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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.343 by root, Mon Aug 27 01:13:48 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 1.4 ();
		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	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	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
98	every server tick.	133	every server tick.
99		134
100	=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
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	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.
112		161
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	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
121	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
122	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.
123	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.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		204
148	# 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
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$Event::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$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;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
225	returned.	275	returned.
226		276
227	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
228	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
229		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
230	=cut	284	=cut
231		285
232	our %LOCK;	286	our %LOCK;
233		287
234	sub lock_wait($) {	288	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
255	}	309	}
256	}	310	}
257		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
258	sub freeze_mainloop {	318	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
260		320
261	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
262	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
263	$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;
264	}	382	}
265		383
266	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
267		385
268	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		391
274	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
275		393
276	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
277		395
278	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)
279	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
280	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.
281		400
282	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
283	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
284	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
285	fast or be very important.	404	fast or be very important.
…		…
288		407
289	sub sync_job(&) {	408	sub sync_job(&) {
290	my ($job) = @_;	409	my ($job) = @_;
291		410
292	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
293	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
295		416
296	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
308		429
309	while ($busy) {	430	while ($busy) {
310	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
311	}	432	}
312		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
313	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
314	} else {	442	} else {
315	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
316		444
317	$job->()	445	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
337		465
338	$coro	466	$coro
339	}	467	}
340		468
341	sub write_runtime {	469	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		470
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
345	or return;	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 $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		477
351	aio_fsync $fh	478	sub fork_call(&@) {
352	and return;	479	my ($cb, @args) = @_;
353		480
354	close $fh	481	# we seemingly have to make a local copy of the whole thing,
355	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
356		484
357	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
358	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
359		489
		490	wantarray ? @res : $res[-1]
		491	}
		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	};
360	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 });
361	}	618	}
362		619
363	=back	620	=back
364		621
365	=cut	622	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		623
543	#############################################################################	624	#############################################################################
544		625
545	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
546		627
…		…
548	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")
549	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
550		631
551	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>
552	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
553	crossfire+).	634	Crossfire TRT).
554		635
555	=over 4	636	=over 4
556		637
557	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
558		639
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	754	our @CB_MAP = ();
674		755
675	my %attachment;	756	my %attachment;
676		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
677	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
679		766
680	use sort 'stable';	767	use sort 'stable';
681		768
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
716		803
717	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		808
722	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	810	my $pkg = shift @arg;
724		811
725	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
755	}	842	}
756		843
757	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
758	} else {	845	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	847	}
761		848
762	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
763	}	850	}
764		851
…		…
766	if (ref $_[0]) {	853	if (ref $_[0]) {
767	_object_attach @_;	854	_object_attach @_;
768	} else {	855	} else {
769	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
770	}	857	}
		858	_recalc_want;
771	};	859	};
772		860
773	# all those should be optimised	861	# all those should be optimised
774	sub cf::attachable::detach {	862	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
779	reattach ($obj);	867	reattach ($obj);
780	} else {	868	} else {
781	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
782	}	870	}
		871	_recalc_want;
783	};	872	};
784		873
785	sub cf::attachable::attached {	874	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
787		876
…		…
802	";	891	";
803	die if $@;	892	die if $@;
804	}	893	}
805		894
806	our $override;	895	our $override;
807	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?
808		897
809	sub override {	898	sub override {
810	$override = 1;	899	$override = 1;
811	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
812	}	901	}
813		902
814	sub do_invoke {	903	sub do_invoke {
815	my $event = shift;	904	my $event = shift;
816	my $callbacks = shift;	905	my $callbacks = shift;
817		906
818	@invoke_results = ();	907	@INVOKE_RESULTS = ();
819		908
820	local $override;	909	local $override;
821		910
822	for (@$callbacks) {	911	for (@$callbacks) {
823	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
840		929
841	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
842		931
843	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
844	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
845	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		935
847	=back	936	=back
848		937
849	=cut	938	=cut
850		939
851	#############################################################################	940	#############################################################################
852	# 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	}
853		953
854	sub reattach {	954	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		959
858	my $registry = $obj->registry;	960	my $registry = $obj->registry;
859		961
860	@$registry = ();	962	@$registry = ();
861		963
…		…
908	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
909		1011
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	1016	close $fh;
915		1017
916	if (@$objs) {	1018	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	1024	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
924	}	1026	}
925	} else {	1027	} else {
926	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
958	or return;	1060	or return;
959	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
960	}	1062	}
961		1063
962	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
964	return ($data, $av);	1066	return ($data, $av);
965	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
966		1074
967	#############################################################################	1075	#############################################################################
968	# command handling &c	1076	# command handling &c
969		1077
970	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1092	}
985		1093
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1095
988	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.
989		1101
990	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
991	called.	1103	called.
992		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
993	=cut	1116	=cut
994		1117
995	sub register_extcmd {	1118	sub register_extcmd {
996	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
997		1120
998	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
999	}	1128	}
1000		1129
1001	cf::player->attach (	1130	cf::player->attach (
1002	on_command => sub {	1131	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
1012	cf::override;	1141	cf::override;
1013	},	1142	},
1014	on_extcmd => sub {	1143	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
1016		1145
1017	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1147
1019	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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
1025	} else {	1163	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1165	}
1028		1166
1029	cf::override;	1167	cf::override;
1030	},	1168	},
1031	);	1169	);
1032		1170
1033	sub load_extension {
1034	my ($path) = @_;
1035
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1037	my $base = $1;
1038	my $pkg = $1;
1039	$pkg =~ s/[^[:word:]]/_/g;
1040	$pkg = "ext::$pkg";
1041
1042	warn "... loading '$path' into '$pkg'\n";
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}
1059
1060	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
1061	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1176	next unless -r $path;
1063	eval {	1177
1064	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;
1065	1	1235	}
1066	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
1067	}	1241	};
1068	}	1242	}
1069		1243
1070	#############################################################################	1244	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1245
1073	*cf::mapsupport::on_clean = sub {	1246	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1247
1086	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
1087		1249
1088	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
1089		1251
…		…
1102	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
1103		1265
1104	=cut	1266	=cut
1105		1267
1106	sub playerdir($) {	1268	sub playerdir($) {
1107	cf::localdir	1269	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1271	}
1113		1272
1114	sub path($) {	1273	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1275
1117	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
1118	}	1277	}
1119		1278
1120	sub find_active($) {	1279	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
1125		1284
1126	sub exists($) {	1285	sub exists($) {
1127	my ($login) = @_;	1286	my ($login) = @_;
1128		1287
1129	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
1131	}	1290	}
1132		1291
1133	sub find($) {	1292	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1294	my $login = $_[0];
1136		1295
1137	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
1138		1297
1139	$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
1140	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
1141	or return;	1307	or return;
1142	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
1143	}	1309	}
1144	}	1310	}
…		…
1172	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1173		1339
1174	$self	1340	$self
1175	}	1341	}
1176		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
1177	=item $pl->quit_character	1353	=item $pl->quit_character
1178		1354
1179	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
1180	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1181		1357
1182	=cut	1358	=cut
1183		1359
1184	sub quit_character {	1360	sub quit_character {
1185	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1186		1364
1187	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1188	$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
1189		1367
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1399	}
1202		1400
1203	=item cf::player::list_logins	1401	=item cf::player::list_logins
1204		1402
1205	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
1206	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1207		1405
1208	=cut	1406	=cut
1209		1407
1210	sub list_logins {	1408	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1410	or return [];
1213		1411
1214	my @logins;	1412	my @logins;
1215		1413
1216	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1225	\@logins	1423	\@logins
1226	}	1424	}
1227		1425
1228	=item $player->maps	1426	=item $player->maps
1229		1427
1230	Returns an arrayref of cf::path's of all maps that are private for this	1428	Returns an arrayref of map paths that are private for this
1231	player. May block.	1429	player. May block.
1232		1430
1233	=cut	1431	=cut
1234		1432
1235	sub maps($) {	1433	sub maps($) {
1236	my ($pl) = @_;	1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1437
1238	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1239	or return;	1439	or return;
1240		1440
1241	my @paths;	1441	my @paths;
…		…
1243	for (@$files) {	1443	for (@$files) {
1244	utf8::decode $_;	1444	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1247		1447
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1448	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1449	}
1250		1450
1251	\@paths	1451	\@paths
1252	}	1452	}
1253		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
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1255		1505
1256	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1257		1507
1258	=cut	1508	=cut
1259		1509
1260	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1262		1512
1263	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1514	}
1267		1515
1268	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		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	}
1269		1556
1270	=back	1557	=back
1271
1272		1558
1273	=head3 cf::map	1559	=head3 cf::map
1274		1560
1275	=over 4	1561	=over 4
1276		1562
…		…
1279	package cf::map;	1565	package cf::map;
1280		1566
1281	use Fcntl;	1567	use Fcntl;
1282	use Coro::AIO;	1568	use Coro::AIO;
1283		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1284	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1286		1576
1287	sub generate_random_map {	1577	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1580	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1592	)
1305	}	1593	}
1306		1594
		1595	=item cf::map->register ($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
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		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	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
		1720	}
		1721
1307	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1308	# all maps in C++...	1723	# all maps in C++...
1309	sub change_all_map_light {	1724	sub change_all_map_light {
1310	my ($change) = @_;	1725	my ($change) = @_;
1311		1726
1312	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1314	}	1729	}
1315		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1316	sub load_map_header($) {	1747	sub load_header_from($) {
1317	my ($path) = @_;	1748	my ($self, $path) = @_;
1318		1749
1319	utf8::encode $path;	1750	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1321	or return;	1755	or return;
1322		1756
1323	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		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	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1324	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1325		1803
1326	# for better error messages only, will be overwritten later	1804	$self->{deny_reset} = 1
1327	$map->path ($path);	1805	if $self->no_reset;
1328		1806
1329	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1808	unless $self->default_region;
1331		1809
1332	$map->{load_path} = $path;	1810	1
1333
1334	$map
1335	}	1811	}
1336		1812
1337	sub find;	1813	sub find;
1338	sub find {	1814	sub find {
1339	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1340		1816
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1818
1346	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1347		1820
1348	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1350		1823	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1824	or return;
1365		1825
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1378		1827
1379	Coro::cede;	1828	$map->load_header
		1829	or return;
1380		1830
1381	if ($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;
1382	$map->reset;	1834	$map->reset;
1383	undef $guard;	1835	undef $guard;
1384	$map = find $path	1836	return find $path;
1385	or return;
1386	}	1837	}
1387		1838
1388	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1389	}	1840	}
1390	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1391		1845
1392	sub load {	1846	sub load {
1393	my ($self) = @_;	1847	my ($self) = @_;
1394		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1395	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1854	my $guard = cf::lock_acquire "map_load:$path";
1397		1855
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1857
1400	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1401		1859
1402	$self->alloc;	1860	$self->alloc;
		1861
		1862	$self->pre_load;
		1863	Coro::cede;
		1864
1403	$self->load_objects ($self->{load_path}, 1)	1865	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1866	or return;
1405		1867
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1869	if delete $self->{load_original};
1408		1870
1409	if (my $uniq = $path->uniq_path) {	1871	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1872	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1873	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1874	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1875	$self->_load_objects ($uniq, 0);
1414	}	1876	}
1415	}	1877	}
1416		1878
1417	Coro::cede;	1879	Coro::cede;
1418
1419	# now do the right thing for maps	1880	# now do the right thing for maps
1420	$self->link_multipart_objects;	1881	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1883	unless $self->difficulty;
		1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1432	$self->activate;	1893	$self->activate;
1433	}	1894	}
1434		1895
1435	Coro::cede;	1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
1436		1898
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
		1903	}
		1904
		1905	sub customise_for {
		1906	my ($self, $ob) = @_;
		1907
		1908	return find "~" . $ob->name . "/" . $self->{path}
		1909	if $self->per_player;
		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
		1914	$self
1438	}	1915	}
1439		1916
1440	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1918	sub load_neighbours {
1442	my ($map) = @_;	1919	my ($map) = @_;
1443		1920
1444	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1445		1922
1446	for (0 .. 3) {	1923	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1448	or next;	1925	or next;
1449	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1450	or next;	1927	or next;
1451	$neigh->load;	1928	$neigh->load;
1452		1929
		1930	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	1933	}
1456		1934
1457	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1459	or next;	1938	or next;
1460	$neigh->load;	1939	$neigh->load;
1461	}	1940	}
1462	}	1941	}
1463		1942
…		…
1468	}	1947	}
1469		1948
1470	sub do_load_sync {	1949	sub do_load_sync {
1471	my ($map) = @_;	1950	my ($map) = @_;
1472		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1473	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1474	}	1956	}
1475		1957
1476	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
		1959	our $MAP_PREFETCHER = undef;
		1960
		1961	sub find_async {
		1962	my ($path, $origin, $load) = @_;
		1963
		1964	$path = normalise $path, $origin && $origin->{path};
		1965
		1966	if (my $map = $cf::MAP{$path}) {
		1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	$MAP_PREFETCH{$path} |= $load;
		1971
1477	our $MAP_PREFETCHER = Coro::async {	1972	$MAP_PREFETCHER ||= cf::async {
1478	while () {
1479	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	1975	if (my $map = find $k) {
		1976	$map->load if $v;
		1977	}
		1978
1482	my $path = delete $MAP_PREFETCH{$key};	1979	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	1980	}
1488	Coro::schedule;	1981	}
		1982	undef $MAP_PREFETCHER;
1489	}	1983	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	1984	$MAP_PREFETCHER->prio (6);
1504		1985
1505	()	1986	()
1506	}	1987	}
1507		1988
1508	sub save {	1989	sub save {
…		…
1512		1993
1513	$self->{last_save} = $cf::RUNTIME;	1994	$self->{last_save} = $cf::RUNTIME;
1514		1995
1515	return unless $self->dirty;	1996	return unless $self->dirty;
1516		1997
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1998	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1999	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		2000
1520	$self->{load_path} = $save;	2001	$self->{load_path} = $save;
1521		2002
1522	return if $self->{deny_save};	2003	return if $self->{deny_save};
1523		2004
…		…
1526	cf::async {	2007	cf::async {
1527	$_->contr->save for $self->players;	2008	$_->contr->save for $self->players;
1528	};	2009	};
1529		2010
1530	if ($uniq) {	2011	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2014	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2016	}
1536	}	2017	}
1537		2018
1538	sub swap_out {	2019	sub swap_out {
1539	my ($self) = @_;	2020	my ($self) = @_;
…		…
1553		2034
1554	sub reset_at {	2035	sub reset_at {
1555	my ($self) = @_;	2036	my ($self) = @_;
1556		2037
1557	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1560		2040
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2043
…		…
1568	my ($self) = @_;	2048	my ($self) = @_;
1569		2049
1570	$self->reset_at <= $cf::RUNTIME	2050	$self->reset_at <= $cf::RUNTIME
1571	}	2051	}
1572		2052
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2053	sub reset {
1587	my ($self) = @_;	2054	my ($self) = @_;
1588		2055
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2057
1591	return if $self->players;	2058	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2059
1594	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1595		2071
1596	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
1597		2073
		2074	$self->clear;
		2075
1598	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1599		2077
1600	$self->{path}->unlink_save;	2078	$self->unlink_save;
1601	$self->destroy;	2079	$self->destroy;
1602	}	2080	}
1603		2081
1604	my $nuke_counter = "aaaa";	2082	my $nuke_counter = "aaaa";
1605		2083
1606	sub nuke {	2084	sub nuke {
1607	my ($self) = @_;	2085	my ($self) = @_;
1608		2086
		2087	delete $cf::MAP{$self->path};
		2088
		2089	$self->unlink_save;
		2090
		2091	bless $self, "cf::map";
		2092	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2093	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2094	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2096
		2097	$cf::MAP{$self->path} = $self;
		2098
1612	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1613	}	2100	}
1614		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1615	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1616		2139
1617	Returns an arrayref of cf::path's of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2141	instantiated unique items. May block.
1619		2142
1620	=cut	2143	=cut
1621		2144
1622	sub unique_maps() {	2145	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1624	or return;	2147	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2148	utf8::decode $_;
1630	next if /\.pst$/;	2149	/\.map$/
1631	next unless /^$PATH_SEP/o;	2150	? normalise $_
1632		2151	: ()
1633	push @paths, new cf::path $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2153	]
1635
1636	\@paths
1637	}	2154	}
1638		2155
1639	package cf;	2156	package cf;
1640		2157
1641	=back	2158	=back
…		…
1687		2204
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2206
1690	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1692	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1695	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1696	}	2232	}
1697		2233
1698	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1699		2235
1700	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1713		2249
1714	=item $player_object->enter_link	2250	=item $player_object->enter_link
1715		2251
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2252	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2253
1718	The player should be reaosnably safe there for short amounts of time. You	2254	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	2255	I<MUST> call C<leave_link> as soon as possible, though.
1720		2256
		2257	Will never block.
		2258
1721	=item $player_object->leave_link ($map, $x, $y)	2259	=item $player_object->leave_link ($map, $x, $y)
1722		2260
1723	Moves the player out of the specila link map onto the given map. If the	2261	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2262	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2263	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2264	fails, to the emergency map position.
1727		2265
1728	Might block.	2266	Might block.
1729		2267
1730	=cut	2268	=cut
		2269
		2270	sub link_map {
		2271	unless ($LINK_MAP) {
		2272	$LINK_MAP = cf::map::find "{link}"
		2273	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2274	$LINK_MAP->load;
		2275	}
		2276
		2277	$LINK_MAP
		2278	}
1731		2279
1732	sub cf::object::player::enter_link {	2280	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2281	my ($self) = @_;
1734		2282
1735	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1736		2284
1737	return if $self->map == $LINK_MAP;	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2286
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1741		2289
1742	$self->enter_map ($LINK_MAP, 20, 20);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2291	}
1744		2292
1745	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1747		2297
1748	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1749		2299
1750	unless ($map) {	2300	unless ($map) {
1751	# restore original map position	2301	# restore original map position
…		…
1765	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1768		2318
1769	$map->load;	2319	$map->load;
1770	$map->load_diag;	2320	$map->load_neighbours;
1771		2321
1772	return unless $self->contr->active;	2322	return unless $self->contr->active;
1773	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1775	}	2327	}
1776		2328
1777	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2330
1781	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1785	};	2335	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2336
1791	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1812		2340
1813	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2343
1816	$path = new cf::path $path;	2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2346
1818	$self->enter_link;	2347	$self->enter_link;
1819		2348
1820	(async {	2349	(async {
		2350	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2351	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2352
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2353	if ($map) {
1826		2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
1828		2359
		2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
		2366	}
		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1830	})->prio (1);	2374	})->prio (1);
1831	}	2375	}
1832		2376
1833	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1834		2378
…		…
1836		2380
1837	sub parse_random_map_params {	2381	sub parse_random_map_params {
1838	my ($spec) = @_;	2382	my ($spec) = @_;
1839		2383
1840	my $rmp = { # defaults	2384	my $rmp = { # defaults
1841	xsize => 10,	2385	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2386	ysize => (cf::rndm 15, 40),
		2387	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2388	#layout => string,
1843	};	2389	};
1844		2390
1845	for (split /\n/, $spec) {	2391	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2392	my ($k, $v) = split /\s+/, $_, 2;
1847		2393
…		…
1851	$rmp	2397	$rmp
1852	}	2398	}
1853		2399
1854	sub prepare_random_map {	2400	sub prepare_random_map {
1855	my ($exit) = @_;	2401	my ($exit) = @_;
		2402
		2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2404
1857	# all this does is basically replace the /! path by	2405	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2406	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2407	# that depends on the exit object
1860		2408
1861	my $rmp = parse_random_map_params $exit->msg;	2409	my $rmp = parse_random_map_params $exit->msg;
1862		2410
1863	if ($exit->map) {	2411	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2412	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2413	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2414	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2415	$rmp->{origin_y} = $exit->y;
1868	}	2416	}
1869		2417
1870	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1871		2419
1872	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
		2422	my $meta = "$RANDOMDIR/$md5.meta";
1874		2423
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
		2426	undef $fh;
		2427	aio_rename "$meta~", $meta;
1877		2428
1878	$exit->slaying ("?random/$md5");	2429	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2430	$exit->msg (undef);
1880	}	2431	}
1881	}	2432	}
…		…
1883	sub cf::object::player::enter_exit {	2434	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2435	my ($self, $exit) = @_;
1885		2436
1886	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1887		2438
		2439	if ($exit->slaying eq "/!") {
		2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
		2443	cf::sync_job { prepare_random_map $exit };
		2444	}
		2445
		2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2447	my $hp = $exit->stats->hp;
		2448	my $sp = $exit->stats->sp;
		2449
1888	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1889		2455
1890	(async {	2456	(async {
1891	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2458	unless (eval {
1893	prepare_random_map $exit	2459	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2460
1899	1;	2461	1;
1900	}) {	2462	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2467
1906	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2469	$self->leave_link;
1908	}	2470	}
1909	})->prio (1);	2471	})->prio (1);
…		…
1922		2484
1923	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1925		2487
1926	utf8::encode $text;	2488	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2490	}
1929		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	if ($self->extcmd == 2) {
		2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2565	} elsif ($self->extcmd == 1) { # TODO: remove
		2566	push @msg, msgtype => "event_$type";
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2568	}
		2569	}
		2570
		2571	=item $client->ext_reply ($msgid, @msg)
		2572
		2573	Sends an ext reply to the client.
		2574
		2575	=cut
		2576
		2577	sub cf::client::ext_reply($$@) {
		2578	my ($self, $id, @msg) = @_;
		2579
		2580	if ($self->extcmd == 2) {
		2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2582	} elsif ($self->extcmd == 1) {
		2583	#TODO: version 1, remove
		2584	unshift @msg, msgtype => "reply", msgid => $id;
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2586	}
		2587	}
1930		2588
1931	=item $success = $client->query ($flags, "text", \&cb)	2589	=item $success = $client->query ($flags, "text", \&cb)
1932		2590
1933	Queues a query to the client, calling the given callback with	2591	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2592	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2593	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2594
1937	Queries can fail, so check the return code. Or don't, as queries will become	2595	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	2596	become reliable at some point in the future.
1939		2597
1940	=cut	2598	=cut
1941		2599
1942	sub cf::client::query {	2600	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2601	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2609	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2610	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2611
1954	$self->send_packet ($self->{query_queue}[0][0])	2612	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2613	if @{ $self->{query_queue} } == 1;
		2614
		2615	1
1956	}	2616	}
1957		2617
1958	cf::client->attach (	2618	cf::client->attach (
		2619	on_connect => sub {
		2620	my ($ns) = @_;
		2621
		2622	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2623	},
1959	on_reply => sub {	2624	on_reply => sub {
1960	my ($ns, $msg) = @_;	2625	my ($ns, $msg) = @_;
1961		2626
1962	# this weird shuffling is so that direct followup queries	2627	# this weird shuffling is so that direct followup queries
1963	# get handled first	2628	# get handled first
1964	my $queue = delete $ns->{query_queue}	2629	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2630	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2631
1967	(shift @$queue)->[1]->($msg);	2632	(shift @$queue)->[1]->($msg);
		2633	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2634
1969	push @{ $ns->{query_queue} }, @$queue;	2635	push @{ $ns->{query_queue} }, @$queue;
1970		2636
1971	if (@{ $ns->{query_queue} } == @$queue) {	2637	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2638	if (@$queue) {
…		…
1974	} else {	2640	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2641	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2642	}
1977	}	2643	}
1978	},	2644	},
		2645	on_exticmd => sub {
		2646	my ($ns, $buf) = @_;
		2647
		2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2649
		2650	if (ref $msg) {
		2651	my ($type, $reply, @payload) =
		2652	"ARRAY" eq ref $msg
		2653	? @$msg
		2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2655
		2656	my @reply;
		2657
		2658	if (my $cb = $EXTICMD{$type}) {
		2659	@reply = $cb->($ns, @payload);
		2660	}
		2661
		2662	$ns->ext_reply ($reply, @reply)
		2663	if $reply;
		2664
		2665	} else {
		2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2667	}
		2668
		2669	cf::override;
		2670	},
1979	);	2671	);
1980		2672
1981	=item $client->async (\&cb)	2673	=item $client->async (\&cb)
1982		2674
1983	Create a new coroutine, running the specified callback. The coroutine will	2675	Create a new coroutine, running the specified callback. The coroutine will
…		…
2024	our $safe = new Safe "safe";	2716	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	2717	our $safe_hole = new Safe::Hole;
2026		2718
2027	$SIG{FPE} = 'IGNORE';	2719	$SIG{FPE} = 'IGNORE';
2028		2720
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2721	$safe->permit_only (Opcode::opset qw(
		2722	:base_core :base_mem :base_orig :base_math
		2723	grepstart grepwhile mapstart mapwhile
		2724	sort time
		2725	));
2030		2726
2031	# here we export the classes and methods available to script code	2727	# here we export the classes and methods available to script code
2032		2728
2033	=pod	2729	=pod
2034		2730
2035	The following fucntions and emthods are available within a safe environment:	2731	The following functions and methods are available within a safe environment:
2036		2732
2037	cf::object contr pay_amount pay_player map	2733	cf::object
		2734	contr pay_amount pay_player map x y force_find force_add
		2735	insert remove name archname title slaying race decrease_ob_nr
		2736
2038	cf::object::player player	2737	cf::object::player
2039	cf::player peaceful	2738	player
2040	cf::map trigger	2739
		2740	cf::player
		2741	peaceful
		2742
		2743	cf::map
		2744	trigger
2041		2745
2042	=cut	2746	=cut
2043		2747
2044	for (	2748	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2750	insert remove inv name archname title slaying race
		2751	decrease_ob_nr)],
2046	["cf::object::player" => qw(player)],	2752	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	2753	["cf::player" => qw(peaceful)],
2048	["cf::map" => qw(trigger)],	2754	["cf::map" => qw(trigger)],
2049	) {	2755	) {
2050	no strict 'refs';	2756	no strict 'refs';
…		…
2121	=back	2827	=back
2122		2828
2123	=cut	2829	=cut
2124		2830
2125	#############################################################################	2831	#############################################################################
		2832	# the server's init and main functions
2126		2833
2127	=head2 EXTENSION DATABASE SUPPORT	2834	sub load_facedata($) {
		2835	my ($path) = @_;
2128		2836
2129	Crossfire maintains a very simple database for extension use. It can	2837	my $enc = JSON::XS->new->utf8->canonical;
2130	currently store anything that can be serialised using Storable, which
2131	excludes objects.
2132		2838
2133	The parameter C<$family> should best start with the name of the extension	2839	warn "loading facedata from $path\n";
2134	using it, it should be unique.
2135		2840
2136	=over 4	2841	my $facedata;
		2842	0 < aio_load $path, $facedata
		2843	or die "$path: $!";
2137		2844
2138	=item $hashref = cf::db_get $family	2845	$facedata = Coro::Storable::thaw $facedata;
2139		2846
2140	Return a hashref for use by the extension C<$family>, which can be	2847	$facedata->{version} == 2
2141	modified. After modifications, you have to call C<cf::db_dirty> or	2848	or cf::cleanup "$path: version mismatch, cannot proceed.";
2142	C<cf::db_sync>.
2143		2849
2144	=item $value = cf::db_get $family => $key	2850	# patch in the exptable
2145		2851	$facedata->{resource}{"res/exp_table"} = {
2146	Returns a single value from the database	2852	type => FT_RSRC,
2147		2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2854	};
		2855	cf::cede_to_tick;
2199		2856
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	2857	{
		2858	my $faces = $facedata->{faceinfo};
2204		2859
2205	sub db_get($;$) {	2860	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}	2862	cf::face::set_visibility $idx, $info->{visibility};
2208	: ($DB->{$_[0]} ||= { })	2863	cf::face::set_magicmap $idx, $info->{magicmap};
2209	}	2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		2866
2211	sub db_put($$;$) {	2867	cf::cede_to_tick;
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2868	}
2225	);
2226	}
2227		2869
2228	#############################################################################	2870	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	2871	next unless $info->{smooth};
		2872	my $idx = cf::face::find $face
		2873	or next;
		2874	if (my $smooth = cf::face::find $info->{smooth}) {
		2875	cf::face::set_smooth $idx, $smooth;
		2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2877	} else {
		2878	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2879	}
		2880
		2881	cf::cede_to_tick;
		2882	}
		2883	}
		2884
		2885	{
		2886	my $anims = $facedata->{animinfo};
		2887
		2888	while (my ($anim, $info) = each %$anims) {
		2889	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2890	cf::cede_to_tick;
		2891	}
		2892
		2893	cf::anim::invalidate_all; # d'oh
		2894	}
		2895
		2896	{
		2897	# TODO: for gcfclient pleasure, we should give resources
		2898	# that gcfclient doesn't grok a >10000 face index.
		2899	my $res = $facedata->{resource};
		2900
		2901	my $soundconf = delete $res->{"res/sound.conf"};
		2902
		2903	while (my ($name, $info) = each %$res) {
		2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2905	my $data;
		2906
		2907	if ($info->{type} & 1) {
		2908	# prepend meta info
		2909
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	$data = pack "(w/a*)*", $meta, $info->{data};
		2916	} else {
		2917	$data = $info->{data};
		2918	}
		2919
		2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2921	cf::face::set_type $idx, $info->{type};
		2922
		2923	cf::cede_to_tick;
		2924	}
		2925
		2926	if ($soundconf) {
		2927	$soundconf = $enc->decode (delete $soundconf->{data});
		2928
		2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2930	my $sound = $soundconf->{compat}[$_]
		2931	or next;
		2932
		2933	my $face = cf::face::find "sound/$sound->[1]";
		2934	cf::sound::set $sound->[0] => $face;
		2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2936	}
		2937
		2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2939	my $face = cf::face::find "sound/$v";
		2940	cf::sound::set $k => $face;
		2941	}
		2942	}
		2943	}
		2944
		2945	1
		2946	}
		2947
		2948	register_exticmd fx_want => sub {
		2949	my ($ns, $want) = @_;
		2950
		2951	while (my ($k, $v) = each %$want) {
		2952	$ns->fx_want ($k, $v);
		2953	}
		2954	};
		2955
		2956	sub reload_regions {
		2957	load_resource_file "$MAPDIR/regions"
		2958	or die "unable to load regions file\n";
		2959
		2960	for (cf::region::list) {
		2961	$_->{match} = qr/$_->{match}/
		2962	if exists $_->{match};
		2963	}
		2964	}
		2965
		2966	sub reload_facedata {
		2967	load_facedata "$DATADIR/facedata"
		2968	or die "unable to load facedata\n";
		2969	}
		2970
		2971	sub reload_archetypes {
		2972	load_resource_file "$DATADIR/archetypes"
		2973	or die "unable to load archetypes\n";
		2974	#d# NEED to laod twice to resolve forward references
		2975	# this really needs to be done in an extra post-pass
		2976	# (which needs to be synchronous, so solve it differently)
		2977	load_resource_file "$DATADIR/archetypes"
		2978	or die "unable to load archetypes\n";
		2979	}
		2980
		2981	sub reload_treasures {
		2982	load_resource_file "$DATADIR/treasures"
		2983	or die "unable to load treasurelists\n";
		2984	}
		2985
		2986	sub reload_resources {
		2987	warn "reloading resource files...\n";
		2988
		2989	reload_regions;
		2990	reload_facedata;
		2991	#reload_archetypes;#d#
		2992	reload_archetypes;
		2993	reload_treasures;
		2994
		2995	warn "finished reloading resource files\n";
		2996	}
		2997
		2998	sub init {
		2999	reload_resources;
		3000	}
2230		3001
2231	sub cfg_load {	3002	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3003	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3004	or return;
2234		3005
2235	local $/;	3006	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3007	*CFG = YAML::Syck::Load <$fh>;
2237		3008
…		…
2251		3022
2252	sub main {	3023	sub main {
2253	# we must not ever block the main coroutine	3024	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3025	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3027	(async {
2256	async { Event::one_event };	3028	Event::one_event;
		3029	})->prio (Coro::PRIO_MAX);
2257	};	3030	};
2258		3031
2259	cfg_load;	3032	cfg_load;
2260	db_load;	3033	db_init;
2261	load_extensions;	3034	load_extensions;
		3035
		3036	$TICK_WATCHER->start;
2262	Event::loop;	3037	Event::loop;
2263	}	3038	}
2264		3039
2265	#############################################################################	3040	#############################################################################
2266	# initialisation and cleanup	3041	# initialisation and cleanup
2267		3042
2268	# install some emergency cleanup handlers	3043	# install some emergency cleanup handlers
2269	BEGIN {	3044	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	3045	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3046	Event->signal (
		3047	reentrant => 0,
2272	data => WF_AUTOCANCEL,	3048	data => WF_AUTOCANCEL,
2273	signal => $signal,	3049	signal => $signal,
		3050	prio => 0,
2274	cb => sub {	3051	cb => sub {
2275	cf::cleanup "SIG$signal";	3052	cf::cleanup "SIG$signal";
2276	},	3053	},
2277	);	3054	);
2278	}	3055	}
2279	}	3056	}
2280		3057
		3058	sub write_runtime {
		3059	my $runtime = "$LOCALDIR/runtime";
		3060
		3061	# first touch the runtime file to show we are still running:
		3062	# the fsync below can take a very very long time.
		3063
		3064	IO::AIO::aio_utime $runtime, undef, undef;
		3065
		3066	my $guard = cf::lock_acquire "write_runtime";
		3067
		3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3069	or return;
		3070
		3071	my $value = $cf::RUNTIME + 90 + 10;
		3072	# 10 is the runtime save interval, for a monotonic clock
		3073	# 60 allows for the watchdog to kill the server.
		3074
		3075	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3076	and return;
		3077
		3078	# always fsync - this file is important
		3079	aio_fsync $fh
		3080	and return;
		3081
		3082	# touch it again to show we are up-to-date
		3083	aio_utime $fh, undef, undef;
		3084
		3085	close $fh
		3086	or return;
		3087
		3088	aio_rename "$runtime~", $runtime
		3089	and return;
		3090
		3091	warn "runtime file written.\n";
		3092
		3093	1
		3094	}
		3095
2281	sub emergency_save() {	3096	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3097	my $freeze_guard = cf::freeze_mainloop;
2283		3098
2284	warn "enter emergency perl save\n";	3099	warn "enter emergency perl save\n";
2285		3100
2286	cf::sync_job {	3101	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	3102	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3103	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3104	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3105	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	3106	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3107	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3108	$pl->valid or next;
2294	$pl->save;	3109	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	3115	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3116	$map->valid or next;
2302	$map->save;	3117	$map->save;
2303	}	3118	}
2304	warn "end emergency map save\n";	3119	warn "end emergency map save\n";
		3120
		3121	warn "begin emergency database checkpoint\n";
		3122	BDB::db_env_txn_checkpoint $DB_ENV;
		3123	warn "end emergency database checkpoint\n";
2305	};	3124	};
2306		3125
2307	warn "leave emergency perl save\n";	3126	warn "leave emergency perl save\n";
2308	}	3127	}
2309		3128
		3129	sub post_cleanup {
		3130	my ($make_core) = @_;
		3131
		3132	warn Carp::longmess "post_cleanup backtrace"
		3133	if $make_core;
		3134	}
		3135
2310	sub reload() {	3136	sub do_reload_perl() {
2311	# can/must only be called in main	3137	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3138	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3139	warn "can only reload from main coroutine";
2314	return;	3140	return;
2315	}	3141	}
2316		3142
2317	warn "reloading...";	3143	warn "reloading...";
2318		3144
2319	warn "freezing server";	3145	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3146
		3147	cf::sync_job {
		3148	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3149	cf::emergency_save;
		3150	cf::write_runtime; # external watchdog should not bark
2322		3151
2323	warn "sync database to disk";	3152	warn "syncing database to disk";
2324	cf::db_sync;	3153	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3154
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	3155	# if anything goes wrong in here, we should simply crash as we already saved
2329		3156
2330	warn "cancel all watchers";	3157	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	3158	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3159	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	3160	}
2334		3161
		3162	warn "flushing outstanding aio requests";
		3163	for (;;) {
		3164	BDB::flush;
		3165	IO::AIO::flush;
		3166	Coro::cede;
		3167	last unless IO::AIO::nreqs || BDB::nreqs;
		3168	warn "iterate...";
		3169	}
		3170
		3171	++$RELOAD;
		3172
2335	warn "cancel all extension coros";	3173	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	3174	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3175	%EXT_CORO = ();
2338		3176
2339	warn "remove commands";	3177	warn "removing commands";
2340	%COMMAND = ();	3178	%COMMAND = ();
2341		3179
2342	warn "remove ext commands";	3180	warn "removing ext/exti commands";
2343	%EXTCMD = ();	3181	%EXTCMD = ();
		3182	%EXTICMD = ();
2344		3183
2345	warn "unload/nuke all extensions";	3184	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3185	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3186	warn "... unloading $pkg";
2348		3187
2349	if (my $cb = $pkg->can ("unload")) {	3188	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3189	eval {
…		…
2355		3194
2356	warn "... nuking $pkg";	3195	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	3196	Symbol::delete_package $pkg;
2358	}	3197	}
2359		3198
2360	warn "unload all perl modules loaded from $LIBDIR";	3199	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3200	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3201	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		3202
2364	warn "removing <$k>";	3203	warn "... unloading $k";
2365	delete $INC{$k};	3204	delete $INC{$k};
2366		3205
2367	$k =~ s/\.pm$//;	3206	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	3207	$k =~ s/\//::/g;
2369		3208
…		…
2372	}	3211	}
2373		3212
2374	Symbol::delete_package $k;	3213	Symbol::delete_package $k;
2375	}	3214	}
2376		3215
2377	warn "get rid of safe::, as good as possible";	3216	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3217	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3219
2381	warn "unload cf.pm \"a bit\"";	3220	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3221	delete $INC{"cf.pm"};
		3222	delete $INC{"cf/pod.pm"};
2383		3223
2384	# don't, removes xs symbols, too,	3224	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3225	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3226	#Symbol::delete_package __PACKAGE__;
2387		3227
		3228	warn "unload completed, starting to reload now";
		3229
2388	warn "reloading cf.pm";	3230	warn "reloading cf.pm";
2389	require cf;	3231	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		3233
2392	warn "load config and database again";	3234	warn "loading config and database again";
2393	cf::cfg_load;	3235	cf::cfg_load;
2394	cf::db_load;
2395		3236
2396	warn "load extensions";	3237	warn "loading extensions";
2397	cf::load_extensions;	3238	cf::load_extensions;
2398		3239
2399	warn "reattach attachments to objects/players";	3240	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3241	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3242	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3243	reattach $_ for values %MAP;
2403	};	3244	warn "reattaching attachments to players";
		3245	reattach $_ for values %PLAYER;
2404		3246
2405	if ($@) {	3247	warn "leaving sync_job";
		3248
		3249	1
		3250	} or do {
2406	warn $@;	3251	warn $@;
2407	warn "error while reloading, exiting.";	3252	warn "error while reloading, exiting.";
2408	exit 1;	3253	exit 1;
2409	}	3254	};
2410		3255
2411	warn "reloaded";	3256	warn "reloaded";
2412	};	3257	};
2413		3258
2414	#############################################################################	3259	our $RELOAD_WATCHER; # used only during reload
2415		3260
2416	unless ($LINK_MAP) {	3261	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	3262	# doing reload synchronously and two reloads happen back-to-back,
		3263	# coro crashes during coro_state_free->destroy here.
2418		3264
2419	$LINK_MAP->width (41);	3265	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	3266	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	3267	after => 0,
		3268	data => WF_AUTOCANCEL,
2429	cb => sub {	3269	cb => sub {
2430	$_[0]->w->cancel;	3270	do_reload_perl;
2431		3271	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	3272	},
2450		3273	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3274	}
2456		3275
2457	register_command "reload" => sub {	3276	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3277	my ($who, $arg) = @_;
2459		3278
2460	if ($who->flag (FLAG_WIZ)) {	3279	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3280	$who->message ("reloading server.");
		3281	async { reload_perl };
2464	}	3282	}
2465	};	3283	};
2466		3284
2467	unshift @INC, $LIBDIR;	3285	unshift @INC, $LIBDIR;
2468		3286
		3287	my $bug_warning = 0;
		3288
		3289	our @WAIT_FOR_TICK;
		3290	our @WAIT_FOR_TICK_BEGIN;
		3291
		3292	sub wait_for_tick {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	sub wait_for_tick_begin {
		3302	return unless $TICK_WATCHER->is_active;
		3303	return if $Coro::current == $Coro::main;
		3304
		3305	my $signal = new Coro::Signal;
		3306	push @WAIT_FOR_TICK_BEGIN, $signal;
		3307	$signal->wait;
		3308	}
		3309
		3310	my $min = 1e6;#d#
		3311	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	3312	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	3313	reentrant => 0,
		3314	parked => 1,
2471	prio => 0,	3315	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3316	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	3317	data => WF_AUTOCANCEL,
2474	cb => sub {	3318	cb => sub {
		3319	if ($Coro::current != $Coro::main) {
		3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3321	unless ++$bug_warning > 10;
		3322	return;
		3323	}
		3324
2475	$NOW = Event::time;	3325	$NOW = $tick_start = Event::time;
2476		3326
2477	cf::server_tick; # one server iteration	3327	cf::server_tick; # one server iteration
		3328
		3329	0 && sync_job {#d#
		3330	for(1..10) {
		3331	my $t = Event::time;
		3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3333	or die;
		3334
		3335	$map->width (50);
		3336	$map->height (50);
		3337	$map->alloc;
		3338	$map->_load_objects ("/tmp/x.map", 1);
		3339	my $t = Event::time - $t;
		3340
		3341	#next unless $t < 0.0013;#d#
		3342	if ($t < $min) {
		3343	$min = $t;
		3344	}
		3345	$avg = $avg * 0.99 + $t * 0.01;
		3346	}
		3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3348	exit 0;
		3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3350	};
		3351
2478	$RUNTIME += $TICK;	3352	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	3353	$NEXT_TICK += $TICK;
2480		3354
2481	$WAIT_FOR_TICK->broadcast;	3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3357	Coro::async_pool {
		3358	write_runtime
		3359	or warn "ERROR: unable to write runtime file: $!";
		3360	};
		3361	}
		3362
		3363	# my $AFTER = Event::time;
		3364	# warn $AFTER - $NOW;#d#
		3365
		3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3367	$sig->send;
		3368	}
		3369	while (my $sig = shift @WAIT_FOR_TICK) {
		3370	$sig->send;
		3371	}
		3372
		3373	$NOW = Event::time;
2483		3374
2484	# if we are delayed by four ticks or more, skip them all	3375	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		3377
2487	$TICK_WATCHER->at ($NEXT_TICK);	3378	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	3379	$TICK_WATCHER->start;
		3380
		3381	$LOAD = ($NOW - $tick_start) / $TICK;
		3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3383
		3384	_post_tick;
		3385
		3386
2489	},	3387	},
2490	);	3388	);
2491		3389
		3390	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	3391	BDB::max_poll_time $TICK * 0.1;
2493		3392	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	3393	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	3394	fd => BDB::poll_fileno,
2496	poll => 'r',	3395	poll => 'r',
2497	prio => 5,	3396	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3397	data => WF_AUTOCANCEL,
2504	after => 0,	3398	cb => \&BDB::poll_cb,
2505	interval => 10,	3399	);
2506	cb => sub {	3400	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3401
2508	write_runtime	3402	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3403	my $status;
		3404	my $current = $Coro::current;
		3405	(
		3406	sub {
		3407	$status = $!;
		3408	$current->ready; undef $current;
		3409	},
		3410	sub {
		3411	Coro::schedule while defined $current;
		3412	$! = $status;
		3413	},
		3414	)
		3415	};
		3416
		3417	unless ($DB_ENV) {
		3418	$DB_ENV = BDB::db_env_create;
		3419
		3420	cf::sync_job {
		3421	eval {
		3422	BDB::db_env_open
		3423	$DB_ENV,
		3424	$BDBDIR,
		3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3427	0666;
		3428
		3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3430
		3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3432	$DB_ENV->set_lk_detect;
		3433	};
		3434
		3435	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3436	};
2511	},	3437	}
2512	);	3438	}
		3439
		3440	{
		3441	IO::AIO::min_parallel 8;
		3442
		3443	undef $Coro::AIO::WATCHER;
		3444	IO::AIO::max_poll_time $TICK * 0.1;
		3445	$AIO_POLL_WATCHER = Event->io (
		3446	reentrant => 0,
		3447	data => WF_AUTOCANCEL,
		3448	fd => IO::AIO::poll_fileno,
		3449	poll => 'r',
		3450	prio => 6,
		3451	cb => \&IO::AIO::poll_cb,
		3452	);
		3453	}
		3454
		3455	my $_log_backtrace;
		3456
		3457	sub _log_backtrace {
		3458	my ($msg, @addr) = @_;
		3459
		3460	$msg =~ s/\n//;
		3461
		3462	# limit the # of concurrent backtraces
		3463	if ($_log_backtrace < 2) {
		3464	++$_log_backtrace;
		3465	async {
		3466	my @bt = fork_call {
		3467	@addr = map { sprintf "%x", $_ } @addr;
		3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3470	or die "addr2line: $!";
		3471
		3472	my @funcs;
		3473	my @res = <$fh>;
		3474	chomp for @res;
		3475	while (@res) {
		3476	my ($func, $line) = splice @res, 0, 2, ();
		3477	push @funcs, "[$func] $line";
		3478	}
		3479
		3480	@funcs
		3481	};
		3482
		3483	LOG llevInfo, "[ABT] $msg\n";
		3484	LOG llevInfo, "[ABT] $_\n" for @bt;
		3485	--$_log_backtrace;
		3486	};
		3487	} else {
		3488	LOG llevInfo, "[ABT] $msg\n";
		3489	LOG llevInfo, "[ABT] [suppressed]\n";
		3490	}
		3491	}
		3492
		3493	# load additional modules
		3494	use cf::pod;
2513		3495
2514	END { cf::emergency_save }	3496	END { cf::emergency_save }
2515		3497
2516	1	3498	1
2517		3499

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