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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.345 by root, Tue Aug 28 19:30:11 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
…		…
226	returned.	275	returned.
227		276
228	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
230		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
231	=cut	284	=cut
232		285
233	our %LOCK;	286	our %LOCK;
234		287
235	sub lock_wait($) {	288	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
256	}	309	}
257	}	310	}
258		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
259	sub freeze_mainloop {	318	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
261		320
262	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
263	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
264	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
265	}	382	}
266		383
267	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
268		385
269	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		391
275	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
276		393
277	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
278		395
279	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
282		400
283	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
286	fast or be very important.	404	fast or be very important.
…		…
289		407
290	sub sync_job(&) {	408	sub sync_job(&) {
291	my ($job) = @_;	409	my ($job) = @_;
292		410
293	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
294	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
296		416
297	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
309		429
310	while ($busy) {	430	while ($busy) {
311	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
312	}	432	}
313		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
314	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
315	} else {	442	} else {
316	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
317		444
318	$job->()	445	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
338		465
339	$coro	466	$coro
340	}	467	}
341		468
342	sub write_runtime {	469	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		470
345	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
346		475
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
348	or return;
349		477
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	478	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	479	my ($cb, @args) = @_;
352	and return;
353		480
354	aio_fsync $fh	481	# we seemingly have to make a local copy of the whole thing,
355	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
356		484
357	close $fh	485	my @res = Coro::Util::fork_eval {
358	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
359		489
360	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
361	and return;	491	}
362		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
363	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	618	}
365		619
366	=back	620	=back
367		621
368	=cut	622	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
377		631
378	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	634	Crossfire TRT).
381		635
382	=over 4	636	=over 4
383		637
384	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
385		639
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	754	our @CB_MAP = ();
501		755
502	my %attachment;	756	my %attachment;
503		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
504	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
506		766
507	use sort 'stable';	767	use sort 'stable';
508		768
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
543		803
544	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		808
549	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	810	my $pkg = shift @arg;
551		811
552	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
582	}	842	}
583		843
584	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
585	} else {	845	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	847	}
588		848
589	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
590	}	850	}
591		851
…		…
593	if (ref $_[0]) {	853	if (ref $_[0]) {
594	_object_attach @_;	854	_object_attach @_;
595	} else {	855	} else {
596	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
597	}	857	}
		858	_recalc_want;
598	};	859	};
599		860
600	# all those should be optimised	861	# all those should be optimised
601	sub cf::attachable::detach {	862	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
606	reattach ($obj);	867	reattach ($obj);
607	} else {	868	} else {
608	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
609	}	870	}
		871	_recalc_want;
610	};	872	};
611		873
612	sub cf::attachable::attached {	874	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
614		876
…		…
629	";	891	";
630	die if $@;	892	die if $@;
631	}	893	}
632		894
633	our $override;	895	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		897
636	sub override {	898	sub override {
637	$override = 1;	899	$override = 1;
638	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
639	}	901	}
640		902
641	sub do_invoke {	903	sub do_invoke {
642	my $event = shift;	904	my $event = shift;
643	my $callbacks = shift;	905	my $callbacks = shift;
644		906
645	@invoke_results = ();	907	@INVOKE_RESULTS = ();
646		908
647	local $override;	909	local $override;
648		910
649	for (@$callbacks) {	911	for (@$callbacks) {
650	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
667		929
668	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
669		931
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	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	933	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		935
674	=back	936	=back
675		937
676	=cut	938	=cut
677		939
678	#############################################################################	940	#############################################################################
679	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
680		953
681	sub reattach {	954	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		959
685	my $registry = $obj->registry;	960	my $registry = $obj->registry;
686		961
687	@$registry = ();	962	@$registry = ();
688		963
…		…
735	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
736		1011
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1016	close $fh;
742		1017
743	if (@$objs) {	1018	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1024	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
751	}	1026	}
752	} else {	1027	} else {
753	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
785	or return;	1060	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1062	}
788		1063
789	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1066	return ($data, $av);
792	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
793		1074
794	#############################################################################	1075	#############################################################################
795	# command handling &c	1076	# command handling &c
796		1077
797	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1092	}
812		1093
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1095
815	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
816		1101
817	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
818	called.	1103	called.
819		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
820	=cut	1116	=cut
821		1117
822	sub register_extcmd {	1118	sub register_extcmd {
823	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
824		1120
825	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
826	}	1128	}
827		1129
828	cf::player->attach (	1130	cf::player->attach (
829	on_command => sub {	1131	on_command => sub {
830	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1141	cf::override;
840	},	1142	},
841	on_extcmd => sub {	1143	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
843		1145
844	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1147
846	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
852	} else {	1163	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1165	}
855		1166
856	cf::override;	1167	cf::override;
857	},	1168	},
858	);	1169	);
859		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
895	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1176	next unless -r $path;
897	eval {	1177
898	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
899	1	1235	}
900	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
901	}	1241	};
902	}	1242	}
903		1243
904	#############################################################################	1244	#############################################################################
905	# load/save/clean perl data associated with a map
906		1245
907	*cf::mapsupport::on_clean = sub {	1246	=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		1247
920	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
921		1249
922	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
923		1251
…		…
936	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
937		1265
938	=cut	1266	=cut
939		1267
940	sub playerdir($) {	1268	sub playerdir($) {
941	cf::localdir	1269	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1271	}
947		1272
948	sub path($) {	1273	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1275
951	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
952	}	1277	}
953		1278
954	sub find_active($) {	1279	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
959		1284
960	sub exists($) {	1285	sub exists($) {
961	my ($login) = @_;	1286	my ($login) = @_;
962		1287
963	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
965	}	1290	}
966		1291
967	sub find($) {	1292	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1294	my $login = $_[0];
970		1295
971	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
972		1297
973	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
974	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
975	or return;	1307	or return;
976	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
977	}	1309	}
978	}	1310	}
…		…
1006	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1007		1339
1008	$self	1340	$self
1009	}	1341	}
1010		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1011	=item $pl->quit_character	1353	=item $pl->quit_character
1012		1354
1013	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1015		1357
1016	=cut	1358	=cut
1017		1359
1018	sub quit_character {	1360	sub quit_character {
1019	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1020		1364
1021	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1367
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1034	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1035	}	1399	}
1036		1400
1037	=item cf::player::list_logins	1401	=item cf::player::list_logins
1038		1402
1039	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1041		1405
1042	=cut	1406	=cut
1043		1407
1044	sub list_logins {	1408	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1410	or return [];
1047		1411
1048	my @logins;	1412	my @logins;
1049		1413
1050	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1067	=cut	1431	=cut
1068		1432
1069	sub maps($) {	1433	sub maps($) {
1070	my ($pl) = @_;	1434	my ($pl) = @_;
1071		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
1072	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1073	or return;	1439	or return;
1074		1440
1075	my @paths;	1441	my @paths;
1076		1442
1077	for (@$files) {	1443	for (@$files) {
1078	utf8::decode $_;	1444	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1081		1447
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1448	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1449	}
1084		1450
1085	\@paths	1451	\@paths
1086	}	1452	}
1087		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1089		1505
1090	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1091		1507
1092	=cut	1508	=cut
1093		1509
1094	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1096		1512
1097	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1514	}
1101		1515
1102	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1103		1556
1104	=back	1557	=back
1105
1106		1558
1107	=head3 cf::map	1559	=head3 cf::map
1108		1560
1109	=over 4	1561	=over 4
1110		1562
…		…
1114		1566
1115	use Fcntl;	1567	use Fcntl;
1116	use Coro::AIO;	1568	use Coro::AIO;
1117		1569
1118	use overload	1570	use overload
1119	'""' => \&as_string;	1571	'""' => \&as_string,
		1572	fallback => 1;
1120		1573
1121	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1123		1576
1124	sub generate_random_map {	1577	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1580	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1592	)
1141	}	1593	}
1142		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
1143	sub register {	1603	sub register {
1144	my (undef, $regex) = @_;	1604	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1605	my $pkg = caller;
1146		1606
1147	no strict;	1607	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1608	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1609
1150	$EXT_MAP{$pkg} = qr<$regex>;	1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1611	}
1152		1612
1153	# also paths starting with '/'	1613	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
1155		1625
1156	sub normalise {	1626	sub normalise {
1157	my ($path, $base) = @_;	1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
1158		1632
1159	# map plan:	1633	# map plan:
1160	#	1634	#
1161	# /! non-realised random map exit (special hack!)	1635	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1636	# {... are special paths that are not being touched
…		…
1190		1664
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1666
1193	$path = normalise $path, $base;	1667	$path = normalise $path, $base;
1194		1668
1195	for my $pkg (keys %EXT_MAP) {	1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1671	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1672	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1200	return $self;	1674	return $self;
1201	}	1675	}
1202	}	1676	}
1203		1677
1204	Carp::carp "unable to resolve path '$path'.";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1679	()
1206	}	1680	}
1207		1681
1208	sub init {	1682	sub init {
1209	my ($self) = @_;	1683	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1694	# the displayed name, this is a one way mapping
1221	sub visible_name {	1695	sub visible_name {
1222	&as_string	1696	&as_string
1223	}	1697	}
1224		1698
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1699	# the original (read-only) location
1233	sub load_path {	1700	sub load_path {
1234	my ($self) = @_;	1701	my ($self) = @_;
1235		1702
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1237	}	1704	}
1238		1705
1239	# the temporary/swap location	1706	# the temporary/swap location
1240	sub save_path {	1707	sub save_path {
1241	my ($self) = @_;	1708	my ($self) = @_;
1242		1709
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
1244	}	1712	}
1245		1713
1246	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1247	sub uniq_path {	1715	sub uniq_path {
1248	my ($self) = @_;	1716	my ($self) = @_;
1249		1717
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1251	}	1720	}
1252		1721
1253	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1254	# all maps in C++...	1723	# all maps in C++...
1255	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1257		1726
1258	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1260	}	1729	}
1261		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1262	sub unlink_save {	1739	sub unlink_save {
1263	my ($self) = @_;	1740	my ($self) = @_;
1264		1741
1265	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1745	}
1269		1746
1270	sub load_header_from($) {	1747	sub load_header_from($) {
1271	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1272		1749
1273	utf8::encode $path;	1750	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
1275	or return;	1752	# or return;
1276		1753
1277	$self->_load_header ($path)	1754	$self->_load_header ($path)
1278	or return;	1755	or return;
1279		1756
1280	$self->{load_path} = $path;	1757	$self->{load_path} = $path;
1281		1758
1282	1	1759	1
1283	}	1760	}
1284		1761
1285	sub load_orig {	1762	sub load_header_orig {
1286	my ($self) = @_;	1763	my ($self) = @_;
1287		1764
1288	$self->load_header_from ($self->load_path)	1765	$self->load_header_from ($self->load_path)
1289	}	1766	}
1290		1767
1291	sub load_temp {	1768	sub load_header_temp {
1292	my ($self) = @_;	1769	my ($self) = @_;
1293		1770
1294	$self->load_header_from ($self->save_path)	1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
1295	}	1791	}
1296		1792
1297	sub load_header {	1793	sub load_header {
1298	my ($self) = @_;	1794	my ($self) = @_;
1299		1795
1300	if ($self->load_temp) {	1796	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1797	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1798	} else {
1307	$self->load_orig	1799	$self->load_header_orig
1308	or return;	1800	or return;
1309		1801	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1802	}
		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
1315		1809
1316	1	1810	1
1317	}	1811	}
1318		1812
1319	sub find;	1813	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1333		1827
1334	$map->load_header	1828	$map->load_header
1335	or return;	1829	or return;
1336		1830
1337	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1834	$map->reset;
1339	undef $guard;	1835	undef $guard;
1340	$map = find $path	1836	return find $path;
1341	or return;
1342	}	1837	}
1343		1838
1344	$cf::MAP{$path} = $map	1839	$cf::MAP{$path} = $map
1345	}	1840	}
1346	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1347		1845
1348	sub load {	1846	sub load {
1349	my ($self) = @_;	1847	my ($self) = @_;
1350		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1351	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1352	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1353		1856
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1858
1356	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1357		1860
1358	$self->alloc;	1861	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)
1360	or return;
1361		1862
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1863	$self->pre_load;
1363	if delete $self->{load_original};
1364
1365	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);
1370	}
1371	}
1372
1373	Coro::cede;
1374
1375	# now do the right thing for maps
1376	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;	1864	Coro::cede;
1383	$self->set_darkness_map;	1865
		1866	$self->_load_objects ($self->{load_path}, 1)
		1867	or return;
		1868
		1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1870	if delete $self->{load_original};
		1871
		1872	if (my $uniq = $self->uniq_path) {
		1873	utf8::encode $uniq;
		1874	if (aio_open $uniq, O_RDONLY, 0) {
		1875	$self->clear_unique_items;
		1876	$self->_load_objects ($uniq, 0);
		1877	}
		1878	}
		1879
		1880	Coro::cede;
		1881	# now do the right thing for maps
		1882	$self->link_multipart_objects;
1384	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1884	unless $self->difficulty;
1386	Coro::cede;	1885	Coro::cede;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	Coro::cede;
		1892	$self->set_darkness_map;
		1893	Coro::cede;
1387	$self->activate;	1894	$self->activate;
1388	}	1895	}
1389		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
		1901	}
		1902
		1903	$self->post_load;
1391	}	1904	}
1392		1905
1393	sub customise_for {	1906	sub customise_for {
1394	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1395		1908
1396	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1910	if $self->per_player;
1398		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1399	$self	1915	$self
1400	}	1916	}
1401		1917
1402	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1919	sub load_neighbours {
1404	my ($map) = @_;	1920	my ($map) = @_;
1405		1921
1406	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1407		1923
1408	for (0 .. 3) {	1924	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1410	or next;	1926	or next;
1411	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1412	or next;	1928	or next;
1413	$neigh->load;	1929	$neigh->load;
1414		1930
		1931	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	1934	}
1418		1935
1419	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1421	or next;	1939	or next;
1422	$neigh->load;	1940	$neigh->load;
1423	}	1941	}
1424	}	1942	}
1425		1943
…		…
1430	}	1948	}
1431		1949
1432	sub do_load_sync {	1950	sub do_load_sync {
1433	my ($map) = @_;	1951	my ($map) = @_;
1434		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1435	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1436	}	1957	}
1437		1958
1438	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1960	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		1961
1452	sub find_async {	1962	sub find_async {
1453	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1454		1964
1455	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1456		1966
1457	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1969	}
		1970
		1971	$MAP_PREFETCH{$path} |= $load;
		1972
		1973	$MAP_PREFETCHER ||= cf::async {
		1974	while (%MAP_PREFETCH) {
		1975	while (my ($k, $v) = each %MAP_PREFETCH) {
		1976	if (my $map = find $k) {
		1977	$map->load if $v;
		1978	}
		1979
		1980	delete $MAP_PREFETCH{$k};
		1981	}
		1982	}
		1983	undef $MAP_PREFETCHER;
1459	}	1984	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	1985	$MAP_PREFETCHER->prio (6);
1463		1986
1464	()	1987	()
1465	}	1988	}
1466		1989
1467	sub save {	1990	sub save {
1468	my ($self) = @_;	1991	my ($self) = @_;
1469		1992
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1994
1472	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1473		1996
1474	return unless $self->dirty;	1997	return unless $self->dirty;
1475		1998
…		…
1498	my ($self) = @_;	2021	my ($self) = @_;
1499		2022
1500	# save first because save cedes	2023	# save first because save cedes
1501	$self->save;	2024	$self->save;
1502		2025
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2027
1505	return if $self->players;	2028	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2030	return if $self->{deny_save};
1508		2031
…		…
1512		2035
1513	sub reset_at {	2036	sub reset_at {
1514	my ($self) = @_;	2037	my ($self) = @_;
1515		2038
1516	# TODO: safety, remove and allow resettable per-player maps	2039	# 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};	2040	return 1e99 if $self->{deny_reset};
1519		2041
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2044
…		…
1527	my ($self) = @_;	2049	my ($self) = @_;
1528		2050
1529	$self->reset_at <= $cf::RUNTIME	2051	$self->reset_at <= $cf::RUNTIME
1530	}	2052	}
1531		2053
1532	sub rename {
1533	my ($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	$self->save;
1544	}
1545
1546	sub reset {	2054	sub reset {
1547	my ($self) = @_;	2055	my ($self) = @_;
1548		2056
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2058
1551	return if $self->players;	2059	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2060
1554	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
		2062
		2063	$self->in_memory (cf::MAP_SWAPPED);
		2064
		2065	# need to save uniques path
		2066	unless ($self->{deny_save}) {
		2067	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2068
		2069	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2070	if $uniq;
		2071	}
1555		2072
1556	delete $cf::MAP{$self->path};	2073	delete $cf::MAP{$self->path};
		2074
		2075	$self->clear;
1557		2076
1558	$_->clear_links_to ($self) for values %cf::MAP;	2077	$_->clear_links_to ($self) for values %cf::MAP;
1559		2078
1560	$self->unlink_save;	2079	$self->unlink_save;
1561	$self->destroy;	2080	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	2083	my $nuke_counter = "aaaa";
1565		2084
1566	sub nuke {	2085	sub nuke {
1567	my ($self) = @_;	2086	my ($self) = @_;
1568		2087
		2088	delete $cf::MAP{$self->path};
		2089
		2090	$self->unlink_save;
		2091
		2092	bless $self, "cf::map";
		2093	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2094	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2095	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2097
		2098	$cf::MAP{$self->path} = $self;
		2099
1572	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
		2101	}
		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
1573	}	2137	}
1574		2138
1575	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1576		2140
1577	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2142	instantiated unique items. May block.
1579		2143
1580	=cut	2144	=cut
1581		2145
1582	sub unique_maps() {	2146	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1584	or return;	2148	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2149	utf8::decode $_;
1590	next if /\.pst$/;	2150	/\.map$/
1591	next unless /^$PATH_SEP/o;	2151	? normalise $_
1592		2152	: ()
1593	push @paths, $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2154	]
1595
1596	\@paths
1597	}	2155	}
1598		2156
1599	package cf;	2157	package cf;
1600		2158
1601	=back	2159	=back
…		…
1647		2205
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2207
1650	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1652	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1655	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1656	}	2233	}
1657		2234
1658	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1659		2236
1660	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2269	=cut
1693		2270
1694	sub link_map {	2271	sub link_map {
1695	unless ($LINK_MAP) {	2272	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2273	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2274	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2275	$LINK_MAP->load;
1699	}	2276	}
1700		2277
1701	$LINK_MAP	2278	$LINK_MAP
1702	}	2279	}
…		…
1707	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1708		2285
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2287
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1713		2290
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2292	}
1716		2293
1717	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1719		2298
1720	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1721		2300
1722	unless ($map) {	2301	unless ($map) {
1723	# restore original map position	2302	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1740		2319
1741	$map->load;	2320	$map->load;
1742	$map->load_diag;	2321	$map->load_neighbours;
1743		2322
1744	return unless $self->contr->active;	2323	return unless $self->contr->active;
1745	$self->activate_recursive;	2324	$self->activate_recursive;
		2325
		2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1747	}	2328	}
1748		2329
1749	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2331
1753	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1757	};	2336	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2337
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	2338	=cut
		2339
		2340	our $GOTOGEN;
1784		2341
1785	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2347
1788	$self->enter_link;	2348	$self->enter_link;
1789		2349
1790	(async {	2350	(async {
		2351	my $map = eval {
1791	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
1793		2356	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2357	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
1798		2360
		2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
		2367	}
		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1800	})->prio (1);	2375	})->prio (1);
1801	}	2376	}
1802		2377
1803	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1804		2379
…		…
1806		2381
1807	sub parse_random_map_params {	2382	sub parse_random_map_params {
1808	my ($spec) = @_;	2383	my ($spec) = @_;
1809		2384
1810	my $rmp = { # defaults	2385	my $rmp = { # defaults
1811	xsize => 10,	2386	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2387	ysize => (cf::rndm 15, 40),
		2388	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2389	#layout => string,
1813	};	2390	};
1814		2391
1815	for (split /\n/, $spec) {	2392	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2393	my ($k, $v) = split /\s+/, $_, 2;
1817		2394
…		…
1821	$rmp	2398	$rmp
1822	}	2399	}
1823		2400
1824	sub prepare_random_map {	2401	sub prepare_random_map {
1825	my ($exit) = @_;	2402	my ($exit) = @_;
		2403
		2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2405
1827	# all this does is basically replace the /! path by	2406	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2407	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2408	# that depends on the exit object
1830		2409
1831	my $rmp = parse_random_map_params $exit->msg;	2410	my $rmp = parse_random_map_params $exit->msg;
1832		2411
1833	if ($exit->map) {	2412	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2413	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2414	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2415	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2416	$rmp->{origin_y} = $exit->y;
1838	}	2417	}
1839		2418
1840	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1841		2420
1842	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
		2423	my $meta = "$RANDOMDIR/$md5.meta";
1844		2424
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
		2427	undef $fh;
		2428	aio_rename "$meta~", $meta;
1847		2429
1848	$exit->slaying ("?random/$md5");	2430	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2431	$exit->msg (undef);
1850	}	2432	}
1851	}	2433	}
…		…
1853	sub cf::object::player::enter_exit {	2435	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2436	my ($self, $exit) = @_;
1855		2437
1856	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1857		2439
		2440	if ($exit->slaying eq "/!") {
		2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
		2444	cf::sync_job { prepare_random_map $exit };
		2445	}
		2446
		2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2448	my $hp = $exit->stats->hp;
		2449	my $sp = $exit->stats->sp;
		2450
1858	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1859		2456
1860	(async {	2457	(async {
1861	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2459	unless (eval {
1863	prepare_random_map $exit	2460	$self->goto ($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		2461
1869	1;	2462	1;
1870	}) {	2463	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2466	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2468
1876	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2470	$self->leave_link;
1878	}	2471	}
1879	})->prio (1);	2472	})->prio (1);
…		…
1892		2485
1893	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1895		2488
1896	utf8::encode $text;	2489	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2491	}
1899		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
1900		2589
1901	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
1902		2591
1903	Queues a query to the client, calling the given callback with	2592	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>,	2593	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>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2595
1907	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2597	become reliable at some point in the future.
1909		2598
1910	=cut	2599	=cut
1911		2600
1912	sub cf::client::query {	2601	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2610	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2612
1924	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
1926	}	2617	}
1927		2618
1928	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
1929	on_reply => sub {	2625	on_reply => sub {
1930	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
1931		2627
1932	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
1933	# get handled first	2629	# get handled first
1934	my $queue = delete $ns->{query_queue}	2630	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2631	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2632
1937	(shift @$queue)->[1]->($msg);	2633	(shift @$queue)->[1]->($msg);
		2634	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2635
1939	push @{ $ns->{query_queue} }, @$queue;	2636	push @{ $ns->{query_queue} }, @$queue;
1940		2637
1941	if (@{ $ns->{query_queue} } == @$queue) {	2638	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2639	if (@$queue) {
…		…
1944	} else {	2641	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2643	}
1947	}	2644	}
1948	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
1949	);	2672	);
1950		2673
1951	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
1952		2675
1953	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
1996		2719
1997	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
1998		2721
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2000		2727
2001	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2002		2729
2003	=pod	2730	=pod
2004		2731
2005	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2006		2733
2007	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2008	cf::object::player player	2738	cf::object::player
2009	cf::player peaceful	2739	player
2010	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2011		2746
2012	=cut	2747	=cut
2013		2748
2014	for (	2749	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2016	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2019	) {	2756	) {
2020	no strict 'refs';	2757	no strict 'refs';
…		…
2091	=back	2828	=back
2092		2829
2093	=cut	2830	=cut
2094		2831
2095	#############################################################################	2832	#############################################################################
		2833	# the server's init and main functions
2096		2834
2097	=head2 EXTENSION DATABASE SUPPORT	2835	sub load_facedata($) {
		2836	my ($path) = @_;
2098		2837
2099	Crossfire maintains a very simple database for extension use. It can	2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2100	currently store anything that can be serialised using Storable, which
2101	excludes objects.
2102		2839
2103	The parameter C<$family> should best start with the name of the extension	2840	warn "loading facedata from $path\n";
2104	using it, it should be unique.
2105		2841
2106	=over 4	2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
2107		2845
2108	=item $hashref = cf::db_get $family	2846	$facedata = Coro::Storable::thaw $facedata;
2109		2847
2110	Return a hashref for use by the extension C<$family>, which can be	2848	$facedata->{version} == 2
2111	modified. After modifications, you have to call C<cf::db_dirty> or	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2112	C<cf::db_sync>.
2113		2850
2114	=item $value = cf::db_get $family => $key	2851	# patch in the exptable
2115		2852	$facedata->{resource}{"res/exp_table"} = {
2116	Returns a single value from the database	2853	type => FT_RSRC,
2117		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2118	=item cf::db_put $family => $hashref
2119
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	});	2855	};
		2856	cf::cede_to_tick;
2169		2857
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	2858	{
		2859	my $faces = $facedata->{faceinfo};
2174		2860
2175	sub db_get($;$) {	2861	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	2863	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	2864	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		2867
2181	sub db_put($$;$) {	2868	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	},	2869	}
2195	);
2196	}
2197		2870
2198	#############################################################################	2871	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
2200		2881
2201	sub cfg_load {	2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3005	or return;
2204		3006
2205	local $/;	3007	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2207		3009
…		…
2221		3023
2222	sub main {	3024	sub main {
2223	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3028	(async {
2226	async { Event::one_event };	3029	Event::one_event;
		3030	})->prio (Coro::PRIO_MAX);
2227	};	3031	};
2228		3032
2229	cfg_load;	3033	reload_config;
2230	db_load;	3034	db_init;
2231	load_extensions;	3035	load_extensions;
		3036
		3037	$TICK_WATCHER->start;
2232	Event::loop;	3038	Event::loop;
2233	}	3039	}
2234		3040
2235	#############################################################################	3041	#############################################################################
2236	# initialisation and cleanup	3042	# initialisation and cleanup
2237		3043
2238	# install some emergency cleanup handlers	3044	# install some emergency cleanup handlers
2239	BEGIN {	3045	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3046	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3047	Event->signal (
		3048	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3049	data => WF_AUTOCANCEL,
2243	signal => $signal,	3050	signal => $signal,
		3051	prio => 0,
2244	cb => sub {	3052	cb => sub {
2245	cf::cleanup "SIG$signal";	3053	cf::cleanup "SIG$signal";
2246	},	3054	},
2247	);	3055	);
2248	}	3056	}
2249	}	3057	}
2250		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2251	sub emergency_save() {	3097	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2253		3099
2254	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2255		3101
2256	cf::sync_job {	3102	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3103	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3104	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3105	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3106	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3107	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3108	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3109	$pl->valid or next;
2264	$pl->save;	3110	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3116	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3117	$map->valid or next;
2272	$map->save;	3118	$map->save;
2273	}	3119	}
2274	warn "end emergency map save\n";	3120	warn "end emergency map save\n";
		3121
		3122	warn "begin emergency database checkpoint\n";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124	warn "end emergency database checkpoint\n";
2275	};	3125	};
2276		3126
2277	warn "leave emergency perl save\n";	3127	warn "leave emergency perl save\n";
2278	}	3128	}
2279		3129
		3130	sub post_cleanup {
		3131	my ($make_core) = @_;
		3132
		3133	warn Carp::longmess "post_cleanup backtrace"
		3134	if $make_core;
		3135	}
		3136
2280	sub reload() {	3137	sub do_reload_perl() {
2281	# can/must only be called in main	3138	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3140	warn "can only reload from main coroutine";
2284	return;	3141	return;
2285	}	3142	}
2286		3143
2287	warn "reloading...";	3144	warn "reloading...";
2288		3145
2289	warn "freezing server";	3146	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2292		3152
2293	warn "sync database to disk";	3153	warn "syncing database to disk";
2294	cf::db_sync;	3154	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3155
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3156	# if anything goes wrong in here, we should simply crash as we already saved
2299		3157
2300	warn "cancel all watchers";	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3161	}
2304		3162
		3163	warn "flushing outstanding aio requests";
		3164	for (;;) {
		3165	BDB::flush;
		3166	IO::AIO::flush;
		3167	Coro::cede;
		3168	last unless IO::AIO::nreqs || BDB::nreqs;
		3169	warn "iterate...";
		3170	}
		3171
		3172	++$RELOAD;
		3173
2305	warn "cancel all extension coros";	3174	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3176	%EXT_CORO = ();
2308		3177
2309	warn "remove commands";	3178	warn "removing commands";
2310	%COMMAND = ();	3179	%COMMAND = ();
2311		3180
2312	warn "remove ext commands";	3181	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2314		3184
2315	warn "unload/nuke all extensions";	3185	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2318		3188
2319	if (my $cb = $pkg->can ("unload")) {	3189	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3190	eval {
…		…
2325		3195
2326	warn "... nuking $pkg";	3196	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3197	Symbol::delete_package $pkg;
2328	}	3198	}
2329		3199
2330	warn "unload all perl modules loaded from $LIBDIR";	3200	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3201	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3203
2334	warn "removing <$k>";	3204	warn "... unloading $k";
2335	delete $INC{$k};	3205	delete $INC{$k};
2336		3206
2337	$k =~ s/\.pm$//;	3207	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3208	$k =~ s/\//::/g;
2339		3209
…		…
2342	}	3212	}
2343		3213
2344	Symbol::delete_package $k;	3214	Symbol::delete_package $k;
2345	}	3215	}
2346		3216
2347	warn "get rid of safe::, as good as possible";	3217	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3220
2351	warn "unload cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2353		3224
2354	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3226	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2357		3228
		3229	warn "unload completed, starting to reload now";
		3230
2358	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2359	require cf;	3232	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3234
2362	warn "load config and database again";	3235	warn "loading config and database again";
2363	cf::cfg_load;	3236	cf::reload_config;
2364	cf::db_load;
2365		3237
2366	warn "load extensions";	3238	warn "loading extensions";
2367	cf::load_extensions;	3239	cf::load_extensions;
2368		3240
2369	warn "reattach attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3242	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3243	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
2373	};	3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2374		3247
2375	if ($@) {	3248	warn "leaving sync_job";
		3249
		3250	1
		3251	} or do {
2376	warn $@;	3252	warn $@;
2377	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2378	exit 1;	3254	exit 1;
2379	}	3255	};
2380		3256
2381	warn "reloaded";	3257	warn "reloaded";
2382	};	3258	};
2383		3259
		3260	our $RELOAD_WATCHER; # used only during reload
		3261
		3262	sub reload_perl() {
		3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
		3265
		3266	$RELOAD_WATCHER ||= Event->timer (
		3267	reentrant => 0,
		3268	after => 0,
		3269	data => WF_AUTOCANCEL,
		3270	cb => sub {
		3271	do_reload_perl;
		3272	undef $RELOAD_WATCHER;
		3273	},
		3274	);
		3275	}
		3276
2384	register_command "reload" => sub {	3277	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2386		3279
2387	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3281	$who->message ("reloading server.");
		3282	async { reload_perl };
2391	}	3283	}
2392	};	3284	};
2393		3285
2394	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2395		3287
		3288	my $bug_warning = 0;
		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3314	reentrant => 0,
		3315	parked => 1,
2398	prio => 0,	3316	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3318	data => WF_AUTOCANCEL,
2401	cb => sub {	3319	cb => sub {
		3320	if ($Coro::current != $Coro::main) {
		3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3322	unless ++$bug_warning > 10;
		3323	return;
		3324	}
		3325
2402	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2403		3327
2404	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2405	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2407		3355
2408	$WAIT_FOR_TICK->broadcast;	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3358	Coro::async_pool {
		3359	write_runtime
		3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
		3362	}
		3363
		3364	# my $AFTER = Event::time;
		3365	# warn $AFTER - $NOW;#d#
		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
2410		3375
2411	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3378
2414	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2416	},	3388	},
2417	);	3389	);
2418		3390
		3391	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3392	BDB::max_poll_time $TICK * 0.1;
2420		3393	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3394	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3395	fd => BDB::poll_fileno,
2423	poll => 'r',	3396	poll => 'r',
2424	prio => 5,	3397	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3398	data => WF_AUTOCANCEL,
2431	after => 0,	3399	cb => \&BDB::poll_cb,
2432	interval => 10,	3400	);
2433	cb => sub {	3401	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3402
2435	write_runtime	3403	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3404	my $status;
		3405	my $current = $Coro::current;
		3406	(
		3407	sub {
		3408	$status = $!;
		3409	$current->ready; undef $current;
		3410	},
		3411	sub {
		3412	Coro::schedule while defined $current;
		3413	$! = $status;
		3414	},
		3415	)
		3416	};
		3417
		3418	unless ($DB_ENV) {
		3419	$DB_ENV = BDB::db_env_create;
		3420
		3421	cf::sync_job {
		3422	eval {
		3423	BDB::db_env_open
		3424	$DB_ENV,
		3425	$BDBDIR,
		3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3428	0666;
		3429
		3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3431
		3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3433	$DB_ENV->set_lk_detect;
		3434	};
		3435
		3436	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3437	};
2438	},	3438	}
2439	);	3439	}
		3440
		3441	{
		3442	IO::AIO::min_parallel 8;
		3443
		3444	undef $Coro::AIO::WATCHER;
		3445	IO::AIO::max_poll_time $TICK * 0.1;
		3446	$AIO_POLL_WATCHER = Event->io (
		3447	reentrant => 0,
		3448	data => WF_AUTOCANCEL,
		3449	fd => IO::AIO::poll_fileno,
		3450	poll => 'r',
		3451	prio => 6,
		3452	cb => \&IO::AIO::poll_cb,
		3453	);
		3454	}
		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2440		3496
2441	END { cf::emergency_save }	3497	END { cf::emergency_save }
2442		3498
2443	1	3499	1
2444		3500

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