENV->set_lk_detect;
		3461	};
		3462
		3463	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3464	};
2438	},	3465	}
2439	);	3466	}
		3467
		3468	{
		3469	IO::AIO::min_parallel 8;
		3470
		3471	undef $Coro::AIO::WATCHER;
		3472	IO::AIO::max_poll_time $TICK * 0.1;
		3473	$AIO_POLL_WATCHER = Event->io (
		3474	reentrant => 0,
		3475	data => WF_AUTOCANCEL,
		3476	fd => IO::AIO::poll_fileno,
		3477	poll => 'r',
		3478	prio => 6,
		3479	cb => \&IO::AIO::poll_cb,
		3480	);
		3481	}
		3482
		3483	my $_log_backtrace;
		3484
		3485	sub _log_backtrace {
		3486	my ($msg, @addr) = @_;
		3487
		3488	$msg =~ s/\n//;
		3489
		3490	# limit the # of concurrent backtraces
		3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
		3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
		3518	}
		3519	}
		3520
		3521	# load additional modules
		3522	use cf::pod;
2440		3523
2441	END { cf::emergency_save }	3524	END { cf::emergency_save }
2442		3525
2443	1	3526	1
2444		3527

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